From 749ae245c7715f9c14e1e70fbb1a82dd04b1c219 Mon Sep 17 00:00:00 2001 From: kjuulh Date: Fri, 27 Feb 2026 12:15:35 +0100 Subject: [PATCH] feat: add capnp Signed-off-by: kjuulh --- Cargo.lock | 1134 ++++++++++ Cargo.toml | 14 +- crates/sq-capnp-interface/Cargo.toml | 12 + crates/sq-capnp-interface/build.rs | 6 + .../schema/data_plane.capnp | 65 + crates/sq-capnp-interface/src/codec.rs | 185 ++ crates/sq-capnp-interface/src/lib.rs | 6 + crates/sq-cluster/src/lib.rs | 3 + crates/sq-cluster/src/membership.rs | 340 +++ crates/sq-cluster/src/recovery.rs | 74 + crates/sq-cluster/src/replication.rs | 242 +++ .../sq-grpc-interface/src/grpc/sq/v1/sq.v1.rs | 292 ++- .../src/grpc/sq/v1/sq.v1.tonic.rs | 1885 +++++++++++++++++ crates/sq-models/src/config.rs | 118 ++ crates/sq-models/src/lib.rs | 5 + crates/sq-models/src/message.rs | 195 ++ crates/sq-sdk/Cargo.toml | 7 + crates/sq-sdk/src/batch_producer.rs | 172 ++ crates/sq-sdk/src/capnp_batch_producer.rs | 169 ++ crates/sq-sdk/src/capnp_connection.rs | 46 + crates/sq-sdk/src/capnp_consumer.rs | 224 ++ crates/sq-sdk/src/capnp_producer.rs | 145 ++ crates/sq-sdk/src/connection.rs | 24 + crates/sq-sdk/src/consumer.rs | 154 ++ crates/sq-sdk/src/error.rs | 34 + crates/sq-sdk/src/lib.rs | 28 + crates/sq-sdk/src/producer.rs | 143 ++ crates/sq-sdk/src/types.rs | 37 + crates/sq-server/Cargo.toml | 17 + crates/sq-server/src/capnp/ack.rs | 50 + crates/sq-server/src/capnp/handler.rs | 54 + crates/sq-server/src/capnp/mod.rs | 58 + crates/sq-server/src/capnp/publish.rs | 138 ++ crates/sq-server/src/capnp/subscribe.rs | 113 + crates/sq-server/src/cli.rs | 129 ++ crates/sq-server/src/cli/serve.rs | 173 ++ crates/sq-server/src/grpc/cluster.rs | 170 ++ crates/sq-server/src/grpc/control_plane.rs | 146 ++ crates/sq-server/src/grpc/data_plane.rs | 334 +++ crates/sq-server/src/grpc/error.rs | 13 + crates/sq-server/src/grpc/health.rs | 23 + crates/sq-server/src/grpc/mod.rs | 79 + crates/sq-server/src/lib.rs | 10 + crates/sq-server/src/main.rs | 28 +- crates/sq-server/src/metrics.rs | 85 + crates/sq-server/src/otel.rs | 121 ++ crates/sq-server/src/pipeline.rs | 211 ++ crates/sq-server/src/servehttp.rs | 40 + crates/sq-server/src/shipper.rs | 101 + crates/sq-server/src/state.rs | 62 + crates/sq-server/src/sync_task.rs | 56 + crates/sq-server/tests/capnp_stress_test.rs | 462 ++++ crates/sq-server/tests/cluster_test.rs | 763 +++++++ crates/sq-server/tests/data_plane_test.rs | 496 +++++ crates/sq-server/tests/stress_test.rs | 965 +++++++++ crates/sq-sim/Cargo.toml | 3 + crates/sq-sim/src/clock.rs | 131 ++ crates/sq-sim/src/fs.rs | 666 ++++++ crates/sq-sim/src/lib.rs | 6 + crates/sq-sim/src/network.rs | 316 +++ crates/sq-sim/tests/scenarios/mod.rs | 1 + crates/sq-sim/tests/scenarios/single_node.rs | 268 +++ crates/sq-sim/tests/simulation.rs | 1 + crates/sq-storage/Cargo.toml | 10 + crates/sq-storage/benches/throughput.rs | 167 ++ crates/sq-storage/src/consumer_offsets.rs | 193 ++ crates/sq-storage/src/engine.rs | 634 ++++++ crates/sq-storage/src/index.rs | 256 +++ crates/sq-storage/src/lib.rs | 6 + crates/sq-storage/src/object_store/layout.rs | 93 + crates/sq-storage/src/object_store/mod.rs | 159 ++ crates/sq-storage/src/object_store/reader.rs | 209 ++ crates/sq-storage/src/object_store/s3.rs | 106 + crates/sq-storage/src/object_store/shipper.rs | 273 +++ crates/sq-storage/src/topic_metadata.rs | 225 ++ crates/sq-storage/src/wal/mod.rs | 5 + crates/sq-storage/src/wal/reader.rs | 281 +++ crates/sq-storage/src/wal/record.rs | 514 +++++ crates/sq-storage/src/wal/segment.rs | 174 ++ crates/sq-storage/src/wal/trimmer.rs | 130 ++ crates/sq-storage/src/wal/writer.rs | 547 +++++ examples/publish_subscribe/Cargo.toml | 10 + examples/publish_subscribe/src/main.rs | 92 + interface/proto/sq/v1/cluster.proto | 53 + interface/proto/sq/v1/control_plane.proto | 59 + interface/proto/sq/v1/data_plane.proto | 84 + scripts/grpc.sh | 45 + templates/docker-compose.yaml | 148 ++ templates/prometheus.yaml | 16 + templates/sq-server.Dockerfile | 40 + todos/SQ-001-domain-types.md | 2 +- todos/SQ-002-wal-record-encoding.md | 2 +- todos/SQ-003-simulation-io-traits.md | 2 +- todos/SQ-004-wal-segment-writer.md | 2 +- todos/SQ-005-wal-segment-reader.md | 2 +- todos/SQ-006-sparse-offset-index.md | 2 +- todos/SQ-007-storage-engine-facade.md | 2 +- todos/SQ-008-protobuf-api-definitions.md | 2 +- todos/SQ-009-server-skeleton.md | 2 +- todos/SQ-010-publish-endpoint.md | 2 +- todos/SQ-011-subscribe-endpoint.md | 2 +- todos/SQ-012-consumer-groups.md | 2 +- todos/SQ-013-topic-management.md | 2 +- todos/SQ-014-sdk-producer.md | 2 +- todos/SQ-015-sdk-consumer.md | 2 +- todos/SQ-016-object-store-shipping.md | 2 +- todos/SQ-017-wal-trimming.md | 2 +- todos/SQ-018-s3-read-fallback.md | 2 +- todos/SQ-019-virtual-network.md | 2 +- todos/SQ-020-cluster-membership.md | 2 +- todos/SQ-021-write-replication.md | 2 +- todos/SQ-022-simulation-tests.md | 2 +- todos/SQ-023-node-recovery.md | 2 +- todos/SQ-024-docker-compose-e2e.md | 2 +- todos/SQ-025-compression-performance.md | 2 +- 115 files changed, 16596 insertions(+), 31 deletions(-) create mode 100644 crates/sq-capnp-interface/Cargo.toml create mode 100644 crates/sq-capnp-interface/build.rs create mode 100644 crates/sq-capnp-interface/schema/data_plane.capnp create mode 100644 crates/sq-capnp-interface/src/codec.rs create mode 100644 crates/sq-capnp-interface/src/lib.rs create mode 100644 crates/sq-cluster/src/membership.rs create mode 100644 crates/sq-cluster/src/recovery.rs create mode 100644 crates/sq-cluster/src/replication.rs create mode 100644 crates/sq-grpc-interface/src/grpc/sq/v1/sq.v1.tonic.rs create mode 100644 crates/sq-models/src/config.rs create mode 100644 crates/sq-models/src/message.rs create mode 100644 crates/sq-sdk/src/batch_producer.rs create mode 100644 crates/sq-sdk/src/capnp_batch_producer.rs create mode 100644 crates/sq-sdk/src/capnp_connection.rs create mode 100644 crates/sq-sdk/src/capnp_consumer.rs create mode 100644 crates/sq-sdk/src/capnp_producer.rs create mode 100644 crates/sq-sdk/src/connection.rs create mode 100644 crates/sq-sdk/src/consumer.rs create mode 100644 crates/sq-sdk/src/error.rs create mode 100644 crates/sq-sdk/src/producer.rs create mode 100644 crates/sq-sdk/src/types.rs create mode 100644 crates/sq-server/src/capnp/ack.rs create mode 100644 crates/sq-server/src/capnp/handler.rs create mode 100644 crates/sq-server/src/capnp/mod.rs create mode 100644 crates/sq-server/src/capnp/publish.rs create mode 100644 crates/sq-server/src/capnp/subscribe.rs create mode 100644 crates/sq-server/src/cli.rs create mode 100644 crates/sq-server/src/cli/serve.rs create mode 100644 crates/sq-server/src/grpc/cluster.rs create mode 100644 crates/sq-server/src/grpc/control_plane.rs create mode 100644 crates/sq-server/src/grpc/data_plane.rs create mode 100644 crates/sq-server/src/grpc/error.rs create mode 100644 crates/sq-server/src/grpc/health.rs create mode 100644 crates/sq-server/src/grpc/mod.rs create mode 100644 crates/sq-server/src/lib.rs create mode 100644 crates/sq-server/src/metrics.rs create mode 100644 crates/sq-server/src/otel.rs create mode 100644 crates/sq-server/src/pipeline.rs create mode 100644 crates/sq-server/src/servehttp.rs create mode 100644 crates/sq-server/src/shipper.rs create mode 100644 crates/sq-server/src/state.rs create mode 100644 crates/sq-server/src/sync_task.rs create mode 100644 crates/sq-server/tests/capnp_stress_test.rs create mode 100644 crates/sq-server/tests/cluster_test.rs create mode 100644 crates/sq-server/tests/data_plane_test.rs create mode 100644 crates/sq-server/tests/stress_test.rs create mode 100644 crates/sq-sim/src/clock.rs create mode 100644 crates/sq-sim/src/fs.rs create mode 100644 crates/sq-sim/src/network.rs create mode 100644 crates/sq-sim/tests/scenarios/mod.rs create mode 100644 crates/sq-sim/tests/scenarios/single_node.rs create mode 100644 crates/sq-sim/tests/simulation.rs create mode 100644 crates/sq-storage/benches/throughput.rs create mode 100644 crates/sq-storage/src/consumer_offsets.rs create mode 100644 crates/sq-storage/src/engine.rs create mode 100644 crates/sq-storage/src/index.rs create mode 100644 crates/sq-storage/src/object_store/layout.rs create mode 100644 crates/sq-storage/src/object_store/mod.rs create mode 100644 crates/sq-storage/src/object_store/reader.rs create mode 100644 crates/sq-storage/src/object_store/s3.rs create mode 100644 crates/sq-storage/src/object_store/shipper.rs create mode 100644 crates/sq-storage/src/topic_metadata.rs create mode 100644 crates/sq-storage/src/wal/mod.rs create mode 100644 crates/sq-storage/src/wal/reader.rs create mode 100644 crates/sq-storage/src/wal/record.rs create mode 100644 crates/sq-storage/src/wal/segment.rs create mode 100644 crates/sq-storage/src/wal/trimmer.rs create mode 100644 crates/sq-storage/src/wal/writer.rs create mode 100644 examples/publish_subscribe/Cargo.toml create mode 100644 examples/publish_subscribe/src/main.rs create mode 100644 interface/proto/sq/v1/cluster.proto create mode 100644 interface/proto/sq/v1/control_plane.proto create mode 100644 interface/proto/sq/v1/data_plane.proto create mode 100755 scripts/grpc.sh create mode 100644 templates/docker-compose.yaml create mode 100644 templates/prometheus.yaml create mode 100644 templates/sq-server.Dockerfile diff --git a/Cargo.lock b/Cargo.lock index 0930923..ba68b19 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -17,6 +17,15 @@ dependencies = [ "memchr", ] +[[package]] +name = "android_system_properties" +version = "0.1.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311" +dependencies = [ + "libc", +] + [[package]] name = "anstream" version = "0.6.21" @@ -73,6 +82,28 @@ version = "1.0.102" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "7f202df86484c868dbad7eaa557ef785d5c66295e41b460ef922eca0723b842c" +[[package]] +name = "async-stream" +version = "0.3.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0b5a71a6f37880a80d1d7f19efd781e4b5de42c88f0722cc13bcb6cc2cfe8476" +dependencies = [ + "async-stream-impl", + "futures-core", + "pin-project-lite", +] + +[[package]] +name = "async-stream-impl" +version = "0.3.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c7c24de15d275a1ecfd47a380fb4d5ec9bfe0933f309ed5e705b775596a3574d" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] + [[package]] name = "async-trait" version = "0.1.89" @@ -90,6 +121,12 @@ version = "1.1.2" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0" +[[package]] +name = "autocfg" +version = "1.5.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8" + [[package]] name = "aws-lc-rs" version = "1.16.0" @@ -176,12 +213,45 @@ version = "2.11.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "843867be96c8daad0d758b57df9392b6d8d271134fce549de6ce169ff98a92af" +[[package]] +name = "block-buffer" +version = "0.10.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71" +dependencies = [ + "generic-array", +] + +[[package]] +name = "bumpalo" +version = "3.20.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5d20789868f4b01b2f2caec9f5c4e0213b41e3e5702a50157d699ae31ced2fcb" + [[package]] name = "bytes" version = "1.11.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "1e748733b7cbc798e1434b6ac524f0c1ff2ab456fe201501e6497c8417a4fc33" +[[package]] +name = "capnp" +version = "0.20.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "053b81915c2ce1629b8fb964f578b18cb39b23ef9d5b24120d0dfc959569a1d9" +dependencies = [ + "embedded-io", +] + +[[package]] +name = "capnpc" +version = "0.20.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1aa3d5f01e69ed11656d2c7c47bf34327ea9bfb5c85c7de787fcd7b6c5e45b61" +dependencies = [ + "capnp", +] + [[package]] name = "cc" version = "1.2.56" @@ -200,6 +270,24 @@ version = "1.0.4" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801" +[[package]] +name = "cfg_aliases" +version = "0.2.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "613afe47fcd5fac7ccf1db93babcb082c5994d996f20b8b159f2ad1658eb5724" + +[[package]] +name = "chrono" +version = "0.4.44" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c673075a2e0e5f4a1dde27ce9dee1ea4558c7ffe648f576438a20ca1d2acc4b0" +dependencies = [ + "iana-time-zone", + "num-traits", + "serde", + "windows-link", +] + [[package]] name = "clap" version = "4.5.60" @@ -255,6 +343,22 @@ version = "1.0.4" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "b05b61dc5112cbb17e4b6cd61790d9845d13888356391624cbe7e41efeac1e75" +[[package]] +name = "core-foundation" +version = "0.10.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b2a6cd9ae233e7f62ba4e9353e81a88df7fc8a5987b8d445b4d90c879bd156f6" +dependencies = [ + "core-foundation-sys", + "libc", +] + +[[package]] +name = "core-foundation-sys" +version = "0.8.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b" + [[package]] name = "crc32fast" version = "1.5.0" @@ -264,6 +368,37 @@ dependencies = [ "cfg-if", ] +[[package]] +name = "crypto-common" +version = "0.1.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "78c8292055d1c1df0cce5d180393dc8cce0abec0a7102adb6c7b1eef6016d60a" +dependencies = [ + "generic-array", + "typenum", +] + +[[package]] +name = "digest" +version = "0.10.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292" +dependencies = [ + "block-buffer", + "crypto-common", +] + +[[package]] +name = "displaydoc" +version = "0.2.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "97369cbbc041bc366949bc74d34658d6cda5621039731c6310521892a3a20ae0" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] + [[package]] name = "dotenvy" version = "0.15.7" @@ -296,6 +431,12 @@ version = "1.15.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719" +[[package]] +name = "embedded-io" +version = "0.6.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "edd0f118536f44f5ccd48bcb8b111bdc3de888b58c74639dfb034a357d0f206d" + [[package]] name = "equivalent" version = "1.0.2" @@ -312,6 +453,12 @@ dependencies = [ "windows-sys 0.61.2", ] +[[package]] +name = "fastrand" +version = "2.3.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "37909eebbb50d72f9059c3b6d82c0463f2ff062c9e95845c43a6c9c0355411be" + [[package]] name = "find-msvc-tools" version = "0.1.9" @@ -437,6 +584,16 @@ dependencies = [ "slab", ] +[[package]] +name = "generic-array" +version = "0.14.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a" +dependencies = [ + "typenum", + "version_check", +] + [[package]] name = "getrandom" version = "0.2.17" @@ -444,8 +601,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "ff2abc00be7fca6ebc474524697ae276ad847ad0a6b3faa4bcb027e9a4614ad0" dependencies = [ "cfg-if", + "js-sys", "libc", "wasi", + "wasm-bindgen", ] [[package]] @@ -455,9 +614,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "899def5c37c4fd7b2664648c28120ecec138e4d395b459e5ca34f9cce2dd77fd" dependencies = [ "cfg-if", + "js-sys", "libc", "r-efi", "wasip2", + "wasm-bindgen", ] [[package]] @@ -536,6 +697,12 @@ version = "1.0.3" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "df3b46402a9d5adb4c86a0cf463f42e19994e3ee891101b1841f30a545cb49a9" +[[package]] +name = "humantime" +version = "2.3.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "135b12329e5e3ce057a9f972339ea52bc954fe1e9358ef27f95e89716fbc5424" + [[package]] name = "hyper" version = "1.8.1" @@ -559,6 +726,23 @@ dependencies = [ "want", ] +[[package]] +name = "hyper-rustls" +version = "0.27.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e3c93eb611681b207e1fe55d5a71ecf91572ec8a6705cdb6857f7d8d5242cf58" +dependencies = [ + "http", + "hyper", + "hyper-util", + "rustls", + "rustls-native-certs", + "rustls-pki-types", + "tokio", + "tokio-rustls", + "tower-service", +] + [[package]] name = "hyper-timeout" version = "0.5.2" @@ -578,13 +762,16 @@ version = "0.1.20" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "96547c2556ec9d12fb1578c4eaf448b04993e7fb79cbaad930a656880a6bdfa0" dependencies = [ + "base64", "bytes", "futures-channel", "futures-util", "http", "http-body", "hyper", + "ipnet", "libc", + "percent-encoding", "pin-project-lite", "socket2", "tokio", @@ -592,6 +779,132 @@ dependencies = [ "tracing", ] +[[package]] +name = "iana-time-zone" +version = "0.1.65" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e31bc9ad994ba00e440a8aa5c9ef0ec67d5cb5e5cb0cc7f8b744a35b389cc470" +dependencies = [ + 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= "quote" version = "1.0.44" @@ -926,6 +1506,49 @@ version = "0.8.10" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "dc897dd8d9e8bd1ed8cdad82b5966c3e0ecae09fb1907d58efaa013543185d0a" +[[package]] +name = "reqwest" +version = "0.12.28" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "eddd3ca559203180a307f12d114c268abf583f59b03cb906fd0b3ff8646c1147" +dependencies = [ + "base64", + "bytes", + "futures-channel", + "futures-core", + "futures-util", + "h2", + "http", + "http-body", + "http-body-util", + "hyper", + "hyper-rustls", + "hyper-util", + "js-sys", + "log", + "percent-encoding", + "pin-project-lite", + "quinn", + "rustls", + "rustls-native-certs", + "rustls-pki-types", + "serde", + "serde_json", + "serde_urlencoded", + "sync_wrapper", + "tokio", + "tokio-rustls", + "tokio-util", + "tower", + "tower-http", + "tower-service", + "url", + "wasm-bindgen", + "wasm-bindgen-futures", + "wasm-streams", + "web-sys", +] + [[package]] name = "ring" version = "0.17.14" @@ -940,6 +1563,25 @@ dependencies = [ "windows-sys 0.52.0", ] +[[package]] +name = "rustc-hash" +version = "2.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "357703d41365b4b27c590e3ed91eabb1b663f07c4c084095e60cbed4362dff0d" + +[[package]] +name = "rustix" +version = "1.1.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b6fe4565b9518b83ef4f91bb47ce29620ca828bd32cb7e408f0062e9930ba190" +dependencies = [ + "bitflags", + "errno", + "libc", + "linux-raw-sys", + "windows-sys 0.61.2", +] + [[package]] name = "rustls" version = "0.23.37" @@ -949,18 +1591,32 @@ dependencies = [ "aws-lc-rs", "log", "once_cell", + "ring", "rustls-pki-types", "rustls-webpki", "subtle", "zeroize", ] +[[package]] +name = "rustls-native-certs" +version = "0.8.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "612460d5f7bea540c490b2b6395d8e34a953e52b491accd6c86c8164c5932a63" 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= [ + "winapi-util", +] + +[[package]] +name = "schannel" +version = "0.1.28" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "891d81b926048e76efe18581bf793546b4c0eaf8448d72be8de2bbee5fd166e1" +dependencies = [ + "windows-sys 0.61.2", +] + [[package]] name = "scopeguard" version = "1.2.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49" +[[package]] +name = "security-framework" +version = "3.7.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b7f4bc775c73d9a02cde8bf7b2ec4c9d12743edf609006c7facc23998404cd1d" +dependencies = [ + "bitflags", + "core-foundation", + "core-foundation-sys", + "libc", + "security-framework-sys", +] + +[[package]] +name = "security-framework-sys" +version = "2.17.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "6ce2691df843ecc5d231c0b14ece2acc3efb62c0a398c7e1d875f3983ce020e3" +dependencies = [ + "core-foundation-sys", + "libc", +] + [[package]] name = "serde" version = "1.0.228" @@ -1107,6 +1810,16 @@ dependencies = [ "windows-sys 0.60.2", ] +[[package]] +name = "sq-capnp-interface" +version = "0.1.0" +dependencies = [ + "bytes", + "capnp", + "capnpc", + "tokio-util", +] + [[package]] name = "sq-cluster" version = "0.1.0" @@ -1120,6 +1833,15 @@ dependencies = [ "tracing", ] +[[package]] +name = "sq-example-publish-subscribe" +version = "0.1.0" +dependencies = [ + "clap", + "sq-sdk", + "tokio", +] + [[package]] name = "sq-grpc-interface" version = "0.1.0" @@ -1142,10 +1864,16 @@ name = "sq-sdk" version = "0.1.0" dependencies = [ "anyhow", + "bytes", + "capnp", + "futures", + "sq-capnp-interface", "sq-grpc-interface", "sq-models", "thiserror", "tokio", + "tokio-stream", + "tokio-util", "tonic", "tracing", ] @@ -1155,23 +1883,37 @@ name = "sq-server" version = "0.1.0" dependencies = [ "anyhow", + "async-stream", "axum", + "bytes", + "capnp", "clap", "dotenvy", "drop-queue", + "futures", "http", "notmad", + "opentelemetry", + "opentelemetry-otlp", + "opentelemetry-semantic-conventions", + "opentelemetry_sdk", "prost", + "sq-capnp-interface", "sq-cluster", "sq-grpc-interface", "sq-models", + "sq-sdk", "sq-sim", "sq-storage", + "tempfile", "tokio", + "tokio-stream", + "tokio-util", "tonic", "tower", "tower-http", "tracing", + "tracing-opentelemetry", "tracing-subscriber", ] @@ -1180,6 +1922,9 @@ name = "sq-sim" version = "0.1.0" dependencies = [ "anyhow", + "sq-models", + "sq-storage", + "thiserror", "tokio", "tracing", ] @@ -1191,12 +1936,24 @@ dependencies = [ "anyhow", "bytes", "crc32fast", + "futures", + "object_store", + "serde", + "serde_json", "sq-models", "sq-sim", + "thiserror", "tokio", "tracing", + "zstd", ] +[[package]] +name = "stable_deref_trait" +version = "1.2.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "6ce2be8dc25455e1f91df71bfa12ad37d7af1092ae736f3a6cd0e37bc7810596" + [[package]] name = "strsim" version = "0.11.1" @@ -1225,6 +1982,33 @@ name = "sync_wrapper" version = "1.0.2" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "0bf256ce5efdfa370213c1dabab5935a12e49f2c58d15e9eac2870d3b4f27263" +dependencies = [ + "futures-core", +] + +[[package]] +name = "synstructure" +version = "0.13.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "728a70f3dbaf5bab7f0c4b1ac8d7ae5ea60a4b5549c8a5914361c99147a709d2" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] + +[[package]] +name = "tempfile" +version = "3.26.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "82a72c767771b47409d2345987fda8628641887d5466101319899796367354a0" +dependencies = [ + "fastrand", + "getrandom 0.3.4", + "once_cell", + "rustix", + "windows-sys 0.61.2", +] [[package]] name = "thiserror" @@ -1255,6 +2039,31 @@ dependencies = [ "cfg-if", ] +[[package]] +name = "tinystr" +version = "0.8.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "42d3e9c45c09de15d06dd8acf5f4e0e399e85927b7f00711024eb7ae10fa4869" +dependencies = [ + "displaydoc", + "zerovec", +] + +[[package]] +name = "tinyvec" +version = "1.10.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "bfa5fdc3bce6191a1dbc8c02d5c8bffcf557bafa17c124c5264a458f1b0613fa" +dependencies = [ + "tinyvec_macros", +] + +[[package]] +name = "tinyvec_macros" +version = "0.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20" + [[package]] name = "tokio" version = "1.49.0" @@ -1302,6 +2111,7 @@ dependencies = [ "futures-core", "pin-project-lite", "tokio", + "tokio-util", ] [[package]] @@ -1387,9 +2197,12 @@ checksum = "d4e6559d53cc268e5031cd8429d05415bc4cb4aefc4aa5d6cc35fbf5b924a1f8" dependencies = [ "bitflags", "bytes", + "futures-util", "http", "http-body", + "iri-string", "pin-project-lite", + "tower", "tower-layer", "tower-service", "tracing", @@ -1451,6 +2264,22 @@ dependencies = [ "tracing-core", ] +[[package]] +name = "tracing-opentelemetry" +version = "0.32.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1ac28f2d093c6c477eaa76b23525478f38de514fa9aeb1285738d4b97a9552fc" +dependencies = [ + "js-sys", + "opentelemetry", + "smallvec", + "tracing", + "tracing-core", + "tracing-log", + "tracing-subscriber", + "web-time", +] + [[package]] name = "tracing-serde" version = "0.2.0" @@ -1488,6 +2317,12 @@ version = "0.2.5" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b" +[[package]] +name = "typenum" +version = "1.19.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "562d481066bde0658276a35467c4af00bdc6ee726305698a55b86e61d7ad82bb" + [[package]] name = "unicode-ident" version = "1.0.24" @@ -1500,6 +2335,24 @@ version = "0.9.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1" +[[package]] +name = "url" +version = "2.5.8" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ff67a8a4397373c3ef660812acab3268222035010ab8680ec4215f38ba3d0eed" +dependencies = [ + "form_urlencoded", + "idna", + "percent-encoding", + "serde", +] + +[[package]] +name = "utf8_iter" +version = "1.0.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b6c140620e7ffbb22c2dee59cafe6084a59b5ffc27a8859a5f0d494b5d52b6be" + [[package]] name = "utf8parse" version = "0.2.2" @@ -1512,6 +2365,22 @@ version = "0.1.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "ba73ea9cf16a25df0c8caa16c51acb937d5712a8429db78a3ee29d5dcacd3a65" +[[package]] +name = "version_check" +version = "0.9.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a" + +[[package]] +name = "walkdir" +version = "2.5.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "29790946404f91d9c5d06f9874efddea1dc06c5efe94541a7d6863108e3a5e4b" +dependencies = [ + "same-file", + "winapi-util", +] + [[package]] name = "want" version = "0.3.1" @@ -1536,6 +2405,98 @@ dependencies = [ "wit-bindgen", ] +[[package]] +name = "wasm-bindgen" +version = "0.2.113" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "60722a937f594b7fde9adb894d7c092fc1bb6612897c46368d18e7a20208eff2" +dependencies = [ + "cfg-if", + "once_cell", + "rustversion", + "wasm-bindgen-macro", + "wasm-bindgen-shared", +] + +[[package]] +name = "wasm-bindgen-futures" +version = "0.4.63" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8a89f4650b770e4521aa6573724e2aed4704372151bd0de9d16a3bbabb87441a" +dependencies = [ + "cfg-if", + "futures-util", + "js-sys", + "once_cell", + "wasm-bindgen", + "web-sys", +] + +[[package]] +name = "wasm-bindgen-macro" +version = "0.2.113" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0fac8c6395094b6b91c4af293f4c79371c163f9a6f56184d2c9a85f5a95f3950" +dependencies = [ + "quote", + "wasm-bindgen-macro-support", +] + +[[package]] +name = "wasm-bindgen-macro-support" +version = "0.2.113" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ab3fabce6159dc20728033842636887e4877688ae94382766e00b180abac9d60" +dependencies = [ + "bumpalo", + "proc-macro2", + "quote", + "syn", + "wasm-bindgen-shared", +] + +[[package]] +name = "wasm-bindgen-shared" +version = "0.2.113" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "de0e091bdb824da87dc01d967388880d017a0a9bc4f3bdc0d86ee9f9336e3bb5" +dependencies = [ + "unicode-ident", +] + +[[package]] +name = "wasm-streams" +version = "0.4.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "15053d8d85c7eccdbefef60f06769760a563c7f0a9d6902a13d35c7800b0ad65" +dependencies = [ + "futures-util", + "js-sys", + "wasm-bindgen", + "wasm-bindgen-futures", + "web-sys", +] + +[[package]] +name = "web-sys" +version = "0.3.90" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "705eceb4ce901230f8625bd1d665128056ccbe4b7408faa625eec1ba80f59a97" +dependencies = [ + "js-sys", + "wasm-bindgen", +] + +[[package]] +name = "web-time" +version = "1.1.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5a6580f308b1fad9207618087a65c04e7a10bc77e02c8e84e9b00dd4b12fa0bb" +dependencies = [ + "js-sys", + "wasm-bindgen", +] + [[package]] name = "webpki-roots" version = "1.0.6" @@ -1545,12 +2506,74 @@ dependencies = [ "rustls-pki-types", ] +[[package]] +name = "winapi-util" +version = "0.1.11" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22" +dependencies = [ + "windows-sys 0.61.2", +] + +[[package]] +name = "windows-core" +version = "0.62.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b8e83a14d34d0623b51dce9581199302a221863196a1dde71a7663a4c2be9deb" +dependencies = [ + "windows-implement", + "windows-interface", + "windows-link", + "windows-result", + "windows-strings", +] + +[[package]] +name = "windows-implement" +version = "0.60.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "053e2e040ab57b9dc951b72c264860db7eb3b0200ba345b4e4c3b14f67855ddf" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] + +[[package]] +name = "windows-interface" +version = "0.59.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3f316c4a2570ba26bbec722032c4099d8c8bc095efccdc15688708623367e358" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] + [[package]] name = "windows-link" version = "0.2.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5" +[[package]] +name = "windows-result" +version = "0.4.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7781fa89eaf60850ac3d2da7af8e5242a5ea78d1a11c49bf2910bb5a73853eb5" +dependencies = [ + "windows-link", +] + +[[package]] +name = "windows-strings" +version = "0.5.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7837d08f69c77cf6b07689544538e017c1bfcf57e34b4c0ff58e6c2cd3b37091" +dependencies = [ + "windows-link", +] + [[package]] name = "windows-sys" version = "0.52.0" @@ -1713,6 +2736,35 @@ version = "0.51.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "d7249219f66ced02969388cf2bb044a09756a083d0fab1e566056b04d9fbcaa5" +[[package]] +name = "writeable" +version = "0.6.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9edde0db4769d2dc68579893f2306b26c6ecfbe0ef499b013d731b7b9247e0b9" + +[[package]] +name = "yoke" +version = "0.8.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "72d6e5c6afb84d73944e5cedb052c4680d5657337201555f9f2a16b7406d4954" +dependencies = [ + "stable_deref_trait", + "yoke-derive", + "zerofrom", +] + +[[package]] +name = "yoke-derive" +version = "0.8.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b659052874eb698efe5b9e8cf382204678a0086ebf46982b79d6ca3182927e5d" +dependencies = [ + "proc-macro2", + "quote", + "syn", + "synstructure", +] + [[package]] name = "zerocopy" version = "0.8.39" @@ -1733,14 +2785,96 @@ dependencies = [ "syn", ] +[[package]] +name = "zerofrom" +version = "0.1.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "50cc42e0333e05660c3587f3bf9d0478688e15d870fab3346451ce7f8c9fbea5" +dependencies = [ + "zerofrom-derive", +] + +[[package]] +name = "zerofrom-derive" +version = "0.1.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d71e5d6e06ab090c67b5e44993ec16b72dcbaabc526db883a360057678b48502" +dependencies = [ + "proc-macro2", + "quote", + "syn", + "synstructure", +] + [[package]] name = "zeroize" version = "1.8.2" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "b97154e67e32c85465826e8bcc1c59429aaaf107c1e4a9e53c8d8ccd5eff88d0" +[[package]] +name = "zerotrie" +version = "0.2.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2a59c17a5562d507e4b54960e8569ebee33bee890c70aa3fe7b97e85a9fd7851" +dependencies = [ + "displaydoc", + "yoke", + "zerofrom", +] + +[[package]] +name = "zerovec" +version = "0.11.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "6c28719294829477f525be0186d13efa9a3c602f7ec202ca9e353d310fb9a002" +dependencies = [ + "yoke", + "zerofrom", + "zerovec-derive", +] + +[[package]] +name = "zerovec-derive" +version = "0.11.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "eadce39539ca5cb3985590102671f2567e659fca9666581ad3411d59207951f3" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] + [[package]] name = "zmij" version = "1.0.21" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "b8848ee67ecc8aedbaf3e4122217aff892639231befc6a1b58d29fff4c2cabaa" + +[[package]] +name = "zstd" +version = "0.13.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e91ee311a569c327171651566e07972200e76fcfe2242a4fa446149a3881c08a" +dependencies = [ + "zstd-safe", +] + +[[package]] +name = "zstd-safe" +version = "7.2.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8f49c4d5f0abb602a93fb8736af2a4f4dd9512e36f7f570d66e65ff867ed3b9d" +dependencies = [ + "zstd-sys", +] + +[[package]] +name = "zstd-sys" +version = "2.0.16+zstd.1.5.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "91e19ebc2adc8f83e43039e79776e3fda8ca919132d68a1fed6a5faca2683748" +dependencies = [ + "cc", + "pkg-config", +] diff --git a/Cargo.toml b/Cargo.toml index fe6aa64..0af655f 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -1,5 +1,5 @@ [workspace] -members = ["crates/*"] +members = ["crates/*", "examples/*"] resolver = "2" [workspace.package] @@ -7,6 +7,7 @@ version = "0.1.0" edition = "2024" [workspace.dependencies] +sq-capnp-interface = { path = "crates/sq-capnp-interface" } sq-grpc-interface = { path = "crates/sq-grpc-interface" } sq-models = { path = "crates/sq-models" } sq-storage = { path = "crates/sq-storage" } @@ -20,7 +21,12 @@ serde = { version = "1", features = ["derive"] } serde_json = "1" tracing = { version = "0.1", features = ["log"] } thiserror = "2" -tracing-subscriber = { version = "0.3", features = ["env-filter", "json"] } +tracing-subscriber = { version = "0.3", features = ["env-filter", "json", "registry"] } +tracing-opentelemetry = "0.32" +opentelemetry = { version = "0.31", features = ["trace", "metrics"] } +opentelemetry_sdk = { version = "0.31", features = ["rt-tokio", "trace", "metrics"] } +opentelemetry-otlp = { version = "0.31", features = ["grpc-tonic", "trace", "metrics"] } +opentelemetry-semantic-conventions = "0.31" clap = { version = "4", features = ["derive", "env", "string"] } dotenvy = { version = "0.15" } async-trait = "0.1" @@ -43,9 +49,13 @@ tonic-prost = "=0.14.2" uuid = { version = "1", features = ["v4", "v7"] } tokio-util = "0.7" tokio-stream = { version = "0.1", features = ["sync"] } +async-stream = "0.3" crc32fast = "1" zstd = "0.13" object_store = { version = "0.12", features = ["aws"] } rand = "0.9" axum = "0.8" tower-http = { version = "0.6", features = ["trace"] } +tempfile = "3" +capnp = "0.20" +capnpc = "0.20" diff --git a/crates/sq-capnp-interface/Cargo.toml b/crates/sq-capnp-interface/Cargo.toml new file mode 100644 index 0000000..73b381f --- /dev/null +++ b/crates/sq-capnp-interface/Cargo.toml @@ -0,0 +1,12 @@ +[package] +name = "sq-capnp-interface" +version.workspace = true +edition.workspace = true + +[dependencies] +capnp = { workspace = true } +bytes = { workspace = true } +tokio-util = { workspace = true, features = ["codec"] } + +[build-dependencies] +capnpc = { workspace = true } diff --git a/crates/sq-capnp-interface/build.rs b/crates/sq-capnp-interface/build.rs new file mode 100644 index 0000000..a841fd8 --- /dev/null +++ b/crates/sq-capnp-interface/build.rs @@ -0,0 +1,6 @@ +fn main() { + capnpc::CompilerCommand::new() + .file("schema/data_plane.capnp") + .run() + .expect("capnp schema compilation failed"); +} diff --git a/crates/sq-capnp-interface/schema/data_plane.capnp b/crates/sq-capnp-interface/schema/data_plane.capnp new file mode 100644 index 0000000..d6fae3a --- /dev/null +++ b/crates/sq-capnp-interface/schema/data_plane.capnp @@ -0,0 +1,65 @@ +@0xb8f6c1e2a3d4e5f6; + +struct MessageHeader { + key @0 :Text; + value @1 :Data; +} + +struct PublishMessage { + topic @0 :Text; + key @1 :Data; + value @2 :Data; + headers @3 :List(MessageHeader); +} + +struct PublishRequest { + messages @0 :List(PublishMessage); + ackMode @1 :UInt8; + producerId @2 :Text; +} + +struct PublishResult { + topic @0 :Text; + partition @1 :UInt32; + offset @2 :UInt64; +} + +struct PublishResponse { + results @0 :List(PublishResult); +} + +struct SubscribeRequest { + topic @0 :Text; + partition @1 :UInt32; + consumerGroup @2 :Text; + startOffset @3 :UInt64; + hasStartOffset @4 :Bool; + maxBatchSize @5 :UInt32; +} + +struct ConsumedMessage { + offset @0 :UInt64; + topic @1 :Text; + partition @2 :UInt32; + key @3 :Data; + value @4 :Data; + headers @5 :List(MessageHeader); + timestampMs @6 :UInt64; +} + +struct SubscribeResponse { + messages @0 :List(ConsumedMessage); +} + +struct AckRequest { + consumerGroup @0 :Text; + topic @1 :Text; + partition @2 :UInt32; + offset @3 :UInt64; +} + +struct AckResponse {} + +struct ErrorResponse { + message @0 :Text; +} diff --git a/crates/sq-capnp-interface/src/codec.rs b/crates/sq-capnp-interface/src/codec.rs new file mode 100644 index 0000000..bb0bb98 --- /dev/null +++ b/crates/sq-capnp-interface/src/codec.rs @@ -0,0 +1,185 @@ +use bytes::{Buf, BufMut, Bytes, BytesMut}; +use tokio_util::codec::{Decoder, Encoder, LengthDelimitedCodec}; + +// Opcodes +pub const OP_PUBLISH_REQ: u8 = 0x01; +pub const OP_PUBLISH_RES: u8 = 0x81; +pub const OP_SUBSCRIBE_REQ: u8 = 0x02; +pub const OP_SUBSCRIBE_RES: u8 = 0x82; +pub const OP_ACK_REQ: u8 = 0x03; +pub const OP_ACK_RES: u8 = 0x83; +pub const OP_SUBSCRIBE_END: u8 = 0x84; +pub const OP_ERROR: u8 = 0xFE; + +/// A decoded frame: opcode + capnp payload bytes. +pub struct Frame { + pub opcode: u8, + pub payload: Bytes, +} + +/// Codec that wraps `LengthDelimitedCodec` and prepends a 1-byte opcode. +/// +/// Wire format: `[4-byte big-endian frame length][1-byte opcode][capnp payload]` +pub struct SqCodec { + inner: LengthDelimitedCodec, +} + +impl SqCodec { + pub fn new() -> Self { + Self { + inner: LengthDelimitedCodec::builder() + .max_frame_length(16 * 1024 * 1024) // 16 MB + .new_codec(), + } + } +} + +impl Default for SqCodec { + fn default() -> Self { + Self::new() + } +} + +impl Decoder for SqCodec { + type Item = Frame; + type Error = std::io::Error; + + fn decode(&mut self, src: &mut BytesMut) -> Result, Self::Error> { + match self.inner.decode(src)? { + Some(mut buf) => { + if buf.is_empty() { + return Err(std::io::Error::new( + std::io::ErrorKind::InvalidData, + "empty frame", + )); + } + let opcode = buf.get_u8(); + let payload = buf.freeze(); + Ok(Some(Frame { opcode, payload })) + } + None => Ok(None), + } + } +} + +impl Encoder for SqCodec { + type Error = std::io::Error; + + fn encode(&mut self, item: Frame, dst: &mut BytesMut) -> Result<(), Self::Error> { + let mut buf = BytesMut::with_capacity(1 + item.payload.len()); + buf.put_u8(item.opcode); + buf.extend_from_slice(&item.payload); + self.inner.encode(buf.freeze(), dst) + } +} + +/// Serialize a capnp message builder into bytes. +pub fn serialize_capnp(builder: &capnp::message::Builder) -> Bytes { + let mut buf = Vec::new(); + capnp::serialize::write_message(&mut buf, builder).expect("capnp serialize failed"); + Bytes::from(buf) +} + +/// Build a Frame from an opcode and a capnp message builder. +pub fn build_frame( + opcode: u8, + builder: &capnp::message::Builder, +) -> Frame { + Frame { + opcode, + payload: serialize_capnp(builder), + } +} + +/// Build an error frame with a text message. +pub fn error_frame(msg: &str) -> Frame { + let mut builder = capnp::message::Builder::new_default(); + { + let mut err = builder.init_root::(); + err.set_message(msg); + } + build_frame(OP_ERROR, &builder) +} + +/// Deserialize a capnp message from a byte slice. +pub fn read_capnp(payload: &[u8]) -> capnp::Result> { + let mut cursor = std::io::Cursor::new(payload); + capnp::serialize::read_message( + &mut cursor, + capnp::message::ReaderOptions::new(), + ) +} + +#[cfg(test)] +mod tests { + use super::*; + use tokio_util::codec::{Decoder, Encoder}; + + #[test] + fn roundtrip_frame() { + let mut codec = SqCodec::new(); + let original = Frame { + opcode: OP_PUBLISH_REQ, + payload: Bytes::from_static(b"hello"), + }; + + let mut buf = BytesMut::new(); + codec + .encode( + Frame { + opcode: original.opcode, + payload: original.payload.clone(), + }, + &mut buf, + ) + .unwrap(); + + let decoded = codec.decode(&mut buf).unwrap().unwrap(); + assert_eq!(decoded.opcode, OP_PUBLISH_REQ); + assert_eq!(decoded.payload, Bytes::from_static(b"hello")); + } + + #[test] + fn capnp_publish_roundtrip() { + // Build a PublishRequest + let mut builder = capnp::message::Builder::new_default(); + { + let mut req = builder.init_root::(); + req.set_ack_mode(1); + req.set_producer_id("test"); + let mut msgs = req.init_messages(1); + let mut msg = msgs.reborrow().get(0); + msg.set_topic("orders"); + msg.set_key(b"key1"); + msg.set_value(b"value1"); + } + + let frame = build_frame(OP_PUBLISH_REQ, &builder); + assert_eq!(frame.opcode, OP_PUBLISH_REQ); + + // Decode + let reader = read_capnp(&frame.payload).unwrap(); + let req = reader + .get_root::() + .unwrap(); + assert_eq!(req.get_ack_mode(), 1); + assert_eq!(req.get_producer_id().unwrap(), "test"); + let msgs = req.get_messages().unwrap(); + assert_eq!(msgs.len(), 1); + assert_eq!(msgs.get(0).get_topic().unwrap(), "orders"); + assert_eq!(msgs.get(0).get_key().unwrap(), b"key1"); + assert_eq!(msgs.get(0).get_value().unwrap(), b"value1"); + } + + #[test] + fn error_frame_roundtrip() { + let frame = error_frame("something went wrong"); + assert_eq!(frame.opcode, OP_ERROR); + + let reader = read_capnp(&frame.payload).unwrap(); + let err = reader + .get_root::() + .unwrap(); + assert_eq!(err.get_message().unwrap(), "something went wrong"); + } +} diff --git a/crates/sq-capnp-interface/src/lib.rs b/crates/sq-capnp-interface/src/lib.rs new file mode 100644 index 0000000..6986206 --- /dev/null +++ b/crates/sq-capnp-interface/src/lib.rs @@ -0,0 +1,6 @@ +pub mod codec; + +#[allow(dead_code)] +pub mod data_plane_capnp { + include!(concat!(env!("OUT_DIR"), "/schema/data_plane_capnp.rs")); +} diff --git a/crates/sq-cluster/src/lib.rs b/crates/sq-cluster/src/lib.rs index e69de29..eb322ee 100644 --- a/crates/sq-cluster/src/lib.rs +++ b/crates/sq-cluster/src/lib.rs @@ -0,0 +1,3 @@ +pub mod membership; +pub mod recovery; +pub mod replication; diff --git a/crates/sq-cluster/src/membership.rs b/crates/sq-cluster/src/membership.rs new file mode 100644 index 0000000..389548a --- /dev/null +++ b/crates/sq-cluster/src/membership.rs @@ -0,0 +1,340 @@ +use std::collections::HashMap; +use std::sync::Arc; +use std::time::{Duration, Instant}; + +use tokio::sync::Mutex; + +/// Status of a node in the cluster. +#[derive(Debug, Clone, Copy, PartialEq, Eq)] +pub enum NodeStatus { + Alive, + Suspected, + Dead, +} + +impl std::fmt::Display for NodeStatus { + fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { + match self { + NodeStatus::Alive => write!(f, "alive"), + NodeStatus::Suspected => write!(f, "suspected"), + NodeStatus::Dead => write!(f, "dead"), + } + } +} + +/// Information about a member node. +#[derive(Debug, Clone)] +pub struct MemberInfo { + pub node_id: String, + pub address: String, + pub status: NodeStatus, + pub last_heartbeat: Instant, +} + +/// Configuration for membership management. +#[derive(Debug, Clone)] +pub struct MembershipConfig { + /// This node's ID. + pub node_id: String, + /// This node's gRPC address. + pub address: String, + /// Seed node addresses for initial discovery. + pub seeds: Vec, + /// How many missed heartbeats before a node is suspected. + pub failure_threshold: u32, + /// Heartbeat interval. + pub heartbeat_interval: Duration, + /// Time a node stays in Suspected before being declared Dead. + pub suspect_timeout: Duration, +} + +impl Default for MembershipConfig { + fn default() -> Self { + Self { + node_id: "node-1".to_string(), + address: "127.0.0.1:6060".to_string(), + seeds: Vec::new(), + failure_threshold: 3, + heartbeat_interval: Duration::from_secs(5), + suspect_timeout: Duration::from_secs(30), + } + } +} + +/// Manages cluster membership state. +pub struct Membership { + config: MembershipConfig, + members: Arc>>, +} + +impl Membership { + pub fn new(config: MembershipConfig) -> Self { + let mut members = HashMap::new(); + + // Add self as alive. + members.insert( + config.node_id.clone(), + MemberInfo { + node_id: config.node_id.clone(), + address: config.address.clone(), + status: NodeStatus::Alive, + last_heartbeat: Instant::now(), + }, + ); + + Self { + config, + members: Arc::new(Mutex::new(members)), + } + } + + /// Get the shared members handle (for use in gRPC handlers). + pub fn members(&self) -> Arc>> { + self.members.clone() + } + + /// Get the node ID. + pub fn node_id(&self) -> &str { + &self.config.node_id + } + + /// Get the node address. + pub fn address(&self) -> &str { + &self.config.address + } + + /// Get seed addresses. + pub fn seeds(&self) -> &[String] { + &self.config.seeds + } + + /// Record a heartbeat from a node. Creates the member entry if new. + pub async fn record_heartbeat(&self, node_id: &str, address: &str) { + let mut members = self.members.lock().await; + let entry = members + .entry(node_id.to_string()) + .or_insert_with(|| MemberInfo { + node_id: node_id.to_string(), + address: address.to_string(), + status: NodeStatus::Alive, + last_heartbeat: Instant::now(), + }); + entry.status = NodeStatus::Alive; + entry.last_heartbeat = Instant::now(); + entry.address = address.to_string(); + } + + /// Record members discovered from a Join/Heartbeat response. + pub async fn merge_members(&self, discovered: Vec<(String, String)>) { + let mut members = self.members.lock().await; + for (node_id, address) in discovered { + if node_id == self.config.node_id { + continue; // Skip self. + } + members + .entry(node_id.clone()) + .or_insert_with(|| MemberInfo { + node_id, + address, + status: NodeStatus::Alive, + last_heartbeat: Instant::now(), + }); + } + } + + /// Check for failed nodes based on heartbeat timeouts. + /// Updates node status from Alive -> Suspected -> Dead. + pub async fn check_failures(&self) { + let now = Instant::now(); + let heartbeat_timeout = + self.config.heartbeat_interval * self.config.failure_threshold; + + let mut members = self.members.lock().await; + for (id, member) in members.iter_mut() { + if *id == self.config.node_id { + // Don't suspect self. + member.last_heartbeat = now; + continue; + } + + let elapsed = now.duration_since(member.last_heartbeat); + + match member.status { + NodeStatus::Alive => { + if elapsed > heartbeat_timeout { + tracing::warn!( + node_id = %id, + elapsed_secs = elapsed.as_secs(), + "node suspected: missed heartbeats" + ); + member.status = NodeStatus::Suspected; + } + } + NodeStatus::Suspected => { + if elapsed > heartbeat_timeout + self.config.suspect_timeout { + tracing::warn!(node_id = %id, "node declared dead"); + member.status = NodeStatus::Dead; + } + } + NodeStatus::Dead => { + // Dead nodes stay dead until they re-join. + } + } + } + } + + /// Get all alive peers (excluding self). + pub async fn alive_peers(&self) -> Vec { + let members = self.members.lock().await; + members + .values() + .filter(|m| m.node_id != self.config.node_id && m.status == NodeStatus::Alive) + .cloned() + .collect() + } + + /// Get all known members (including self). + pub async fn all_members(&self) -> Vec { + let members = self.members.lock().await; + members.values().cloned().collect() + } +} + +#[cfg(test)] +mod tests { + use super::*; + + fn test_config(node_id: &str) -> MembershipConfig { + MembershipConfig { + node_id: node_id.to_string(), + address: format!("127.0.0.1:606{}", node_id.chars().last().unwrap()), + heartbeat_interval: Duration::from_millis(100), + failure_threshold: 3, + suspect_timeout: Duration::from_millis(300), + ..Default::default() + } + } + + #[tokio::test] + async fn test_new_membership_has_self() { + let m = Membership::new(test_config("node-1")); + let members = m.all_members().await; + assert_eq!(members.len(), 1); + assert_eq!(members[0].node_id, "node-1"); + assert_eq!(members[0].status, NodeStatus::Alive); + } + + #[tokio::test] + async fn test_record_heartbeat_adds_new_member() { + let m = Membership::new(test_config("node-1")); + m.record_heartbeat("node-2", "127.0.0.1:6062").await; + + let members = m.all_members().await; + assert_eq!(members.len(), 2); + } + + #[tokio::test] + async fn test_record_heartbeat_updates_existing() { + let m = Membership::new(test_config("node-1")); + m.record_heartbeat("node-2", "127.0.0.1:6062").await; + + // Update address. + m.record_heartbeat("node-2", "127.0.0.1:6063").await; + + let members = m.all_members().await; + let node2 = members.iter().find(|m| m.node_id == "node-2").unwrap(); + assert_eq!(node2.address, "127.0.0.1:6063"); + } + + #[tokio::test] + async fn test_merge_members() { + let m = Membership::new(test_config("node-1")); + m.merge_members(vec![ + ("node-2".to_string(), "addr-2".to_string()), + ("node-3".to_string(), "addr-3".to_string()), + ]) + .await; + + let members = m.all_members().await; + assert_eq!(members.len(), 3); + } + + #[tokio::test] + async fn test_merge_skips_self() { + let m = Membership::new(test_config("node-1")); + m.merge_members(vec![("node-1".to_string(), "other-addr".to_string())]) + .await; + + let members = m.all_members().await; + assert_eq!(members.len(), 1); + } + + #[tokio::test] + async fn test_alive_peers_excludes_self() { + let m = Membership::new(test_config("node-1")); + m.record_heartbeat("node-2", "addr-2").await; + + let peers = m.alive_peers().await; + assert_eq!(peers.len(), 1); + assert_eq!(peers[0].node_id, "node-2"); + } + + #[tokio::test] + async fn test_check_failures_suspects_after_timeout() { + let m = Membership::new(test_config("node-1")); + m.record_heartbeat("node-2", "addr-2").await; + + // Simulate time passing by directly modifying last_heartbeat. + { + let mut members = m.members.lock().await; + let node2 = members.get_mut("node-2").unwrap(); + node2.last_heartbeat = Instant::now() - Duration::from_millis(500); + } + + m.check_failures().await; + + let members = m.all_members().await; + let node2 = members.iter().find(|m| m.node_id == "node-2").unwrap(); + assert_eq!(node2.status, NodeStatus::Suspected); + } + + #[tokio::test] + async fn test_heartbeat_revives_suspected_node() { + let m = Membership::new(test_config("node-1")); + m.record_heartbeat("node-2", "addr-2").await; + + // Make node-2 suspected. + { + let mut members = m.members.lock().await; + let node2 = members.get_mut("node-2").unwrap(); + node2.status = NodeStatus::Suspected; + } + + // Heartbeat revives it. + m.record_heartbeat("node-2", "addr-2").await; + + let members = m.all_members().await; + let node2 = members.iter().find(|m| m.node_id == "node-2").unwrap(); + assert_eq!(node2.status, NodeStatus::Alive); + } + + #[tokio::test] + async fn test_dead_after_suspect_timeout() { + let m = Membership::new(test_config("node-1")); + m.record_heartbeat("node-2", "addr-2").await; + + // Simulate way past all timeouts. + { + let mut members = m.members.lock().await; + let node2 = members.get_mut("node-2").unwrap(); + node2.status = NodeStatus::Suspected; + node2.last_heartbeat = Instant::now() - Duration::from_secs(10); + } + + m.check_failures().await; + + let members = m.all_members().await; + let node2 = members.iter().find(|m| m.node_id == "node-2").unwrap(); + assert_eq!(node2.status, NodeStatus::Dead); + } +} diff --git a/crates/sq-cluster/src/recovery.rs b/crates/sq-cluster/src/recovery.rs new file mode 100644 index 0000000..4665429 --- /dev/null +++ b/crates/sq-cluster/src/recovery.rs @@ -0,0 +1,74 @@ +use std::sync::Arc; + +use sq_grpc_interface::cluster_service_client::ClusterServiceClient; +use sq_grpc_interface::JoinRequest; + +use crate::membership::Membership; + +/// Handles node recovery and catch-up when joining/rejoining the cluster. +pub struct Recovery { + membership: Arc, +} + +impl Recovery { + pub fn new(membership: Arc) -> Self { + Self { membership } + } + + /// Join the cluster by contacting seed nodes. + /// Returns the number of seeds successfully contacted. + pub async fn join_cluster(&self) -> anyhow::Result { + let seeds = self.membership.seeds().to_vec(); + let mut contacted = 0; + + for seed_addr in &seeds { + let endpoint = format!("http://{}", seed_addr); + + match ClusterServiceClient::connect(endpoint).await { + Ok(mut client) => { + let response = client + .join(tonic::Request::new(JoinRequest { + node_id: self.membership.node_id().to_string(), + address: self.membership.address().to_string(), + })) + .await; + + match response { + Ok(resp) => { + let members: Vec<(String, String)> = resp + .into_inner() + .members + .into_iter() + .map(|m| (m.node_id, m.address)) + .collect(); + + self.membership.merge_members(members).await; + contacted += 1; + + tracing::info!( + seed = %seed_addr, + "successfully joined cluster via seed" + ); + } + Err(e) => { + tracing::warn!( + seed = %seed_addr, + error = %e, + "failed to join via seed" + ); + } + } + } + Err(e) => { + tracing::warn!( + seed = %seed_addr, + error = %e, + "failed to connect to seed" + ); + } + } + } + + Ok(contacted) + } +} diff --git a/crates/sq-cluster/src/replication.rs b/crates/sq-cluster/src/replication.rs new file mode 100644 index 0000000..90651c5 --- /dev/null +++ b/crates/sq-cluster/src/replication.rs @@ -0,0 +1,242 @@ +use std::sync::Arc; +use std::time::Duration; + +use sq_grpc_interface::{ + cluster_service_client::ClusterServiceClient, ReplicateEntriesRequest, +}; + +use crate::membership::{Membership, MemberInfo}; + +/// Configuration for write replication. +#[derive(Debug, Clone)] +pub struct ReplicationConfig { + /// Replication factor (how many copies including local). + pub replication_factor: u32, + /// Timeout for waiting for peer acks. + pub timeout: Duration, +} + +impl Default for ReplicationConfig { + fn default() -> Self { + Self { + replication_factor: 3, + timeout: Duration::from_secs(5), + } + } +} + +/// Result of a replication attempt. +#[derive(Debug)] +pub struct ReplicationResult { + /// Number of successful acks (including local). + pub ack_count: u32, + /// Whether quorum was reached. + pub quorum_reached: bool, + /// Errors from failed peers. + pub errors: Vec<(String, String)>, +} + +/// Handles replicating WAL entries to peer nodes. +pub struct Replicator { + membership: Arc, + config: ReplicationConfig, +} + +impl Replicator { + pub fn new(membership: Arc, config: ReplicationConfig) -> Self { + Self { + membership, + config, + } + } + + /// Replicate entries to peers. Returns after quorum is reached or timeout. + /// The local write is assumed to already be done (counts as 1 ack). + pub async fn replicate( + &self, + topic: &str, + partition: u32, + entries: Vec>, + ) -> ReplicationResult { + let peers = self.membership.alive_peers().await; + let quorum = (self.config.replication_factor / 2) + 1; + + // If no peers or single-node, local write alone is sufficient. + if peers.is_empty() || self.config.replication_factor <= 1 { + return ReplicationResult { + ack_count: 1, + quorum_reached: quorum <= 1, + errors: vec![], + }; + } + + // Send to all alive peers in parallel. + let (tx, mut rx) = tokio::sync::mpsc::channel::>( + peers.len(), + ); + + for peer in &peers { + let tx = tx.clone(); + let peer = peer.clone(); + let topic = topic.to_string(); + let entries = entries.clone(); + tokio::spawn(async move { + match replicate_to_peer(&peer, &topic, partition, entries).await { + Ok(()) => { + let _ = tx.send(Ok(peer.node_id.clone())).await; + } + Err(e) => { + let _ = tx + .send(Err((peer.node_id.clone(), e.to_string()))) + .await; + } + } + }); + } + + drop(tx); + + // Wait for acks with timeout. + let mut ack_count: u32 = 1; // Count local write. + let mut errors = Vec::new(); + + let deadline = tokio::time::Instant::now() + self.config.timeout; + + loop { + if ack_count >= quorum { + break; + } + + tokio::select! { + result = rx.recv() => { + match result { + Some(Ok(_node_id)) => { + ack_count += 1; + } + Some(Err((node_id, err))) => { + errors.push((node_id, err)); + } + None => { + // Channel closed, all peers responded. + break; + } + } + } + _ = tokio::time::sleep_until(deadline) => { + tracing::warn!( + acks = ack_count, + quorum = quorum, + "replication timeout waiting for quorum" + ); + break; + } + } + } + + ReplicationResult { + ack_count, + quorum_reached: ack_count >= quorum, + errors, + } + } +} + +async fn replicate_to_peer( + peer: &MemberInfo, + topic: &str, + partition: u32, + entries: Vec>, +) -> anyhow::Result<()> { + let endpoint = format!("http://{}", peer.address); + let mut client = ClusterServiceClient::connect(endpoint).await?; + + client + .replicate_entries(tonic::Request::new(ReplicateEntriesRequest { + topic: topic.to_string(), + partition, + entries, + })) + .await?; + + Ok(()) +} + +#[cfg(test)] +mod tests { + use super::*; + use crate::membership::MembershipConfig; + + fn single_node_membership() -> Arc { + Arc::new(Membership::new(MembershipConfig { + node_id: "node-1".to_string(), + address: "127.0.0.1:6060".to_string(), + ..Default::default() + })) + } + + #[tokio::test] + async fn test_single_node_replication() { + let membership = single_node_membership(); + let replicator = Replicator::new( + membership, + ReplicationConfig { + replication_factor: 1, + ..Default::default() + }, + ); + + let result = replicator + .replicate("orders", 0, vec![b"entry-1".to_vec()]) + .await; + + assert_eq!(result.ack_count, 1); + assert!(result.quorum_reached); + assert!(result.errors.is_empty()); + } + + #[tokio::test] + async fn test_no_peers_available() { + let membership = single_node_membership(); + let replicator = Replicator::new( + membership, + ReplicationConfig { + replication_factor: 3, + ..Default::default() + }, + ); + + let result = replicator + .replicate("orders", 0, vec![b"entry-1".to_vec()]) + .await; + + // Only local ack (1 out of 2 needed for quorum). + assert_eq!(result.ack_count, 1); + assert!(!result.quorum_reached); + } + + #[tokio::test] + async fn test_unreachable_peers_timeout() { + let membership = single_node_membership(); + + // Add peers that don't exist - they'll fail to connect. + membership + .record_heartbeat("node-2", "127.0.0.1:19999") + .await; + + let replicator = Replicator::new( + membership, + ReplicationConfig { + replication_factor: 3, + timeout: Duration::from_millis(500), + }, + ); + + let result = replicator + .replicate("orders", 0, vec![b"entry-1".to_vec()]) + .await; + + // Should have errors from unreachable peer. + assert_eq!(result.ack_count, 1); + assert!(!result.quorum_reached); + } +} diff --git a/crates/sq-grpc-interface/src/grpc/sq/v1/sq.v1.rs b/crates/sq-grpc-interface/src/grpc/sq/v1/sq.v1.rs index 192e234..cc17676 100644 --- a/crates/sq-grpc-interface/src/grpc/sq/v1/sq.v1.rs +++ b/crates/sq-grpc-interface/src/grpc/sq/v1/sq.v1.rs @@ -1,2 +1,290 @@ -// This file will be generated by `buf generate`. -// Placeholder for initial workspace compilation. +// @generated +// This file is @generated by prost-build. +#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)] +pub struct ReplicateEntriesRequest { + #[prost(string, tag="1")] + pub topic: ::prost::alloc::string::String, + #[prost(uint32, tag="2")] + pub partition: u32, + #[prost(bytes="vec", repeated, tag="3")] + pub entries: ::prost::alloc::vec::Vec<::prost::alloc::vec::Vec>, +} +#[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)] +pub struct ReplicateEntriesResponse { + #[prost(uint64, tag="1")] + pub last_replicated_offset: u64, +} +#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)] +pub struct JoinRequest { + #[prost(string, tag="1")] + pub node_id: ::prost::alloc::string::String, + #[prost(string, tag="2")] + pub address: ::prost::alloc::string::String, +} +#[derive(Clone, PartialEq, ::prost::Message)] +pub struct JoinResponse { + #[prost(message, repeated, tag="1")] + pub members: ::prost::alloc::vec::Vec, +} +#[derive(Clone, PartialEq, ::prost::Message)] +pub struct HeartbeatRequest { + #[prost(string, tag="1")] + pub node_id: ::prost::alloc::string::String, + #[prost(message, repeated, tag="2")] + pub known_members: ::prost::alloc::vec::Vec, +} +#[derive(Clone, PartialEq, ::prost::Message)] +pub struct HeartbeatResponse { + #[prost(message, repeated, tag="1")] + pub members: ::prost::alloc::vec::Vec, +} +#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)] +pub struct ClusterNodeInfo { + #[prost(string, tag="1")] + pub node_id: ::prost::alloc::string::String, + #[prost(string, tag="2")] + pub address: ::prost::alloc::string::String, + #[prost(string, tag="3")] + pub status: ::prost::alloc::string::String, +} +#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)] +pub struct FetchSegmentRequest { + #[prost(string, tag="1")] + pub topic: ::prost::alloc::string::String, + #[prost(uint32, tag="2")] + pub partition: u32, + #[prost(uint64, tag="3")] + pub from_offset: u64, +} +#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)] +pub struct FetchSegmentResponse { + #[prost(bytes="vec", tag="1")] + pub chunk: ::prost::alloc::vec::Vec, +} +#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)] +pub struct CreateTopicRequest { + #[prost(string, tag="1")] + pub name: ::prost::alloc::string::String, + #[prost(uint32, tag="2")] + pub partitions: u32, + #[prost(uint32, tag="3")] + pub replication_factor: u32, +} +#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)] +pub struct CreateTopicResponse { + #[prost(string, tag="1")] + pub name: ::prost::alloc::string::String, +} +#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)] +pub struct DeleteTopicRequest { + #[prost(string, tag="1")] + pub name: ::prost::alloc::string::String, +} +#[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)] +pub struct DeleteTopicResponse { +} +#[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)] +pub struct ListTopicsRequest { +} +#[derive(Clone, PartialEq, ::prost::Message)] +pub struct ListTopicsResponse { + #[prost(message, repeated, tag="1")] + pub topics: ::prost::alloc::vec::Vec, +} +#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)] +pub struct TopicInfo { + #[prost(string, tag="1")] + pub name: ::prost::alloc::string::String, + #[prost(uint32, tag="2")] + pub partitions: u32, + #[prost(uint32, tag="3")] + pub replication_factor: u32, +} +#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)] +pub struct DescribeTopicRequest { + #[prost(string, tag="1")] + pub name: ::prost::alloc::string::String, +} +#[derive(Clone, PartialEq, ::prost::Message)] +pub struct DescribeTopicResponse { + #[prost(message, optional, tag="1")] + pub topic: ::core::option::Option, + #[prost(message, repeated, tag="2")] + pub partition_info: ::prost::alloc::vec::Vec, +} +#[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)] +pub struct PartitionInfo { + #[prost(uint32, tag="1")] + pub partition: u32, + #[prost(uint64, tag="2")] + pub earliest_offset: u64, + #[prost(uint64, tag="3")] + pub latest_offset: u64, +} +#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)] +pub struct CreateConsumerGroupRequest { + #[prost(string, tag="1")] + pub group_name: ::prost::alloc::string::String, +} +#[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)] +pub struct CreateConsumerGroupResponse { +} +// --- Publish --- + +#[derive(Clone, PartialEq, ::prost::Message)] +pub struct PublishRequest { + #[prost(message, repeated, tag="1")] + pub messages: ::prost::alloc::vec::Vec, + #[prost(message, optional, tag="2")] + pub settings: ::core::option::Option, + #[prost(string, tag="3")] + pub producer_id: ::prost::alloc::string::String, +} +#[derive(Clone, PartialEq, ::prost::Message)] +pub struct PublishMessage { + #[prost(string, tag="1")] + pub topic: ::prost::alloc::string::String, + #[prost(bytes="vec", tag="2")] + pub key: ::prost::alloc::vec::Vec, + #[prost(bytes="vec", tag="3")] + pub value: ::prost::alloc::vec::Vec, + #[prost(message, repeated, tag="4")] + pub headers: ::prost::alloc::vec::Vec, +} +#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)] +pub struct MessageHeader { + #[prost(string, tag="1")] + pub key: ::prost::alloc::string::String, + #[prost(bytes="vec", tag="2")] + pub value: ::prost::alloc::vec::Vec, +} +#[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)] +pub struct PublishSettings { + #[prost(enumeration="AckMode", tag="1")] + pub ack_mode: i32, +} +#[derive(Clone, PartialEq, ::prost::Message)] +pub struct PublishResponse { + #[prost(message, repeated, tag="1")] + pub results: ::prost::alloc::vec::Vec, +} +#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)] +pub struct PublishResult { + #[prost(string, tag="1")] + pub topic: ::prost::alloc::string::String, + #[prost(uint32, tag="2")] + pub partition: u32, + #[prost(uint64, tag="3")] + pub offset: u64, +} +// --- Subscribe --- + +#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)] +pub struct SubscribeRequest { + #[prost(string, tag="1")] + pub topic: ::prost::alloc::string::String, + #[prost(uint32, tag="2")] + pub partition: u32, + #[prost(string, tag="3")] + pub consumer_group: ::prost::alloc::string::String, + #[prost(uint64, optional, tag="4")] + pub start_offset: ::core::option::Option, + #[prost(uint32, tag="5")] + pub max_batch_size: u32, +} +#[derive(Clone, PartialEq, ::prost::Message)] +pub struct SubscribeResponse { + #[prost(message, repeated, tag="1")] + pub messages: ::prost::alloc::vec::Vec, +} +#[derive(Clone, PartialEq, ::prost::Message)] +pub struct ConsumedMessage { + #[prost(uint64, tag="1")] + pub offset: u64, + #[prost(string, tag="2")] + pub topic: ::prost::alloc::string::String, + #[prost(uint32, tag="3")] + pub partition: u32, + #[prost(bytes="vec", tag="4")] + pub key: ::prost::alloc::vec::Vec, + #[prost(bytes="vec", tag="5")] + pub value: ::prost::alloc::vec::Vec, + #[prost(message, repeated, tag="6")] + pub headers: ::prost::alloc::vec::Vec, + #[prost(uint64, tag="7")] + pub timestamp_ms: u64, +} +// --- Ack/Commit --- + +#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)] +pub struct AckRequest { + #[prost(string, tag="1")] + pub consumer_group: ::prost::alloc::string::String, + #[prost(string, tag="2")] + pub topic: ::prost::alloc::string::String, + #[prost(uint32, tag="3")] + pub partition: u32, + #[prost(uint64, tag="4")] + pub offset: u64, +} +#[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)] +pub struct AckResponse { +} +#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)] +#[repr(i32)] +pub enum AckMode { + Unspecified = 0, + All = 1, + Local = 2, + None = 3, +} +impl AckMode { + /// String value of the enum field names used in the ProtoBuf definition. + /// + /// The values are not transformed in any way and thus are considered stable + /// (if the ProtoBuf definition does not change) and safe for programmatic use. + pub fn as_str_name(&self) -> &'static str { + match self { + Self::Unspecified => "ACK_MODE_UNSPECIFIED", + Self::All => "ACK_MODE_ALL", + Self::Local => "ACK_MODE_LOCAL", + Self::None => "ACK_MODE_NONE", + } + } + /// Creates an enum from field names used in the ProtoBuf definition. + pub fn from_str_name(value: &str) -> ::core::option::Option { + match value { + "ACK_MODE_UNSPECIFIED" => Some(Self::Unspecified), + "ACK_MODE_ALL" => Some(Self::All), + "ACK_MODE_LOCAL" => Some(Self::Local), + "ACK_MODE_NONE" => Some(Self::None), + _ => None, + } + } +} +#[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)] +pub struct GetStatusRequest { +} +#[derive(Clone, PartialEq, ::prost::Message)] +pub struct GetStatusResponse { + #[prost(string, tag="1")] + pub node_id: ::prost::alloc::string::String, + #[prost(message, optional, tag="2")] + pub cluster: ::core::option::Option, +} +#[derive(Clone, PartialEq, ::prost::Message)] +pub struct ClusterStatus { + #[prost(message, repeated, tag="1")] + pub nodes: ::prost::alloc::vec::Vec, +} +#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)] +pub struct NodeInfo { + #[prost(string, tag="1")] + pub node_id: ::prost::alloc::string::String, + #[prost(string, tag="2")] + pub address: ::prost::alloc::string::String, + #[prost(string, tag="3")] + pub status: ::prost::alloc::string::String, +} +include!("sq.v1.tonic.rs"); +// @@protoc_insertion_point(module) \ No newline at end of file diff --git a/crates/sq-grpc-interface/src/grpc/sq/v1/sq.v1.tonic.rs b/crates/sq-grpc-interface/src/grpc/sq/v1/sq.v1.tonic.rs new file mode 100644 index 0000000..8cdbdd1 --- /dev/null +++ b/crates/sq-grpc-interface/src/grpc/sq/v1/sq.v1.tonic.rs @@ -0,0 +1,1885 @@ +// @generated +/// Generated client implementations. +pub mod cluster_service_client { + #![allow( + unused_variables, + dead_code, + missing_docs, + clippy::wildcard_imports, + clippy::let_unit_value, + )] + use tonic::codegen::*; + use tonic::codegen::http::Uri; + #[derive(Debug, Clone)] + pub struct ClusterServiceClient { + inner: tonic::client::Grpc, + } + impl ClusterServiceClient { + /// Attempt to create a new client by connecting to a given endpoint. + pub async fn connect(dst: D) -> Result + where + D: TryInto, + D::Error: Into, + { + let conn = tonic::transport::Endpoint::new(dst)?.connect().await?; + Ok(Self::new(conn)) + } + } + impl ClusterServiceClient + where + T: tonic::client::GrpcService, + T::Error: Into, + T::ResponseBody: Body + std::marker::Send + 'static, + ::Error: Into + std::marker::Send, + { + pub fn new(inner: T) -> Self { + let inner = tonic::client::Grpc::new(inner); + Self { inner } + } + pub fn with_origin(inner: T, origin: Uri) -> Self { + let inner = tonic::client::Grpc::with_origin(inner, origin); + Self { inner } + } + pub fn with_interceptor( + inner: T, + interceptor: F, + ) -> ClusterServiceClient> + where + F: tonic::service::Interceptor, + T::ResponseBody: Default, + T: tonic::codegen::Service< + http::Request, + Response = http::Response< + >::ResponseBody, + >, + >, + , + >>::Error: Into + std::marker::Send + std::marker::Sync, + { + ClusterServiceClient::new(InterceptedService::new(inner, interceptor)) + } + /// Compress requests with the given encoding. + /// + /// This requires the server to support it otherwise it might respond with an + /// error. + #[must_use] + pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self { + self.inner = self.inner.send_compressed(encoding); + self + } + /// Enable decompressing responses. + #[must_use] + pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self { + self.inner = self.inner.accept_compressed(encoding); + self + } + /// Limits the maximum size of a decoded message. + /// + /// Default: `4MB` + #[must_use] + pub fn max_decoding_message_size(mut self, limit: usize) -> Self { + self.inner = self.inner.max_decoding_message_size(limit); + self + } + /// Limits the maximum size of an encoded message. + /// + /// Default: `usize::MAX` + #[must_use] + pub fn max_encoding_message_size(mut self, limit: usize) -> Self { + self.inner = self.inner.max_encoding_message_size(limit); + self + } + pub async fn replicate_entries( + &mut self, + request: impl tonic::IntoRequest, + ) -> std::result::Result< + tonic::Response, + tonic::Status, + > { + self.inner + .ready() + .await + .map_err(|e| { + tonic::Status::unknown( + format!("Service was not ready: {}", e.into()), + ) + })?; + let codec = tonic_prost::ProstCodec::default(); + let path = http::uri::PathAndQuery::from_static( + "/sq.v1.ClusterService/ReplicateEntries", + ); + let mut req = request.into_request(); + req.extensions_mut() + .insert(GrpcMethod::new("sq.v1.ClusterService", "ReplicateEntries")); + self.inner.unary(req, path, codec).await + } + pub async fn join( + &mut self, + request: impl tonic::IntoRequest, + ) -> std::result::Result, tonic::Status> { + self.inner + .ready() + .await + .map_err(|e| { + tonic::Status::unknown( + format!("Service was not ready: {}", e.into()), + ) + })?; + let codec = tonic_prost::ProstCodec::default(); + let path = http::uri::PathAndQuery::from_static( + "/sq.v1.ClusterService/Join", + ); + let mut req = request.into_request(); + req.extensions_mut().insert(GrpcMethod::new("sq.v1.ClusterService", "Join")); + self.inner.unary(req, path, codec).await + } + pub async fn heartbeat( + &mut self, + request: impl tonic::IntoRequest, + ) -> std::result::Result< + tonic::Response, + tonic::Status, + > { + self.inner + .ready() + .await + .map_err(|e| { + tonic::Status::unknown( + format!("Service was not ready: {}", e.into()), + ) + })?; + let codec = tonic_prost::ProstCodec::default(); + let path = http::uri::PathAndQuery::from_static( + "/sq.v1.ClusterService/Heartbeat", + ); + let mut req = request.into_request(); + req.extensions_mut() + .insert(GrpcMethod::new("sq.v1.ClusterService", "Heartbeat")); + self.inner.unary(req, path, codec).await + } + pub async fn fetch_segment( + &mut self, + request: impl tonic::IntoRequest, + ) -> std::result::Result< + tonic::Response>, + tonic::Status, + > { + self.inner + .ready() + .await + .map_err(|e| { + tonic::Status::unknown( + format!("Service was not ready: {}", e.into()), + ) + })?; + let codec = tonic_prost::ProstCodec::default(); + let path = http::uri::PathAndQuery::from_static( + "/sq.v1.ClusterService/FetchSegment", + ); + let mut req = request.into_request(); + req.extensions_mut() + .insert(GrpcMethod::new("sq.v1.ClusterService", "FetchSegment")); + self.inner.server_streaming(req, path, codec).await + } + } +} +/// Generated server implementations. +pub mod cluster_service_server { + #![allow( + unused_variables, + dead_code, + missing_docs, + clippy::wildcard_imports, + clippy::let_unit_value, + )] + use tonic::codegen::*; + /// Generated trait containing gRPC methods that should be implemented for use with ClusterServiceServer. + #[async_trait] + pub trait ClusterService: std::marker::Send + std::marker::Sync + 'static { + async fn replicate_entries( + &self, + request: tonic::Request, + ) -> std::result::Result< + tonic::Response, + tonic::Status, + >; + async fn join( + &self, + request: tonic::Request, + ) -> std::result::Result, tonic::Status>; + async fn heartbeat( + &self, + request: tonic::Request, + ) -> std::result::Result< + tonic::Response, + tonic::Status, + >; + /// Server streaming response type for the FetchSegment method. + type FetchSegmentStream: tonic::codegen::tokio_stream::Stream< + Item = std::result::Result, + > + + std::marker::Send + + 'static; + async fn fetch_segment( + &self, + request: tonic::Request, + ) -> std::result::Result< + tonic::Response, + tonic::Status, + >; + } + #[derive(Debug)] + pub struct ClusterServiceServer { + inner: Arc, + accept_compression_encodings: EnabledCompressionEncodings, + send_compression_encodings: EnabledCompressionEncodings, + max_decoding_message_size: Option, + max_encoding_message_size: Option, + } + impl ClusterServiceServer { + pub fn new(inner: T) -> Self { + Self::from_arc(Arc::new(inner)) + } + pub fn from_arc(inner: Arc) -> Self { + Self { + inner, + accept_compression_encodings: Default::default(), + send_compression_encodings: Default::default(), + max_decoding_message_size: None, + max_encoding_message_size: None, + } + } + pub fn with_interceptor( + inner: T, + interceptor: F, + ) -> InterceptedService + where + F: tonic::service::Interceptor, + { + InterceptedService::new(Self::new(inner), interceptor) + } + /// Enable decompressing requests with the given encoding. + #[must_use] + pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self { + self.accept_compression_encodings.enable(encoding); + self + } + /// Compress responses with the given encoding, if the client supports it. + #[must_use] + pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self { + self.send_compression_encodings.enable(encoding); + self + } + /// Limits the maximum size of a decoded message. + /// + /// Default: `4MB` + #[must_use] + pub fn max_decoding_message_size(mut self, limit: usize) -> Self { + self.max_decoding_message_size = Some(limit); + self + } + /// Limits the maximum size of an encoded message. + /// + /// Default: `usize::MAX` + #[must_use] + pub fn max_encoding_message_size(mut self, limit: usize) -> Self { + self.max_encoding_message_size = Some(limit); + self + } + } + impl tonic::codegen::Service> for ClusterServiceServer + where + T: ClusterService, + B: Body + std::marker::Send + 'static, + B::Error: Into + std::marker::Send + 'static, + { + type Response = http::Response; + type Error = std::convert::Infallible; + type Future = BoxFuture; + fn poll_ready( + &mut self, + _cx: &mut Context<'_>, + ) -> Poll> { + Poll::Ready(Ok(())) + } + fn call(&mut self, req: http::Request) -> Self::Future { + match req.uri().path() { + "/sq.v1.ClusterService/ReplicateEntries" => { + #[allow(non_camel_case_types)] + struct ReplicateEntriesSvc(pub Arc); + impl< + T: ClusterService, + > tonic::server::UnaryService + for ReplicateEntriesSvc { + type Response = super::ReplicateEntriesResponse; + type Future = BoxFuture< + tonic::Response, + tonic::Status, + >; + fn call( + &mut self, + request: tonic::Request, + ) -> Self::Future { + let inner = Arc::clone(&self.0); + let fut = async move { + ::replicate_entries(&inner, request) + .await + }; + Box::pin(fut) + } + } + let accept_compression_encodings = self.accept_compression_encodings; + let send_compression_encodings = self.send_compression_encodings; + let max_decoding_message_size = self.max_decoding_message_size; + let max_encoding_message_size = self.max_encoding_message_size; + let inner = self.inner.clone(); + let fut = async move { + let method = ReplicateEntriesSvc(inner); + let codec = tonic_prost::ProstCodec::default(); + let mut grpc = tonic::server::Grpc::new(codec) + .apply_compression_config( + accept_compression_encodings, + send_compression_encodings, + ) + .apply_max_message_size_config( + max_decoding_message_size, + max_encoding_message_size, + ); + let res = grpc.unary(method, req).await; + Ok(res) + }; + Box::pin(fut) + } + "/sq.v1.ClusterService/Join" => { + #[allow(non_camel_case_types)] + struct JoinSvc(pub Arc); + impl< + T: ClusterService, + > tonic::server::UnaryService for JoinSvc { + type Response = super::JoinResponse; + type Future = BoxFuture< + tonic::Response, + tonic::Status, + >; + fn call( + &mut self, + request: tonic::Request, + ) -> Self::Future { + let inner = Arc::clone(&self.0); + let fut = async move { + ::join(&inner, request).await + }; + Box::pin(fut) + } + } + let accept_compression_encodings = self.accept_compression_encodings; + let send_compression_encodings = self.send_compression_encodings; + let max_decoding_message_size = self.max_decoding_message_size; + let max_encoding_message_size = self.max_encoding_message_size; + let inner = self.inner.clone(); + let fut = async move { + let method = JoinSvc(inner); + let codec = tonic_prost::ProstCodec::default(); + let mut grpc = tonic::server::Grpc::new(codec) + .apply_compression_config( + accept_compression_encodings, + send_compression_encodings, + ) + .apply_max_message_size_config( + max_decoding_message_size, + max_encoding_message_size, + ); + let res = grpc.unary(method, req).await; + Ok(res) + }; + Box::pin(fut) + } + "/sq.v1.ClusterService/Heartbeat" => { + #[allow(non_camel_case_types)] + struct HeartbeatSvc(pub Arc); + impl< + T: ClusterService, + > tonic::server::UnaryService + for HeartbeatSvc { + type Response = super::HeartbeatResponse; + type Future = BoxFuture< + tonic::Response, + tonic::Status, + >; + fn call( + &mut self, + request: tonic::Request, + ) -> Self::Future { + let inner = Arc::clone(&self.0); + let fut = async move { + ::heartbeat(&inner, request).await + }; + Box::pin(fut) + } + } + let accept_compression_encodings = self.accept_compression_encodings; + let send_compression_encodings = self.send_compression_encodings; + let max_decoding_message_size = self.max_decoding_message_size; + let max_encoding_message_size = self.max_encoding_message_size; + let inner = self.inner.clone(); + let fut = async move { + let method = HeartbeatSvc(inner); + let codec = tonic_prost::ProstCodec::default(); + let mut grpc = tonic::server::Grpc::new(codec) + .apply_compression_config( + accept_compression_encodings, + send_compression_encodings, + ) + .apply_max_message_size_config( + max_decoding_message_size, + max_encoding_message_size, + ); + let res = grpc.unary(method, req).await; + Ok(res) + }; + Box::pin(fut) + } + "/sq.v1.ClusterService/FetchSegment" => { + #[allow(non_camel_case_types)] + struct FetchSegmentSvc(pub Arc); + impl< + T: ClusterService, + > tonic::server::ServerStreamingService + for FetchSegmentSvc { + type Response = super::FetchSegmentResponse; + type ResponseStream = T::FetchSegmentStream; + type Future = BoxFuture< + tonic::Response, + tonic::Status, + >; + fn call( + &mut self, + request: tonic::Request, + ) -> Self::Future { + let inner = Arc::clone(&self.0); + let fut = async move { + ::fetch_segment(&inner, request).await + }; + Box::pin(fut) + } + } + let accept_compression_encodings = self.accept_compression_encodings; + let send_compression_encodings = self.send_compression_encodings; + let max_decoding_message_size = self.max_decoding_message_size; + let max_encoding_message_size = self.max_encoding_message_size; + let inner = self.inner.clone(); + let fut = async move { + let method = FetchSegmentSvc(inner); + let codec = tonic_prost::ProstCodec::default(); + let mut grpc = tonic::server::Grpc::new(codec) + .apply_compression_config( + accept_compression_encodings, + send_compression_encodings, + ) + .apply_max_message_size_config( + max_decoding_message_size, + max_encoding_message_size, + ); + let res = grpc.server_streaming(method, req).await; + Ok(res) + }; + Box::pin(fut) + } + _ => { + Box::pin(async move { + let mut response = http::Response::new( + tonic::body::Body::default(), + ); + let headers = response.headers_mut(); + headers + .insert( + tonic::Status::GRPC_STATUS, + (tonic::Code::Unimplemented as i32).into(), + ); + headers + .insert( + http::header::CONTENT_TYPE, + tonic::metadata::GRPC_CONTENT_TYPE, + ); + Ok(response) + }) + } + } + } + } + impl Clone for ClusterServiceServer { + fn clone(&self) -> Self { + let inner = self.inner.clone(); + Self { + inner, + accept_compression_encodings: self.accept_compression_encodings, + send_compression_encodings: self.send_compression_encodings, + max_decoding_message_size: self.max_decoding_message_size, + max_encoding_message_size: self.max_encoding_message_size, + } + } + } + /// Generated gRPC service name + pub const SERVICE_NAME: &str = "sq.v1.ClusterService"; + impl tonic::server::NamedService for ClusterServiceServer { + const NAME: &'static str = SERVICE_NAME; + } +} +/// Generated client implementations. +pub mod control_plane_service_client { + #![allow( + unused_variables, + dead_code, + missing_docs, + clippy::wildcard_imports, + clippy::let_unit_value, + )] + use tonic::codegen::*; + use tonic::codegen::http::Uri; + #[derive(Debug, Clone)] + pub struct ControlPlaneServiceClient { + inner: tonic::client::Grpc, + } + impl ControlPlaneServiceClient { + /// Attempt to create a new client by connecting to a given endpoint. + pub async fn connect(dst: D) -> Result + where + D: TryInto, + D::Error: Into, + { + let conn = tonic::transport::Endpoint::new(dst)?.connect().await?; + Ok(Self::new(conn)) + } + } + impl ControlPlaneServiceClient + where + T: tonic::client::GrpcService, + T::Error: Into, + T::ResponseBody: Body + std::marker::Send + 'static, + ::Error: Into + std::marker::Send, + { + pub fn new(inner: T) -> Self { + let inner = tonic::client::Grpc::new(inner); + Self { inner } + } + pub fn with_origin(inner: T, origin: Uri) -> Self { + let inner = tonic::client::Grpc::with_origin(inner, origin); + Self { inner } + } + pub fn with_interceptor( + inner: T, + interceptor: F, + ) -> ControlPlaneServiceClient> + where + F: tonic::service::Interceptor, + T::ResponseBody: Default, + T: tonic::codegen::Service< + http::Request, + Response = http::Response< + >::ResponseBody, + >, + >, + , + >>::Error: Into + std::marker::Send + std::marker::Sync, + { + ControlPlaneServiceClient::new(InterceptedService::new(inner, interceptor)) + } + /// Compress requests with the given encoding. + /// + /// This requires the server to support it otherwise it might respond with an + /// error. + #[must_use] + pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self { + self.inner = self.inner.send_compressed(encoding); + self + } + /// Enable decompressing responses. + #[must_use] + pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self { + self.inner = self.inner.accept_compressed(encoding); + self + } + /// Limits the maximum size of a decoded message. + /// + /// Default: `4MB` + #[must_use] + pub fn max_decoding_message_size(mut self, limit: usize) -> Self { + self.inner = self.inner.max_decoding_message_size(limit); + self + } + /// Limits the maximum size of an encoded message. + /// + /// Default: `usize::MAX` + #[must_use] + pub fn max_encoding_message_size(mut self, limit: usize) -> Self { + self.inner = self.inner.max_encoding_message_size(limit); + self + } + pub async fn create_topic( + &mut self, + request: impl tonic::IntoRequest, + ) -> std::result::Result< + tonic::Response, + tonic::Status, + > { + self.inner + .ready() + .await + .map_err(|e| { + tonic::Status::unknown( + format!("Service was not ready: {}", e.into()), + ) + })?; + let codec = tonic_prost::ProstCodec::default(); + let path = http::uri::PathAndQuery::from_static( + "/sq.v1.ControlPlaneService/CreateTopic", + ); + let mut req = request.into_request(); + req.extensions_mut() + .insert(GrpcMethod::new("sq.v1.ControlPlaneService", "CreateTopic")); + self.inner.unary(req, path, codec).await + } + pub async fn delete_topic( + &mut self, + request: impl tonic::IntoRequest, + ) -> std::result::Result< + tonic::Response, + tonic::Status, + > { + self.inner + .ready() + .await + .map_err(|e| { + tonic::Status::unknown( + format!("Service was not ready: {}", e.into()), + ) + })?; + let codec = tonic_prost::ProstCodec::default(); + let path = http::uri::PathAndQuery::from_static( + "/sq.v1.ControlPlaneService/DeleteTopic", + ); + let mut req = request.into_request(); + req.extensions_mut() + .insert(GrpcMethod::new("sq.v1.ControlPlaneService", "DeleteTopic")); + self.inner.unary(req, path, codec).await + } + pub async fn list_topics( + &mut self, + request: impl tonic::IntoRequest, + ) -> std::result::Result< + tonic::Response, + tonic::Status, + > { + self.inner + .ready() + .await + .map_err(|e| { + tonic::Status::unknown( + format!("Service was not ready: {}", e.into()), + ) + })?; + let codec = tonic_prost::ProstCodec::default(); + let path = http::uri::PathAndQuery::from_static( + "/sq.v1.ControlPlaneService/ListTopics", + ); + let mut req = request.into_request(); + req.extensions_mut() + .insert(GrpcMethod::new("sq.v1.ControlPlaneService", "ListTopics")); + self.inner.unary(req, path, codec).await + } + pub async fn describe_topic( + &mut self, + request: impl tonic::IntoRequest, + ) -> std::result::Result< + tonic::Response, + tonic::Status, + > { + self.inner + .ready() + .await + .map_err(|e| { + tonic::Status::unknown( + format!("Service was not ready: {}", e.into()), + ) + })?; + let codec = tonic_prost::ProstCodec::default(); + let path = http::uri::PathAndQuery::from_static( + "/sq.v1.ControlPlaneService/DescribeTopic", + ); + let mut req = request.into_request(); + req.extensions_mut() + .insert(GrpcMethod::new("sq.v1.ControlPlaneService", "DescribeTopic")); + self.inner.unary(req, path, codec).await + } + pub async fn create_consumer_group( + &mut self, + request: impl tonic::IntoRequest, + ) -> std::result::Result< + tonic::Response, + tonic::Status, + > { + self.inner + .ready() + .await + .map_err(|e| { + tonic::Status::unknown( + format!("Service was not ready: {}", e.into()), + ) + })?; + let codec = tonic_prost::ProstCodec::default(); + let path = http::uri::PathAndQuery::from_static( + "/sq.v1.ControlPlaneService/CreateConsumerGroup", + ); + let mut req = request.into_request(); + req.extensions_mut() + .insert( + GrpcMethod::new("sq.v1.ControlPlaneService", "CreateConsumerGroup"), + ); + self.inner.unary(req, path, codec).await + } + } +} +/// Generated server implementations. +pub mod control_plane_service_server { + #![allow( + unused_variables, + dead_code, + missing_docs, + clippy::wildcard_imports, + clippy::let_unit_value, + )] + use tonic::codegen::*; + /// Generated trait containing gRPC methods that should be implemented for use with ControlPlaneServiceServer. + #[async_trait] + pub trait ControlPlaneService: std::marker::Send + std::marker::Sync + 'static { + async fn create_topic( + &self, + request: tonic::Request, + ) -> std::result::Result< + tonic::Response, + tonic::Status, + >; + async fn delete_topic( + &self, + request: tonic::Request, + ) -> std::result::Result< + tonic::Response, + tonic::Status, + >; + async fn list_topics( + &self, + request: tonic::Request, + ) -> std::result::Result< + tonic::Response, + tonic::Status, + >; + async fn describe_topic( + &self, + request: tonic::Request, + ) -> std::result::Result< + tonic::Response, + tonic::Status, + >; + async fn create_consumer_group( + &self, + request: tonic::Request, + ) -> std::result::Result< + tonic::Response, + tonic::Status, + >; + } + #[derive(Debug)] + pub struct ControlPlaneServiceServer { + inner: Arc, + accept_compression_encodings: EnabledCompressionEncodings, + send_compression_encodings: EnabledCompressionEncodings, + max_decoding_message_size: Option, + max_encoding_message_size: Option, + } + impl ControlPlaneServiceServer { + pub fn new(inner: T) -> Self { + Self::from_arc(Arc::new(inner)) + } + pub fn from_arc(inner: Arc) -> Self { + Self { + inner, + accept_compression_encodings: Default::default(), + send_compression_encodings: Default::default(), + max_decoding_message_size: None, + max_encoding_message_size: None, + } + } + pub fn with_interceptor( + inner: T, + interceptor: F, + ) -> InterceptedService + where + F: tonic::service::Interceptor, + { + InterceptedService::new(Self::new(inner), interceptor) + } + /// Enable decompressing requests with the given encoding. + #[must_use] + pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self { + self.accept_compression_encodings.enable(encoding); + self + } + /// Compress responses with the given encoding, if the client supports it. + #[must_use] + pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self { + self.send_compression_encodings.enable(encoding); + self + } + /// Limits the maximum size of a decoded message. + /// + /// Default: `4MB` + #[must_use] + pub fn max_decoding_message_size(mut self, limit: usize) -> Self { + self.max_decoding_message_size = Some(limit); + self + } + /// Limits the maximum size of an encoded message. + /// + /// Default: `usize::MAX` + #[must_use] + pub fn max_encoding_message_size(mut self, limit: usize) -> Self { + self.max_encoding_message_size = Some(limit); + self + } + } + impl tonic::codegen::Service> for ControlPlaneServiceServer + where + T: ControlPlaneService, + B: Body + std::marker::Send + 'static, + B::Error: Into + std::marker::Send + 'static, + { + type Response = http::Response; + type Error = std::convert::Infallible; + type Future = BoxFuture; + fn poll_ready( + &mut self, + _cx: &mut Context<'_>, + ) -> Poll> { + Poll::Ready(Ok(())) + } + fn call(&mut self, req: http::Request) -> Self::Future { + match req.uri().path() { + "/sq.v1.ControlPlaneService/CreateTopic" => { + #[allow(non_camel_case_types)] + struct CreateTopicSvc(pub Arc); + impl< + T: ControlPlaneService, + > tonic::server::UnaryService + for CreateTopicSvc { + type Response = super::CreateTopicResponse; + type Future = BoxFuture< + tonic::Response, + tonic::Status, + >; + fn call( + &mut self, + request: tonic::Request, + ) -> Self::Future { + let inner = Arc::clone(&self.0); + let fut = async move { + ::create_topic(&inner, request) + .await + }; + Box::pin(fut) + } + } + let accept_compression_encodings = self.accept_compression_encodings; + let send_compression_encodings = self.send_compression_encodings; + let max_decoding_message_size = self.max_decoding_message_size; + let max_encoding_message_size = self.max_encoding_message_size; + let inner = self.inner.clone(); + let fut = async move { + let method = CreateTopicSvc(inner); + let codec = tonic_prost::ProstCodec::default(); + let mut grpc = tonic::server::Grpc::new(codec) + .apply_compression_config( + accept_compression_encodings, + send_compression_encodings, + ) + .apply_max_message_size_config( + max_decoding_message_size, + max_encoding_message_size, + ); + let res = grpc.unary(method, req).await; + Ok(res) + }; + Box::pin(fut) + } + "/sq.v1.ControlPlaneService/DeleteTopic" => { + #[allow(non_camel_case_types)] + struct DeleteTopicSvc(pub Arc); + impl< + T: ControlPlaneService, + > tonic::server::UnaryService + for DeleteTopicSvc { + type Response = super::DeleteTopicResponse; + type Future = BoxFuture< + tonic::Response, + tonic::Status, + >; + fn call( + &mut self, + request: tonic::Request, + ) -> Self::Future { + let inner = Arc::clone(&self.0); + let fut = async move { + ::delete_topic(&inner, request) + .await + }; + Box::pin(fut) + } + } + let accept_compression_encodings = self.accept_compression_encodings; + let send_compression_encodings = self.send_compression_encodings; + let max_decoding_message_size = self.max_decoding_message_size; + let max_encoding_message_size = self.max_encoding_message_size; + let inner = self.inner.clone(); + let fut = async move { + let method = DeleteTopicSvc(inner); + let codec = tonic_prost::ProstCodec::default(); + let mut grpc = tonic::server::Grpc::new(codec) + .apply_compression_config( + accept_compression_encodings, + send_compression_encodings, + ) + .apply_max_message_size_config( + max_decoding_message_size, + max_encoding_message_size, + ); + let res = grpc.unary(method, req).await; + Ok(res) + }; + Box::pin(fut) + } + "/sq.v1.ControlPlaneService/ListTopics" => { + #[allow(non_camel_case_types)] + struct ListTopicsSvc(pub Arc); + impl< + T: ControlPlaneService, + > tonic::server::UnaryService + for ListTopicsSvc { + type Response = super::ListTopicsResponse; + type Future = BoxFuture< + tonic::Response, + tonic::Status, + >; + fn call( + &mut self, + request: tonic::Request, + ) -> Self::Future { + let inner = Arc::clone(&self.0); + let fut = async move { + ::list_topics(&inner, request) + .await + }; + Box::pin(fut) + } + } + let accept_compression_encodings = self.accept_compression_encodings; + let send_compression_encodings = self.send_compression_encodings; + let max_decoding_message_size = self.max_decoding_message_size; + let max_encoding_message_size = self.max_encoding_message_size; + let inner = self.inner.clone(); + let fut = async move { + let method = ListTopicsSvc(inner); + let codec = tonic_prost::ProstCodec::default(); + let mut grpc = tonic::server::Grpc::new(codec) + .apply_compression_config( + accept_compression_encodings, + send_compression_encodings, + ) + .apply_max_message_size_config( + max_decoding_message_size, + max_encoding_message_size, + ); + let res = grpc.unary(method, req).await; + Ok(res) + }; + Box::pin(fut) + } + "/sq.v1.ControlPlaneService/DescribeTopic" => { + #[allow(non_camel_case_types)] + struct DescribeTopicSvc(pub Arc); + impl< + T: ControlPlaneService, + > tonic::server::UnaryService + for DescribeTopicSvc { + type Response = super::DescribeTopicResponse; + type Future = BoxFuture< + tonic::Response, + tonic::Status, + >; + fn call( + &mut self, + request: tonic::Request, + ) -> Self::Future { + let inner = Arc::clone(&self.0); + let fut = async move { + ::describe_topic(&inner, request) + .await + }; + Box::pin(fut) + } + } + let accept_compression_encodings = self.accept_compression_encodings; + let send_compression_encodings = self.send_compression_encodings; + let max_decoding_message_size = self.max_decoding_message_size; + let max_encoding_message_size = self.max_encoding_message_size; + let inner = self.inner.clone(); + let fut = async move { + let method = DescribeTopicSvc(inner); + let codec = tonic_prost::ProstCodec::default(); + let mut grpc = tonic::server::Grpc::new(codec) + .apply_compression_config( + accept_compression_encodings, + send_compression_encodings, + ) + .apply_max_message_size_config( + max_decoding_message_size, + max_encoding_message_size, + ); + let res = grpc.unary(method, req).await; + Ok(res) + }; + Box::pin(fut) + } + "/sq.v1.ControlPlaneService/CreateConsumerGroup" => { + #[allow(non_camel_case_types)] + struct CreateConsumerGroupSvc(pub Arc); + impl< + T: ControlPlaneService, + > tonic::server::UnaryService + for CreateConsumerGroupSvc { + type Response = super::CreateConsumerGroupResponse; + type Future = BoxFuture< + tonic::Response, + tonic::Status, + >; + fn call( + &mut self, + request: tonic::Request, + ) -> Self::Future { + let inner = Arc::clone(&self.0); + let fut = async move { + ::create_consumer_group( + &inner, + request, + ) + .await + }; + Box::pin(fut) + } + } + let accept_compression_encodings = self.accept_compression_encodings; + let send_compression_encodings = self.send_compression_encodings; + let max_decoding_message_size = self.max_decoding_message_size; + let max_encoding_message_size = self.max_encoding_message_size; + let inner = self.inner.clone(); + let fut = async move { + let method = CreateConsumerGroupSvc(inner); + let codec = tonic_prost::ProstCodec::default(); + let mut grpc = tonic::server::Grpc::new(codec) + .apply_compression_config( + accept_compression_encodings, + send_compression_encodings, + ) + .apply_max_message_size_config( + max_decoding_message_size, + max_encoding_message_size, + ); + let res = grpc.unary(method, req).await; + Ok(res) + }; + Box::pin(fut) + } + _ => { + Box::pin(async move { + let mut response = http::Response::new( + tonic::body::Body::default(), + ); + let headers = response.headers_mut(); + headers + .insert( + tonic::Status::GRPC_STATUS, + (tonic::Code::Unimplemented as i32).into(), + ); + headers + .insert( + http::header::CONTENT_TYPE, + tonic::metadata::GRPC_CONTENT_TYPE, + ); + Ok(response) + }) + } + } + } + } + impl Clone for ControlPlaneServiceServer { + fn clone(&self) -> Self { + let inner = self.inner.clone(); + Self { + inner, + accept_compression_encodings: self.accept_compression_encodings, + send_compression_encodings: self.send_compression_encodings, + max_decoding_message_size: self.max_decoding_message_size, + max_encoding_message_size: self.max_encoding_message_size, + } + } + } + /// Generated gRPC service name + pub const SERVICE_NAME: &str = "sq.v1.ControlPlaneService"; + impl tonic::server::NamedService for ControlPlaneServiceServer { + const NAME: &'static str = SERVICE_NAME; + } +} +/// Generated client implementations. +pub mod data_plane_service_client { + #![allow( + unused_variables, + dead_code, + missing_docs, + clippy::wildcard_imports, + clippy::let_unit_value, + )] + use tonic::codegen::*; + use tonic::codegen::http::Uri; + #[derive(Debug, Clone)] + pub struct DataPlaneServiceClient { + inner: tonic::client::Grpc, + } + impl DataPlaneServiceClient { + /// Attempt to create a new client by connecting to a given endpoint. + pub async fn connect(dst: D) -> Result + where + D: TryInto, + D::Error: Into, + { + let conn = tonic::transport::Endpoint::new(dst)?.connect().await?; + Ok(Self::new(conn)) + } + } + impl DataPlaneServiceClient + where + T: tonic::client::GrpcService, + T::Error: Into, + T::ResponseBody: Body + std::marker::Send + 'static, + ::Error: Into + std::marker::Send, + { + pub fn new(inner: T) -> Self { + let inner = tonic::client::Grpc::new(inner); + Self { inner } + } + pub fn with_origin(inner: T, origin: Uri) -> Self { + let inner = tonic::client::Grpc::with_origin(inner, origin); + Self { inner } + } + pub fn with_interceptor( + inner: T, + interceptor: F, + ) -> DataPlaneServiceClient> + where + F: tonic::service::Interceptor, + T::ResponseBody: Default, + T: tonic::codegen::Service< + http::Request, + Response = http::Response< + >::ResponseBody, + >, + >, + , + >>::Error: Into + std::marker::Send + std::marker::Sync, + { + DataPlaneServiceClient::new(InterceptedService::new(inner, interceptor)) + } + /// Compress requests with the given encoding. + /// + /// This requires the server to support it otherwise it might respond with an + /// error. + #[must_use] + pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self { + self.inner = self.inner.send_compressed(encoding); + self + } + /// Enable decompressing responses. + #[must_use] + pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self { + self.inner = self.inner.accept_compressed(encoding); + self + } + /// Limits the maximum size of a decoded message. + /// + /// Default: `4MB` + #[must_use] + pub fn max_decoding_message_size(mut self, limit: usize) -> Self { + self.inner = self.inner.max_decoding_message_size(limit); + self + } + /// Limits the maximum size of an encoded message. + /// + /// Default: `usize::MAX` + #[must_use] + pub fn max_encoding_message_size(mut self, limit: usize) -> Self { + self.inner = self.inner.max_encoding_message_size(limit); + self + } + pub async fn publish( + &mut self, + request: impl tonic::IntoRequest, + ) -> std::result::Result< + tonic::Response, + tonic::Status, + > { + self.inner + .ready() + .await + .map_err(|e| { + tonic::Status::unknown( + format!("Service was not ready: {}", e.into()), + ) + })?; + let codec = tonic_prost::ProstCodec::default(); + let path = http::uri::PathAndQuery::from_static( + "/sq.v1.DataPlaneService/Publish", + ); + let mut req = request.into_request(); + req.extensions_mut() + .insert(GrpcMethod::new("sq.v1.DataPlaneService", "Publish")); + self.inner.unary(req, path, codec).await + } + pub async fn subscribe( + &mut self, + request: impl tonic::IntoRequest, + ) -> std::result::Result< + tonic::Response>, + tonic::Status, + > { + self.inner + .ready() + .await + .map_err(|e| { + tonic::Status::unknown( + format!("Service was not ready: {}", e.into()), + ) + })?; + let codec = tonic_prost::ProstCodec::default(); + let path = http::uri::PathAndQuery::from_static( + "/sq.v1.DataPlaneService/Subscribe", + ); + let mut req = request.into_request(); + req.extensions_mut() + .insert(GrpcMethod::new("sq.v1.DataPlaneService", "Subscribe")); + self.inner.server_streaming(req, path, codec).await + } + pub async fn ack( + &mut self, + request: impl tonic::IntoRequest, + ) -> std::result::Result, tonic::Status> { + self.inner + .ready() + .await + .map_err(|e| { + tonic::Status::unknown( + format!("Service was not ready: {}", e.into()), + ) + })?; + let codec = tonic_prost::ProstCodec::default(); + let path = http::uri::PathAndQuery::from_static( + "/sq.v1.DataPlaneService/Ack", + ); + let mut req = request.into_request(); + req.extensions_mut() + .insert(GrpcMethod::new("sq.v1.DataPlaneService", "Ack")); + self.inner.unary(req, path, codec).await + } + } +} +/// Generated server implementations. +pub mod data_plane_service_server { + #![allow( + unused_variables, + dead_code, + missing_docs, + clippy::wildcard_imports, + clippy::let_unit_value, + )] + use tonic::codegen::*; + /// Generated trait containing gRPC methods that should be implemented for use with DataPlaneServiceServer. + #[async_trait] + pub trait DataPlaneService: std::marker::Send + std::marker::Sync + 'static { + async fn publish( + &self, + request: tonic::Request, + ) -> std::result::Result, tonic::Status>; + /// Server streaming response type for the Subscribe method. + type SubscribeStream: tonic::codegen::tokio_stream::Stream< + Item = std::result::Result, + > + + std::marker::Send + + 'static; + async fn subscribe( + &self, + request: tonic::Request, + ) -> std::result::Result, tonic::Status>; + async fn ack( + &self, + request: tonic::Request, + ) -> std::result::Result, tonic::Status>; + } + #[derive(Debug)] + pub struct DataPlaneServiceServer { + inner: Arc, + accept_compression_encodings: EnabledCompressionEncodings, + send_compression_encodings: EnabledCompressionEncodings, + max_decoding_message_size: Option, + max_encoding_message_size: Option, + } + impl DataPlaneServiceServer { + pub fn new(inner: T) -> Self { + Self::from_arc(Arc::new(inner)) + } + pub fn from_arc(inner: Arc) -> Self { + Self { + inner, + accept_compression_encodings: Default::default(), + send_compression_encodings: Default::default(), + max_decoding_message_size: None, + max_encoding_message_size: None, + } + } + pub fn with_interceptor( + inner: T, + interceptor: F, + ) -> InterceptedService + where + F: tonic::service::Interceptor, + { + InterceptedService::new(Self::new(inner), interceptor) + } + /// Enable decompressing requests with the given encoding. + #[must_use] + pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self { + self.accept_compression_encodings.enable(encoding); + self + } + /// Compress responses with the given encoding, if the client supports it. + #[must_use] + pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self { + self.send_compression_encodings.enable(encoding); + self + } + /// Limits the maximum size of a decoded message. + /// + /// Default: `4MB` + #[must_use] + pub fn max_decoding_message_size(mut self, limit: usize) -> Self { + self.max_decoding_message_size = Some(limit); + self + } + /// Limits the maximum size of an encoded message. + /// + /// Default: `usize::MAX` + #[must_use] + pub fn max_encoding_message_size(mut self, limit: usize) -> Self { + self.max_encoding_message_size = Some(limit); + self + } + } + impl tonic::codegen::Service> for DataPlaneServiceServer + where + T: DataPlaneService, + B: Body + std::marker::Send + 'static, + B::Error: Into + std::marker::Send + 'static, + { + type Response = http::Response; + type Error = std::convert::Infallible; + type Future = BoxFuture; + fn poll_ready( + &mut self, + _cx: &mut Context<'_>, + ) -> Poll> { + Poll::Ready(Ok(())) + } + fn call(&mut self, req: http::Request) -> Self::Future { + match req.uri().path() { + "/sq.v1.DataPlaneService/Publish" => { + #[allow(non_camel_case_types)] + struct PublishSvc(pub Arc); + impl< + T: DataPlaneService, + > tonic::server::UnaryService + for PublishSvc { + type Response = super::PublishResponse; + type Future = BoxFuture< + tonic::Response, + tonic::Status, + >; + fn call( + &mut self, + request: tonic::Request, + ) -> Self::Future { + let inner = Arc::clone(&self.0); + let fut = async move { + ::publish(&inner, request).await + }; + Box::pin(fut) + } + } + let accept_compression_encodings = self.accept_compression_encodings; + let send_compression_encodings = self.send_compression_encodings; + let max_decoding_message_size = self.max_decoding_message_size; + let max_encoding_message_size = self.max_encoding_message_size; + let inner = self.inner.clone(); + let fut = async move { + let method = PublishSvc(inner); + let codec = tonic_prost::ProstCodec::default(); + let mut grpc = tonic::server::Grpc::new(codec) + .apply_compression_config( + accept_compression_encodings, + send_compression_encodings, + ) + .apply_max_message_size_config( + max_decoding_message_size, + max_encoding_message_size, + ); + let res = grpc.unary(method, req).await; + Ok(res) + }; + Box::pin(fut) + } + "/sq.v1.DataPlaneService/Subscribe" => { + #[allow(non_camel_case_types)] + struct SubscribeSvc(pub Arc); + impl< + T: DataPlaneService, + > tonic::server::ServerStreamingService + for SubscribeSvc { + type Response = super::SubscribeResponse; + type ResponseStream = T::SubscribeStream; + type Future = BoxFuture< + tonic::Response, + tonic::Status, + >; + fn call( + &mut self, + request: tonic::Request, + ) -> Self::Future { + let inner = Arc::clone(&self.0); + let fut = async move { + ::subscribe(&inner, request).await + }; + Box::pin(fut) + } + } + let accept_compression_encodings = self.accept_compression_encodings; + let send_compression_encodings = self.send_compression_encodings; + let max_decoding_message_size = self.max_decoding_message_size; + let max_encoding_message_size = self.max_encoding_message_size; + let inner = self.inner.clone(); + let fut = async move { + let method = SubscribeSvc(inner); + let codec = tonic_prost::ProstCodec::default(); + let mut grpc = tonic::server::Grpc::new(codec) + .apply_compression_config( + accept_compression_encodings, + send_compression_encodings, + ) + .apply_max_message_size_config( + max_decoding_message_size, + max_encoding_message_size, + ); + let res = grpc.server_streaming(method, req).await; + Ok(res) + }; + Box::pin(fut) + } + "/sq.v1.DataPlaneService/Ack" => { + #[allow(non_camel_case_types)] + struct AckSvc(pub Arc); + impl< + T: DataPlaneService, + > tonic::server::UnaryService for AckSvc { + type Response = super::AckResponse; + type Future = BoxFuture< + tonic::Response, + tonic::Status, + >; + fn call( + &mut self, + request: tonic::Request, + ) -> Self::Future { + let inner = Arc::clone(&self.0); + let fut = async move { + ::ack(&inner, request).await + }; + Box::pin(fut) + } + } + let accept_compression_encodings = self.accept_compression_encodings; + let send_compression_encodings = self.send_compression_encodings; + let max_decoding_message_size = self.max_decoding_message_size; + let max_encoding_message_size = self.max_encoding_message_size; + let inner = self.inner.clone(); + let fut = async move { + let method = AckSvc(inner); + let codec = tonic_prost::ProstCodec::default(); + let mut grpc = tonic::server::Grpc::new(codec) + .apply_compression_config( + accept_compression_encodings, + send_compression_encodings, + ) + .apply_max_message_size_config( + max_decoding_message_size, + max_encoding_message_size, + ); + let res = grpc.unary(method, req).await; + Ok(res) + }; + Box::pin(fut) + } + _ => { + Box::pin(async move { + let mut response = http::Response::new( + tonic::body::Body::default(), + ); + let headers = response.headers_mut(); + headers + .insert( + tonic::Status::GRPC_STATUS, + (tonic::Code::Unimplemented as i32).into(), + ); + headers + .insert( + http::header::CONTENT_TYPE, + tonic::metadata::GRPC_CONTENT_TYPE, + ); + Ok(response) + }) + } + } + } + } + impl Clone for DataPlaneServiceServer { + fn clone(&self) -> Self { + let inner = self.inner.clone(); + Self { + inner, + accept_compression_encodings: self.accept_compression_encodings, + send_compression_encodings: self.send_compression_encodings, + max_decoding_message_size: self.max_decoding_message_size, + max_encoding_message_size: self.max_encoding_message_size, + } + } + } + /// Generated gRPC service name + pub const SERVICE_NAME: &str = "sq.v1.DataPlaneService"; + impl tonic::server::NamedService for DataPlaneServiceServer { + const NAME: &'static str = SERVICE_NAME; + } +} +/// Generated client implementations. +pub mod status_service_client { + #![allow( + unused_variables, + dead_code, + missing_docs, + clippy::wildcard_imports, + clippy::let_unit_value, + )] + use tonic::codegen::*; + use tonic::codegen::http::Uri; + #[derive(Debug, Clone)] + pub struct StatusServiceClient { + inner: tonic::client::Grpc, + } + impl StatusServiceClient { + /// Attempt to create a new client by connecting to a given endpoint. + pub async fn connect(dst: D) -> Result + where + D: TryInto, + D::Error: Into, + { + let conn = tonic::transport::Endpoint::new(dst)?.connect().await?; + Ok(Self::new(conn)) + } + } + impl StatusServiceClient + where + T: tonic::client::GrpcService, + T::Error: Into, + T::ResponseBody: Body + std::marker::Send + 'static, + ::Error: Into + std::marker::Send, + { + pub fn new(inner: T) -> Self { + let inner = tonic::client::Grpc::new(inner); + Self { inner } + } + pub fn with_origin(inner: T, origin: Uri) -> Self { + let inner = tonic::client::Grpc::with_origin(inner, origin); + Self { inner } + } + pub fn with_interceptor( + inner: T, + interceptor: F, + ) -> StatusServiceClient> + where + F: tonic::service::Interceptor, + T::ResponseBody: Default, + T: tonic::codegen::Service< + http::Request, + Response = http::Response< + >::ResponseBody, + >, + >, + , + >>::Error: Into + std::marker::Send + std::marker::Sync, + { + StatusServiceClient::new(InterceptedService::new(inner, interceptor)) + } + /// Compress requests with the given encoding. + /// + /// This requires the server to support it otherwise it might respond with an + /// error. + #[must_use] + pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self { + self.inner = self.inner.send_compressed(encoding); + self + } + /// Enable decompressing responses. + #[must_use] + pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self { + self.inner = self.inner.accept_compressed(encoding); + self + } + /// Limits the maximum size of a decoded message. + /// + /// Default: `4MB` + #[must_use] + pub fn max_decoding_message_size(mut self, limit: usize) -> Self { + self.inner = self.inner.max_decoding_message_size(limit); + self + } + /// Limits the maximum size of an encoded message. + /// + /// Default: `usize::MAX` + #[must_use] + pub fn max_encoding_message_size(mut self, limit: usize) -> Self { + self.inner = self.inner.max_encoding_message_size(limit); + self + } + pub async fn status( + &mut self, + request: impl tonic::IntoRequest, + ) -> std::result::Result< + tonic::Response, + tonic::Status, + > { + self.inner + .ready() + .await + .map_err(|e| { + tonic::Status::unknown( + format!("Service was not ready: {}", e.into()), + ) + })?; + let codec = tonic_prost::ProstCodec::default(); + let path = http::uri::PathAndQuery::from_static( + "/sq.v1.StatusService/Status", + ); + let mut req = request.into_request(); + req.extensions_mut() + .insert(GrpcMethod::new("sq.v1.StatusService", "Status")); + self.inner.unary(req, path, codec).await + } + } +} +/// Generated server implementations. +pub mod status_service_server { + #![allow( + unused_variables, + dead_code, + missing_docs, + clippy::wildcard_imports, + clippy::let_unit_value, + )] + use tonic::codegen::*; + /// Generated trait containing gRPC methods that should be implemented for use with StatusServiceServer. + #[async_trait] + pub trait StatusService: std::marker::Send + std::marker::Sync + 'static { + async fn status( + &self, + request: tonic::Request, + ) -> std::result::Result< + tonic::Response, + tonic::Status, + >; + } + #[derive(Debug)] + pub struct StatusServiceServer { + inner: Arc, + accept_compression_encodings: EnabledCompressionEncodings, + send_compression_encodings: EnabledCompressionEncodings, + max_decoding_message_size: Option, + max_encoding_message_size: Option, + } + impl StatusServiceServer { + pub fn new(inner: T) -> Self { + Self::from_arc(Arc::new(inner)) + } + pub fn from_arc(inner: Arc) -> Self { + Self { + inner, + accept_compression_encodings: Default::default(), + send_compression_encodings: Default::default(), + max_decoding_message_size: None, + max_encoding_message_size: None, + } + } + pub fn with_interceptor( + inner: T, + interceptor: F, + ) -> InterceptedService + where + F: tonic::service::Interceptor, + { + InterceptedService::new(Self::new(inner), interceptor) + } + /// Enable decompressing requests with the given encoding. + #[must_use] + pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self { + self.accept_compression_encodings.enable(encoding); + self + } + /// Compress responses with the given encoding, if the client supports it. + #[must_use] + pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self { + self.send_compression_encodings.enable(encoding); + self + } + /// Limits the maximum size of a decoded message. + /// + /// Default: `4MB` + #[must_use] + pub fn max_decoding_message_size(mut self, limit: usize) -> Self { + self.max_decoding_message_size = Some(limit); + self + } + /// Limits the maximum size of an encoded message. + /// + /// Default: `usize::MAX` + #[must_use] + pub fn max_encoding_message_size(mut self, limit: usize) -> Self { + self.max_encoding_message_size = Some(limit); + self + } + } + impl tonic::codegen::Service> for StatusServiceServer + where + T: StatusService, + B: Body + std::marker::Send + 'static, + B::Error: Into + std::marker::Send + 'static, + { + type Response = http::Response; + type Error = std::convert::Infallible; + type Future = BoxFuture; + fn poll_ready( + &mut self, + _cx: &mut Context<'_>, + ) -> Poll> { + Poll::Ready(Ok(())) + } + fn call(&mut self, req: http::Request) -> Self::Future { + match req.uri().path() { + "/sq.v1.StatusService/Status" => { + #[allow(non_camel_case_types)] + struct StatusSvc(pub Arc); + impl< + T: StatusService, + > tonic::server::UnaryService + for StatusSvc { + type Response = super::GetStatusResponse; + type Future = BoxFuture< + tonic::Response, + tonic::Status, + >; + fn call( + &mut self, + request: tonic::Request, + ) -> Self::Future { + let inner = Arc::clone(&self.0); + let fut = async move { + ::status(&inner, request).await + }; + Box::pin(fut) + } + } + let accept_compression_encodings = self.accept_compression_encodings; + let send_compression_encodings = self.send_compression_encodings; + let max_decoding_message_size = self.max_decoding_message_size; + let max_encoding_message_size = self.max_encoding_message_size; + let inner = self.inner.clone(); + let fut = async move { + let method = StatusSvc(inner); + let codec = tonic_prost::ProstCodec::default(); + let mut grpc = tonic::server::Grpc::new(codec) + .apply_compression_config( + accept_compression_encodings, + send_compression_encodings, + ) + .apply_max_message_size_config( + max_decoding_message_size, + max_encoding_message_size, + ); + let res = grpc.unary(method, req).await; + Ok(res) + }; + Box::pin(fut) + } + _ => { + Box::pin(async move { + let mut response = http::Response::new( + tonic::body::Body::default(), + ); + let headers = response.headers_mut(); + headers + .insert( + tonic::Status::GRPC_STATUS, + (tonic::Code::Unimplemented as i32).into(), + ); + headers + .insert( + http::header::CONTENT_TYPE, + tonic::metadata::GRPC_CONTENT_TYPE, + ); + Ok(response) + }) + } + } + } + } + impl Clone for StatusServiceServer { + fn clone(&self) -> Self { + let inner = self.inner.clone(); + Self { + inner, + accept_compression_encodings: self.accept_compression_encodings, + send_compression_encodings: self.send_compression_encodings, + max_decoding_message_size: self.max_decoding_message_size, + max_encoding_message_size: self.max_encoding_message_size, + } + } + } + /// Generated gRPC service name + pub const SERVICE_NAME: &str = "sq.v1.StatusService"; + impl tonic::server::NamedService for StatusServiceServer { + const NAME: &'static str = SERVICE_NAME; + } +} diff --git a/crates/sq-models/src/config.rs b/crates/sq-models/src/config.rs new file mode 100644 index 0000000..3243ed1 --- /dev/null +++ b/crates/sq-models/src/config.rs @@ -0,0 +1,118 @@ +use std::path::PathBuf; +use std::time::Duration; + +use crate::message::TopicName; + +/// Controls when fsync is called on WAL segment files. +#[derive(Clone, Debug, PartialEq)] +pub enum SyncPolicy { + /// Fsync after every write batch (maximum durability, lower throughput). + EveryBatch, + /// Fsync at a fixed interval via a background task. Writes go to OS page + /// cache immediately. Data written within the interval window is at risk + /// if the machine crashes without replication. + Interval(Duration), + /// Never explicitly fsync. Rely on OS page cache flush + replication. + /// Similar to Kafka's default. + None, +} + +impl Default for SyncPolicy { + fn default() -> Self { + SyncPolicy::EveryBatch + } +} + +/// Configuration for the Write-Ahead Log. +#[derive(Clone, Debug)] +pub struct WalConfig { + /// Maximum segment file size in bytes before rotation (default: 64MB). + pub max_segment_bytes: u64, + /// Maximum segment age in seconds before rotation (default: 60s). + pub max_segment_age_secs: u64, + /// Root data directory for WAL files. + pub data_dir: PathBuf, + /// When to fsync WAL segments (default: EveryBatch). + pub sync_policy: SyncPolicy, +} + +impl Default for WalConfig { + fn default() -> Self { + Self { + max_segment_bytes: 64 * 1024 * 1024, // 64MB + max_segment_age_secs: 60, + data_dir: PathBuf::from("./data"), + sync_policy: SyncPolicy::default(), + } + } +} + +/// Configuration for a topic. +#[derive(Clone, Debug)] +pub struct TopicConfig { + pub name: TopicName, + /// Number of partitions (default: 1). + pub partitions: u32, + /// Replication factor across cluster nodes (default: 3). + pub replication_factor: u32, +} + +impl TopicConfig { + pub fn new(name: impl Into) -> Self { + Self { + name: name.into(), + partitions: 1, + replication_factor: 3, + } + } + + pub fn with_partitions(mut self, partitions: u32) -> Self { + self.partitions = partitions; + self + } + + pub fn with_replication_factor(mut self, factor: u32) -> Self { + self.replication_factor = factor; + self + } +} + +/// Configuration for the cluster node. +#[derive(Clone, Debug)] +pub struct NodeConfig { + pub node_id: String, + pub grpc_host: std::net::SocketAddr, + pub http_host: std::net::SocketAddr, + pub seeds: Vec, +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn test_wal_config_defaults() { + let config = WalConfig::default(); + assert_eq!(config.max_segment_bytes, 64 * 1024 * 1024); + assert_eq!(config.max_segment_age_secs, 60); + assert_eq!(config.data_dir, PathBuf::from("./data")); + } + + #[test] + fn test_topic_config_builder() { + let config = TopicConfig::new("orders") + .with_partitions(4) + .with_replication_factor(3); + + assert_eq!(config.name.as_str(), "orders"); + assert_eq!(config.partitions, 4); + assert_eq!(config.replication_factor, 3); + } + + #[test] + fn test_topic_config_defaults() { + let config = TopicConfig::new("events"); + assert_eq!(config.partitions, 1); + assert_eq!(config.replication_factor, 3); + } +} diff --git a/crates/sq-models/src/lib.rs b/crates/sq-models/src/lib.rs index e69de29..2ae8d1c 100644 --- a/crates/sq-models/src/lib.rs +++ b/crates/sq-models/src/lib.rs @@ -0,0 +1,5 @@ +pub mod config; +pub mod message; + +pub use config::*; +pub use message::*; diff --git a/crates/sq-models/src/message.rs b/crates/sq-models/src/message.rs new file mode 100644 index 0000000..397e43a --- /dev/null +++ b/crates/sq-models/src/message.rs @@ -0,0 +1,195 @@ +use std::fmt; + +/// A single message in the queue. +#[derive(Clone, Debug, PartialEq)] +pub struct Message { + /// Monotonically increasing within a topic-partition. Assigned by the server. + pub offset: u64, + /// Topic this message belongs to. + pub topic: TopicName, + /// Partition within the topic. + pub partition: u32, + /// Optional partitioning key. + pub key: Option>, + /// The payload. + pub value: Vec, + /// User-defined headers (metadata). + pub headers: Vec
, + /// Server-assigned wall-clock timestamp (millis since epoch). + pub timestamp_ms: u64, +} + +/// A key-value header attached to a message. +#[derive(Clone, Debug, PartialEq)] +pub struct Header { + pub key: String, + pub value: Vec, +} + +/// A topic name wrapper. +#[derive(Clone, Debug, PartialEq, Eq, Hash, PartialOrd, Ord)] +pub struct TopicName(pub String); + +impl TopicName { + pub fn as_str(&self) -> &str { + &self.0 + } +} + +impl fmt::Display for TopicName { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + f.write_str(&self.0) + } +} + +impl From<&str> for TopicName { + fn from(s: &str) -> Self { + Self(s.to_string()) + } +} + +impl From for TopicName { + fn from(s: String) -> Self { + Self(s) + } +} + +/// Information about a closed WAL segment ready for shipping. +#[derive(Clone, Debug)] +pub struct ClosedSegment { + pub path: std::path::PathBuf, + pub topic: TopicName, + pub partition: u32, + pub base_offset: u64, + pub end_offset: u64, + pub size_bytes: u64, +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn test_message_construction() { + let msg = Message { + offset: 42, + topic: TopicName::from("orders"), + partition: 0, + key: Some(b"user-123".to_vec()), + value: b"hello world".to_vec(), + headers: vec![Header { + key: "content-type".to_string(), + value: b"text/plain".to_vec(), + }], + timestamp_ms: 1700000000000, + }; + + assert_eq!(msg.offset, 42); + assert_eq!(msg.topic.as_str(), "orders"); + assert_eq!(msg.partition, 0); + assert_eq!(msg.key.as_deref(), Some(b"user-123".as_slice())); + assert_eq!(msg.value, b"hello world"); + assert_eq!(msg.headers.len(), 1); + assert_eq!(msg.headers[0].key, "content-type"); + } + + #[test] + fn test_message_no_key_no_headers() { + let msg = Message { + offset: 0, + topic: TopicName::from("events"), + partition: 1, + key: None, + value: b"payload".to_vec(), + headers: vec![], + timestamp_ms: 0, + }; + + assert!(msg.key.is_none()); + assert!(msg.headers.is_empty()); + } + + #[test] + fn test_message_clone_eq() { + let msg = Message { + offset: 1, + topic: TopicName::from("test"), + partition: 0, + key: None, + value: b"data".to_vec(), + headers: vec![], + timestamp_ms: 100, + }; + + let cloned = msg.clone(); + assert_eq!(msg, cloned); + } + + #[test] + fn test_topic_name_ordering() { + let a = TopicName::from("alpha"); + let b = TopicName::from("beta"); + assert!(a < b); + } + + #[test] + fn test_topic_name_display() { + let t = TopicName::from("my-topic"); + assert_eq!(format!("{t}"), "my-topic"); + } + + #[test] + fn test_message_empty_value() { + let msg = Message { + offset: 0, + topic: TopicName::from("t"), + partition: 0, + key: None, + value: vec![], + headers: vec![], + timestamp_ms: 0, + }; + + assert!(msg.value.is_empty()); + } + + #[test] + fn test_message_large_value() { + let large = vec![0xFFu8; 1024 * 1024]; // 1MB + let msg = Message { + offset: 0, + topic: TopicName::from("t"), + partition: 0, + key: None, + value: large.clone(), + headers: vec![], + timestamp_ms: 0, + }; + + assert_eq!(msg.value.len(), 1024 * 1024); + assert_eq!(msg.value, large); + } + + #[test] + fn test_message_many_headers() { + let headers: Vec
= (0..100) + .map(|i| Header { + key: format!("header-{i}"), + value: format!("value-{i}").into_bytes(), + }) + .collect(); + + let msg = Message { + offset: 0, + topic: TopicName::from("t"), + partition: 0, + key: None, + value: vec![], + headers, + timestamp_ms: 0, + }; + + assert_eq!(msg.headers.len(), 100); + assert_eq!(msg.headers[99].key, "header-99"); + } +} diff --git a/crates/sq-sdk/Cargo.toml b/crates/sq-sdk/Cargo.toml index c072130..a3340a7 100644 --- a/crates/sq-sdk/Cargo.toml +++ b/crates/sq-sdk/Cargo.toml @@ -4,11 +4,18 @@ version.workspace = true edition.workspace = true [dependencies] +sq-capnp-interface = { workspace = true } sq-grpc-interface = { workspace = true } sq-models = { workspace = true } +capnp = { workspace = true } +bytes = { workspace = true } + anyhow = { workspace = true } tokio = { workspace = true } tracing = { workspace = true } tonic = { workspace = true } thiserror = { workspace = true } +tokio-stream = { workspace = true } +tokio-util = { workspace = true, features = ["codec"] } +futures = { workspace = true } diff --git a/crates/sq-sdk/src/batch_producer.rs b/crates/sq-sdk/src/batch_producer.rs new file mode 100644 index 0000000..2130671 --- /dev/null +++ b/crates/sq-sdk/src/batch_producer.rs @@ -0,0 +1,172 @@ +use std::time::Duration; + +use sq_grpc_interface::AckMode; +use tokio::sync::{mpsc, oneshot}; +use tokio::time::MissedTickBehavior; + +use crate::error::SqError; +use crate::producer::{GrpcProducer, GrpcProducerConfig, ProducerMessage, SendResult}; + +/// Configuration for a gRPC batching producer. +pub struct GrpcBatchProducerConfig { + /// Server address (e.g., "http://127.0.0.1:6060"). + pub address: String, + /// Default ack mode for publish requests. + pub ack_mode: AckMode, + /// Producer identifier. + pub producer_id: String, + /// Maximum messages to accumulate before flushing (default: 1000). + pub max_batch_size: usize, + /// Flush interval in milliseconds (default: 10). + pub flush_interval_ms: u64, + /// Backpressure channel capacity (default: 10_000). + pub channel_capacity: usize, +} + +impl Default for GrpcBatchProducerConfig { + fn default() -> Self { + Self { + address: "http://127.0.0.1:6060".to_string(), + ack_mode: AckMode::All, + producer_id: "default".to_string(), + max_batch_size: 1000, + flush_interval_ms: 10, + channel_capacity: 10_000, + } + } +} + +struct BatchRequest { + message: ProducerMessage, + reply: oneshot::Sender>, +} + +/// A gRPC batching producer that accumulates messages and flushes them in batches. +/// +/// Messages are queued immediately via `send()` (non-blocking enqueue) and +/// flushed to the server either when the batch reaches `max_batch_size` or +/// when the `flush_interval` timer fires — whichever comes first. +/// +/// `send()` takes `&self`, so `GrpcBatchProducer` can be shared via `Arc` across tasks. +pub struct GrpcBatchProducer { + tx: mpsc::Sender, + _flush_task: tokio::task::JoinHandle<()>, +} + +impl GrpcBatchProducer { + /// Connect to an SQ server and create a batching producer. + pub async fn connect(config: GrpcBatchProducerConfig) -> Result { + let producer = GrpcProducer::connect(GrpcProducerConfig { + address: config.address, + ack_mode: config.ack_mode, + producer_id: config.producer_id, + }) + .await?; + + let (tx, rx) = mpsc::channel(config.channel_capacity); + + let flush_task = tokio::spawn(flush_loop( + rx, + producer, + config.max_batch_size, + Duration::from_millis(config.flush_interval_ms), + )); + + Ok(Self { + tx, + _flush_task: flush_task, + }) + } + + /// Queue a message for batched sending. Returns the result once the batch + /// containing this message has been flushed and acknowledged by the server. + pub async fn send(&self, message: ProducerMessage) -> Result { + let (reply_tx, reply_rx) = oneshot::channel(); + self.tx + .send(BatchRequest { + message, + reply: reply_tx, + }) + .await + .map_err(|_| SqError::Connection("batch producer closed".to_string()))?; + + reply_rx + .await + .map_err(|_| SqError::Connection("batch producer flush task dropped".to_string()))? + } + + /// Shut down the producer, flushing any remaining messages. + /// + /// Dropping the `BatchProducer` also triggers a flush of pending messages, + /// but `close()` lets you await completion. + pub async fn close(self) { + drop(self.tx); + let _ = self._flush_task.await; + } +} + +async fn flush_loop( + mut rx: mpsc::Receiver, + mut producer: GrpcProducer, + max_batch_size: usize, + flush_interval: Duration, +) { + let mut pending: Vec = Vec::with_capacity(max_batch_size); + let mut interval = tokio::time::interval(flush_interval); + interval.set_missed_tick_behavior(MissedTickBehavior::Delay); + // Consume the first immediate tick. + interval.tick().await; + + loop { + let should_flush = tokio::select! { + msg = rx.recv() => match msg { + Some(req) => { + pending.push(req); + pending.len() >= max_batch_size + } + None => { + // Channel closed — flush remaining and exit. + if !pending.is_empty() { + flush(&mut producer, &mut pending).await; + } + return; + } + }, + _ = interval.tick() => !pending.is_empty(), + }; + + if should_flush { + flush(&mut producer, &mut pending).await; + } + } +} + +async fn flush(producer: &mut GrpcProducer, pending: &mut Vec) { + let batch: Vec = std::mem::take(pending); + + let messages: Vec = batch + .iter() + .map(|req| ProducerMessage { + topic: req.message.topic.clone(), + key: req.message.key.clone(), + value: req.message.value.clone(), + headers: req.message.headers.clone(), + }) + .collect(); + + match producer.send_batch(messages).await { + Ok(results) => { + for (req, result) in batch.into_iter().zip(results) { + let _ = req.reply.send(Ok(result)); + } + } + Err(e) => { + let msg = e.to_string(); + for req in batch { + let _ = req + .reply + .send(Err(SqError::Server(msg.clone()))); + } + } + } +} diff --git a/crates/sq-sdk/src/capnp_batch_producer.rs b/crates/sq-sdk/src/capnp_batch_producer.rs new file mode 100644 index 0000000..9848afb --- /dev/null +++ b/crates/sq-sdk/src/capnp_batch_producer.rs @@ -0,0 +1,169 @@ +use std::time::Duration; + +use tokio::sync::{mpsc, oneshot}; +use tokio::time::MissedTickBehavior; + +use crate::capnp_producer::{Producer, ProducerConfig}; +use crate::error::SqError; +use crate::producer::{ProducerMessage, SendResult}; +use crate::types::AckMode; + +/// Configuration for a batching producer (Cap'n Proto transport). +pub struct BatchProducerConfig { + /// Server address (e.g., "127.0.0.1:6064"). + pub address: String, + /// Default ack mode for publish requests. + pub ack_mode: AckMode, + /// Producer identifier. + pub producer_id: String, + /// Maximum messages to accumulate before flushing (default: 1000). + pub max_batch_size: usize, + /// Flush interval in milliseconds (default: 10). + pub flush_interval_ms: u64, + /// Backpressure channel capacity (default: 10_000). + pub channel_capacity: usize, +} + +impl Default for BatchProducerConfig { + fn default() -> Self { + Self { + address: "127.0.0.1:6064".to_string(), + ack_mode: AckMode::All, + producer_id: "default".to_string(), + max_batch_size: 1000, + flush_interval_ms: 10, + channel_capacity: 10_000, + } + } +} + +struct BatchRequest { + message: ProducerMessage, + reply: oneshot::Sender>, +} + +/// A batching producer that accumulates messages and flushes them in batches +/// over the Cap'n Proto transport. +/// +/// Messages are queued immediately via `send()` (non-blocking enqueue) and +/// flushed to the server either when the batch reaches `max_batch_size` or +/// when the `flush_interval` timer fires — whichever comes first. +/// +/// `send()` takes `&self`, so `BatchProducer` can be shared via `Arc` across tasks. +pub struct BatchProducer { + tx: mpsc::Sender, + _flush_task: tokio::task::JoinHandle<()>, +} + +impl BatchProducer { + /// Connect to an SQ server and create a batching producer. + pub async fn connect(config: BatchProducerConfig) -> Result { + let producer = Producer::connect(ProducerConfig { + address: config.address, + ack_mode: config.ack_mode, + producer_id: config.producer_id, + }) + .await?; + + let (tx, rx) = mpsc::channel(config.channel_capacity); + + let flush_task = tokio::spawn(flush_loop( + rx, + producer, + config.max_batch_size, + Duration::from_millis(config.flush_interval_ms), + )); + + Ok(Self { + tx, + _flush_task: flush_task, + }) + } + + /// Queue a message for batched sending. Returns the result once the batch + /// containing this message has been flushed and acknowledged by the server. + pub async fn send(&self, message: ProducerMessage) -> Result { + let (reply_tx, reply_rx) = oneshot::channel(); + self.tx + .send(BatchRequest { + message, + reply: reply_tx, + }) + .await + .map_err(|_| SqError::Connection("batch producer closed".to_string()))?; + + reply_rx + .await + .map_err(|_| SqError::Connection("batch producer flush task dropped".to_string()))? + } + + /// Shut down the producer, flushing any remaining messages. + pub async fn close(self) { + drop(self.tx); + let _ = self._flush_task.await; + } +} + +async fn flush_loop( + mut rx: mpsc::Receiver, + mut producer: Producer, + max_batch_size: usize, + flush_interval: Duration, +) { + let mut pending: Vec = Vec::with_capacity(max_batch_size); + let mut interval = tokio::time::interval(flush_interval); + interval.set_missed_tick_behavior(MissedTickBehavior::Delay); + // Consume the first immediate tick. + interval.tick().await; + + loop { + let should_flush = tokio::select! { + msg = rx.recv() => match msg { + Some(req) => { + pending.push(req); + pending.len() >= max_batch_size + } + None => { + // Channel closed — flush remaining and exit. + if !pending.is_empty() { + flush(&mut producer, &mut pending).await; + } + return; + } + }, + _ = interval.tick() => !pending.is_empty(), + }; + + if should_flush { + flush(&mut producer, &mut pending).await; + } + } +} + +async fn flush(producer: &mut Producer, pending: &mut Vec) { + let batch: Vec = std::mem::take(pending); + + let messages: Vec = batch + .iter() + .map(|req| ProducerMessage { + topic: req.message.topic.clone(), + key: req.message.key.clone(), + value: req.message.value.clone(), + headers: req.message.headers.clone(), + }) + .collect(); + + match producer.send_batch(messages).await { + Ok(results) => { + for (req, result) in batch.into_iter().zip(results) { + let _ = req.reply.send(Ok(result)); + } + } + Err(e) => { + let msg = e.to_string(); + for req in batch { + let _ = req.reply.send(Err(SqError::Server(msg.clone()))); + } + } + } +} diff --git a/crates/sq-sdk/src/capnp_connection.rs b/crates/sq-sdk/src/capnp_connection.rs new file mode 100644 index 0000000..567a531 --- /dev/null +++ b/crates/sq-sdk/src/capnp_connection.rs @@ -0,0 +1,46 @@ +use futures::SinkExt; +use sq_capnp_interface::codec::{Frame, SqCodec}; +use tokio::net::TcpStream; +use tokio_stream::StreamExt; +use tokio_util::codec::Framed; + +use crate::error::SqError; + +/// A TCP connection with Cap'n Proto framing. +pub struct Connection { + framed: Framed, +} + +impl Connection { + /// Connect to an SQ server's capnp data plane. + /// Address should be "host:port" (e.g., "127.0.0.1:6064"). + pub async fn connect(address: &str) -> Result { + let stream = TcpStream::connect(address) + .await + .map_err(|e| SqError::Connection(e.to_string()))?; + stream + .set_nodelay(true) + .map_err(|e| SqError::Connection(e.to_string()))?; + + Ok(Self { + framed: Framed::new(stream, SqCodec::new()), + }) + } + + /// Send a frame over the connection. + pub async fn send_frame(&mut self, frame: Frame) -> Result<(), SqError> { + self.framed + .send(frame) + .await + .map_err(|e| SqError::Connection(e.to_string())) + } + + /// Receive the next frame from the connection. + pub async fn recv_frame(&mut self) -> Result { + match self.framed.next().await { + Some(Ok(frame)) => Ok(frame), + Some(Err(e)) => Err(SqError::Connection(e.to_string())), + None => Err(SqError::Connection("connection closed".to_string())), + } + } +} diff --git a/crates/sq-sdk/src/capnp_consumer.rs b/crates/sq-sdk/src/capnp_consumer.rs new file mode 100644 index 0000000..71cba9a --- /dev/null +++ b/crates/sq-sdk/src/capnp_consumer.rs @@ -0,0 +1,224 @@ +use sq_capnp_interface::codec::{self, OP_ERROR, OP_SUBSCRIBE_END, OP_SUBSCRIBE_REQ, OP_SUBSCRIBE_RES, OP_ACK_REQ, OP_ACK_RES}; +use sq_capnp_interface::data_plane_capnp; + +use crate::capnp_connection::Connection; +use crate::consumer::ReceivedMessage; +use crate::error::SqError; + +/// Configuration for an SQ consumer (Cap'n Proto transport). +pub struct ConsumerConfig { + /// Server address (e.g., "127.0.0.1:6064"). + pub address: String, + /// Consumer group name. + pub consumer_group: String, + /// Topic to consume from. + pub topic: String, + /// Partition to consume from. + pub partition: u32, + /// Whether to automatically commit offsets. + pub auto_commit: bool, + /// Maximum number of messages per batch. + pub max_poll_records: u32, + /// Optional start offset (overrides consumer group committed offset). + pub start_offset: Option, +} + +impl Default for ConsumerConfig { + fn default() -> Self { + Self { + address: "127.0.0.1:6064".to_string(), + consumer_group: "default".to_string(), + topic: String::new(), + partition: 0, + auto_commit: true, + max_poll_records: 100, + start_offset: None, + } + } +} + +/// SQ consumer using Cap'n Proto over TCP. +/// Uses two connections: one for subscribe streaming, one for ack requests. +pub struct Consumer { + subscribe_conn: Connection, + ack_conn: Connection, + config: ConsumerConfig, + stream_started: bool, + last_offset: Option, +} + +impl Consumer { + /// Connect to an SQ server and create a new consumer. + pub async fn connect(config: ConsumerConfig) -> Result { + let subscribe_conn = Connection::connect(&config.address).await?; + let ack_conn = Connection::connect(&config.address).await?; + + Ok(Self { + subscribe_conn, + ack_conn, + config, + stream_started: false, + last_offset: None, + }) + } + + /// Poll for new messages. + /// On first call, sends the SubscribeRequest. Subsequent calls read response frames. + pub async fn poll(&mut self) -> Result, SqError> { + if !self.stream_started { + self.start_subscribe().await?; + self.stream_started = true; + } + + let frame = self.subscribe_conn.recv_frame().await?; + + if frame.opcode == OP_SUBSCRIBE_END { + return Ok(vec![]); + } + + if frame.opcode == OP_ERROR { + let reader = codec::read_capnp(&frame.payload) + .map_err(|e| SqError::Server(format!("decode error: {e}")))?; + let err = reader + .get_root::() + .map_err(|e| SqError::Server(format!("schema error: {e}")))?; + return Err(SqError::Server( + err.get_message() + .map_err(|e| SqError::Server(format!("schema error: {e}")))? + .to_string() + .map_err(|e| SqError::Server(format!("utf8 error: {e}")))?, + )); + } + + if frame.opcode != OP_SUBSCRIBE_RES { + return Err(SqError::Server(format!( + "unexpected opcode: 0x{:02x}", + frame.opcode + ))); + } + + let reader = codec::read_capnp(&frame.payload) + .map_err(|e| SqError::Server(format!("decode error: {e}")))?; + let resp = reader + .get_root::() + .map_err(|e| SqError::Server(format!("schema error: {e}")))?; + + let messages = resp + .get_messages() + .map_err(|e| SqError::Server(format!("schema error: {e}")))?; + + let mut result = Vec::with_capacity(messages.len() as usize); + for i in 0..messages.len() { + let m = messages.get(i); + let headers_reader = m + .get_headers() + .map_err(|e| SqError::Server(format!("schema error: {e}")))?; + + let mut headers = Vec::with_capacity(headers_reader.len() as usize); + for j in 0..headers_reader.len() { + let h = headers_reader.get(j); + headers.push(( + h.get_key() + .map_err(|e| SqError::Server(format!("schema error: {e}")))? + .to_string() + .map_err(|e| SqError::Server(format!("utf8 error: {e}")))?, + h.get_value() + .map_err(|e| SqError::Server(format!("schema error: {e}")))? + .to_vec(), + )); + } + + result.push(ReceivedMessage { + offset: m.get_offset(), + topic: m + .get_topic() + .map_err(|e| SqError::Server(format!("schema error: {e}")))? + .to_string() + .map_err(|e| SqError::Server(format!("utf8 error: {e}")))?, + partition: m.get_partition(), + key: m + .get_key() + .map_err(|e| SqError::Server(format!("schema error: {e}")))? + .to_vec(), + value: m + .get_value() + .map_err(|e| SqError::Server(format!("schema error: {e}")))? + .to_vec(), + headers, + timestamp_ms: m.get_timestamp_ms(), + }); + } + + if let Some(last) = result.last() { + self.last_offset = Some(last.offset); + + if self.config.auto_commit { + let _ = self.commit_internal(last.offset).await; + } + } + + Ok(result) + } + + /// Manually commit an offset. + pub async fn commit(&mut self, offset: u64) -> Result<(), SqError> { + self.commit_internal(offset).await + } + + async fn start_subscribe(&mut self) -> Result<(), SqError> { + let mut builder = capnp::message::Builder::new_default(); + { + let mut req = builder.init_root::(); + req.set_topic(&self.config.topic[..]); + req.set_partition(self.config.partition); + req.set_consumer_group(&self.config.consumer_group[..]); + req.set_max_batch_size(self.config.max_poll_records); + + if let Some(offset) = self.config.start_offset { + req.set_start_offset(offset); + req.set_has_start_offset(true); + } + } + + let frame = codec::build_frame(OP_SUBSCRIBE_REQ, &builder); + self.subscribe_conn.send_frame(frame).await + } + + async fn commit_internal(&mut self, offset: u64) -> Result<(), SqError> { + let mut builder = capnp::message::Builder::new_default(); + { + let mut req = builder.init_root::(); + req.set_consumer_group(&self.config.consumer_group[..]); + req.set_topic(&self.config.topic[..]); + req.set_partition(self.config.partition); + req.set_offset(offset); + } + + let frame = codec::build_frame(OP_ACK_REQ, &builder); + self.ack_conn.send_frame(frame).await?; + + let resp = self.ack_conn.recv_frame().await?; + if resp.opcode == OP_ERROR { + let reader = codec::read_capnp(&resp.payload) + .map_err(|e| SqError::Server(format!("decode error: {e}")))?; + let err = reader + .get_root::() + .map_err(|e| SqError::Server(format!("schema error: {e}")))?; + return Err(SqError::Server( + err.get_message() + .map_err(|e| SqError::Server(format!("schema error: {e}")))? + .to_string() + .map_err(|e| SqError::Server(format!("utf8 error: {e}")))?, + )); + } + + if resp.opcode != OP_ACK_RES { + return Err(SqError::Server(format!( + "unexpected opcode: 0x{:02x}", + resp.opcode + ))); + } + + Ok(()) + } +} diff --git a/crates/sq-sdk/src/capnp_producer.rs b/crates/sq-sdk/src/capnp_producer.rs new file mode 100644 index 0000000..7976fb5 --- /dev/null +++ b/crates/sq-sdk/src/capnp_producer.rs @@ -0,0 +1,145 @@ +use sq_capnp_interface::codec::{self, OP_ERROR, OP_PUBLISH_REQ, OP_PUBLISH_RES}; +use sq_capnp_interface::data_plane_capnp; + +use crate::capnp_connection::Connection; +use crate::error::SqError; +use crate::producer::{ProducerMessage, SendResult}; +use crate::types::AckMode; + +/// Configuration for an SQ producer (Cap'n Proto transport). +pub struct ProducerConfig { + /// Server address (e.g., "127.0.0.1:6064"). + pub address: String, + /// Acknowledgment mode. + pub ack_mode: AckMode, + /// Producer identifier. + pub producer_id: String, +} + +impl Default for ProducerConfig { + fn default() -> Self { + Self { + address: "127.0.0.1:6064".to_string(), + ack_mode: AckMode::All, + producer_id: "default".to_string(), + } + } +} + +/// SQ producer using Cap'n Proto over TCP. +pub struct Producer { + conn: Connection, + config: ProducerConfig, +} + +impl Producer { + /// Connect to an SQ server and create a new producer. + pub async fn connect(config: ProducerConfig) -> Result { + let conn = Connection::connect(&config.address).await?; + Ok(Self { conn, config }) + } + + /// Send a single message. + pub async fn send( + &mut self, + topic: &str, + key: Option<&[u8]>, + value: &[u8], + ) -> Result { + let results = self + .send_batch(vec![ProducerMessage { + topic: topic.to_string(), + key: key.map(|k| k.to_vec()), + value: value.to_vec(), + headers: Vec::new(), + }]) + .await?; + Ok(results.into_iter().next().unwrap()) + } + + /// Send a batch of messages. + pub async fn send_batch( + &mut self, + messages: Vec, + ) -> Result, SqError> { + // Build capnp request. + let mut builder = capnp::message::Builder::new_default(); + { + let mut req = builder.init_root::(); + req.set_ack_mode(self.config.ack_mode.to_capnp_u8()); + req.set_producer_id(&self.config.producer_id[..]); + + let mut msg_list = req.init_messages(messages.len() as u32); + for (i, m) in messages.iter().enumerate() { + let mut entry = msg_list.reborrow().get(i as u32); + entry.set_topic(&m.topic[..]); + entry.set_key(m.key.as_deref().unwrap_or(&[])); + entry.set_value(&m.value); + + let mut headers = entry.init_headers(m.headers.len() as u32); + for (j, (k, v)) in m.headers.iter().enumerate() { + let mut h = headers.reborrow().get(j as u32); + h.set_key(&k[..]); + h.set_value(v); + } + } + } + + let frame = codec::build_frame(OP_PUBLISH_REQ, &builder); + self.conn.send_frame(frame).await?; + + // Read response. + let resp_frame = self.conn.recv_frame().await?; + + if resp_frame.opcode == OP_ERROR { + let msg = decode_error(&resp_frame.payload)?; + return Err(SqError::Server(msg)); + } + + if resp_frame.opcode != OP_PUBLISH_RES { + return Err(SqError::Server(format!( + "unexpected opcode: 0x{:02x}", + resp_frame.opcode + ))); + } + + // Decode response. + let reader = codec::read_capnp(&resp_frame.payload) + .map_err(|e| SqError::Server(format!("decode error: {e}")))?; + let resp = reader + .get_root::() + .map_err(|e| SqError::Server(format!("schema error: {e}")))?; + + let results = resp + .get_results() + .map_err(|e| SqError::Server(format!("schema error: {e}")))?; + + let mut send_results = Vec::with_capacity(results.len() as usize); + for i in 0..results.len() { + let r = results.get(i); + send_results.push(SendResult { + topic: r + .get_topic() + .map_err(|e| SqError::Server(format!("schema error: {e}")))? + .to_string() + .map_err(|e| SqError::Server(format!("utf8 error: {e}")))?, + partition: r.get_partition(), + offset: r.get_offset(), + }); + } + + Ok(send_results) + } +} + +fn decode_error(payload: &[u8]) -> Result { + let reader = codec::read_capnp(payload) + .map_err(|e| SqError::Server(format!("decode error: {e}")))?; + let err = reader + .get_root::() + .map_err(|e| SqError::Server(format!("schema error: {e}")))?; + err.get_message() + .map_err(|e| SqError::Server(format!("schema error: {e}")))? + .to_string() + .map_err(|e| SqError::Server(format!("utf8 error: {e}"))) +} diff --git a/crates/sq-sdk/src/connection.rs b/crates/sq-sdk/src/connection.rs new file mode 100644 index 0000000..fb7675c --- /dev/null +++ b/crates/sq-sdk/src/connection.rs @@ -0,0 +1,24 @@ +use crate::error::SqError; + +/// Manages a gRPC channel to an SQ server. +#[derive(Clone)] +pub struct GrpcConnection { + channel: tonic::transport::Channel, +} + +impl GrpcConnection { + /// Connect to an SQ server at the given address (e.g., "http://127.0.0.1:6060"). + pub async fn connect(address: &str) -> Result { + let channel = tonic::transport::Channel::from_shared(address.to_string()) + .map_err(|e| SqError::Connection(e.to_string()))? + .connect() + .await?; + + Ok(Self { channel }) + } + + /// Get the underlying tonic channel. + pub fn channel(&self) -> tonic::transport::Channel { + self.channel.clone() + } +} diff --git a/crates/sq-sdk/src/consumer.rs b/crates/sq-sdk/src/consumer.rs new file mode 100644 index 0000000..e05f4cb --- /dev/null +++ b/crates/sq-sdk/src/consumer.rs @@ -0,0 +1,154 @@ +use sq_grpc_interface::{ + data_plane_service_client::DataPlaneServiceClient, AckRequest, ConsumedMessage, + SubscribeRequest, SubscribeResponse, +}; +use tokio_stream::StreamExt; + +use crate::connection::GrpcConnection; +use crate::error::SqError; + +/// Configuration for an SQ gRPC consumer. +pub struct GrpcConsumerConfig { + /// Server address (e.g., "http://127.0.0.1:6060"). + pub address: String, + /// Consumer group name. + pub consumer_group: String, + /// Topic to consume from. + pub topic: String, + /// Partition to consume from. + pub partition: u32, + /// Whether to automatically commit offsets. + pub auto_commit: bool, + /// Maximum number of messages to receive per batch. + pub max_poll_records: u32, +} + +impl Default for GrpcConsumerConfig { + fn default() -> Self { + Self { + address: "http://127.0.0.1:6060".to_string(), + consumer_group: "default".to_string(), + topic: String::new(), + partition: 0, + auto_commit: true, + max_poll_records: 100, + } + } +} + +/// A message consumed from SQ. +#[derive(Debug, Clone)] +pub struct ReceivedMessage { + pub offset: u64, + pub topic: String, + pub partition: u32, + pub key: Vec, + pub value: Vec, + pub headers: Vec<(String, Vec)>, + pub timestamp_ms: u64, +} + +impl From for ReceivedMessage { + fn from(m: ConsumedMessage) -> Self { + Self { + offset: m.offset, + topic: m.topic, + partition: m.partition, + key: m.key, + value: m.value, + headers: m.headers.into_iter().map(|h| (h.key, h.value)).collect(), + timestamp_ms: m.timestamp_ms, + } + } +} + +/// SQ gRPC consumer client. Receives messages from an SQ server via streaming. +pub struct GrpcConsumer { + client: DataPlaneServiceClient, + config: GrpcConsumerConfig, + stream: Option>, + last_offset: Option, +} + +impl GrpcConsumer { + /// Connect to an SQ server and create a new consumer. + pub async fn connect(config: GrpcConsumerConfig) -> Result { + let conn = GrpcConnection::connect(&config.address).await?; + let client = DataPlaneServiceClient::new(conn.channel()); + + Ok(Self { + client, + config, + stream: None, + last_offset: None, + }) + } + + /// Poll for new messages. Establishes the subscription stream on first call. + /// Returns an empty vec if no messages are available yet. + pub async fn poll(&mut self) -> Result, SqError> { + // Establish stream if not yet connected. + if self.stream.is_none() { + let response = self + .client + .subscribe(tonic::Request::new(SubscribeRequest { + topic: self.config.topic.clone(), + partition: self.config.partition, + consumer_group: self.config.consumer_group.clone(), + start_offset: None, // Uses committed offset if consumer group set. + max_batch_size: self.config.max_poll_records, + })) + .await?; + + self.stream = Some(response.into_inner()); + } + + let stream = self.stream.as_mut().unwrap(); + + match stream.next().await { + Some(Ok(response)) => { + let messages: Vec = response + .messages + .into_iter() + .map(ReceivedMessage::from) + .collect(); + + if let Some(last) = messages.last() { + self.last_offset = Some(last.offset); + + // Auto-commit if enabled. + if self.config.auto_commit { + // Best-effort commit; don't fail the poll on commit error. + let _ = self.commit_internal(last.offset).await; + } + } + + Ok(messages) + } + Some(Err(status)) => Err(SqError::from(status)), + None => { + // Stream ended - reset so next poll reconnects. + self.stream = None; + Ok(vec![]) + } + } + } + + /// Manually commit an offset for this consumer's group/topic/partition. + pub async fn commit(&mut self, offset: u64) -> Result<(), SqError> { + self.commit_internal(offset).await + } + + async fn commit_internal(&mut self, offset: u64) -> Result<(), SqError> { + self.client + .ack(tonic::Request::new(AckRequest { + consumer_group: self.config.consumer_group.clone(), + topic: self.config.topic.clone(), + partition: self.config.partition, + offset, + })) + .await?; + + Ok(()) + } +} diff --git a/crates/sq-sdk/src/error.rs b/crates/sq-sdk/src/error.rs new file mode 100644 index 0000000..c1e4332 --- /dev/null +++ b/crates/sq-sdk/src/error.rs @@ -0,0 +1,34 @@ +#[derive(Debug, thiserror::Error)] +pub enum SqError { + #[error("connection failed: {0}")] + Connection(String), + + #[error("server error: {0}")] + Server(String), + + #[error("invalid argument: {0}")] + InvalidArgument(String), + + #[error("not found: {0}")] + NotFound(String), + + #[error("stream ended")] + StreamEnded, +} + +impl From for SqError { + fn from(status: tonic::Status) -> Self { + match status.code() { + tonic::Code::InvalidArgument => SqError::InvalidArgument(status.message().to_string()), + tonic::Code::NotFound => SqError::NotFound(status.message().to_string()), + tonic::Code::Unavailable => SqError::Connection(status.message().to_string()), + _ => SqError::Server(format!("{}: {}", status.code(), status.message())), + } + } +} + +impl From for SqError { + fn from(err: tonic::transport::Error) -> Self { + SqError::Connection(err.to_string()) + } +} diff --git a/crates/sq-sdk/src/lib.rs b/crates/sq-sdk/src/lib.rs index e69de29..4bbc36a 100644 --- a/crates/sq-sdk/src/lib.rs +++ b/crates/sq-sdk/src/lib.rs @@ -0,0 +1,28 @@ +pub mod batch_producer; +pub mod capnp_batch_producer; +pub mod capnp_connection; +pub mod capnp_consumer; +pub mod capnp_producer; +pub mod connection; +pub mod consumer; +pub mod error; +pub mod producer; +pub mod types; + +// Default (capnp) types — these are the primary SDK interface. +pub use capnp_batch_producer::{BatchProducer, BatchProducerConfig}; +pub use capnp_connection::Connection; +pub use capnp_consumer::{Consumer, ConsumerConfig}; +pub use capnp_producer::{Producer, ProducerConfig}; +pub use types::AckMode; + +// gRPC types (available but not the default transport). +pub use batch_producer::{GrpcBatchProducer, GrpcBatchProducerConfig}; +pub use connection::GrpcConnection; +pub use consumer::{GrpcConsumer, GrpcConsumerConfig}; +pub use producer::{GrpcProducer, GrpcProducerConfig}; + +// Shared types used by both transports. +pub use consumer::ReceivedMessage; +pub use error::SqError; +pub use producer::{ProducerMessage, SendResult}; diff --git a/crates/sq-sdk/src/producer.rs b/crates/sq-sdk/src/producer.rs new file mode 100644 index 0000000..618d45e --- /dev/null +++ b/crates/sq-sdk/src/producer.rs @@ -0,0 +1,143 @@ +use sq_grpc_interface::{ + data_plane_service_client::DataPlaneServiceClient, AckMode, MessageHeader, PublishMessage, + PublishRequest, PublishSettings, +}; + +use crate::connection::GrpcConnection; +use crate::error::SqError; + +/// Configuration for an SQ gRPC producer. +pub struct GrpcProducerConfig { + /// Server address (e.g., "http://127.0.0.1:6060"). + pub address: String, + /// Default ack mode for publish requests. + pub ack_mode: AckMode, + /// Producer identifier. + pub producer_id: String, +} + +impl Default for GrpcProducerConfig { + fn default() -> Self { + Self { + address: "http://127.0.0.1:6060".to_string(), + ack_mode: AckMode::All, + producer_id: "default".to_string(), + } + } +} + +/// Result of sending a single message. +#[derive(Debug, Clone)] +pub struct SendResult { + pub topic: String, + pub partition: u32, + pub offset: u64, +} + +/// A message to be sent by the producer. +pub struct ProducerMessage { + pub topic: String, + pub key: Option>, + pub value: Vec, + pub headers: Vec<(String, Vec)>, +} + +impl ProducerMessage { + pub fn new(topic: impl Into, value: impl Into>) -> Self { + Self { + topic: topic.into(), + key: None, + value: value.into(), + headers: Vec::new(), + } + } + + pub fn with_key(mut self, key: impl Into>) -> Self { + self.key = Some(key.into()); + self + } + + pub fn with_header(mut self, key: impl Into, value: impl Into>) -> Self { + self.headers.push((key.into(), value.into())); + self + } +} + +/// SQ gRPC producer client. Sends messages to an SQ server. +pub struct GrpcProducer { + client: DataPlaneServiceClient, + config: GrpcProducerConfig, +} + +impl GrpcProducer { + /// Connect to an SQ server and create a new producer. + pub async fn connect(config: GrpcProducerConfig) -> Result { + let conn = GrpcConnection::connect(&config.address).await?; + let client = DataPlaneServiceClient::new(conn.channel()); + + Ok(Self { client, config }) + } + + /// Send a single message. + pub async fn send( + &mut self, + topic: &str, + key: Option<&[u8]>, + value: &[u8], + ) -> Result { + let results = self + .send_batch(vec![ProducerMessage { + topic: topic.to_string(), + key: key.map(|k| k.to_vec()), + value: value.to_vec(), + headers: Vec::new(), + }]) + .await?; + + Ok(results.into_iter().next().unwrap()) + } + + /// Send a batch of messages. + pub async fn send_batch( + &mut self, + messages: Vec, + ) -> Result, SqError> { + let publish_messages: Vec = messages + .into_iter() + .map(|m| PublishMessage { + topic: m.topic, + key: m.key.unwrap_or_default(), + value: m.value, + headers: m + .headers + .into_iter() + .map(|(k, v)| MessageHeader { key: k, value: v }) + .collect(), + }) + .collect(); + + let response = self + .client + .publish(tonic::Request::new(PublishRequest { + messages: publish_messages, + settings: Some(PublishSettings { + ack_mode: self.config.ack_mode.into(), + }), + producer_id: self.config.producer_id.clone(), + })) + .await?; + + let results = response + .into_inner() + .results + .into_iter() + .map(|r| SendResult { + topic: r.topic, + partition: r.partition, + offset: r.offset, + }) + .collect(); + + Ok(results) + } +} diff --git a/crates/sq-sdk/src/types.rs b/crates/sq-sdk/src/types.rs new file mode 100644 index 0000000..4cdb36d --- /dev/null +++ b/crates/sq-sdk/src/types.rs @@ -0,0 +1,37 @@ +/// Acknowledgment mode for publish requests. +#[derive(Debug, Clone, Copy, PartialEq, Eq)] +pub enum AckMode { + /// Wait for all replicas to acknowledge. + All, + /// Wait for the local replica only. + Local, + /// Fire-and-forget, no acknowledgment. + None, +} + +impl AckMode { + /// Convert to the wire `u8` used by the capnp protocol. + pub fn to_capnp_u8(self) -> u8 { + match self { + AckMode::All => 1, + AckMode::Local => 2, + AckMode::None => 3, + } + } +} + +impl From for sq_grpc_interface::AckMode { + fn from(mode: AckMode) -> Self { + match mode { + AckMode::All => sq_grpc_interface::AckMode::All, + AckMode::Local => sq_grpc_interface::AckMode::Local, + AckMode::None => sq_grpc_interface::AckMode::None, + } + } +} + +impl Default for AckMode { + fn default() -> Self { + AckMode::All + } +} diff --git a/crates/sq-server/Cargo.toml b/crates/sq-server/Cargo.toml index 97f895c..47e3956 100644 --- a/crates/sq-server/Cargo.toml +++ b/crates/sq-server/Cargo.toml @@ -4,12 +4,17 @@ version.workspace = true edition.workspace = true [dependencies] +sq-capnp-interface = { workspace = true } sq-grpc-interface = { workspace = true } sq-models = { workspace = true } sq-storage = { workspace = true } sq-cluster = { workspace = true } sq-sim = { workspace = true } +capnp = { workspace = true } +bytes = { workspace = true } +futures = { workspace = true } + anyhow = { workspace = true } tokio = { workspace = true } tracing = { workspace = true } @@ -24,3 +29,15 @@ axum = { workspace = true } tower = { workspace = true } tower-http = { workspace = true } http = { workspace = true } +tokio-util = { workspace = true } +tokio-stream = { workspace = true } +async-stream = { workspace = true } +tracing-opentelemetry = { workspace = true } +opentelemetry = { workspace = true } +opentelemetry_sdk = { workspace = true } +opentelemetry-otlp = { workspace = true } +opentelemetry-semantic-conventions = { workspace = true } + +[dev-dependencies] +tempfile = { workspace = true } +sq-sdk = { workspace = true } diff --git a/crates/sq-server/src/capnp/ack.rs b/crates/sq-server/src/capnp/ack.rs new file mode 100644 index 0000000..0aed1ab --- /dev/null +++ b/crates/sq-server/src/capnp/ack.rs @@ -0,0 +1,50 @@ +use sq_capnp_interface::codec::{self, Frame, OP_ACK_RES}; +use sq_capnp_interface::data_plane_capnp; + +use crate::metrics; +use crate::state::State; + +pub async fn handle(state: &State, payload: &[u8]) -> Frame { + match handle_inner(state, payload) { + Ok(frame) => frame, + Err(e) => codec::error_frame(&e), + } +} + +fn handle_inner(state: &State, payload: &[u8]) -> Result { + let reader = codec::read_capnp(payload).map_err(|e| format!("decode error: {e}"))?; + let req = reader + .get_root::() + .map_err(|e| format!("schema error: {e}"))?; + + let consumer_group = req + .get_consumer_group() + .map_err(|e| format!("schema error: {e}"))? + .to_str() + .map_err(|e| format!("utf8 error: {e}"))?; + let topic = req + .get_topic() + .map_err(|e| format!("schema error: {e}"))? + .to_str() + .map_err(|e| format!("utf8 error: {e}"))?; + let partition = req.get_partition(); + let offset = req.get_offset(); + + if consumer_group.is_empty() { + return Err("consumer_group must not be empty".to_string()); + } + if topic.is_empty() { + return Err("topic must not be empty".to_string()); + } + + state + .engine + .commit_offset(consumer_group, topic, partition, offset) + .map_err(|e| format!("commit error: {e}"))?; + + metrics::record_ack(topic); + + let mut builder = capnp::message::Builder::new_default(); + builder.init_root::(); + Ok(codec::build_frame(OP_ACK_RES, &builder)) +} diff --git a/crates/sq-server/src/capnp/handler.rs b/crates/sq-server/src/capnp/handler.rs new file mode 100644 index 0000000..884e450 --- /dev/null +++ b/crates/sq-server/src/capnp/handler.rs @@ -0,0 +1,54 @@ +use futures::SinkExt; +use sq_capnp_interface::codec::{SqCodec, OP_ACK_REQ, OP_PUBLISH_REQ, OP_SUBSCRIBE_REQ}; +use tokio::net::TcpStream; +use tokio_stream::StreamExt; +use tokio_util::codec::Framed; +use tokio_util::sync::CancellationToken; + +use crate::state::State; + +use super::{ack, publish, subscribe}; + +pub async fn handle_connection( + stream: TcpStream, + state: State, + cancel: CancellationToken, +) -> Result<(), Box> { + stream.set_nodelay(true)?; + let mut framed = Framed::new(stream, SqCodec::new()); + + loop { + let frame = tokio::select! { + result = framed.next() => { + match result { + Some(Ok(frame)) => frame, + Some(Err(e)) => return Err(e.into()), + None => return Ok(()), // connection closed + } + } + () = cancel.cancelled() => return Ok(()), + }; + + match frame.opcode { + OP_PUBLISH_REQ => { + let response = publish::handle(&state, &frame.payload).await; + framed.send(response).await?; + } + OP_SUBSCRIBE_REQ => { + // Subscribe takes ownership of the framed stream for writing multiple responses. + subscribe::handle(&state, &frame.payload, &mut framed, &cancel).await?; + // After subscribe ends, the connection is done. + return Ok(()); + } + OP_ACK_REQ => { + let response = ack::handle(&state, &frame.payload).await; + framed.send(response).await?; + } + other => { + let response = + sq_capnp_interface::codec::error_frame(&format!("unknown opcode: 0x{other:02x}")); + framed.send(response).await?; + } + } + } +} diff --git a/crates/sq-server/src/capnp/mod.rs b/crates/sq-server/src/capnp/mod.rs new file mode 100644 index 0000000..564a974 --- /dev/null +++ b/crates/sq-server/src/capnp/mod.rs @@ -0,0 +1,58 @@ +mod ack; +mod handler; +mod publish; +mod subscribe; + +use std::net::SocketAddr; + +use notmad::{Component, ComponentInfo, MadError}; +use tokio::net::TcpListener; +use tokio_util::sync::CancellationToken; + +use crate::state::State; + +pub struct CapnpServer { + pub host: SocketAddr, + pub state: State, +} + +impl Component for CapnpServer { + fn info(&self) -> ComponentInfo { + "sq-server/capnp".into() + } + + async fn run(&self, cancellation_token: CancellationToken) -> Result<(), MadError> { + let listener = TcpListener::bind(self.host) + .await + .map_err(|e| MadError::Inner(e.into()))?; + + tracing::info!(addr = %self.host, "capnp data plane listening"); + + loop { + tokio::select! { + result = listener.accept() => { + match result { + Ok((stream, addr)) => { + let state = self.state.clone(); + let cancel = cancellation_token.clone(); + tokio::spawn(async move { + if let Err(e) = handler::handle_connection(stream, state, cancel).await { + tracing::debug!(peer = %addr, error = %e, "capnp connection ended"); + } + }); + } + Err(e) => { + tracing::warn!(error = %e, "capnp accept error"); + } + } + } + () = cancellation_token.cancelled() => { + tracing::info!("capnp server shutting down"); + break; + } + } + } + + Ok(()) + } +} diff --git a/crates/sq-server/src/capnp/publish.rs b/crates/sq-server/src/capnp/publish.rs new file mode 100644 index 0000000..5caaa4b --- /dev/null +++ b/crates/sq-server/src/capnp/publish.rs @@ -0,0 +1,138 @@ +use sq_capnp_interface::codec::{self, Frame, OP_PUBLISH_RES}; +use sq_capnp_interface::data_plane_capnp; + +use crate::metrics; +use crate::pipeline::PipelineMessage; +use crate::state::State; + +pub async fn handle(state: &State, payload: &[u8]) -> Frame { + match handle_inner(state, payload).await { + Ok(frame) => frame, + Err(e) => codec::error_frame(&e), + } +} + +/// Decode the capnp payload into owned pipeline messages. This is sync (no .await) +/// so the capnp Reader (which is !Send) does not live across an await boundary. +fn decode_request(payload: &[u8]) -> Result<(Vec, u8), String> { + let reader = codec::read_capnp(payload).map_err(|e| format!("decode error: {e}"))?; + let req = reader + .get_root::() + .map_err(|e| format!("schema error: {e}"))?; + + let messages = req + .get_messages() + .map_err(|e| format!("schema error: {e}"))?; + if messages.len() == 0 { + return Err("messages must not be empty".to_string()); + } + + let ack_mode = req.get_ack_mode(); + let timestamp_ms = std::time::SystemTime::now() + .duration_since(std::time::UNIX_EPOCH) + .unwrap_or_default() + .as_millis() as u64; + + let mut pipeline_msgs = Vec::with_capacity(messages.len() as usize); + for i in 0..messages.len() { + let msg = messages.get(i); + let topic = msg + .get_topic() + .map_err(|e| format!("schema error: {e}"))? + .to_string() + .map_err(|e| format!("utf8 error: {e}"))?; + if topic.is_empty() { + return Err("topic must not be empty".to_string()); + } + + let key = msg + .get_key() + .map_err(|e| format!("schema error: {e}"))? + .to_vec(); + let value = msg + .get_value() + .map_err(|e| format!("schema error: {e}"))? + .to_vec(); + let headers_reader = msg + .get_headers() + .map_err(|e| format!("schema error: {e}"))?; + + let mut headers = Vec::with_capacity(headers_reader.len() as usize); + for j in 0..headers_reader.len() { + let h = headers_reader.get(j); + let hkey = h + .get_key() + .map_err(|e| format!("schema error: {e}"))? + .to_string() + .map_err(|e| format!("utf8 error: {e}"))?; + let hval = h + .get_value() + .map_err(|e| format!("schema error: {e}"))? + .to_vec(); + headers.push(sq_models::Header { + key: hkey, + value: hval, + }); + } + + pipeline_msgs.push(PipelineMessage { + topic, + partition: 0, + key, + value, + headers, + timestamp_ms, + }); + } + + Ok((pipeline_msgs, ack_mode)) +} + +async fn handle_inner(state: &State, payload: &[u8]) -> Result { + let (pipeline_msgs, ack_mode) = decode_request(payload)?; + + let start = std::time::Instant::now(); + let first_topic = pipeline_msgs + .first() + .map(|m| m.topic.clone()) + .unwrap_or_default(); + + // ACK mode 3 = None (fire and forget) + if ack_mode == 3 { + let result_count = pipeline_msgs.len(); + state + .pipeline + .submit_fire_and_forget(pipeline_msgs) + .await; + metrics::record_messages_published(&first_topic, result_count as u64); + metrics::record_publish_duration(&first_topic, start); + return Ok(build_publish_response(&[])); + } + + // Standard ack mode — submit and wait. + let results = state + .pipeline + .submit(pipeline_msgs) + .await + .map_err(|e| format!("pipeline error: {e}"))?; + + metrics::record_messages_published(&first_topic, results.len() as u64); + metrics::record_publish_duration(&first_topic, start); + + Ok(build_publish_response(&results)) +} + +fn build_publish_response(results: &[crate::pipeline::PipelineResult]) -> Frame { + let mut builder = capnp::message::Builder::new_default(); + { + let resp = builder.init_root::(); + let mut res_list = resp.init_results(results.len() as u32); + for (i, r) in results.iter().enumerate() { + let mut entry = res_list.reborrow().get(i as u32); + entry.set_topic(&r.topic[..]); + entry.set_partition(r.partition); + entry.set_offset(r.offset); + } + } + codec::build_frame(OP_PUBLISH_RES, &builder) +} diff --git a/crates/sq-server/src/capnp/subscribe.rs b/crates/sq-server/src/capnp/subscribe.rs new file mode 100644 index 0000000..bbb4489 --- /dev/null +++ b/crates/sq-server/src/capnp/subscribe.rs @@ -0,0 +1,113 @@ +use bytes::Bytes; +use futures::SinkExt; +use sq_capnp_interface::codec::{self, Frame, SqCodec, OP_SUBSCRIBE_END, OP_SUBSCRIBE_RES}; +use sq_capnp_interface::data_plane_capnp; +use tokio::net::TcpStream; +use tokio_util::codec::Framed; +use tokio_util::sync::CancellationToken; + +use crate::metrics; +use crate::state::State; + +pub async fn handle( + state: &State, + payload: &[u8], + framed: &mut Framed, + cancel: &CancellationToken, +) -> Result<(), Box> { + let reader = codec::read_capnp(payload)?; + let req = reader.get_root::()?; + + let topic = req.get_topic()?.to_string()?; + if topic.is_empty() { + let err = codec::error_frame("topic must not be empty"); + framed.send(err).await?; + return Ok(()); + } + + let partition = req.get_partition(); + let consumer_group = req.get_consumer_group()?.to_string()?; + let batch_size = if req.get_max_batch_size() == 0 { + 100 + } else { + req.get_max_batch_size() as usize + }; + + let start_offset = if req.get_has_start_offset() { + req.get_start_offset() + } else if !consumer_group.is_empty() { + state + .engine + .get_committed_offset(&consumer_group, &topic, partition) + .unwrap_or(0) + } else { + 0 + }; + + let mut current_offset = start_offset; + + loop { + if cancel.is_cancelled() { + break; + } + + let messages = state + .engine + .read(&topic, partition, current_offset, batch_size) + .map_err(|e| format!("read error: {e}"))?; + + if messages.is_empty() { + tokio::select! { + () = tokio::time::sleep(tokio::time::Duration::from_millis(100)) => continue, + () = cancel.cancelled() => break, + } + } + + let frame = build_subscribe_response(&messages, &mut current_offset); + metrics::record_messages_consumed(&topic, messages.len() as u64); + metrics::record_subscribe_batch(&topic); + + if framed.send(frame).await.is_err() { + // Client disconnected. + return Ok(()); + } + } + + // Send end-of-stream sentinel. + let end = Frame { + opcode: OP_SUBSCRIBE_END, + payload: Bytes::new(), + }; + let _ = framed.send(end).await; + + Ok(()) +} + +fn build_subscribe_response( + messages: &[sq_models::Message], + current_offset: &mut u64, +) -> Frame { + let mut builder = capnp::message::Builder::new_default(); + { + let resp = builder.init_root::(); + let mut msg_list = resp.init_messages(messages.len() as u32); + for (i, m) in messages.iter().enumerate() { + *current_offset = m.offset + 1; + let mut entry = msg_list.reborrow().get(i as u32); + entry.set_offset(m.offset); + entry.set_topic(m.topic.as_str()); + entry.set_partition(m.partition); + entry.set_key(m.key.as_deref().unwrap_or(&[])); + entry.set_value(&m.value); + entry.set_timestamp_ms(m.timestamp_ms); + + let mut headers = entry.init_headers(m.headers.len() as u32); + for (j, h) in m.headers.iter().enumerate() { + let mut hdr = headers.reborrow().get(j as u32); + hdr.set_key(&h.key[..]); + hdr.set_value(&h.value); + } + } + } + codec::build_frame(OP_SUBSCRIBE_RES, &builder) +} diff --git a/crates/sq-server/src/cli.rs b/crates/sq-server/src/cli.rs new file mode 100644 index 0000000..c96687d --- /dev/null +++ b/crates/sq-server/src/cli.rs @@ -0,0 +1,129 @@ +use std::path::PathBuf; +use std::sync::Arc; + +use clap::{Parser, Subcommand}; +use sq_models::SyncPolicy; +use sq_sim::fs::RealFileSystem; +use sq_storage::object_store::reader::ObjectStoreReader; +use sq_storage::object_store::s3::{S3Config, S3ObjectStore}; + +use crate::pipeline::WritePipeline; +use crate::state::{Config, State}; + +mod serve; +use serve::*; + +#[derive(Parser)] +#[command(author, version, about = "SQ - Stored Queue Server", long_about = None, subcommand_required = true)] +struct Command { + #[command(subcommand)] + command: Commands, + + #[arg(long, env = "SQ_NODE_ID", default_value = "node-1")] + node_id: String, + + #[arg(long, env = "SQ_DATA_DIR", default_value = "./data")] + data_dir: PathBuf, + + #[arg(long, env = "SQ_SEEDS", value_delimiter = ',')] + seeds: Vec, + + #[arg(long, env = "SQ_CLUSTER_ID", default_value = "default")] + cluster_id: String, + + #[arg(long, env = "SQ_S3_BUCKET")] + s3_bucket: Option, + + #[arg(long, env = "SQ_S3_ENDPOINT")] + s3_endpoint: Option, + + #[arg(long, env = "SQ_S3_REGION")] + s3_region: Option, + + /// Fsync policy: "every-batch" (default), "none", or interval in ms (e.g. "200"). + #[arg(long, env = "SQ_SYNC_POLICY", default_value = "every-batch")] + sync_policy: String, +} + +#[derive(Subcommand)] +enum Commands { + Serve(ServeCommand), +} + +impl Commands { + fn grpc_address(&self) -> String { + match self { + Commands::Serve(cmd) => cmd.grpc_host.to_string(), + } + } + + async fn execute(&self, state: &State, pipeline: WritePipeline) -> anyhow::Result<()> { + match self { + Commands::Serve(cmd) => cmd.execute(state, pipeline).await, + } + } +} + +pub async fn execute() -> anyhow::Result<()> { + let cli = Command::parse(); + tracing::debug!("starting sq-server"); + + let sync_policy = match cli.sync_policy.as_str() { + "every-batch" => SyncPolicy::EveryBatch, + "none" => SyncPolicy::None, + ms => { + let millis: u64 = ms + .parse() + .map_err(|_| anyhow::anyhow!("invalid sync_policy: expected 'every-batch', 'none', or interval in ms, got '{ms}'"))?; + SyncPolicy::Interval(std::time::Duration::from_millis(millis)) + } + }; + + let config = Config { + node_id: cli.node_id, + data_dir: cli.data_dir, + seeds: cli.seeds, + grpc_address: cli.command.grpc_address(), + cluster_id: cli.cluster_id, + s3_bucket: cli.s3_bucket, + s3_endpoint: cli.s3_endpoint, + s3_region: cli.s3_region, + sync_policy, + }; + let (mut state, pipeline) = State::new(config)?; + + // Set up S3 reader if S3 is configured. + if let Some(bucket) = &state.config.s3_bucket { + let s3_config = S3Config { + bucket: bucket.clone(), + region: state + .config + .s3_region + .clone() + .unwrap_or_else(|| "us-east-1".to_string()), + endpoint: state.config.s3_endpoint.clone(), + access_key_id: std::env::var("AWS_ACCESS_KEY_ID").ok(), + secret_access_key: std::env::var("AWS_SECRET_ACCESS_KEY").ok(), + allow_http: state.config.s3_endpoint.is_some(), + }; + + match S3ObjectStore::new(s3_config) { + Ok(store) => { + let cache_dir = state.config.data_dir.join(".s3-cache"); + let reader = ObjectStoreReader::new( + Arc::new(RealFileSystem), + Arc::new(store), + cache_dir, + ); + state.s3_reader = Some(Arc::new(reader)); + } + Err(e) => { + tracing::warn!(error = %e, "failed to initialize S3 reader"); + } + } + } + + cli.command.execute(&state, pipeline).await?; + + Ok(()) +} diff --git a/crates/sq-server/src/cli/serve.rs b/crates/sq-server/src/cli/serve.rs new file mode 100644 index 0000000..89c5bd4 --- /dev/null +++ b/crates/sq-server/src/cli/serve.rs @@ -0,0 +1,173 @@ +use std::net::SocketAddr; +use std::sync::Arc; +use std::time::Duration; + +use notmad::{Component, ComponentInfo, MadError}; +use sq_cluster::membership::{Membership, MembershipConfig}; +use sq_storage::object_store::s3::{S3Config, S3ObjectStore}; +use tokio_util::sync::CancellationToken; + +use sq_models::SyncPolicy; + +use crate::pipeline::WritePipeline; +use crate::shipper::BackgroundShipper; +use crate::sync_task::BackgroundSync; +use crate::{capnp::CapnpServer, grpc, servehttp::ServeHttp, state::State}; + +/// Wraps the WritePipeline as a notmad Component. +struct PipelineComponent { + pipeline: std::sync::Mutex>, +} + +impl Component for PipelineComponent { + fn info(&self) -> ComponentInfo { + "sq-server/pipeline".into() + } + + async fn run(&self, cancellation_token: CancellationToken) -> Result<(), MadError> { + let mut pipeline = self + .pipeline + .lock() + .unwrap() + .take() + .expect("pipeline already taken"); + + tokio::select! { + () = pipeline.run() => {} + () = cancellation_token.cancelled() => {} + } + + Ok(()) + } +} + +#[derive(clap::Parser)] +pub struct ServeCommand { + #[arg(long, env = "SQ_GRPC_HOST", default_value = "127.0.0.1:6060")] + pub(crate) grpc_host: SocketAddr, + + #[arg(long, env = "SQ_HTTP_HOST", default_value = "127.0.0.1:6062")] + http_host: SocketAddr, + + #[arg(long, env = "SQ_CAPNP_HOST", default_value = "127.0.0.1:6064")] + capnp_host: SocketAddr, +} + +impl ServeCommand { + pub async fn execute(&self, state: &State, pipeline: WritePipeline) -> anyhow::Result<()> { + tracing::info!( + node_id = %state.config.node_id, + grpc = %self.grpc_host, + http = %self.http_host, + capnp = %self.capnp_host, + seeds = ?state.config.seeds, + "starting sq-server" + ); + + let membership = Arc::new(Membership::new(MembershipConfig { + node_id: state.config.node_id.clone(), + address: state.config.grpc_address.clone(), + seeds: state.config.seeds.clone(), + ..Default::default() + })); + + // Optionally set up S3 background shipper. + let shipper = if let Some(bucket) = &state.config.s3_bucket { + let s3_config = S3Config { + bucket: bucket.clone(), + region: state + .config + .s3_region + .clone() + .unwrap_or_else(|| "us-east-1".to_string()), + endpoint: state.config.s3_endpoint.clone(), + access_key_id: std::env::var("AWS_ACCESS_KEY_ID").ok(), + secret_access_key: std::env::var("AWS_SECRET_ACCESS_KEY").ok(), + allow_http: state.config.s3_endpoint.is_some(), + }; + + match S3ObjectStore::new(s3_config) { + Ok(store) => { + tracing::info!( + bucket = %bucket, + cluster_id = %state.config.cluster_id, + "S3 background shipper enabled" + ); + let store = Arc::new(store); + + Some(BackgroundShipper::new( + state.clone(), + store, + state.config.cluster_id.clone(), + Duration::from_secs(30), + )) + } + Err(e) => { + tracing::warn!(error = %e, "failed to initialize S3 object store, shipper disabled"); + None + } + } + } else { + None + }; + + // Optionally set up background sync task for Interval sync policy. + let background_sync = if let SyncPolicy::Interval(interval) = &state.config.sync_policy { + tracing::info!(?interval, "background sync enabled"); + Some(BackgroundSync::new(state.engine.clone(), *interval)) + } else { + None + }; + + // Build the component set. We use match to handle optional components + // without storing temporaries (Mad::builder() returns a temporary). + match (shipper, background_sync) { + (Some(shipper), Some(sync)) => { + notmad::Mad::builder() + .add(PipelineComponent { pipeline: std::sync::Mutex::new(Some(pipeline)) }) + .add(grpc::GrpcServer { host: self.grpc_host, state: state.clone(), membership: membership.clone() }) + .add(CapnpServer { host: self.capnp_host, state: state.clone() }) + .add(ServeHttp { host: self.http_host }) + .add(state.drop_queue.clone()) + .add(shipper) + .add(sync) + .run() + .await?; + } + (Some(shipper), None) => { + notmad::Mad::builder() + .add(PipelineComponent { pipeline: std::sync::Mutex::new(Some(pipeline)) }) + .add(grpc::GrpcServer { host: self.grpc_host, state: state.clone(), membership: membership.clone() }) + .add(CapnpServer { host: self.capnp_host, state: state.clone() }) + .add(ServeHttp { host: self.http_host }) + .add(state.drop_queue.clone()) + .add(shipper) + .run() + .await?; + } + (None, Some(sync)) => { + notmad::Mad::builder() + .add(PipelineComponent { pipeline: std::sync::Mutex::new(Some(pipeline)) }) + .add(grpc::GrpcServer { host: self.grpc_host, state: state.clone(), membership: membership.clone() }) + .add(CapnpServer { host: self.capnp_host, state: state.clone() }) + .add(ServeHttp { host: self.http_host }) + .add(state.drop_queue.clone()) + .add(sync) + .run() + .await?; + } + (None, None) => { + notmad::Mad::builder() + .add(PipelineComponent { pipeline: std::sync::Mutex::new(Some(pipeline)) }) + .add(grpc::GrpcServer { host: self.grpc_host, state: state.clone(), membership: membership.clone() }) + .add(CapnpServer { host: self.capnp_host, state: state.clone() }) + .add(ServeHttp { host: self.http_host }) + .add(state.drop_queue.clone()) + .run() + .await?; + } + } + + Ok(()) + } +} diff --git a/crates/sq-server/src/grpc/cluster.rs b/crates/sq-server/src/grpc/cluster.rs new file mode 100644 index 0000000..39bed34 --- /dev/null +++ b/crates/sq-server/src/grpc/cluster.rs @@ -0,0 +1,170 @@ +use std::pin::Pin; +use std::sync::Arc; + +use sq_cluster::membership::Membership; +use sq_grpc_interface::{ + cluster_service_server::ClusterService, ClusterNodeInfo, FetchSegmentRequest, + FetchSegmentResponse, HeartbeatRequest, HeartbeatResponse, JoinRequest, JoinResponse, + ReplicateEntriesRequest, ReplicateEntriesResponse, +}; +use tokio_stream::Stream; +use tonic::Status; + +use crate::metrics; +use crate::state::State; + +pub struct ClusterServer { + pub state: State, + pub membership: Arc, +} + +#[tonic::async_trait] +impl ClusterService for ClusterServer { + #[tracing::instrument(skip_all, fields(rpc.method = "ReplicateEntries", sq.topic, sq.partition, sq.entry_count))] + async fn replicate_entries( + &self, + request: tonic::Request, + ) -> Result, Status> { + let req = request.into_inner(); + let span = tracing::Span::current(); + span.record("sq.topic", &req.topic); + span.record("sq.partition", req.partition); + span.record("sq.entry_count", req.entries.len()); + + let mut last_offset = 0u64; + for entry_bytes in &req.entries { + let offset = self + .state + .engine + .append(&req.topic, req.partition, None, entry_bytes, &[], 0) + .map_err(|e| Status::internal(e.to_string()))?; + last_offset = offset; + } + + metrics::record_replicate_entries(req.entries.len() as u64); + + Ok(tonic::Response::new(ReplicateEntriesResponse { + last_replicated_offset: last_offset, + })) + } + + #[tracing::instrument(skip_all, fields(rpc.method = "Join", sq.joining_node_id, sq.joining_address))] + async fn join( + &self, + request: tonic::Request, + ) -> Result, Status> { + let req = request.into_inner(); + let span = tracing::Span::current(); + span.record("sq.joining_node_id", &req.node_id); + span.record("sq.joining_address", &req.address); + + // Record the joining node. + self.membership + .record_heartbeat(&req.node_id, &req.address) + .await; + + tracing::info!( + node_id = %req.node_id, + address = %req.address, + "node joined cluster" + ); + + // Return current membership list. + let members = self.membership.all_members().await; + let member_infos: Vec = members + .into_iter() + .map(|m| ClusterNodeInfo { + node_id: m.node_id, + address: m.address, + status: m.status.to_string(), + }) + .collect(); + + Ok(tonic::Response::new(JoinResponse { + members: member_infos, + })) + } + + #[tracing::instrument(skip_all, fields(rpc.method = "Heartbeat", sq.from_node))] + async fn heartbeat( + &self, + request: tonic::Request, + ) -> Result, Status> { + let req = request.into_inner(); + tracing::Span::current().record("sq.from_node", &req.node_id); + + // Record heartbeat from the sender. + let sender_address = req + .known_members + .iter() + .find(|m| m.node_id == req.node_id) + .map(|m| m.address.clone()) + .unwrap_or_default(); + + self.membership + .record_heartbeat(&req.node_id, &sender_address) + .await; + + // Merge any members we don't know about. + let discovered: Vec<(String, String)> = req + .known_members + .iter() + .map(|m| (m.node_id.clone(), m.address.clone())) + .collect(); + self.membership.merge_members(discovered).await; + + // Return our view of the membership. + let members = self.membership.all_members().await; + let member_infos: Vec = members + .into_iter() + .map(|m| ClusterNodeInfo { + node_id: m.node_id, + address: m.address, + status: m.status.to_string(), + }) + .collect(); + + Ok(tonic::Response::new(HeartbeatResponse { + members: member_infos, + })) + } + + type FetchSegmentStream = + Pin> + Send + 'static>>; + + #[tracing::instrument(skip_all, fields(rpc.method = "FetchSegment", sq.topic, sq.partition, sq.from_offset))] + async fn fetch_segment( + &self, + request: tonic::Request, + ) -> Result, Status> { + let req = request.into_inner(); + let span = tracing::Span::current(); + span.record("sq.topic", &req.topic); + span.record("sq.partition", req.partition); + span.record("sq.from_offset", req.from_offset); + + // Read messages from the requested offset. No lock needed. + let messages = self + .state + .engine + .read(&req.topic, req.partition, req.from_offset, 10_000) + .map_err(|e| Status::internal(e.to_string()))?; + + // Stream raw message data back in chunks. + let stream = async_stream::try_stream! { + const CHUNK_SIZE: usize = 100; + for batch in messages.chunks(CHUNK_SIZE) { + let mut chunk_data = Vec::new(); + for msg in batch { + // Simple wire format: offset(8) + value_len(4) + value + chunk_data.extend_from_slice(&msg.offset.to_le_bytes()); + chunk_data.extend_from_slice(&(msg.value.len() as u32).to_le_bytes()); + chunk_data.extend_from_slice(&msg.value); + } + yield FetchSegmentResponse { chunk: chunk_data }; + } + }; + + Ok(tonic::Response::new(Box::pin(stream) as Self::FetchSegmentStream)) + } +} diff --git a/crates/sq-server/src/grpc/control_plane.rs b/crates/sq-server/src/grpc/control_plane.rs new file mode 100644 index 0000000..1350337 --- /dev/null +++ b/crates/sq-server/src/grpc/control_plane.rs @@ -0,0 +1,146 @@ +use sq_grpc_interface::{ + control_plane_service_server::ControlPlaneService, CreateConsumerGroupRequest, + CreateConsumerGroupResponse, CreateTopicRequest, CreateTopicResponse, DeleteTopicRequest, + DeleteTopicResponse, DescribeTopicRequest, DescribeTopicResponse, ListTopicsRequest, + ListTopicsResponse, PartitionInfo, TopicInfo, +}; +use tonic::Status; + +use crate::grpc::error; +use crate::metrics; +use crate::state::State; + +pub struct ControlPlaneServer { + pub state: State, +} + +#[tonic::async_trait] +impl ControlPlaneService for ControlPlaneServer { + #[tracing::instrument(skip_all, fields(rpc.method = "CreateTopic", sq.topic))] + async fn create_topic( + &self, + request: tonic::Request, + ) -> Result, Status> { + let req = request.into_inner(); + tracing::Span::current().record("sq.topic", &req.name); + + if req.name.is_empty() { + return Err(Status::invalid_argument("topic name must not be empty")); + } + + let partitions = if req.partitions == 0 { 1 } else { req.partitions }; + let replication_factor = if req.replication_factor == 0 { + 3 + } else { + req.replication_factor + }; + + let config = sq_models::TopicConfig::new(req.name.as_str()) + .with_partitions(partitions) + .with_replication_factor(replication_factor); + + self.state.engine.create_topic(config).map_err(|e| { + if e.to_string().contains("already exists") { + Status::already_exists(e.to_string()) + } else { + error::internal(e) + } + })?; + + metrics::record_topic_created(); + + Ok(tonic::Response::new(CreateTopicResponse { + name: req.name, + })) + } + + #[tracing::instrument(skip_all, fields(rpc.method = "DeleteTopic", sq.topic))] + async fn delete_topic( + &self, + request: tonic::Request, + ) -> Result, Status> { + let req = request.into_inner(); + tracing::Span::current().record("sq.topic", &req.name); + + if req.name.is_empty() { + return Err(Status::invalid_argument("topic name must not be empty")); + } + + self.state.engine.delete_topic(&req.name).map_err(|e| { + if e.to_string().contains("not found") { + Status::not_found(e.to_string()) + } else { + error::internal(e) + } + })?; + + Ok(tonic::Response::new(DeleteTopicResponse {})) + } + + #[tracing::instrument(skip_all, fields(rpc.method = "ListTopics"))] + async fn list_topics( + &self, + _request: tonic::Request, + ) -> Result, Status> { + let topics = self.state.engine.list_topics(); + + let topic_infos: Vec = topics + .into_iter() + .map(|t| TopicInfo { + name: t.name.to_string(), + partitions: t.partitions, + replication_factor: t.replication_factor, + }) + .collect(); + + Ok(tonic::Response::new(ListTopicsResponse { + topics: topic_infos, + })) + } + + #[tracing::instrument(skip_all, fields(rpc.method = "DescribeTopic", sq.topic))] + async fn describe_topic( + &self, + request: tonic::Request, + ) -> Result, Status> { + let req = request.into_inner(); + tracing::Span::current().record("sq.topic", &req.name); + + let topic_config = self + .state + .engine + .get_topic(&req.name) + .ok_or_else(|| Status::not_found(format!("topic '{}' not found", req.name)))?; + + let topic_info = TopicInfo { + name: topic_config.name.to_string(), + partitions: topic_config.partitions, + replication_factor: topic_config.replication_factor, + }; + + // Build partition info with offset ranges. + let mut partition_info = Vec::new(); + for p in 0..topic_config.partitions { + let latest = self.state.engine.latest_offset(&req.name, p); + partition_info.push(PartitionInfo { + partition: p, + earliest_offset: 0, + latest_offset: latest, + }); + } + + Ok(tonic::Response::new(DescribeTopicResponse { + topic: Some(topic_info), + partition_info, + })) + } + + #[tracing::instrument(skip_all, fields(rpc.method = "CreateConsumerGroup"))] + async fn create_consumer_group( + &self, + _request: tonic::Request, + ) -> Result, Status> { + // Consumer groups are implicit in our design - they exist as soon as someone uses them. + Ok(tonic::Response::new(CreateConsumerGroupResponse {})) + } +} diff --git a/crates/sq-server/src/grpc/data_plane.rs b/crates/sq-server/src/grpc/data_plane.rs new file mode 100644 index 0000000..4141778 --- /dev/null +++ b/crates/sq-server/src/grpc/data_plane.rs @@ -0,0 +1,334 @@ +use std::pin::Pin; +use std::sync::Arc; + +use sq_grpc_interface::{ + data_plane_service_server::DataPlaneService, AckRequest, AckResponse, AckMode, + ConsumedMessage, MessageHeader, PublishRequest, PublishResponse, PublishResult, + SubscribeRequest, SubscribeResponse, +}; +use sq_sim::fs::RealFileSystem; +use sq_storage::object_store::layout; +use sq_storage::object_store::reader::ObjectStoreReader; +use sq_storage::object_store::s3::S3ObjectStore; +use tokio_stream::Stream; +use tonic::Status; + +use crate::grpc::error; +use crate::metrics; +use crate::pipeline::PipelineMessage; +use crate::state::State; + +pub struct DataPlaneServer { + pub state: State, +} + +fn to_pipeline_messages( + messages: Vec, +) -> Vec { + let timestamp_ms = std::time::SystemTime::now() + .duration_since(std::time::UNIX_EPOCH) + .unwrap_or_default() + .as_millis() as u64; + + messages + .into_iter() + .map(|msg| PipelineMessage { + topic: msg.topic, + partition: 0, + key: msg.key, + value: msg.value, + headers: msg + .headers + .into_iter() + .map(|h| sq_models::Header { + key: h.key, + value: h.value, + }) + .collect(), + timestamp_ms, + }) + .collect() +} + +#[tonic::async_trait] +impl DataPlaneService for DataPlaneServer { + #[tracing::instrument( + skip_all, + fields( + rpc.method = "Publish", + sq.message_count, + sq.ack_mode, + ) + )] + async fn publish( + &self, + request: tonic::Request, + ) -> Result, Status> { + let req = request.into_inner(); + let span = tracing::Span::current(); + span.record("sq.message_count", req.messages.len()); + + if req.messages.is_empty() { + return Err(Status::invalid_argument("messages must not be empty")); + } + + let start = std::time::Instant::now(); + + let ack_mode = req + .settings + .as_ref() + .map(|s| AckMode::try_from(s.ack_mode).unwrap_or(AckMode::All)) + .unwrap_or(AckMode::All); + + // For ACK_MODE_NONE, fire-and-forget via the pipeline. + if ack_mode == AckMode::None { + let results: Vec = req + .messages + .iter() + .map(|msg| PublishResult { + topic: msg.topic.clone(), + partition: 0, + offset: 0, + }) + .collect(); + + let pipeline_msgs = to_pipeline_messages(req.messages); + self.state.pipeline.submit_fire_and_forget(pipeline_msgs).await; + + let first_topic = results.first().map(|r| r.topic.as_str()).unwrap_or(""); + metrics::record_messages_published(first_topic, results.len() as u64); + metrics::record_publish_duration(first_topic, start); + return Ok(tonic::Response::new(PublishResponse { results })); + } + + // Validate topics before submitting. + for msg in &req.messages { + if msg.topic.is_empty() { + return Err(Status::invalid_argument("topic must not be empty")); + } + } + + // Standard (ACK_MODE_ALL / ACK_MODE_LOCAL) - submit to pipeline and wait for ack. + let pipeline_msgs = to_pipeline_messages(req.messages); + let pipeline_results = self + .state + .pipeline + .submit(pipeline_msgs) + .await + .map_err(|e| error::internal(anyhow::anyhow!(e)))?; + + let results: Vec = pipeline_results + .into_iter() + .map(|r| PublishResult { + topic: r.topic, + partition: r.partition, + offset: r.offset, + }) + .collect(); + + let first_topic = results.first().map(|r| r.topic.as_str()).unwrap_or(""); + metrics::record_messages_published(first_topic, results.len() as u64); + metrics::record_publish_duration(first_topic, start); + + Ok(tonic::Response::new(PublishResponse { results })) + } + + type SubscribeStream = + Pin> + Send + 'static>>; + + #[tracing::instrument( + skip_all, + fields( + rpc.method = "Subscribe", + sq.topic, + sq.partition, + sq.consumer_group, + ) + )] + async fn subscribe( + &self, + request: tonic::Request, + ) -> Result, Status> { + let req = request.into_inner(); + let span = tracing::Span::current(); + span.record("sq.topic", &req.topic); + span.record("sq.partition", req.partition); + span.record("sq.consumer_group", &req.consumer_group); + + if req.topic.is_empty() { + return Err(Status::invalid_argument("topic must not be empty")); + } + + let batch_size = if req.max_batch_size == 0 { + 100 + } else { + req.max_batch_size as usize + }; + + // If no explicit start_offset, try using the committed offset for the consumer group. + let start_offset = match req.start_offset { + Some(offset) => offset, + None => { + if !req.consumer_group.is_empty() { + self.state + .engine + .get_committed_offset(&req.consumer_group, &req.topic, req.partition) + .unwrap_or(0) + } else { + 0 + } + } + }; + let topic = req.topic.clone(); + let partition = req.partition; + let state = self.state.clone(); + + let stream = async_stream::try_stream! { + let mut current_offset = start_offset; + + loop { + let messages = state.engine + .read(&topic, partition, current_offset, batch_size) + .map_err(|e| error::internal(e))?; + + // If local WAL is empty and S3 reader is available, try S3 fallback. + let messages = if messages.is_empty() { + if let Some(ref s3_reader) = state.s3_reader { + read_from_s3( + s3_reader, + &state.config.cluster_id, + &topic, + partition, + current_offset, + batch_size, + ) + .await + .unwrap_or_default() + } else { + messages + } + } else { + messages + }; + + if messages.is_empty() { + // Poll interval when caught up. + tokio::time::sleep(tokio::time::Duration::from_millis(100)).await; + continue; + } + + let consumed: Vec = messages + .iter() + .map(|m| { + current_offset = m.offset + 1; + ConsumedMessage { + offset: m.offset, + topic: m.topic.to_string(), + partition: m.partition, + key: m.key.clone().unwrap_or_default(), + value: m.value.clone(), + headers: m + .headers + .iter() + .map(|h| MessageHeader { + key: h.key.clone(), + value: h.value.clone(), + }) + .collect(), + timestamp_ms: m.timestamp_ms, + } + }) + .collect(); + + metrics::record_messages_consumed(&topic, consumed.len() as u64); + metrics::record_subscribe_batch(&topic); + + yield SubscribeResponse { messages: consumed }; + } + }; + + Ok(tonic::Response::new(Box::pin(stream))) + } + + #[tracing::instrument( + skip_all, + fields( + rpc.method = "Ack", + sq.topic, + sq.partition, + sq.consumer_group, + sq.offset, + ) + )] + async fn ack( + &self, + request: tonic::Request, + ) -> Result, Status> { + let req = request.into_inner(); + let span = tracing::Span::current(); + span.record("sq.topic", &req.topic); + span.record("sq.partition", req.partition); + span.record("sq.consumer_group", &req.consumer_group); + span.record("sq.offset", req.offset); + + if req.consumer_group.is_empty() { + return Err(Status::invalid_argument("consumer_group must not be empty")); + } + if req.topic.is_empty() { + return Err(Status::invalid_argument("topic must not be empty")); + } + + self.state + .engine + .commit_offset(&req.consumer_group, &req.topic, req.partition, req.offset) + .map_err(|e| error::internal(e))?; + + metrics::record_ack(&req.topic); + + Ok(tonic::Response::new(AckResponse {})) + } +} + +/// Try to read messages from S3 when local WAL is empty (segments have been shipped and trimmed). +async fn read_from_s3( + reader: &Arc>, + cluster_id: &str, + topic: &str, + partition: u32, + from_offset: u64, + limit: usize, +) -> anyhow::Result> { + // List all segment keys for this topic-partition. + let prefix = layout::topic_partition_prefix(cluster_id, topic, partition); + + // We need to use the ObjectStore trait's list method through the reader's store. + // For now, we'll use a simpler approach: try to find and read the segment containing our offset. + // This works because segment keys are lexicographically ordered. + let keys = reader.list_segment_keys(&prefix).await?; + + let mut messages = Vec::new(); + + for key in &keys { + if messages.len() >= limit { + break; + } + + // Parse the segment key to check offset range. + if let Some((_, _, _, _base_offset, end_offset)) = layout::parse_segment_key(key) { + // Skip segments that are entirely before our requested offset. + if end_offset < from_offset { + continue; + } + + let segment_msgs = reader.read_segment(key, from_offset).await?; + for msg in segment_msgs { + if messages.len() >= limit { + break; + } + messages.push(msg); + } + } + } + + Ok(messages) +} diff --git a/crates/sq-server/src/grpc/error.rs b/crates/sq-server/src/grpc/error.rs new file mode 100644 index 0000000..28adc34 --- /dev/null +++ b/crates/sq-server/src/grpc/error.rs @@ -0,0 +1,13 @@ +use tonic::Status; + +pub fn internal(err: impl std::fmt::Display) -> Status { + Status::internal(err.to_string()) +} + +pub fn not_found(msg: impl Into) -> Status { + Status::not_found(msg) +} + +pub fn invalid_argument(msg: impl Into) -> Status { + Status::invalid_argument(msg) +} diff --git a/crates/sq-server/src/grpc/health.rs b/crates/sq-server/src/grpc/health.rs new file mode 100644 index 0000000..7514f02 --- /dev/null +++ b/crates/sq-server/src/grpc/health.rs @@ -0,0 +1,23 @@ +use sq_grpc_interface::{ + status_service_server::StatusService, GetStatusRequest, GetStatusResponse, +}; + +use crate::state::State; + +pub struct HealthServer { + pub state: State, +} + +#[tonic::async_trait] +impl StatusService for HealthServer { + #[tracing::instrument(skip_all, fields(rpc.method = "Status"))] + async fn status( + &self, + _request: tonic::Request, + ) -> Result, tonic::Status> { + Ok(tonic::Response::new(GetStatusResponse { + node_id: self.state.config.node_id.clone(), + cluster: None, + })) + } +} diff --git a/crates/sq-server/src/grpc/mod.rs b/crates/sq-server/src/grpc/mod.rs new file mode 100644 index 0000000..27728c3 --- /dev/null +++ b/crates/sq-server/src/grpc/mod.rs @@ -0,0 +1,79 @@ +use std::net::SocketAddr; +use std::sync::Arc; + +use notmad::MadError; +use sq_cluster::membership::Membership; +use sq_grpc_interface::{ + cluster_service_server::ClusterServiceServer, + control_plane_service_server::ControlPlaneServiceServer, + data_plane_service_server::DataPlaneServiceServer, + status_service_server::StatusServiceServer, +}; +use tokio_util::sync::CancellationToken; + +use crate::state::State; + +pub mod cluster; +pub mod control_plane; +pub mod data_plane; +pub mod error; +pub mod health; + +pub struct GrpcServer { + pub host: SocketAddr, + pub state: State, + pub membership: Arc, +} + +impl GrpcServer { + pub async fn serve(&self, cancellation_token: CancellationToken) -> anyhow::Result<()> { + tracing::info!("serving grpc on {}", self.host); + + tonic::transport::Server::builder() + .trace_fn(|request| { + tracing::info_span!( + "grpc", + otel.kind = "server", + rpc.system = "grpc", + rpc.service = tracing::field::Empty, + rpc.method = %request.uri().path(), + ) + }) + .add_service(StatusServiceServer::new(health::HealthServer { + state: self.state.clone(), + })) + .add_service(DataPlaneServiceServer::new(data_plane::DataPlaneServer { + state: self.state.clone(), + })) + .add_service(ControlPlaneServiceServer::new( + control_plane::ControlPlaneServer { + state: self.state.clone(), + }, + )) + .add_service(ClusterServiceServer::new(cluster::ClusterServer { + state: self.state.clone(), + membership: self.membership.clone(), + })) + .serve_with_shutdown( + self.host, + async move { cancellation_token.cancelled().await }, + ) + .await?; + + Ok(()) + } +} + +impl notmad::Component for GrpcServer { + fn info(&self) -> notmad::ComponentInfo { + "sq-server/grpc".into() + } + + async fn run(&self, cancellation_token: CancellationToken) -> Result<(), MadError> { + self.serve(cancellation_token) + .await + .map_err(MadError::Inner)?; + + Ok(()) + } +} diff --git a/crates/sq-server/src/lib.rs b/crates/sq-server/src/lib.rs new file mode 100644 index 0000000..0d03baa --- /dev/null +++ b/crates/sq-server/src/lib.rs @@ -0,0 +1,10 @@ +pub mod capnp; +pub mod cli; +pub mod grpc; +pub mod metrics; +pub mod otel; +pub mod pipeline; +pub mod servehttp; +pub mod shipper; +pub mod state; +pub mod sync_task; diff --git a/crates/sq-server/src/main.rs b/crates/sq-server/src/main.rs index b94ed05..4317d61 100644 --- a/crates/sq-server/src/main.rs +++ b/crates/sq-server/src/main.rs @@ -1,3 +1,27 @@ -fn main() { - println!("sq-server"); +use sq_server::cli; +use sq_server::otel::{LogFormat, OtelConfig}; + +#[tokio::main] +async fn main() -> anyhow::Result<()> { + dotenvy::dotenv().ok(); + + let log_format = match std::env::var("LOG_LEVEL") + .as_ref() + .map(|r| r.as_str()) + { + Ok("json") => LogFormat::Json, + Ok("short") => LogFormat::Short, + _ => LogFormat::Pretty, + }; + + let _otel_guard = sq_server::otel::init(OtelConfig { + service_name: "sq-server".to_string(), + node_id: std::env::var("SQ_NODE_ID").unwrap_or_else(|_| "node-1".to_string()), + otlp_endpoint: std::env::var("OTEL_EXPORTER_OTLP_ENDPOINT").ok(), + log_format, + })?; + + cli::execute().await?; + + Ok(()) } diff --git a/crates/sq-server/src/metrics.rs b/crates/sq-server/src/metrics.rs new file mode 100644 index 0000000..1089ae3 --- /dev/null +++ b/crates/sq-server/src/metrics.rs @@ -0,0 +1,85 @@ +use opentelemetry::metrics::{Counter, Histogram, Meter}; +use opentelemetry::KeyValue; +use std::sync::LazyLock; +use std::time::Instant; + +static METER: LazyLock = LazyLock::new(|| opentelemetry::global::meter("sq-server")); + +static MESSAGES_PUBLISHED: LazyLock> = LazyLock::new(|| { + METER + .u64_counter("sq.messages.published") + .with_description("Total messages published") + .build() +}); + +static MESSAGES_CONSUMED: LazyLock> = LazyLock::new(|| { + METER + .u64_counter("sq.messages.consumed") + .with_description("Total messages consumed via subscribe") + .build() +}); + +static PUBLISH_DURATION: LazyLock> = LazyLock::new(|| { + METER + .f64_histogram("sq.publish.duration_ms") + .with_description("Publish RPC duration in milliseconds") + .with_unit("ms") + .build() +}); + +static SUBSCRIBE_BATCHES: LazyLock> = LazyLock::new(|| { + METER + .u64_counter("sq.subscribe.batches") + .with_description("Total subscribe batches sent") + .build() +}); + +static ACK_TOTAL: LazyLock> = LazyLock::new(|| { + METER + .u64_counter("sq.ack.total") + .with_description("Total ack (offset commit) operations") + .build() +}); + +static TOPICS_CREATED: LazyLock> = LazyLock::new(|| { + METER + .u64_counter("sq.topics.created") + .with_description("Total topics created") + .build() +}); + +static REPLICATE_ENTRIES: LazyLock> = LazyLock::new(|| { + METER + .u64_counter("sq.replicate.entries") + .with_description("Total entries replicated from other nodes") + .build() +}); + +pub fn record_messages_published(topic: &str, count: u64) { + MESSAGES_PUBLISHED.add(count, &[KeyValue::new("sq.topic", topic.to_string())]); +} + +pub fn record_messages_consumed(topic: &str, count: u64) { + MESSAGES_CONSUMED.add(count, &[KeyValue::new("sq.topic", topic.to_string())]); +} + +pub fn record_publish_duration(topic: &str, start: Instant) { + let duration_ms = start.elapsed().as_secs_f64() * 1000.0; + PUBLISH_DURATION.record(duration_ms, &[KeyValue::new("sq.topic", topic.to_string())]); +} + +pub fn record_subscribe_batch(topic: &str) { + SUBSCRIBE_BATCHES.add(1, &[KeyValue::new("sq.topic", topic.to_string())]); +} + +pub fn record_ack(topic: &str) { + ACK_TOTAL.add(1, &[KeyValue::new("sq.topic", topic.to_string())]); +} + +pub fn record_topic_created() { + TOPICS_CREATED.add(1, &[]); +} + +pub fn record_replicate_entries(count: u64) { + REPLICATE_ENTRIES.add(count, &[]); +} diff --git a/crates/sq-server/src/otel.rs b/crates/sq-server/src/otel.rs new file mode 100644 index 0000000..c698d69 --- /dev/null +++ b/crates/sq-server/src/otel.rs @@ -0,0 +1,121 @@ +use opentelemetry::trace::TracerProvider as _; +use opentelemetry::KeyValue; +use opentelemetry_otlp::WithExportConfig; +use opentelemetry_sdk::metrics::SdkMeterProvider; +use opentelemetry_sdk::trace::SdkTracerProvider; +use opentelemetry_sdk::Resource; +use tracing_opentelemetry::OpenTelemetryLayer; +use tracing_subscriber::layer::SubscriberExt; +use tracing_subscriber::util::SubscriberInitExt; +use tracing_subscriber::{EnvFilter, Layer}; + +/// Configuration for OpenTelemetry. +pub struct OtelConfig { + pub service_name: String, + pub node_id: String, + pub otlp_endpoint: Option, + pub log_format: LogFormat, +} + +pub enum LogFormat { + Pretty, + Json, + Short, +} + +/// Initialized OTel guard. Drop to flush and shut down providers. +pub struct OtelGuard { + tracer_provider: Option, + meter_provider: Option, +} + +impl Drop for OtelGuard { + fn drop(&mut self) { + if let Some(provider) = self.meter_provider.take() + && let Err(e) = provider.shutdown() + { + eprintln!("failed to shut down OTel meter provider: {e}"); + } + if let Some(provider) = self.tracer_provider.take() + && let Err(e) = provider.shutdown() + { + eprintln!("failed to shut down OTel tracer provider: {e}"); + } + } +} + +/// Initialize tracing and metrics with optional OpenTelemetry export. +/// +/// If `otlp_endpoint` is set, spans and metrics are exported via OTLP/gRPC. +/// Otherwise, only local logging is configured. +pub fn init(config: OtelConfig) -> anyhow::Result { + let env_filter = EnvFilter::from_default_env().add_directive("notmad=trace".parse()?); + + let resource = Resource::builder() + .with_attributes([ + KeyValue::new( + opentelemetry_semantic_conventions::attribute::SERVICE_NAME, + config.service_name.clone(), + ), + KeyValue::new("sq.node_id", config.node_id.clone()), + ]) + .build(); + + let (tracer_provider, meter_provider, otel_layer) = match &config.otlp_endpoint { + Some(endpoint) => { + // Traces + let span_exporter = opentelemetry_otlp::SpanExporter::builder() + .with_tonic() + .with_endpoint(endpoint) + .build()?; + + let tp = SdkTracerProvider::builder() + .with_resource(resource.clone()) + .with_batch_exporter(span_exporter) + .build(); + + let tracer = tp.tracer("sq-server"); + + // Metrics + let metric_exporter = opentelemetry_otlp::MetricExporter::builder() + .with_tonic() + .with_endpoint(endpoint) + .build()?; + + let mp = SdkMeterProvider::builder() + .with_resource(resource) + .with_periodic_exporter(metric_exporter) + .build(); + + // Register the global meter provider so opentelemetry::global::meter() works. + opentelemetry::global::set_meter_provider(mp.clone()); + + let layer = OpenTelemetryLayer::new(tracer); + + (Some(tp), Some(mp), Some(layer)) + } + None => (None, None, None), + }; + + let fmt_layer = match config.log_format { + LogFormat::Json => tracing_subscriber::fmt::layer().json().boxed(), + LogFormat::Short => tracing_subscriber::fmt::layer() + .with_line_number(false) + .with_target(false) + .with_file(false) + .with_level(true) + .boxed(), + LogFormat::Pretty => tracing_subscriber::fmt::layer().pretty().boxed(), + }; + + tracing_subscriber::registry() + .with(env_filter) + .with(fmt_layer) + .with(otel_layer) + .init(); + + Ok(OtelGuard { + tracer_provider, + meter_provider, + }) +} diff --git a/crates/sq-server/src/pipeline.rs b/crates/sq-server/src/pipeline.rs new file mode 100644 index 0000000..1e7a3ec --- /dev/null +++ b/crates/sq-server/src/pipeline.rs @@ -0,0 +1,211 @@ +use std::collections::HashMap; +use std::sync::Arc; + +use sq_models::Header; +use sq_sim::fs::RealFileSystem; +use sq_sim::RealClock; +use sq_storage::engine::StorageEngine; +use tokio::sync::{mpsc, oneshot}; + +/// A single message submitted to the pipeline. +pub struct PipelineMessage { + pub topic: String, + pub partition: u32, + pub key: Vec, + pub value: Vec, + pub headers: Vec
, + pub timestamp_ms: u64, +} + +/// Result returned for each published message. +pub struct PipelineResult { + pub topic: String, + pub partition: u32, + pub offset: u64, +} + +/// A request sent through the channel: a batch of messages + reply channel. +struct PipelineRequest { + messages: Vec, + reply: oneshot::Sender, String>>, +} + +/// Send-side handle for submitting messages to the write pipeline. +#[derive(Clone)] +pub struct PipelineHandle { + tx: mpsc::Sender, +} + +impl PipelineHandle { + /// Submit messages to the pipeline and wait for durable ack. + /// Returns the assigned offsets once the batch has been fsync'd. + pub async fn submit( + &self, + messages: Vec, + ) -> Result, String> { + let (reply_tx, reply_rx) = oneshot::channel(); + let req = PipelineRequest { + messages, + reply: reply_tx, + }; + self.tx + .send(req) + .await + .map_err(|_| "pipeline closed".to_string())?; + reply_rx.await.map_err(|_| "pipeline dropped".to_string())? + } + + /// Fire-and-forget submit (for ACK_MODE_NONE). + pub async fn submit_fire_and_forget(&self, messages: Vec) { + let (reply_tx, _reply_rx) = oneshot::channel(); + let req = PipelineRequest { + messages, + reply: reply_tx, + }; + // Best-effort send, ignore errors. + let _ = self.tx.send(req).await; + } +} + +/// Receive-side of the pipeline that batches and flushes writes. +pub struct WritePipeline { + rx: mpsc::Receiver, + engine: Arc>, +} + +/// Create a pipeline handle + runner pair. +pub fn create_pipeline( + engine: Arc>, + capacity: usize, +) -> (PipelineHandle, WritePipeline) { + let (tx, rx) = mpsc::channel(capacity); + (PipelineHandle { tx }, WritePipeline { rx, engine }) +} + +impl WritePipeline { + /// Run the pipeline loop. Exits when all senders are dropped or the + /// cancellation token is triggered (caller should select on both). + pub async fn run(&mut self) { + loop { + // Block until at least one request arrives. + let first = match self.rx.recv().await { + Some(req) => req, + None => return, // Channel closed. + }; + + // Drain any additional pending requests (group commit). + let mut batch = vec![first]; + while let Ok(req) = self.rx.try_recv() { + batch.push(req); + } + + self.flush_batch(batch).await; + } + } + + async fn flush_batch(&self, mut requests: Vec) { + // Group all messages by (topic, partition). + // We keep track of which request+index each message belongs to so we + // can route results back. + struct Tracking { + request_idx: usize, + message_idx: usize, + } + + // Count messages per request before draining (for result slot allocation). + let msg_counts: Vec = requests.iter().map(|r| r.messages.len()).collect(); + + let mut grouped: HashMap<(String, u32), (Vec<(Option>, Vec, Vec
, u64)>, Vec)> = HashMap::new(); + + for (req_idx, req) in requests.iter_mut().enumerate() { + for (msg_idx, msg) in req.messages.drain(..).enumerate() { + let key = (msg.topic, msg.partition); + let entry = grouped.entry(key).or_insert_with(|| (Vec::new(), Vec::new())); + entry.0.push(( + if msg.key.is_empty() { None } else { Some(msg.key) }, + msg.value, + msg.headers, + msg.timestamp_ms, + )); + entry.1.push(Tracking { request_idx: req_idx, message_idx: msg_idx }); + } + } + + // Prepare result slots. + let mut results: Vec, String>> = msg_counts + .iter() + .map(|&count| { + Ok((0..count) + .map(|_| PipelineResult { + topic: String::new(), + partition: 0, + offset: 0, + }) + .collect()) + }) + .collect(); + + // Split grouped data into messages (moved into spawn_blocking) and tracking (kept here). + let mut partition_messages: Vec<( + String, + u32, + Vec<(Option>, Vec, Vec
, u64)>, + )> = Vec::new(); + let mut partition_tracking: Vec> = Vec::new(); + + for ((topic, partition), (messages, tracking)) in grouped { + partition_messages.push((topic, partition, messages)); + partition_tracking.push(tracking); + } + + // Flush each topic-partition batch concurrently via spawn_blocking. + // Each partition acquires only its own lock inside the engine. + let mut handles = Vec::with_capacity(partition_messages.len()); + for (topic, partition, messages) in partition_messages { + let engine = self.engine.clone(); + handles.push(tokio::task::spawn_blocking(move || { + let batch_refs: Vec<(Option<&[u8]>, &[u8], &[Header], u64)> = messages + .iter() + .map(|(k, v, h, ts)| (k.as_deref(), v.as_slice(), h.as_slice(), *ts)) + .collect(); + let result = engine.append_batch(&topic, partition, &batch_refs); + (topic, partition, result) + })); + } + + // Await all writes and route results back. + for (handle, tracking) in handles.into_iter().zip(partition_tracking) { + match handle.await { + Ok((topic, partition, Ok(offsets))) => { + for (i, track) in tracking.iter().enumerate() { + if let Ok(ref mut res) = results[track.request_idx] { + res[track.message_idx] = PipelineResult { + topic: topic.clone(), + partition, + offset: offsets[i], + }; + } + } + } + Ok((_topic, _partition, Err(e))) => { + let err_msg = e.to_string(); + for track in &tracking { + results[track.request_idx] = Err(err_msg.clone()); + } + } + Err(e) => { + // spawn_blocking panicked. + let err_msg = format!("write task panicked: {e}"); + for track in &tracking { + results[track.request_idx] = Err(err_msg.clone()); + } + } + } + } + + // Reply to all waiters. + for (req, result) in requests.into_iter().zip(results) { + let _ = req.reply.send(result); + } + } +} diff --git a/crates/sq-server/src/servehttp.rs b/crates/sq-server/src/servehttp.rs new file mode 100644 index 0000000..5c38af7 --- /dev/null +++ b/crates/sq-server/src/servehttp.rs @@ -0,0 +1,40 @@ +use std::net::SocketAddr; + +use anyhow::Context; +use axum::routing::get; +use notmad::{Component, ComponentInfo, MadError}; +use tokio::net::TcpListener; +use tokio_util::sync::CancellationToken; +use tower_http::trace::TraceLayer; + +pub struct ServeHttp { + pub host: SocketAddr, +} + +impl Component for ServeHttp { + fn info(&self) -> ComponentInfo { + "sq-server/http".into() + } + + async fn run(&self, cancellation_token: CancellationToken) -> Result<(), MadError> { + tracing::info!("serving http on {}", self.host); + + let router = axum::Router::new() + .route("/health", get(|| async { "ok" })) + .route("/ready", get(|| async { "ok" })) + .layer(TraceLayer::new_for_http()); + + let listener = TcpListener::bind(&self.host) + .await + .context("failed to bind http port")?; + + axum::serve(listener, router.into_make_service()) + .with_graceful_shutdown(async move { + cancellation_token.cancelled().await; + }) + .await + .context("http server failed")?; + + Ok(()) + } +} diff --git a/crates/sq-server/src/shipper.rs b/crates/sq-server/src/shipper.rs new file mode 100644 index 0000000..9a16d17 --- /dev/null +++ b/crates/sq-server/src/shipper.rs @@ -0,0 +1,101 @@ +use std::sync::Arc; +use std::time::Duration; + +use notmad::{Component, ComponentInfo, MadError}; +use sq_sim::fs::RealFileSystem; +use sq_storage::object_store::s3::S3ObjectStore; +use sq_storage::object_store::shipper::{SegmentShipper, ShippedSegments}; +use tokio::sync::Mutex; +use tokio_util::sync::CancellationToken; + +use crate::state::State; + +/// Background component that periodically ships closed WAL segments to S3 +/// and trims local files after successful upload. +pub struct BackgroundShipper { + state: State, + shipper: SegmentShipper, + interval: Duration, +} + +impl BackgroundShipper { + pub fn new( + state: State, + object_store: Arc, + cluster_id: String, + interval: Duration, + ) -> Self { + let fs = Arc::new(sq_sim::fs::RealFileSystem); + let shipped = Arc::new(Mutex::new(ShippedSegments::new())); + let shipper = SegmentShipper::new(fs, object_store, cluster_id, shipped); + + Self { + state, + shipper, + interval, + } + } + + async fn cycle(&self) { + let closed = match self.state.engine.close_all_segments() { + Ok(segments) => segments, + Err(e) => { + tracing::warn!(error = %e, "failed to close segments for shipping"); + return; + } + }; + + if closed.is_empty() { + return; + } + + let count = self.shipper.ship_all(&closed).await; + if count > 0 { + tracing::info!(shipped = count, total = closed.len(), "shipped segments to S3"); + } + + // Trim local WAL files for successfully shipped segments. + // The shipper tracks which segments were shipped; we delete local copies. + // For now, we only delete if all segments were shipped successfully. + if count == closed.len() { + let fs = sq_sim::fs::RealFileSystem; + for seg in &closed { + if let Err(e) = sq_sim::fs::FileSystem::remove_file(&fs, &seg.path) { + tracing::warn!( + path = %seg.path.display(), + error = %e, + "failed to trim shipped segment" + ); + } + } + } + } +} + +impl Component for BackgroundShipper { + fn info(&self) -> ComponentInfo { + "sq-server/shipper".into() + } + + async fn run(&self, cancellation_token: CancellationToken) -> Result<(), MadError> { + tracing::info!( + interval_secs = self.interval.as_secs(), + "background shipper started" + ); + + loop { + tokio::select! { + () = cancellation_token.cancelled() => { + // Final flush on shutdown. + self.cycle().await; + break; + } + () = tokio::time::sleep(self.interval) => { + self.cycle().await; + } + } + } + + Ok(()) + } +} diff --git a/crates/sq-server/src/state.rs b/crates/sq-server/src/state.rs new file mode 100644 index 0000000..413a6e4 --- /dev/null +++ b/crates/sq-server/src/state.rs @@ -0,0 +1,62 @@ +use std::path::PathBuf; +use std::sync::Arc; + +use drop_queue::DropQueue; +use sq_sim::fs::RealFileSystem; +use sq_sim::RealClock; +use sq_storage::engine::StorageEngine; +use sq_storage::object_store::reader::ObjectStoreReader; +use sq_storage::object_store::s3::S3ObjectStore; + +use crate::pipeline::{self, PipelineHandle, WritePipeline}; + +#[derive(Clone)] +pub struct State { + pub engine: Arc>, + pub pipeline: PipelineHandle, + pub s3_reader: Option>>, + pub drop_queue: DropQueue, + pub config: Config, +} + +#[derive(Clone)] +pub struct Config { + pub node_id: String, + pub data_dir: PathBuf, + pub seeds: Vec, + pub grpc_address: String, + pub cluster_id: String, + pub s3_bucket: Option, + pub s3_endpoint: Option, + pub s3_region: Option, + pub sync_policy: sq_models::SyncPolicy, +} + +impl State { + pub fn new(config: Config) -> anyhow::Result<(Self, WritePipeline)> { + let fs = Arc::new(RealFileSystem); + let clock = Arc::new(RealClock); + let wal_config = sq_models::WalConfig { + data_dir: config.data_dir.clone(), + sync_policy: config.sync_policy.clone(), + ..Default::default() + }; + + let engine = StorageEngine::new(fs, clock, wal_config)?; + engine.recover()?; + + let engine = Arc::new(engine); + let (handle, writer) = pipeline::create_pipeline(engine.clone(), 10_000); + + Ok(( + Self { + engine, + pipeline: handle, + s3_reader: None, + drop_queue: DropQueue::new(), + config, + }, + writer, + )) + } +} diff --git a/crates/sq-server/src/sync_task.rs b/crates/sq-server/src/sync_task.rs new file mode 100644 index 0000000..bb8fba1 --- /dev/null +++ b/crates/sq-server/src/sync_task.rs @@ -0,0 +1,56 @@ +use std::sync::Arc; +use std::time::Duration; + +use notmad::{Component, ComponentInfo, MadError}; +use sq_sim::fs::RealFileSystem; +use sq_sim::RealClock; +use sq_storage::engine::StorageEngine; +use tokio_util::sync::CancellationToken; + +/// Background task that periodically fsyncs all open WAL writers. +/// Used when SyncPolicy is Interval. +pub struct BackgroundSync { + engine: Arc>, + interval: Duration, +} + +impl BackgroundSync { + pub fn new( + engine: Arc>, + interval: Duration, + ) -> Self { + Self { engine, interval } + } +} + +impl Component for BackgroundSync { + fn info(&self) -> ComponentInfo { + "sq-server/background-sync".into() + } + + async fn run(&self, cancellation_token: CancellationToken) -> Result<(), MadError> { + let mut interval = tokio::time::interval(self.interval); + interval.set_missed_tick_behavior(tokio::time::MissedTickBehavior::Delay); + // Consume the first immediate tick. + interval.tick().await; + + loop { + tokio::select! { + () = cancellation_token.cancelled() => { + // Final sync on shutdown. + if let Err(e) = self.engine.fsync_all_writers() { + tracing::warn!(error = %e, "final sync on shutdown failed"); + } + break; + } + _ = interval.tick() => { + if let Err(e) = self.engine.fsync_all_writers() { + tracing::warn!(error = %e, "background sync failed"); + } + } + } + } + + Ok(()) + } +} diff --git a/crates/sq-server/tests/capnp_stress_test.rs b/crates/sq-server/tests/capnp_stress_test.rs new file mode 100644 index 0000000..95eefc1 --- /dev/null +++ b/crates/sq-server/tests/capnp_stress_test.rs @@ -0,0 +1,462 @@ +use std::net::SocketAddr; +use std::sync::Arc; +use std::time::{Duration, Instant}; + +use sq_cluster::membership::{Membership, MembershipConfig}; +use sq_grpc_interface::{ + cluster_service_server::ClusterServiceServer, + control_plane_service_server::ControlPlaneServiceServer, + data_plane_service_server::DataPlaneServiceServer, + status_service_client::StatusServiceClient, + status_service_server::StatusServiceServer, + GetStatusRequest, SubscribeRequest, +}; +use sq_grpc_interface::data_plane_service_client::DataPlaneServiceClient; +use sq_sdk::{ + Consumer, ConsumerConfig, Producer, ProducerConfig, + GrpcProducer, GrpcProducerConfig, ProducerMessage, +}; +use sq_server::capnp::CapnpServer; +use sq_server::grpc::{cluster, control_plane, data_plane, health}; +use sq_server::state::{Config, State}; +use tempfile::TempDir; +use tokio_stream::StreamExt; +use tokio_util::sync::CancellationToken; + +// --------------------------------------------------------------------------- +// Test harness — extends TestCluster to include capnp server alongside gRPC +// --------------------------------------------------------------------------- + +struct TestNode { + grpc_addr: SocketAddr, + capnp_addr: SocketAddr, + cancel: CancellationToken, + pipeline_cancel: CancellationToken, + _temp_dir: TempDir, + _server_handle: tokio::task::JoinHandle<()>, + _capnp_handle: tokio::task::JoinHandle<()>, +} + +impl TestNode { + fn grpc_endpoint(&self) -> String { + format!("http://{}", self.grpc_addr) + } + + fn capnp_endpoint(&self) -> String { + self.capnp_addr.to_string() + } +} + +struct TestCluster { + nodes: Vec, +} + +impl TestCluster { + async fn start(n: usize) -> Self { + let mut grpc_listeners = Vec::new(); + let mut capnp_listeners = Vec::new(); + let mut grpc_addrs = Vec::new(); + let mut capnp_addrs = Vec::new(); + + for _ in 0..n { + let grpc_listener = tokio::net::TcpListener::bind("127.0.0.1:0").await.unwrap(); + let capnp_listener = tokio::net::TcpListener::bind("127.0.0.1:0").await.unwrap(); + grpc_addrs.push(grpc_listener.local_addr().unwrap()); + capnp_addrs.push(capnp_listener.local_addr().unwrap()); + grpc_listeners.push(grpc_listener); + capnp_listeners.push(capnp_listener); + } + + let mut nodes = Vec::new(); + for (i, (grpc_listener, capnp_listener)) in + grpc_listeners.into_iter().zip(capnp_listeners).enumerate() + { + let grpc_addr = grpc_addrs[i]; + let capnp_addr = capnp_addrs[i]; + let node_id = format!("capnp-stress-node-{}", i + 1); + let temp_dir = TempDir::new().unwrap(); + + let seeds: Vec = grpc_addrs + .iter() + .enumerate() + .filter(|(j, _)| *j != i) + .map(|(_, a)| a.to_string()) + .collect(); + + let config = Config { + node_id: node_id.clone(), + data_dir: temp_dir.path().to_path_buf(), + seeds: seeds.clone(), + grpc_address: grpc_addr.to_string(), + cluster_id: "test-cluster".to_string(), + s3_bucket: None, + s3_endpoint: None, + s3_region: None, + sync_policy: sq_models::SyncPolicy::EveryBatch, + }; + + let (state, mut pipeline) = State::new(config).unwrap(); + + let pipeline_cancel = CancellationToken::new(); + let pipeline_cancel_clone = pipeline_cancel.clone(); + tokio::spawn(async move { + tokio::select! { + () = pipeline.run() => {} + () = pipeline_cancel_clone.cancelled() => {} + } + }); + + let membership = Arc::new(Membership::new(MembershipConfig { + node_id: node_id.clone(), + address: grpc_addr.to_string(), + seeds, + ..Default::default() + })); + + let cancel = CancellationToken::new(); + + // Spawn gRPC server. + let cancel_clone = cancel.clone(); + let state_clone = state.clone(); + let membership_clone = membership.clone(); + let incoming = tokio_stream::wrappers::TcpListenerStream::new(grpc_listener); + let server_handle = tokio::spawn(async move { + tonic::transport::Server::builder() + .add_service(StatusServiceServer::new(health::HealthServer { + state: state_clone.clone(), + })) + .add_service(DataPlaneServiceServer::new(data_plane::DataPlaneServer { + state: state_clone.clone(), + })) + .add_service(ControlPlaneServiceServer::new( + control_plane::ControlPlaneServer { + state: state_clone.clone(), + }, + )) + .add_service(ClusterServiceServer::new(cluster::ClusterServer { + state: state_clone, + membership: membership_clone, + })) + .serve_with_incoming_shutdown(incoming, async move { + cancel_clone.cancelled().await; + }) + .await + .unwrap(); + }); + + // Spawn capnp server — use the CapnpServer Component's run method directly. + let cancel_clone = cancel.clone(); + let capnp_state = state.clone(); + let capnp_handle = tokio::spawn(async move { + let server = CapnpServer { + host: capnp_addr, + state: capnp_state, + }; + // We can't use the TcpListener we already bound because CapnpServer binds its own. + // Instead, drop the listener and let CapnpServer rebind. + drop(capnp_listener); + let _ = notmad::Component::run(&server, cancel_clone).await; + }); + + nodes.push(TestNode { + grpc_addr, + capnp_addr, + cancel, + pipeline_cancel, + _temp_dir: temp_dir, + _server_handle: server_handle, + _capnp_handle: capnp_handle, + }); + } + + // Wait for gRPC to be ready. + for node in &nodes { + wait_for_ready(&node.grpc_endpoint()).await; + } + + // Give capnp server a moment to bind. + tokio::time::sleep(Duration::from_millis(50)).await; + + TestCluster { nodes } + } + + fn node(&self, index: usize) -> &TestNode { + &self.nodes[index] + } +} + +impl Drop for TestCluster { + fn drop(&mut self) { + for node in &self.nodes { + node.pipeline_cancel.cancel(); + node.cancel.cancel(); + } + } +} + +async fn wait_for_ready(endpoint: &str) { + let deadline = tokio::time::Instant::now() + tokio::time::Duration::from_secs(5); + loop { + if tokio::time::Instant::now() > deadline { + panic!("Server at {} did not become ready in time", endpoint); + } + if let Ok(mut client) = StatusServiceClient::connect(endpoint.to_string()).await { + if client + .status(tonic::Request::new(GetStatusRequest {})) + .await + .is_ok() + { + return; + } + } + tokio::time::sleep(tokio::time::Duration::from_millis(10)).await; + } +} + +// --------------------------------------------------------------------------- +// Capnp stress test 1: Single producer — 100K messages via capnp +// --------------------------------------------------------------------------- + +#[tokio::test] +async fn capnp_stress_single_producer_100k() { + let cluster = TestCluster::start(1).await; + let capnp_ep = cluster.node(0).capnp_endpoint(); + + let mut producer = Producer::connect(ProducerConfig { + address: capnp_ep, + ..Default::default() + }) + .await + .unwrap(); + + let total = 100_000u64; + let batch_size = 500; + let payload = vec![0u8; 128]; + + let start = Instant::now(); + + for batch_start in (0..total).step_by(batch_size) { + let batch_end = (batch_start + batch_size as u64).min(total); + let batch: Vec = (batch_start..batch_end) + .map(|_| ProducerMessage::new("capnp-stress-topic", payload.clone())) + .collect(); + producer.send_batch(batch).await.unwrap(); + } + + let publish_duration = start.elapsed(); + let msgs_per_sec = total as f64 / publish_duration.as_secs_f64(); + + eprintln!( + "capnp_stress_single_producer_100k: published {} messages in {:.2}s ({:.0} msg/s, {:.1} MB/s)", + total, + publish_duration.as_secs_f64(), + msgs_per_sec, + (total as f64 * 128.0) / (1024.0 * 1024.0) / publish_duration.as_secs_f64() + ); + + // Verify: read back via gRPC subscribe (capnp subscribe is streaming-only). + let grpc_ep = cluster.node(0).grpc_endpoint(); + let mut client = DataPlaneServiceClient::connect(grpc_ep).await.unwrap(); + let response = client + .subscribe(tonic::Request::new(SubscribeRequest { + topic: "capnp-stress-topic".to_string(), + partition: 0, + consumer_group: String::new(), + start_offset: Some(0), + max_batch_size: 1000, + })) + .await + .unwrap(); + + let mut stream = response.into_inner(); + let mut consumed = 0u64; + while consumed < total { + match tokio::time::timeout(Duration::from_secs(10), stream.next()).await { + Ok(Some(Ok(batch))) => consumed += batch.messages.len() as u64, + _ => break, + } + } + + assert_eq!(consumed, total, "expected all messages to be consumed"); +} + +// --------------------------------------------------------------------------- +// Capnp stress test 2: Concurrent producers — 10 producers, 10K messages each +// --------------------------------------------------------------------------- + +#[tokio::test] +async fn capnp_stress_concurrent_producers() { + let cluster = TestCluster::start(1).await; + let capnp_ep = cluster.node(0).capnp_endpoint(); + + let num_producers = 10; + let msgs_per_producer = 10_000u64; + let payload = vec![0u8; 64]; + + let start = Instant::now(); + + let mut handles = Vec::new(); + for p in 0..num_producers { + let ep = capnp_ep.clone(); + let pl = payload.clone(); + handles.push(tokio::spawn(async move { + let mut producer = Producer::connect(ProducerConfig { + address: ep, + producer_id: format!("capnp-producer-{p}"), + ..Default::default() + }) + .await + .unwrap(); + + let topic = format!("capnp-concurrent-{p}"); + for batch_start in (0..msgs_per_producer).step_by(100) { + let batch_end = (batch_start + 100).min(msgs_per_producer); + let batch: Vec = (batch_start..batch_end) + .map(|_| ProducerMessage::new(topic.clone(), pl.clone())) + .collect(); + producer.send_batch(batch).await.unwrap(); + } + })); + } + + for handle in handles { + handle.await.unwrap(); + } + + let duration = start.elapsed(); + let total = num_producers as u64 * msgs_per_producer; + let msgs_per_sec = total as f64 / duration.as_secs_f64(); + + eprintln!( + "capnp_stress_concurrent_producers: {} producers x {} msgs = {} total in {:.2}s ({:.0} msg/s)", + num_producers, + msgs_per_producer, + total, + duration.as_secs_f64(), + msgs_per_sec + ); +} + +// --------------------------------------------------------------------------- +// Capnp stress test 3: Subscribe via capnp — publish then consume +// --------------------------------------------------------------------------- + +#[tokio::test] +async fn capnp_stress_subscribe() { + let cluster = TestCluster::start(1).await; + let capnp_ep = cluster.node(0).capnp_endpoint(); + let total = 10_000u64; + let payload = vec![0u8; 64]; + + // Publish via capnp. + let mut producer = Producer::connect(ProducerConfig { + address: capnp_ep.clone(), + ..Default::default() + }) + .await + .unwrap(); + + for batch_start in (0..total).step_by(500) { + let batch_end = (batch_start + 500).min(total); + let batch: Vec = (batch_start..batch_end) + .map(|_| ProducerMessage::new("capnp-sub-topic", payload.clone())) + .collect(); + producer.send_batch(batch).await.unwrap(); + } + + // Consume via capnp. + let mut consumer = Consumer::connect(ConsumerConfig { + address: capnp_ep, + topic: "capnp-sub-topic".to_string(), + consumer_group: String::new(), + auto_commit: false, + start_offset: Some(0), + max_poll_records: 1000, + ..Default::default() + }) + .await + .unwrap(); + + let mut consumed = 0u64; + let start = Instant::now(); + + while consumed < total { + match tokio::time::timeout(Duration::from_secs(10), consumer.poll()).await { + Ok(Ok(msgs)) => consumed += msgs.len() as u64, + _ => break, + } + } + + let consume_duration = start.elapsed(); + eprintln!( + "capnp_stress_subscribe: consumed {} messages in {:.2}s ({:.0} msg/s)", + consumed, + consume_duration.as_secs_f64(), + consumed as f64 / consume_duration.as_secs_f64() + ); + + assert_eq!(consumed, total, "expected all messages to be consumed"); +} + +// --------------------------------------------------------------------------- +// Throughput comparison: gRPC vs capnp +// --------------------------------------------------------------------------- + +async fn bench_grpc_publish(cluster: &TestCluster, total: u64, batch_size: usize) -> f64 { + let endpoint = cluster.node(0).grpc_endpoint(); + let mut producer = GrpcProducer::connect(GrpcProducerConfig { + address: endpoint, + ..Default::default() + }) + .await + .unwrap(); + + let payload = vec![0u8; 128]; + let start = Instant::now(); + + for batch_start in (0..total).step_by(batch_size) { + let batch_end = (batch_start + batch_size as u64).min(total); + let batch: Vec = (batch_start..batch_end) + .map(|_| ProducerMessage::new("bench-grpc", payload.clone())) + .collect(); + producer.send_batch(batch).await.unwrap(); + } + + total as f64 / start.elapsed().as_secs_f64() +} + +async fn bench_capnp_publish(cluster: &TestCluster, total: u64, batch_size: usize) -> f64 { + let endpoint = cluster.node(0).capnp_endpoint(); + let mut producer = Producer::connect(ProducerConfig { + address: endpoint, + ..Default::default() + }) + .await + .unwrap(); + + let payload = vec![0u8; 128]; + let start = Instant::now(); + + for batch_start in (0..total).step_by(batch_size) { + let batch_end = (batch_start + batch_size as u64).min(total); + let batch: Vec = (batch_start..batch_end) + .map(|_| ProducerMessage::new("bench-capnp", payload.clone())) + .collect(); + producer.send_batch(batch).await.unwrap(); + } + + total as f64 / start.elapsed().as_secs_f64() +} + +#[tokio::test] +async fn capnp_vs_grpc_throughput() { + let cluster = TestCluster::start(1).await; + + let grpc_rate = bench_grpc_publish(&cluster, 100_000, 500).await; + let capnp_rate = bench_capnp_publish(&cluster, 100_000, 500).await; + + eprintln!("=== THROUGHPUT COMPARISON (single producer, 100K msgs x 128B) ==="); + eprintln!("gRPC: {:.0} msg/s", grpc_rate); + eprintln!("capnp: {:.0} msg/s", capnp_rate); + eprintln!("ratio: {:.2}x", capnp_rate / grpc_rate); +} diff --git a/crates/sq-server/tests/cluster_test.rs b/crates/sq-server/tests/cluster_test.rs new file mode 100644 index 0000000..b0ec4da --- /dev/null +++ b/crates/sq-server/tests/cluster_test.rs @@ -0,0 +1,763 @@ +use std::net::SocketAddr; +use std::sync::Arc; +use std::time::Duration; + +use sq_cluster::membership::{Membership, MembershipConfig}; +use sq_grpc_interface::{ + cluster_service_client::ClusterServiceClient, + cluster_service_server::ClusterServiceServer, + control_plane_service_client::ControlPlaneServiceClient, + control_plane_service_server::ControlPlaneServiceServer, + data_plane_service_client::DataPlaneServiceClient, + data_plane_service_server::DataPlaneServiceServer, + status_service_client::StatusServiceClient, + status_service_server::StatusServiceServer, + ClusterNodeInfo, CreateTopicRequest, DeleteTopicRequest, DescribeTopicRequest, + FetchSegmentRequest, GetStatusRequest, HeartbeatRequest, JoinRequest, ListTopicsRequest, + ReplicateEntriesRequest, SubscribeRequest, +}; +use sq_sdk::{GrpcConsumer, GrpcConsumerConfig, GrpcProducer, GrpcProducerConfig}; +use sq_server::grpc::{cluster, control_plane, data_plane, health}; +use sq_server::state::{Config, State}; +use tempfile::TempDir; +use tokio_stream::StreamExt; +use tokio_util::sync::CancellationToken; + +// --------------------------------------------------------------------------- +// Test harness +// --------------------------------------------------------------------------- + +struct TestNode { + addr: SocketAddr, + #[allow(dead_code)] + node_id: String, + #[allow(dead_code)] + state: State, + membership: Arc, + cancel: CancellationToken, + pipeline_cancel: CancellationToken, + _temp_dir: TempDir, + _server_handle: tokio::task::JoinHandle<()>, +} + +impl TestNode { + fn endpoint(&self) -> String { + format!("http://{}", self.addr) + } +} + +struct TestCluster { + nodes: Vec, +} + +impl TestCluster { + /// Start a cluster of `n` real SQ server nodes on random ports. + async fn start(n: usize) -> Self { + // Phase 1: Bind all listeners to get ports before starting servers. + let mut listeners = Vec::new(); + let mut addrs = Vec::new(); + + for _ in 0..n { + let listener = tokio::net::TcpListener::bind("127.0.0.1:0").await.unwrap(); + let addr = listener.local_addr().unwrap(); + addrs.push(addr); + listeners.push(listener); + } + + // Phase 2: Start each node. + let mut nodes = Vec::new(); + for (i, listener) in listeners.into_iter().enumerate() { + let addr = addrs[i]; + let node_id = format!("node-{}", i + 1); + let temp_dir = TempDir::new().unwrap(); + + // Seeds: all addresses except our own. + let seeds: Vec = addrs + .iter() + .enumerate() + .filter(|(j, _)| *j != i) + .map(|(_, a)| a.to_string()) + .collect(); + + let config = Config { + node_id: node_id.clone(), + data_dir: temp_dir.path().to_path_buf(), + seeds: seeds.clone(), + grpc_address: addr.to_string(), + cluster_id: "test-cluster".to_string(), + s3_bucket: None, + s3_endpoint: None, + s3_region: None, + sync_policy: sq_models::SyncPolicy::EveryBatch, + }; + + let (state, mut pipeline) = State::new(config).unwrap(); + + // Spawn the write pipeline for this node. + let pipeline_cancel = CancellationToken::new(); + let pipeline_cancel_clone = pipeline_cancel.clone(); + tokio::spawn(async move { + tokio::select! { + () = pipeline.run() => {} + () = pipeline_cancel_clone.cancelled() => {} + } + }); + + let membership = Arc::new(Membership::new(MembershipConfig { + node_id: node_id.clone(), + address: addr.to_string(), + seeds, + ..Default::default() + })); + + let cancel = CancellationToken::new(); + let cancel_clone = cancel.clone(); + let state_clone = state.clone(); + let membership_clone = membership.clone(); + + let incoming = tokio_stream::wrappers::TcpListenerStream::new(listener); + + let server_handle = tokio::spawn(async move { + tonic::transport::Server::builder() + .add_service(StatusServiceServer::new(health::HealthServer { + state: state_clone.clone(), + })) + .add_service(DataPlaneServiceServer::new(data_plane::DataPlaneServer { + state: state_clone.clone(), + })) + .add_service(ControlPlaneServiceServer::new( + control_plane::ControlPlaneServer { + state: state_clone.clone(), + }, + )) + .add_service(ClusterServiceServer::new(cluster::ClusterServer { + state: state_clone, + membership: membership_clone, + })) + .serve_with_incoming_shutdown(incoming, async move { + cancel_clone.cancelled().await; + }) + .await + .unwrap(); + }); + + nodes.push(TestNode { + addr, + node_id, + state, + membership, + cancel, + pipeline_cancel, + _temp_dir: temp_dir, + _server_handle: server_handle, + }); + } + + // Phase 3: Wait for all servers to be ready. + for node in &nodes { + wait_for_ready(&node.endpoint()).await; + } + + TestCluster { nodes } + } + + fn node(&self, index: usize) -> &TestNode { + &self.nodes[index] + } +} + +impl Drop for TestCluster { + fn drop(&mut self) { + for node in &self.nodes { + node.pipeline_cancel.cancel(); + node.cancel.cancel(); + } + } +} + +/// Poll the Status RPC until the server responds, with a timeout. +async fn wait_for_ready(endpoint: &str) { + let deadline = tokio::time::Instant::now() + tokio::time::Duration::from_secs(5); + loop { + if tokio::time::Instant::now() > deadline { + panic!("Server at {} did not become ready in time", endpoint); + } + match StatusServiceClient::connect(endpoint.to_string()).await { + Ok(mut client) => { + if client + .status(tonic::Request::new(GetStatusRequest {})) + .await + .is_ok() + { + return; + } + } + Err(_) => {} + } + tokio::time::sleep(tokio::time::Duration::from_millis(10)).await; + } +} + +/// Collect messages from a subscribe stream with a timeout. +async fn collect_messages( + endpoint: &str, + topic: &str, + start_offset: u64, + expected_count: usize, +) -> Vec { + let mut client = DataPlaneServiceClient::connect(endpoint.to_string()) + .await + .unwrap(); + let response = client + .subscribe(tonic::Request::new(SubscribeRequest { + topic: topic.to_string(), + partition: 0, + consumer_group: String::new(), + start_offset: Some(start_offset), + max_batch_size: 200, + })) + .await + .unwrap(); + + let mut stream = response.into_inner(); + let mut messages = Vec::new(); + + while messages.len() < expected_count { + match tokio::time::timeout(Duration::from_secs(5), stream.next()).await { + Ok(Some(Ok(batch))) => messages.extend(batch.messages), + _ => break, + } + } + + messages +} + +// --------------------------------------------------------------------------- +// Test 1: Single node, 1000 messages via SDK +// --------------------------------------------------------------------------- + +#[tokio::test] +async fn test_single_node_publish_consume_1000() { + let cluster = TestCluster::start(1).await; + let endpoint = cluster.node(0).endpoint(); + + // Publish 1000 messages via SDK Producer. + let mut producer = GrpcProducer::connect(GrpcProducerConfig { + address: endpoint.clone(), + ..Default::default() + }) + .await + .unwrap(); + + for i in 0..1000u64 { + let result = producer + .send("orders", None, format!("msg-{i}").as_bytes()) + .await + .unwrap(); + assert_eq!(result.offset, i); + assert_eq!(result.topic, "orders"); + } + + // Consume all 1000 via raw subscribe. + let messages = collect_messages(&endpoint, "orders", 0, 1000).await; + + assert_eq!(messages.len(), 1000); + for (i, msg) in messages.iter().enumerate() { + assert_eq!(msg.offset, i as u64); + assert_eq!(msg.value, format!("msg-{i}").as_bytes()); + } +} + +// --------------------------------------------------------------------------- +// Test 2: Multi-topic isolation +// --------------------------------------------------------------------------- + +#[tokio::test] +async fn test_multi_topic_isolation() { + let cluster = TestCluster::start(1).await; + let endpoint = cluster.node(0).endpoint(); + + let mut producer = GrpcProducer::connect(GrpcProducerConfig { + address: endpoint.clone(), + ..Default::default() + }) + .await + .unwrap(); + + let topics = ["alpha", "beta", "gamma"]; + let counts: [usize; 3] = [50, 100, 25]; + + // Publish to each topic. + for (topic, count) in topics.iter().zip(counts.iter()) { + for i in 0..*count { + producer + .send(topic, None, format!("{topic}-{i}").as_bytes()) + .await + .unwrap(); + } + } + + // Consume from each topic and verify isolation. + for (topic, expected_count) in topics.iter().zip(counts.iter()) { + let messages = collect_messages(&endpoint, topic, 0, *expected_count).await; + + assert_eq!( + messages.len(), + *expected_count, + "topic {topic} expected {expected_count} messages, got {}", + messages.len() + ); + + for (i, msg) in messages.iter().enumerate() { + assert_eq!(msg.offset, i as u64); + assert_eq!(msg.value, format!("{topic}-{i}").as_bytes()); + } + } +} + +// --------------------------------------------------------------------------- +// Test 3: Consumer group offset resume +// --------------------------------------------------------------------------- + +#[tokio::test] +async fn test_consumer_group_offset_resume() { + let cluster = TestCluster::start(1).await; + let endpoint = cluster.node(0).endpoint(); + + // Publish 20 messages. + let mut producer = GrpcProducer::connect(GrpcProducerConfig { + address: endpoint.clone(), + ..Default::default() + }) + .await + .unwrap(); + + for i in 0..20u64 { + producer + .send("events", None, format!("msg-{i}").as_bytes()) + .await + .unwrap(); + } + + // Consumer 1: consume with auto_commit, collect at least 10 messages. + { + let mut consumer = GrpcConsumer::connect(GrpcConsumerConfig { + address: endpoint.clone(), + consumer_group: "test-group".to_string(), + topic: "events".to_string(), + auto_commit: true, + ..Default::default() + }) + .await + .unwrap(); + + let mut received = Vec::new(); + let deadline = tokio::time::Instant::now() + Duration::from_secs(5); + while received.len() < 10 && tokio::time::Instant::now() < deadline { + let msgs = consumer.poll().await.unwrap(); + if msgs.is_empty() { + tokio::time::sleep(Duration::from_millis(50)).await; + continue; + } + received.extend(msgs); + } + assert!( + received.len() >= 10, + "expected at least 10 messages, got {}", + received.len() + ); + } + + // Consumer 2: reconnect with same group, should resume from committed offset. + { + let mut consumer = GrpcConsumer::connect(GrpcConsumerConfig { + address: endpoint.clone(), + consumer_group: "test-group".to_string(), + topic: "events".to_string(), + auto_commit: false, + ..Default::default() + }) + .await + .unwrap(); + + let deadline = tokio::time::Instant::now() + Duration::from_secs(5); + let mut msgs = Vec::new(); + while msgs.is_empty() && tokio::time::Instant::now() < deadline { + msgs = consumer.poll().await.unwrap(); + if msgs.is_empty() { + tokio::time::sleep(Duration::from_millis(50)).await; + } + } + assert!( + !msgs.is_empty(), + "expected messages from resumed consumer" + ); + // Should start from at least offset 9 (last committed by auto_commit). + assert!( + msgs[0].offset >= 9, + "expected resume from offset >= 9, got {}", + msgs[0].offset + ); + } +} + +// --------------------------------------------------------------------------- +// Test 4: Topic management CRUD +// --------------------------------------------------------------------------- + +#[tokio::test] +async fn test_topic_management_crud() { + let cluster = TestCluster::start(1).await; + let endpoint = cluster.node(0).endpoint(); + + let mut client = ControlPlaneServiceClient::connect(endpoint.clone()) + .await + .unwrap(); + + // Create topic. + let resp = client + .create_topic(tonic::Request::new(CreateTopicRequest { + name: "orders".to_string(), + partitions: 4, + replication_factor: 3, + })) + .await + .unwrap(); + assert_eq!(resp.into_inner().name, "orders"); + + // Duplicate should fail. + let err = client + .create_topic(tonic::Request::new(CreateTopicRequest { + name: "orders".to_string(), + partitions: 4, + replication_factor: 3, + })) + .await + .unwrap_err(); + assert_eq!(err.code(), tonic::Code::AlreadyExists); + + // Create another. + client + .create_topic(tonic::Request::new(CreateTopicRequest { + name: "events".to_string(), + partitions: 1, + replication_factor: 1, + })) + .await + .unwrap(); + + // List topics. + let resp = client + .list_topics(tonic::Request::new(ListTopicsRequest {})) + .await + .unwrap(); + let topics = resp.into_inner().topics; + assert_eq!(topics.len(), 2); + let names: Vec<&str> = topics.iter().map(|t| t.name.as_str()).collect(); + assert!(names.contains(&"orders")); + assert!(names.contains(&"events")); + + // Describe topic. + let resp = client + .describe_topic(tonic::Request::new(DescribeTopicRequest { + name: "orders".to_string(), + })) + .await + .unwrap() + .into_inner(); + let topic = resp.topic.unwrap(); + assert_eq!(topic.name, "orders"); + assert_eq!(topic.partitions, 4); + assert_eq!(topic.replication_factor, 3); + assert_eq!(resp.partition_info.len(), 4); + + // Describe non-existent topic. + let err = client + .describe_topic(tonic::Request::new(DescribeTopicRequest { + name: "nonexistent".to_string(), + })) + .await + .unwrap_err(); + assert_eq!(err.code(), tonic::Code::NotFound); + + // Delete topic. + client + .delete_topic(tonic::Request::new(DeleteTopicRequest { + name: "orders".to_string(), + })) + .await + .unwrap(); + + // Verify deleted. + let resp = client + .list_topics(tonic::Request::new(ListTopicsRequest {})) + .await + .unwrap(); + assert_eq!(resp.into_inner().topics.len(), 1); + + // Delete non-existent should fail. + let err = client + .delete_topic(tonic::Request::new(DeleteTopicRequest { + name: "orders".to_string(), + })) + .await + .unwrap_err(); + assert_eq!(err.code(), tonic::Code::NotFound); +} + +// --------------------------------------------------------------------------- +// Test 5: Three-node join discovery +// --------------------------------------------------------------------------- + +#[tokio::test] +async fn test_three_node_join_discovery() { + let cluster = TestCluster::start(3).await; + + // Node-2 joins node-1. + let mut client = ClusterServiceClient::connect(cluster.node(0).endpoint()) + .await + .unwrap(); + let resp = client + .join(tonic::Request::new(JoinRequest { + node_id: "node-2".to_string(), + address: cluster.nodes[1].addr.to_string(), + })) + .await + .unwrap(); + + let members = resp.into_inner().members; + assert!( + members.len() >= 2, + "after node-2 join, node-1 should know >= 2 members, got {}", + members.len() + ); + let ids: Vec<&str> = members.iter().map(|m| m.node_id.as_str()).collect(); + assert!(ids.contains(&"node-1")); + assert!(ids.contains(&"node-2")); + + // Node-3 joins node-1. + let resp = client + .join(tonic::Request::new(JoinRequest { + node_id: "node-3".to_string(), + address: cluster.nodes[2].addr.to_string(), + })) + .await + .unwrap(); + + let members = resp.into_inner().members; + assert!( + members.len() >= 3, + "after node-3 join, node-1 should know >= 3 members, got {}", + members.len() + ); + let ids: Vec<&str> = members.iter().map(|m| m.node_id.as_str()).collect(); + assert!(ids.contains(&"node-1")); + assert!(ids.contains(&"node-2")); + assert!(ids.contains(&"node-3")); + + // Verify via membership handle. + let all = cluster.node(0).membership.all_members().await; + assert_eq!(all.len(), 3); +} + +// --------------------------------------------------------------------------- +// Test 6: Cross-node heartbeat gossip +// --------------------------------------------------------------------------- + +#[tokio::test] +async fn test_cross_node_heartbeat_gossip() { + let cluster = TestCluster::start(3).await; + + // Node-2 and node-3 join node-1. + let mut client1 = ClusterServiceClient::connect(cluster.node(0).endpoint()) + .await + .unwrap(); + client1 + .join(tonic::Request::new(JoinRequest { + node_id: "node-2".to_string(), + address: cluster.nodes[1].addr.to_string(), + })) + .await + .unwrap(); + client1 + .join(tonic::Request::new(JoinRequest { + node_id: "node-3".to_string(), + address: cluster.nodes[2].addr.to_string(), + })) + .await + .unwrap(); + + // Node-1 now knows about all 3. Send heartbeat to node-2 carrying this info. + let all_members = cluster.node(0).membership.all_members().await; + let known: Vec = all_members + .iter() + .map(|m| ClusterNodeInfo { + node_id: m.node_id.clone(), + address: m.address.clone(), + status: m.status.to_string(), + }) + .collect(); + + let mut client2 = ClusterServiceClient::connect(cluster.node(1).endpoint()) + .await + .unwrap(); + let resp = client2 + .heartbeat(tonic::Request::new(HeartbeatRequest { + node_id: "node-1".to_string(), + known_members: known, + })) + .await + .unwrap(); + + // Node-2 should now know about all 3 nodes via gossip. + let node2_members = resp.into_inner().members; + assert!( + node2_members.len() >= 3, + "node-2 should know >= 3 members after gossip, got {}", + node2_members.len() + ); +} + +// --------------------------------------------------------------------------- +// Test 7: Cross-node replication via RPC +// --------------------------------------------------------------------------- + +#[tokio::test] +async fn test_cross_node_replication_via_rpc() { + let cluster = TestCluster::start(2).await; + + // Publish 10 messages to node-1 via SDK. + let mut producer = GrpcProducer::connect(GrpcProducerConfig { + address: cluster.node(0).endpoint(), + ..Default::default() + }) + .await + .unwrap(); + + let mut entry_data = Vec::new(); + for i in 0..10u64 { + let value = format!("replicated-{i}"); + producer + .send("repl-topic", None, value.as_bytes()) + .await + .unwrap(); + entry_data.push(value.into_bytes()); + } + + // Replicate the same data to node-2 via ClusterService RPC. + let mut cluster_client = ClusterServiceClient::connect(cluster.node(1).endpoint()) + .await + .unwrap(); + let resp = cluster_client + .replicate_entries(tonic::Request::new(ReplicateEntriesRequest { + topic: "repl-topic".to_string(), + partition: 0, + entries: entry_data, + })) + .await + .unwrap(); + + let last_offset = resp.into_inner().last_replicated_offset; + assert_eq!(last_offset, 9); + + // Read from node-2 to verify the data is there. + let messages = collect_messages(&cluster.node(1).endpoint(), "repl-topic", 0, 10).await; + + assert_eq!(messages.len(), 10); + for (i, msg) in messages.iter().enumerate() { + assert_eq!(msg.offset, i as u64); + assert_eq!(msg.value, format!("replicated-{i}").as_bytes()); + } +} + +// --------------------------------------------------------------------------- +// Test 8: FetchSegment recovery +// --------------------------------------------------------------------------- + +#[tokio::test] +async fn test_fetch_segment_recovery() { + let cluster = TestCluster::start(1).await; + let endpoint = cluster.node(0).endpoint(); + + // Write 50 messages. + let mut producer = GrpcProducer::connect(GrpcProducerConfig { + address: endpoint.clone(), + ..Default::default() + }) + .await + .unwrap(); + + for i in 0..50u64 { + producer + .send("recovery-topic", None, format!("data-{i}").as_bytes()) + .await + .unwrap(); + } + + // Fetch via FetchSegment stream. + let mut client = ClusterServiceClient::connect(endpoint) + .await + .unwrap(); + let response = client + .fetch_segment(tonic::Request::new(FetchSegmentRequest { + topic: "recovery-topic".to_string(), + partition: 0, + from_offset: 0, + })) + .await + .unwrap(); + + let mut stream = response.into_inner(); + let mut all_chunks = Vec::new(); + + while let Ok(Some(Ok(resp))) = + tokio::time::timeout(Duration::from_secs(5), stream.next()).await + { + all_chunks.extend(resp.chunk); + } + + // Decode the wire format: offset(8 LE) + value_len(4 LE) + value + let mut cursor = 0; + let mut decoded = Vec::new(); + while cursor + 12 <= all_chunks.len() { + let offset = u64::from_le_bytes(all_chunks[cursor..cursor + 8].try_into().unwrap()); + let value_len = + u32::from_le_bytes(all_chunks[cursor + 8..cursor + 12].try_into().unwrap()) as usize; + cursor += 12; + assert!(cursor + value_len <= all_chunks.len()); + let value = all_chunks[cursor..cursor + value_len].to_vec(); + cursor += value_len; + decoded.push((offset, value)); + } + + assert_eq!(decoded.len(), 50); + for (i, (offset, value)) in decoded.iter().enumerate() { + assert_eq!(*offset, i as u64); + assert_eq!(value, format!("data-{i}").as_bytes()); + } +} + +// --------------------------------------------------------------------------- +// Test 9: Node status returns correct id +// --------------------------------------------------------------------------- + +#[tokio::test] +async fn test_node_status_returns_correct_id() { + let cluster = TestCluster::start(3).await; + + for (i, node) in cluster.nodes.iter().enumerate() { + let mut client = StatusServiceClient::connect(node.endpoint()).await.unwrap(); + let resp = client + .status(tonic::Request::new(GetStatusRequest {})) + .await + .unwrap(); + let expected = format!("node-{}", i + 1); + assert_eq!( + resp.into_inner().node_id, + expected, + "node at index {} should have id '{}'", + i, + expected + ); + } +} diff --git a/crates/sq-server/tests/data_plane_test.rs b/crates/sq-server/tests/data_plane_test.rs new file mode 100644 index 0000000..62fe585 --- /dev/null +++ b/crates/sq-server/tests/data_plane_test.rs @@ -0,0 +1,496 @@ +use std::net::SocketAddr; +use std::path::PathBuf; +use std::sync::Arc; + +use sq_grpc_interface::{ + data_plane_service_client::DataPlaneServiceClient, + data_plane_service_server::DataPlaneServiceServer, + status_service_client::StatusServiceClient, + status_service_server::StatusServiceServer, + AckMode, GetStatusRequest, MessageHeader, PublishMessage, PublishRequest, PublishSettings, + SubscribeRequest, +}; +use sq_sim::fs::InMemoryFileSystem; +use sq_sim::SimClock; +use sq_storage::engine::StorageEngine; +use tokio::sync::Mutex; +use tokio_stream::StreamExt; + +/// A lightweight test harness that starts a gRPC server on a random port +/// and returns both the server task and connected clients. +struct TestServer { + addr: SocketAddr, + _shutdown: tokio::sync::oneshot::Sender<()>, +} + +impl TestServer { + async fn start() -> Self { + let fs = Arc::new(InMemoryFileSystem::new()); + let clock = Arc::new(SimClock::new()); + let config = sq_models::WalConfig { + max_segment_bytes: 1024 * 1024, + max_segment_age_secs: 3600, + data_dir: PathBuf::from("/data"), + ..Default::default() + }; + + let engine = StorageEngine::new(fs, clock, config).unwrap(); + engine.recover().unwrap(); + + let engine = Arc::new(Mutex::new(engine)); + + let listener = tokio::net::TcpListener::bind("127.0.0.1:0").await.unwrap(); + let addr = listener.local_addr().unwrap(); + + let (shutdown_tx, shutdown_rx) = tokio::sync::oneshot::channel::<()>(); + + // Build the health server state-like object inline for tests. + let node_id = "test-node".to_string(); + + struct TestHealthServer { + node_id: String, + } + + #[tonic::async_trait] + impl sq_grpc_interface::status_service_server::StatusService for TestHealthServer { + async fn status( + &self, + _request: tonic::Request, + ) -> Result, tonic::Status> { + Ok(tonic::Response::new(sq_grpc_interface::GetStatusResponse { + node_id: self.node_id.clone(), + cluster: None, + })) + } + } + + struct TestDataPlaneServer { + engine: Arc>>, + } + + #[tonic::async_trait] + impl sq_grpc_interface::data_plane_service_server::DataPlaneService + for TestDataPlaneServer + { + async fn publish( + &self, + request: tonic::Request, + ) -> Result, tonic::Status> { + let req = request.into_inner(); + + if req.messages.is_empty() { + return Err(tonic::Status::invalid_argument( + "messages must not be empty", + )); + } + + let mut results = Vec::new(); + let engine = self.engine.lock().await; + + for msg in &req.messages { + if msg.topic.is_empty() { + return Err(tonic::Status::invalid_argument("topic must not be empty")); + } + + let headers: Vec = msg + .headers + .iter() + .map(|h| sq_models::Header { + key: h.key.clone(), + value: h.value.clone(), + }) + .collect(); + + let key = if msg.key.is_empty() { + None + } else { + Some(msg.key.as_slice()) + }; + + let offset = engine + .append(&msg.topic, 0, key, &msg.value, &headers, 0) + .map_err(|e| tonic::Status::internal(e.to_string()))?; + + results.push(sq_grpc_interface::PublishResult { + topic: msg.topic.clone(), + partition: 0, + offset, + }); + } + + Ok(tonic::Response::new(sq_grpc_interface::PublishResponse { + results, + })) + } + + type SubscribeStream = std::pin::Pin< + Box< + dyn tokio_stream::Stream< + Item = Result, + > + Send + + 'static, + >, + >; + + async fn subscribe( + &self, + request: tonic::Request, + ) -> Result, tonic::Status> { + let req = request.into_inner(); + let batch_size = if req.max_batch_size == 0 { + 100 + } else { + req.max_batch_size as usize + }; + let start_offset = req.start_offset.unwrap_or(0); + let topic = req.topic.clone(); + let partition = req.partition; + let engine = self.engine.clone(); + + let stream = async_stream::try_stream! { + let mut current_offset = start_offset; + let mut empty_polls = 0u32; + + loop { + let messages = { + let eng = engine.lock().await; + eng.read(&topic, partition, current_offset, batch_size) + .map_err(|e| tonic::Status::internal(e.to_string()))? + }; + + if messages.is_empty() { + empty_polls += 1; + // In tests, stop after a few empty polls to avoid hanging. + if empty_polls > 3 { + break; + } + tokio::time::sleep(tokio::time::Duration::from_millis(50)).await; + continue; + } + + empty_polls = 0; + + let consumed: Vec = messages + .iter() + .map(|m| { + current_offset = m.offset + 1; + sq_grpc_interface::ConsumedMessage { + offset: m.offset, + topic: m.topic.to_string(), + partition: m.partition, + key: m.key.clone().unwrap_or_default(), + value: m.value.clone(), + headers: m + .headers + .iter() + .map(|h| MessageHeader { + key: h.key.clone(), + value: h.value.clone(), + }) + .collect(), + timestamp_ms: m.timestamp_ms, + } + }) + .collect(); + + yield sq_grpc_interface::SubscribeResponse { messages: consumed }; + } + }; + + Ok(tonic::Response::new(Box::pin(stream))) + } + + async fn ack( + &self, + _request: tonic::Request, + ) -> Result, tonic::Status> { + Ok(tonic::Response::new(sq_grpc_interface::AckResponse {})) + } + } + + let incoming = tokio_stream::wrappers::TcpListenerStream::new(listener); + + tokio::spawn(async move { + tonic::transport::Server::builder() + .add_service(StatusServiceServer::new(TestHealthServer { + node_id: node_id.clone(), + })) + .add_service(DataPlaneServiceServer::new(TestDataPlaneServer { + engine, + })) + .serve_with_incoming_shutdown(incoming, async { + let _ = shutdown_rx.await; + }) + .await + .unwrap(); + }); + + // Give the server a moment to start. + tokio::time::sleep(tokio::time::Duration::from_millis(50)).await; + + TestServer { + addr, + _shutdown: shutdown_tx, + } + } + + fn endpoint(&self) -> String { + format!("http://{}", self.addr) + } +} + +#[tokio::test] +async fn test_status_rpc() { + let server = TestServer::start().await; + let mut client = StatusServiceClient::connect(server.endpoint()).await.unwrap(); + + let response = client + .status(tonic::Request::new(GetStatusRequest {})) + .await + .unwrap(); + + assert_eq!(response.into_inner().node_id, "test-node"); +} + +#[tokio::test] +async fn test_publish_single_message() { + let server = TestServer::start().await; + let mut client = DataPlaneServiceClient::connect(server.endpoint()) + .await + .unwrap(); + + let response = client + .publish(tonic::Request::new(PublishRequest { + messages: vec![PublishMessage { + topic: "orders".to_string(), + key: vec![], + value: b"hello world".to_vec(), + headers: vec![], + }], + settings: None, + producer_id: "test".to_string(), + })) + .await + .unwrap(); + + let results = response.into_inner().results; + assert_eq!(results.len(), 1); + assert_eq!(results[0].topic, "orders"); + assert_eq!(results[0].offset, 0); +} + +#[tokio::test] +async fn test_publish_batch_sequential_offsets() { + let server = TestServer::start().await; + let mut client = DataPlaneServiceClient::connect(server.endpoint()) + .await + .unwrap(); + + let messages: Vec = (0..100) + .map(|i| PublishMessage { + topic: "events".to_string(), + key: vec![], + value: format!("msg-{i}").into_bytes(), + headers: vec![], + }) + .collect(); + + let response = client + .publish(tonic::Request::new(PublishRequest { + messages, + settings: Some(PublishSettings { + ack_mode: AckMode::All.into(), + }), + producer_id: "test".to_string(), + })) + .await + .unwrap(); + + let results = response.into_inner().results; + assert_eq!(results.len(), 100); + for (i, r) in results.iter().enumerate() { + assert_eq!(r.offset, i as u64); + assert_eq!(r.topic, "events"); + } +} + +#[tokio::test] +async fn test_publish_empty_topic_returns_error() { + let server = TestServer::start().await; + let mut client = DataPlaneServiceClient::connect(server.endpoint()) + .await + .unwrap(); + + let err = client + .publish(tonic::Request::new(PublishRequest { + messages: vec![PublishMessage { + topic: "".to_string(), + key: vec![], + value: b"data".to_vec(), + headers: vec![], + }], + settings: None, + producer_id: "test".to_string(), + })) + .await + .unwrap_err(); + + assert_eq!(err.code(), tonic::Code::InvalidArgument); +} + +#[tokio::test] +async fn test_publish_empty_messages_returns_error() { + let server = TestServer::start().await; + let mut client = DataPlaneServiceClient::connect(server.endpoint()) + .await + .unwrap(); + + let err = client + .publish(tonic::Request::new(PublishRequest { + messages: vec![], + settings: None, + producer_id: "test".to_string(), + })) + .await + .unwrap_err(); + + assert_eq!(err.code(), tonic::Code::InvalidArgument); +} + +#[tokio::test] +async fn test_publish_with_key_and_headers() { + let server = TestServer::start().await; + let mut client = DataPlaneServiceClient::connect(server.endpoint()) + .await + .unwrap(); + + let response = client + .publish(tonic::Request::new(PublishRequest { + messages: vec![PublishMessage { + topic: "orders".to_string(), + key: b"order-123".to_vec(), + value: b"payload".to_vec(), + headers: vec![MessageHeader { + key: "trace-id".to_string(), + value: b"abc-123".to_vec(), + }], + }], + settings: None, + producer_id: "test".to_string(), + })) + .await + .unwrap(); + + let results = response.into_inner().results; + assert_eq!(results.len(), 1); + assert_eq!(results[0].offset, 0); +} + +#[tokio::test] +async fn test_subscribe_from_beginning() { + let server = TestServer::start().await; + let mut client = DataPlaneServiceClient::connect(server.endpoint()) + .await + .unwrap(); + + // Publish 10 messages first. + let messages: Vec = (0..10) + .map(|i| PublishMessage { + topic: "events".to_string(), + key: vec![], + value: format!("msg-{i}").into_bytes(), + headers: vec![], + }) + .collect(); + + client + .publish(tonic::Request::new(PublishRequest { + messages, + settings: None, + producer_id: "test".to_string(), + })) + .await + .unwrap(); + + // Subscribe from offset 0. + let response = client + .subscribe(tonic::Request::new(SubscribeRequest { + topic: "events".to_string(), + partition: 0, + consumer_group: "".to_string(), + start_offset: Some(0), + max_batch_size: 100, + })) + .await + .unwrap(); + + let mut stream = response.into_inner(); + let mut all_messages = Vec::new(); + + while let Some(Ok(batch)) = stream.next().await { + all_messages.extend(batch.messages); + if all_messages.len() >= 10 { + break; + } + } + + assert_eq!(all_messages.len(), 10); + for (i, msg) in all_messages.iter().enumerate() { + assert_eq!(msg.offset, i as u64); + assert_eq!(msg.value, format!("msg-{i}").as_bytes()); + assert_eq!(msg.topic, "events"); + } +} + +#[tokio::test] +async fn test_subscribe_from_middle() { + let server = TestServer::start().await; + let mut client = DataPlaneServiceClient::connect(server.endpoint()) + .await + .unwrap(); + + // Publish 10 messages. + let messages: Vec = (0..10) + .map(|i| PublishMessage { + topic: "events".to_string(), + key: vec![], + value: format!("msg-{i}").into_bytes(), + headers: vec![], + }) + .collect(); + + client + .publish(tonic::Request::new(PublishRequest { + messages, + settings: None, + producer_id: "test".to_string(), + })) + .await + .unwrap(); + + // Subscribe from offset 5. + let response = client + .subscribe(tonic::Request::new(SubscribeRequest { + topic: "events".to_string(), + partition: 0, + consumer_group: "".to_string(), + start_offset: Some(5), + max_batch_size: 100, + })) + .await + .unwrap(); + + let mut stream = response.into_inner(); + let mut all_messages = Vec::new(); + + while let Some(Ok(batch)) = stream.next().await { + all_messages.extend(batch.messages); + if all_messages.len() >= 5 { + break; + } + } + + assert_eq!(all_messages.len(), 5); + assert_eq!(all_messages[0].offset, 5); + assert_eq!(all_messages[4].offset, 9); +} diff --git a/crates/sq-server/tests/stress_test.rs b/crates/sq-server/tests/stress_test.rs new file mode 100644 index 0000000..32b1e7c --- /dev/null +++ b/crates/sq-server/tests/stress_test.rs @@ -0,0 +1,965 @@ +use std::net::SocketAddr; +use std::sync::Arc; +use std::time::{Duration, Instant}; + +use sq_cluster::membership::{Membership, MembershipConfig}; +use sq_grpc_interface::{ + cluster_service_server::ClusterServiceServer, + control_plane_service_server::ControlPlaneServiceServer, + data_plane_service_server::DataPlaneServiceServer, + status_service_client::StatusServiceClient, + status_service_server::StatusServiceServer, + GetStatusRequest, SubscribeRequest, +}; +use sq_grpc_interface::data_plane_service_client::DataPlaneServiceClient; +use sq_sdk::{ + BatchProducer, BatchProducerConfig, Consumer, ConsumerConfig, Producer, ProducerConfig, + ProducerMessage, +}; +use sq_server::capnp::CapnpServer; +use sq_server::grpc::{cluster, control_plane, data_plane, health}; +use sq_server::state::{Config, State}; +use tempfile::TempDir; +use tokio_stream::StreamExt; +use tokio_util::sync::CancellationToken; + +// --------------------------------------------------------------------------- +// Test harness (shared with cluster_test.rs, inlined here for simplicity) +// --------------------------------------------------------------------------- + +struct TestNode { + grpc_addr: SocketAddr, + capnp_addr: SocketAddr, + cancel: CancellationToken, + pipeline_cancel: CancellationToken, + _temp_dir: TempDir, + _server_handle: tokio::task::JoinHandle<()>, + _capnp_handle: tokio::task::JoinHandle<()>, +} + +impl TestNode { + /// Cap'n Proto endpoint (default data plane). + fn endpoint(&self) -> String { + self.capnp_addr.to_string() + } + + /// gRPC endpoint (health checks, subscribe verification). + fn grpc_endpoint(&self) -> String { + format!("http://{}", self.grpc_addr) + } +} + +struct TestCluster { + nodes: Vec, +} + +impl TestCluster { + async fn start(n: usize) -> Self { + let mut grpc_listeners = Vec::new(); + let mut capnp_listeners = Vec::new(); + let mut grpc_addrs = Vec::new(); + let mut capnp_addrs = Vec::new(); + + for _ in 0..n { + let grpc_listener = tokio::net::TcpListener::bind("127.0.0.1:0").await.unwrap(); + let capnp_listener = tokio::net::TcpListener::bind("127.0.0.1:0").await.unwrap(); + grpc_addrs.push(grpc_listener.local_addr().unwrap()); + capnp_addrs.push(capnp_listener.local_addr().unwrap()); + grpc_listeners.push(grpc_listener); + capnp_listeners.push(capnp_listener); + } + + let mut nodes = Vec::new(); + for (i, (grpc_listener, capnp_listener)) in + grpc_listeners.into_iter().zip(capnp_listeners).enumerate() + { + let grpc_addr = grpc_addrs[i]; + let capnp_addr = capnp_addrs[i]; + let node_id = format!("stress-node-{}", i + 1); + let temp_dir = TempDir::new().unwrap(); + + let seeds: Vec = grpc_addrs + .iter() + .enumerate() + .filter(|(j, _)| *j != i) + .map(|(_, a)| a.to_string()) + .collect(); + + let config = Config { + node_id: node_id.clone(), + data_dir: temp_dir.path().to_path_buf(), + seeds: seeds.clone(), + grpc_address: grpc_addr.to_string(), + cluster_id: "test-cluster".to_string(), + s3_bucket: None, + s3_endpoint: None, + s3_region: None, + sync_policy: sq_models::SyncPolicy::EveryBatch, + }; + + let (state, mut pipeline) = State::new(config).unwrap(); + + let pipeline_cancel = CancellationToken::new(); + let pipeline_cancel_clone = pipeline_cancel.clone(); + tokio::spawn(async move { + tokio::select! { + () = pipeline.run() => {} + () = pipeline_cancel_clone.cancelled() => {} + } + }); + + let membership = Arc::new(Membership::new(MembershipConfig { + node_id: node_id.clone(), + address: grpc_addr.to_string(), + seeds, + ..Default::default() + })); + + let cancel = CancellationToken::new(); + + // Spawn gRPC server. + let cancel_clone = cancel.clone(); + let state_clone = state.clone(); + let membership_clone = membership.clone(); + let incoming = tokio_stream::wrappers::TcpListenerStream::new(grpc_listener); + let server_handle = tokio::spawn(async move { + tonic::transport::Server::builder() + .add_service(StatusServiceServer::new(health::HealthServer { + state: state_clone.clone(), + })) + .add_service(DataPlaneServiceServer::new(data_plane::DataPlaneServer { + state: state_clone.clone(), + })) + .add_service(ControlPlaneServiceServer::new( + control_plane::ControlPlaneServer { + state: state_clone.clone(), + }, + )) + .add_service(ClusterServiceServer::new(cluster::ClusterServer { + state: state_clone, + membership: membership_clone, + })) + .serve_with_incoming_shutdown(incoming, async move { + cancel_clone.cancelled().await; + }) + .await + .unwrap(); + }); + + // Spawn capnp server. + let cancel_clone = cancel.clone(); + let capnp_state = state.clone(); + let capnp_handle = tokio::spawn(async move { + let server = CapnpServer { + host: capnp_addr, + state: capnp_state, + }; + drop(capnp_listener); + let _ = notmad::Component::run(&server, cancel_clone).await; + }); + + nodes.push(TestNode { + grpc_addr, + capnp_addr, + cancel, + pipeline_cancel, + _temp_dir: temp_dir, + _server_handle: server_handle, + _capnp_handle: capnp_handle, + }); + } + + for node in &nodes { + wait_for_ready(&node.grpc_endpoint()).await; + } + // Give capnp server a moment to bind. + tokio::time::sleep(Duration::from_millis(50)).await; + + TestCluster { nodes } + } + + fn node(&self, index: usize) -> &TestNode { + &self.nodes[index] + } +} + +impl Drop for TestCluster { + fn drop(&mut self) { + for node in &self.nodes { + node.pipeline_cancel.cancel(); + node.cancel.cancel(); + } + } +} + +async fn wait_for_ready(endpoint: &str) { + let deadline = tokio::time::Instant::now() + tokio::time::Duration::from_secs(5); + loop { + if tokio::time::Instant::now() > deadline { + panic!("Server at {} did not become ready in time", endpoint); + } + if let Ok(mut client) = StatusServiceClient::connect(endpoint.to_string()).await { + if client + .status(tonic::Request::new(GetStatusRequest {})) + .await + .is_ok() + { + return; + } + } + tokio::time::sleep(tokio::time::Duration::from_millis(10)).await; + } +} + +// --------------------------------------------------------------------------- +// Stress test 1: High-volume publish — 100K messages from a single producer +// --------------------------------------------------------------------------- + +#[tokio::test] +async fn stress_single_producer_100k() { + let cluster = TestCluster::start(1).await; + let endpoint = cluster.node(0).endpoint(); + let grpc_ep = cluster.node(0).grpc_endpoint(); + + let mut producer = Producer::connect(ProducerConfig { + address: endpoint.clone(), + ..Default::default() + }) + .await + .unwrap(); + + let total = 100_000u64; + let batch_size = 500; + let payload = vec![0u8; 128]; // 128-byte messages + + let start = Instant::now(); + + for batch_start in (0..total).step_by(batch_size) { + let batch_end = (batch_start + batch_size as u64).min(total); + let batch: Vec = (batch_start..batch_end) + .map(|_| ProducerMessage::new("stress-topic", payload.clone())) + .collect(); + producer.send_batch(batch).await.unwrap(); + } + + let publish_duration = start.elapsed(); + let msgs_per_sec = total as f64 / publish_duration.as_secs_f64(); + + eprintln!( + "stress_single_producer_100k: published {} messages in {:.2}s ({:.0} msg/s, {:.1} MB/s)", + total, + publish_duration.as_secs_f64(), + msgs_per_sec, + (total as f64 * 128.0) / (1024.0 * 1024.0) / publish_duration.as_secs_f64() + ); + + // Verify: read back all messages via gRPC subscribe. + let mut client = DataPlaneServiceClient::connect(grpc_ep) + .await + .unwrap(); + let response = client + .subscribe(tonic::Request::new(SubscribeRequest { + topic: "stress-topic".to_string(), + partition: 0, + consumer_group: String::new(), + start_offset: Some(0), + max_batch_size: 1000, + })) + .await + .unwrap(); + + let mut stream = response.into_inner(); + let mut consumed = 0u64; + let consume_start = Instant::now(); + + while consumed < total { + match tokio::time::timeout(Duration::from_secs(10), stream.next()).await { + Ok(Some(Ok(batch))) => consumed += batch.messages.len() as u64, + _ => break, + } + } + + let consume_duration = consume_start.elapsed(); + let consume_per_sec = consumed as f64 / consume_duration.as_secs_f64(); + + eprintln!( + "stress_single_producer_100k: consumed {} messages in {:.2}s ({:.0} msg/s)", + consumed, + consume_duration.as_secs_f64(), + consume_per_sec + ); + + assert_eq!(consumed, total, "expected all messages to be consumed"); +} + +// --------------------------------------------------------------------------- +// Stress test 2: Concurrent producers — 10 producers, 10K messages each +// --------------------------------------------------------------------------- + +#[tokio::test] +async fn stress_concurrent_producers() { + let cluster = TestCluster::start(1).await; + let endpoint = cluster.node(0).endpoint(); + let grpc_ep = cluster.node(0).grpc_endpoint(); + + let num_producers = 10; + let msgs_per_producer = 10_000u64; + let payload = vec![0u8; 64]; + + let start = Instant::now(); + + let mut handles = Vec::new(); + for p in 0..num_producers { + let ep = endpoint.clone(); + let pl = payload.clone(); + handles.push(tokio::spawn(async move { + let mut producer = Producer::connect(ProducerConfig { + address: ep, + producer_id: format!("producer-{p}"), + ..Default::default() + }) + .await + .unwrap(); + + let topic = format!("concurrent-topic-{p}"); + for batch_start in (0..msgs_per_producer).step_by(100) { + let batch_end = (batch_start + 100).min(msgs_per_producer); + let batch: Vec = (batch_start..batch_end) + .map(|_| ProducerMessage::new(topic.clone(), pl.clone())) + .collect(); + producer.send_batch(batch).await.unwrap(); + } + })); + } + + for handle in handles { + handle.await.unwrap(); + } + + let duration = start.elapsed(); + let total = num_producers as u64 * msgs_per_producer; + let msgs_per_sec = total as f64 / duration.as_secs_f64(); + + eprintln!( + "stress_concurrent_producers: {} producers x {} msgs = {} total in {:.2}s ({:.0} msg/s)", + num_producers, + msgs_per_producer, + total, + duration.as_secs_f64(), + msgs_per_sec + ); + + // Verify each topic has the right count via gRPC. + for p in 0..num_producers { + let topic = format!("concurrent-topic-{p}"); + let mut client = DataPlaneServiceClient::connect(grpc_ep.clone()) + .await + .unwrap(); + let response = client + .subscribe(tonic::Request::new(SubscribeRequest { + topic: topic.clone(), + partition: 0, + consumer_group: String::new(), + start_offset: Some(0), + max_batch_size: 1000, + })) + .await + .unwrap(); + + let mut stream = response.into_inner(); + let mut count = 0u64; + while count < msgs_per_producer { + match tokio::time::timeout(Duration::from_secs(5), stream.next()).await { + Ok(Some(Ok(batch))) => count += batch.messages.len() as u64, + _ => break, + } + } + assert_eq!( + count, msgs_per_producer, + "topic {topic} expected {msgs_per_producer} messages, got {count}" + ); + } +} + +// --------------------------------------------------------------------------- +// Stress test 3: Concurrent consumers — publish then read in parallel +// --------------------------------------------------------------------------- + +#[tokio::test] +async fn stress_concurrent_consumers() { + let cluster = TestCluster::start(1).await; + let endpoint = cluster.node(0).endpoint(); + let grpc_ep = cluster.node(0).grpc_endpoint(); + let total = 50_000u64; + let payload = vec![0u8; 64]; + + // Pre-publish messages. + let mut producer = Producer::connect(ProducerConfig { + address: endpoint.clone(), + ..Default::default() + }) + .await + .unwrap(); + + for batch_start in (0..total).step_by(500) { + let batch_end = (batch_start + 500).min(total); + let batch: Vec = (batch_start..batch_end) + .map(|_| ProducerMessage::new("consume-stress", payload.clone())) + .collect(); + producer.send_batch(batch).await.unwrap(); + } + + // Consume in parallel from 5 independent consumers via gRPC (no consumer group — each reads all). + let num_consumers = 5; + let start = Instant::now(); + + let mut handles = Vec::new(); + for _ in 0..num_consumers { + let ep = grpc_ep.clone(); + handles.push(tokio::spawn(async move { + let mut client = DataPlaneServiceClient::connect(ep).await.unwrap(); + let response = client + .subscribe(tonic::Request::new(SubscribeRequest { + topic: "consume-stress".to_string(), + partition: 0, + consumer_group: String::new(), + start_offset: Some(0), + max_batch_size: 1000, + })) + .await + .unwrap(); + + let mut stream = response.into_inner(); + let mut count = 0u64; + while count < total { + match tokio::time::timeout(Duration::from_secs(10), stream.next()).await { + Ok(Some(Ok(batch))) => count += batch.messages.len() as u64, + _ => break, + } + } + count + })); + } + + for handle in handles { + let count = handle.await.unwrap(); + assert_eq!(count, total, "each consumer should read all {total} messages"); + } + + let duration = start.elapsed(); + eprintln!( + "stress_concurrent_consumers: {} consumers each read {} msgs in {:.2}s", + num_consumers, + total, + duration.as_secs_f64() + ); +} + +// --------------------------------------------------------------------------- +// Stress test 4: Sustained load — publish+consume simultaneously over time +// --------------------------------------------------------------------------- + +#[tokio::test] +async fn stress_sustained_load() { + let cluster = TestCluster::start(1).await; + let endpoint = cluster.node(0).endpoint(); + let grpc_ep = cluster.node(0).grpc_endpoint(); + let sustain_duration = Duration::from_secs(3); + let payload = vec![0u8; 256]; + + let ep = endpoint.clone(); + let pl = payload.clone(); + + // Producer: publish as fast as possible for the sustained duration. + let producer_handle = tokio::spawn(async move { + let mut producer = Producer::connect(ProducerConfig { + address: ep, + ..Default::default() + }) + .await + .unwrap(); + + let start = Instant::now(); + let mut total = 0u64; + while start.elapsed() < sustain_duration { + let batch: Vec = (0..100) + .map(|_| ProducerMessage::new("sustained-topic", pl.clone())) + .collect(); + producer.send_batch(batch).await.unwrap(); + total += 100; + } + (total, start.elapsed()) + }); + + // Give producer a head start. + tokio::time::sleep(Duration::from_millis(100)).await; + + // Consumer: read as fast as possible via gRPC subscribe. + let ep = grpc_ep.clone(); + let consumer_handle = tokio::spawn(async move { + let mut client = DataPlaneServiceClient::connect(ep).await.unwrap(); + let response = client + .subscribe(tonic::Request::new(SubscribeRequest { + topic: "sustained-topic".to_string(), + partition: 0, + consumer_group: String::new(), + start_offset: Some(0), + max_batch_size: 1000, + })) + .await + .unwrap(); + + let mut stream = response.into_inner(); + let mut count = 0u64; + let start = Instant::now(); + + // Read for longer than the producer runs to drain everything. + let read_deadline = sustain_duration + Duration::from_secs(5); + while start.elapsed() < read_deadline { + match tokio::time::timeout(Duration::from_secs(2), stream.next()).await { + Ok(Some(Ok(batch))) => count += batch.messages.len() as u64, + _ => break, + } + } + count + }); + + let (published, pub_duration) = producer_handle.await.unwrap(); + let consumed = consumer_handle.await.unwrap(); + + let pub_rate = published as f64 / pub_duration.as_secs_f64(); + let throughput_mb = + (published as f64 * 256.0) / (1024.0 * 1024.0) / pub_duration.as_secs_f64(); + + eprintln!( + "stress_sustained_load: published {} in {:.2}s ({:.0} msg/s, {:.1} MB/s), consumed {}", + published, + pub_duration.as_secs_f64(), + pub_rate, + throughput_mb, + consumed + ); + + assert!( + published > 0, + "should have published messages during sustained load" + ); + assert_eq!(consumed, published, "consumer should eventually read all published messages"); +} + +// --------------------------------------------------------------------------- +// Stress test 5: Multi-topic fan-out — publish to many topics simultaneously +// --------------------------------------------------------------------------- + +#[tokio::test] +async fn stress_multi_topic_fanout() { + let cluster = TestCluster::start(1).await; + let endpoint = cluster.node(0).endpoint(); + let grpc_ep = cluster.node(0).grpc_endpoint(); + let num_topics = 50; + let msgs_per_topic = 1_000u64; + let payload = vec![0u8; 64]; + + let start = Instant::now(); + + let mut producer = Producer::connect(ProducerConfig { + address: endpoint.clone(), + ..Default::default() + }) + .await + .unwrap(); + + // Publish to many topics in round-robin batches. + for batch_start in (0..msgs_per_topic).step_by(100) { + let batch_end = (batch_start + 100).min(msgs_per_topic); + for t in 0..num_topics { + let topic = format!("fanout-{t}"); + let batch: Vec = (batch_start..batch_end) + .map(|_| ProducerMessage::new(topic.clone(), payload.clone())) + .collect(); + producer.send_batch(batch).await.unwrap(); + } + } + + let duration = start.elapsed(); + let total = num_topics as u64 * msgs_per_topic; + eprintln!( + "stress_multi_topic_fanout: {} topics x {} msgs = {} total in {:.2}s ({:.0} msg/s)", + num_topics, + msgs_per_topic, + total, + duration.as_secs_f64(), + total as f64 / duration.as_secs_f64() + ); + + // Spot-check a few topics via gRPC. + for t in [0, num_topics / 2, num_topics - 1] { + let topic = format!("fanout-{t}"); + let mut client = DataPlaneServiceClient::connect(grpc_ep.clone()) + .await + .unwrap(); + let response = client + .subscribe(tonic::Request::new(SubscribeRequest { + topic: topic.clone(), + partition: 0, + consumer_group: String::new(), + start_offset: Some(0), + max_batch_size: 1000, + })) + .await + .unwrap(); + + let mut stream = response.into_inner(); + let mut count = 0u64; + while count < msgs_per_topic { + match tokio::time::timeout(Duration::from_secs(5), stream.next()).await { + Ok(Some(Ok(batch))) => count += batch.messages.len() as u64, + _ => break, + } + } + assert_eq!( + count, msgs_per_topic, + "topic {topic} expected {msgs_per_topic} messages, got {count}" + ); + } +} + +// --------------------------------------------------------------------------- +// Stress test 6: Large message bodies — 10K messages with 4KB payloads +// --------------------------------------------------------------------------- + +#[tokio::test] +async fn stress_large_messages() { + let cluster = TestCluster::start(1).await; + let endpoint = cluster.node(0).endpoint(); + let grpc_ep = cluster.node(0).grpc_endpoint(); + + let total = 10_000u64; + let payload = vec![0xABu8; 4096]; // 4KB messages + + let mut producer = Producer::connect(ProducerConfig { + address: endpoint.clone(), + ..Default::default() + }) + .await + .unwrap(); + + let start = Instant::now(); + + for batch_start in (0..total).step_by(50) { + let batch_end = (batch_start + 50).min(total); + let batch: Vec = (batch_start..batch_end) + .map(|_| ProducerMessage::new("large-msgs", payload.clone())) + .collect(); + producer.send_batch(batch).await.unwrap(); + } + + let pub_duration = start.elapsed(); + let data_mb = (total as f64 * 4096.0) / (1024.0 * 1024.0); + eprintln!( + "stress_large_messages: published {} x 4KB = {:.1}MB in {:.2}s ({:.1} MB/s)", + total, + data_mb, + pub_duration.as_secs_f64(), + data_mb / pub_duration.as_secs_f64() + ); + + // Verify all data reads back correctly via gRPC. + let mut client = DataPlaneServiceClient::connect(grpc_ep).await.unwrap(); + let response = client + .subscribe(tonic::Request::new(SubscribeRequest { + topic: "large-msgs".to_string(), + partition: 0, + consumer_group: String::new(), + start_offset: Some(0), + max_batch_size: 200, + })) + .await + .unwrap(); + + let mut stream = response.into_inner(); + let mut count = 0u64; + while count < total { + match tokio::time::timeout(Duration::from_secs(10), stream.next()).await { + Ok(Some(Ok(batch))) => { + for msg in &batch.messages { + assert_eq!(msg.value.len(), 4096, "message body should be 4KB"); + assert!(msg.value.iter().all(|&b| b == 0xAB), "data integrity check"); + } + count += batch.messages.len() as u64; + } + _ => break, + } + } + + assert_eq!(count, total, "all large messages should be consumed"); +} + +// --------------------------------------------------------------------------- +// Stress test 7: Consumer group offset tracking under load +// --------------------------------------------------------------------------- + +#[tokio::test] +async fn stress_consumer_group_resume() { + let cluster = TestCluster::start(1).await; + let endpoint = cluster.node(0).endpoint(); + let total = 10_000u64; + let payload = vec![0u8; 32]; + + // Publish all messages. + let mut producer = Producer::connect(ProducerConfig { + address: endpoint.clone(), + ..Default::default() + }) + .await + .unwrap(); + + for batch_start in (0..total).step_by(500) { + let batch_end = (batch_start + 500).min(total); + let batch: Vec = (batch_start..batch_end) + .map(|_| ProducerMessage::new("cg-stress", payload.clone())) + .collect(); + producer.send_batch(batch).await.unwrap(); + } + + // Consume first half with auto-commit. + let half = total / 2; + { + let mut consumer = Consumer::connect(ConsumerConfig { + address: endpoint.clone(), + consumer_group: "stress-group".to_string(), + topic: "cg-stress".to_string(), + auto_commit: true, + max_poll_records: 500, + ..Default::default() + }) + .await + .unwrap(); + + let mut consumed = 0u64; + while consumed < half { + let msgs = tokio::time::timeout(Duration::from_secs(5), consumer.poll()) + .await + .unwrap() + .unwrap(); + consumed += msgs.len() as u64; + } + assert!(consumed >= half, "should have consumed at least half"); + } + + // Reconnect — should resume from the committed offset. + { + let mut consumer = Consumer::connect(ConsumerConfig { + address: endpoint.clone(), + consumer_group: "stress-group".to_string(), + topic: "cg-stress".to_string(), + auto_commit: true, + max_poll_records: 500, + ..Default::default() + }) + .await + .unwrap(); + + let msgs = tokio::time::timeout(Duration::from_secs(5), consumer.poll()) + .await + .unwrap() + .unwrap(); + + // First message after reconnect should be at or after the halfway point. + assert!( + !msgs.is_empty(), + "should receive messages after resume" + ); + let first_offset = msgs[0].offset; + assert!( + first_offset >= half - 500, // Allow some re-delivery due to batch commit + "first offset after resume should be near {half}, got {first_offset}" + ); + } +} + +// --------------------------------------------------------------------------- +// Stress test 8: BatchProducer — 100K messages from a single batching producer +// --------------------------------------------------------------------------- + +#[tokio::test] +async fn stress_batch_producer_100k() { + let cluster = TestCluster::start(1).await; + let endpoint = cluster.node(0).endpoint(); + let grpc_ep = cluster.node(0).grpc_endpoint(); + + let producer = BatchProducer::connect(BatchProducerConfig { + address: endpoint.clone(), + max_batch_size: 1000, + flush_interval_ms: 5, + channel_capacity: 20_000, + ..Default::default() + }) + .await + .unwrap(); + + let producer = Arc::new(producer); + let total = 100_000u64; + let payload = vec![0u8; 128]; + + let start = Instant::now(); + + // Spawn a task per message to fully saturate the batch pipeline. + let mut handles = Vec::with_capacity(total as usize); + for _ in 0..total { + let p = producer.clone(); + let pl = payload.clone(); + handles.push(tokio::spawn(async move { + p.send(ProducerMessage::new("batch-stress", pl)) + .await + .unwrap(); + })); + } + + for handle in handles { + handle.await.unwrap(); + } + + let publish_duration = start.elapsed(); + let msgs_per_sec = total as f64 / publish_duration.as_secs_f64(); + + eprintln!( + "stress_batch_producer_100k: published {} messages in {:.2}s ({:.0} msg/s, {:.1} MB/s)", + total, + publish_duration.as_secs_f64(), + msgs_per_sec, + (total as f64 * 128.0) / (1024.0 * 1024.0) / publish_duration.as_secs_f64() + ); + + // Verify: read back all messages via gRPC. + let mut client = DataPlaneServiceClient::connect(grpc_ep).await.unwrap(); + let response = client + .subscribe(tonic::Request::new(SubscribeRequest { + topic: "batch-stress".to_string(), + partition: 0, + consumer_group: String::new(), + start_offset: Some(0), + max_batch_size: 1000, + })) + .await + .unwrap(); + + let mut stream = response.into_inner(); + let mut consumed = 0u64; + + while consumed < total { + match tokio::time::timeout(Duration::from_secs(10), stream.next()).await { + Ok(Some(Ok(batch))) => consumed += batch.messages.len() as u64, + _ => break, + } + } + + assert_eq!(consumed, total, "expected all messages to be consumed"); + + // Close the producer (flushes remaining). + Arc::try_unwrap(producer).ok().unwrap().close().await; +} + +// --------------------------------------------------------------------------- +// Stress test 9: BatchProducer concurrent — 10 batching producers, 10K each +// --------------------------------------------------------------------------- + +#[tokio::test] +async fn stress_batch_concurrent_producers() { + let cluster = TestCluster::start(1).await; + let endpoint = cluster.node(0).endpoint(); + let grpc_ep = cluster.node(0).grpc_endpoint(); + + let num_producers = 10; + let msgs_per_producer = 10_000u64; + let payload = vec![0u8; 64]; + + let start = Instant::now(); + + let mut handles = Vec::new(); + for p in 0..num_producers { + let ep = endpoint.clone(); + let pl = payload.clone(); + handles.push(tokio::spawn(async move { + let producer = Arc::new( + BatchProducer::connect(BatchProducerConfig { + address: ep, + producer_id: format!("batch-producer-{p}"), + max_batch_size: 500, + flush_interval_ms: 5, + ..Default::default() + }) + .await + .unwrap(), + ); + + let topic = format!("batch-concurrent-{p}"); + let mut send_handles = Vec::new(); + + // Fire all sends concurrently within each producer. + for _ in 0..msgs_per_producer { + let p = producer.clone(); + let t = topic.clone(); + let pl = pl.clone(); + send_handles.push(tokio::spawn(async move { + p.send(ProducerMessage::new(t, pl)).await.unwrap(); + })); + } + + // Await all acks. + for handle in send_handles { + handle.await.unwrap(); + } + + Arc::try_unwrap(producer).ok().unwrap().close().await; + })); + } + + for handle in handles { + handle.await.unwrap(); + } + + let duration = start.elapsed(); + let total = num_producers as u64 * msgs_per_producer; + let msgs_per_sec = total as f64 / duration.as_secs_f64(); + + eprintln!( + "stress_batch_concurrent_producers: {} producers x {} msgs = {} total in {:.2}s ({:.0} msg/s)", + num_producers, + msgs_per_producer, + total, + duration.as_secs_f64(), + msgs_per_sec + ); + + // Verify each topic has the right count via gRPC. + for p in 0..num_producers { + let topic = format!("batch-concurrent-{p}"); + let mut client = DataPlaneServiceClient::connect(grpc_ep.clone()) + .await + .unwrap(); + let response = client + .subscribe(tonic::Request::new(SubscribeRequest { + topic: topic.clone(), + partition: 0, + consumer_group: String::new(), + start_offset: Some(0), + max_batch_size: 1000, + })) + .await + .unwrap(); + + let mut stream = response.into_inner(); + let mut count = 0u64; + while count < msgs_per_producer { + match tokio::time::timeout(Duration::from_secs(5), stream.next()).await { + Ok(Some(Ok(batch))) => count += batch.messages.len() as u64, + _ => break, + } + } + assert_eq!( + count, msgs_per_producer, + "topic {topic} expected {msgs_per_producer} messages, got {count}" + ); + } +} diff --git a/crates/sq-sim/Cargo.toml b/crates/sq-sim/Cargo.toml index bc68009..b518848 100644 --- a/crates/sq-sim/Cargo.toml +++ b/crates/sq-sim/Cargo.toml @@ -7,6 +7,9 @@ edition.workspace = true anyhow = { workspace = true } tokio = { workspace = true } tracing = { workspace = true } +thiserror = { workspace = true } [dev-dependencies] tokio = { workspace = true, features = ["full", "test-util"] } +sq-storage = { workspace = true } +sq-models = { workspace = true } diff --git a/crates/sq-sim/src/clock.rs b/crates/sq-sim/src/clock.rs new file mode 100644 index 0000000..9a3199d --- /dev/null +++ b/crates/sq-sim/src/clock.rs @@ -0,0 +1,131 @@ +use std::sync::{Arc, Mutex}; +use std::time::{Duration, Instant}; + +/// Trait abstracting time for deterministic simulation. +pub trait Clock: Send + Sync { + fn now(&self) -> Instant; + fn elapsed_since(&self, earlier: Instant) -> Duration { + self.now().duration_since(earlier) + } +} + +/// Real clock delegating to `std::time::Instant`. +#[derive(Clone)] +pub struct RealClock; + +impl Clock for RealClock { + fn now(&self) -> Instant { + Instant::now() + } +} + +/// Deterministic clock for simulation testing. +/// Time only advances when explicitly ticked. +#[derive(Clone)] +pub struct SimClock { + inner: Arc, +} + +struct SimClockInner { + /// We store a "base" real instant and an offset in nanos. + /// `now()` returns `base + offset`. + base: Instant, + offset_nanos: Mutex, +} + +impl SimClock { + pub fn new() -> Self { + Self { + inner: Arc::new(SimClockInner { + base: Instant::now(), + offset_nanos: Mutex::new(0), + }), + } + } + + /// Advance time by the given duration. + pub fn advance(&self, duration: Duration) { + let mut offset = self.inner.offset_nanos.lock().unwrap(); + *offset += duration.as_nanos(); + } + + /// Get the current elapsed duration from the start. + pub fn elapsed(&self) -> Duration { + let offset = self.inner.offset_nanos.lock().unwrap(); + Duration::from_nanos(*offset as u64) + } +} + +impl Default for SimClock { + fn default() -> Self { + Self::new() + } +} + +impl Clock for SimClock { + fn now(&self) -> Instant { + let offset = self.inner.offset_nanos.lock().unwrap(); + self.inner.base + Duration::from_nanos(*offset as u64) + } +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn test_real_clock_advances() { + let clock = RealClock; + let t1 = clock.now(); + // Busy-wait a tiny bit + std::thread::sleep(Duration::from_millis(1)); + let t2 = clock.now(); + assert!(t2 > t1); + } + + #[test] + fn test_sim_clock_starts_at_base() { + let clock = SimClock::new(); + assert_eq!(clock.elapsed(), Duration::ZERO); + } + + #[test] + fn test_sim_clock_advance() { + let clock = SimClock::new(); + let t1 = clock.now(); + + clock.advance(Duration::from_secs(10)); + let t2 = clock.now(); + + assert_eq!(t2.duration_since(t1), Duration::from_secs(10)); + assert_eq!(clock.elapsed(), Duration::from_secs(10)); + } + + #[test] + fn test_sim_clock_multiple_advances() { + let clock = SimClock::new(); + + clock.advance(Duration::from_millis(100)); + clock.advance(Duration::from_millis(200)); + clock.advance(Duration::from_millis(300)); + + assert_eq!(clock.elapsed(), Duration::from_millis(600)); + } + + #[test] + fn test_sim_clock_clone_shares_state() { + let clock1 = SimClock::new(); + let clock2 = clock1.clone(); + + clock1.advance(Duration::from_secs(5)); + assert_eq!(clock2.elapsed(), Duration::from_secs(5)); + } + + #[test] + fn test_sim_clock_elapsed_since() { + let clock = SimClock::new(); + let t1 = clock.now(); + clock.advance(Duration::from_secs(42)); + assert_eq!(clock.elapsed_since(t1), Duration::from_secs(42)); + } +} diff --git a/crates/sq-sim/src/fs.rs b/crates/sq-sim/src/fs.rs new file mode 100644 index 0000000..0e1a8ab --- /dev/null +++ b/crates/sq-sim/src/fs.rs @@ -0,0 +1,666 @@ +use std::collections::BTreeMap; +use std::io; +use std::path::{Path, PathBuf}; +use std::sync::{Arc, Mutex}; + +// --------------------------------------------------------------------------- +// Traits +// --------------------------------------------------------------------------- + +/// Trait abstracting filesystem operations for deterministic simulation. +pub trait FileSystem: Send + Sync { + fn create_dir_all(&self, path: &Path) -> io::Result<()>; + fn open_write(&self, path: &Path) -> io::Result>; + fn open_append(&self, path: &Path) -> io::Result>; + fn open_read(&self, path: &Path) -> io::Result>; + fn remove_file(&self, path: &Path) -> io::Result<()>; + fn list_dir(&self, path: &Path) -> io::Result>; + fn exists(&self, path: &Path) -> bool; + fn file_size(&self, path: &Path) -> io::Result; +} + +/// Trait abstracting a file handle for reads/writes/fsync. +pub trait FileHandle: Send + Sync { + fn write_all(&mut self, buf: &[u8]) -> io::Result<()>; + fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()>; + fn read_to_end(&mut self, buf: &mut Vec) -> io::Result; + fn fsync(&mut self) -> io::Result<()>; + fn position(&self) -> u64; + fn seek(&mut self, pos: u64) -> io::Result<()>; +} + +// --------------------------------------------------------------------------- +// RealFileSystem +// --------------------------------------------------------------------------- + +/// Real filesystem delegating to std::fs. +pub struct RealFileSystem; + +impl FileSystem for RealFileSystem { + fn create_dir_all(&self, path: &Path) -> io::Result<()> { + std::fs::create_dir_all(path) + } + + fn open_write(&self, path: &Path) -> io::Result> { + let file = std::fs::File::create(path)?; + Ok(Box::new(RealFileHandle { + file, + position: 0, + })) + } + + fn open_append(&self, path: &Path) -> io::Result> { + let file = std::fs::OpenOptions::new() + .create(true) + .append(true) + .open(path)?; + let position = file.metadata()?.len(); + Ok(Box::new(RealFileHandle { file, position })) + } + + fn open_read(&self, path: &Path) -> io::Result> { + let file = std::fs::File::open(path)?; + Ok(Box::new(RealFileHandle { + file, + position: 0, + })) + } + + fn remove_file(&self, path: &Path) -> io::Result<()> { + std::fs::remove_file(path) + } + + fn list_dir(&self, path: &Path) -> io::Result> { + let mut entries = Vec::new(); + for entry in std::fs::read_dir(path)? { + entries.push(entry?.path()); + } + entries.sort(); + Ok(entries) + } + + fn exists(&self, path: &Path) -> bool { + path.exists() + } + + fn file_size(&self, path: &Path) -> io::Result { + Ok(std::fs::metadata(path)?.len()) + } +} + +struct RealFileHandle { + file: std::fs::File, + position: u64, +} + +impl FileHandle for RealFileHandle { + fn write_all(&mut self, buf: &[u8]) -> io::Result<()> { + use std::io::Write; + self.file.write_all(buf)?; + self.position += buf.len() as u64; + Ok(()) + } + + fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()> { + use std::io::Read; + self.file.read_exact(buf)?; + self.position += buf.len() as u64; + Ok(()) + } + + fn read_to_end(&mut self, buf: &mut Vec) -> io::Result { + use std::io::Read; + let n = self.file.read_to_end(buf)?; + self.position += n as u64; + Ok(n) + } + + fn fsync(&mut self) -> io::Result<()> { + use std::io::Write; + self.file.flush()?; + self.file.sync_all() + } + + fn position(&self) -> u64 { + self.position + } + + fn seek(&mut self, pos: u64) -> io::Result<()> { + use std::io::Seek; + self.file.seek(io::SeekFrom::Start(pos))?; + self.position = pos; + Ok(()) + } +} + +// --------------------------------------------------------------------------- +// InMemoryFileSystem +// --------------------------------------------------------------------------- + +/// In-memory filesystem for deterministic testing with fault injection. +#[derive(Clone)] +pub struct InMemoryFileSystem { + inner: Arc>, +} + +struct InMemoryFsInner { + /// File contents keyed by canonical path. + files: BTreeMap>, + /// Directories that have been created. + dirs: std::collections::BTreeSet, + /// Fault injection state. + faults: FaultState, +} + +#[derive(Default)] +struct FaultState { + fail_next_fsync: Option, + disk_full: bool, +} + +impl InMemoryFileSystem { + pub fn new() -> Self { + Self { + inner: Arc::new(Mutex::new(InMemoryFsInner { + files: BTreeMap::new(), + dirs: std::collections::BTreeSet::new(), + faults: FaultState::default(), + })), + } + } + + /// Make the next fsync call fail with the given error. + pub fn fail_next_fsync(&self, error: io::Error) { + let mut inner = self.inner.lock().unwrap(); + inner.faults.fail_next_fsync = Some(error); + } + + /// Simulate disk full: all writes will fail. + pub fn simulate_disk_full(&self) { + let mut inner = self.inner.lock().unwrap(); + inner.faults.disk_full = true; + } + + /// Clear all fault injection state. + pub fn clear_faults(&self) { + let mut inner = self.inner.lock().unwrap(); + inner.faults = FaultState::default(); + } + + /// Corrupt bytes at a given offset in a file. + pub fn corrupt_bytes(&self, path: &Path, offset: u64, len: usize) { + let mut inner = self.inner.lock().unwrap(); + if let Some(data) = inner.files.get_mut(path) { + let start = offset as usize; + let end = (start + len).min(data.len()); + for b in &mut data[start..end] { + *b ^= 0xFF; + } + } + } + + /// Get a snapshot of file contents (for test assertions). + pub fn read_file_bytes(&self, path: &Path) -> Option> { + let inner = self.inner.lock().unwrap(); + inner.files.get(path).cloned() + } +} + +impl Default for InMemoryFileSystem { + fn default() -> Self { + Self::new() + } +} + +impl FileSystem for InMemoryFileSystem { + fn create_dir_all(&self, path: &Path) -> io::Result<()> { + let mut inner = self.inner.lock().unwrap(); + // Add this dir and all ancestors. + let mut current = path.to_path_buf(); + loop { + inner.dirs.insert(current.clone()); + if !current.pop() { + break; + } + } + Ok(()) + } + + fn open_write(&self, path: &Path) -> io::Result> { + let inner_ref = self.inner.clone(); + // Truncate/create + { + let mut inner = inner_ref.lock().unwrap(); + inner.files.insert(path.to_path_buf(), Vec::new()); + } + Ok(Box::new(InMemoryFileHandle { + fs: inner_ref, + path: path.to_path_buf(), + position: 0, + })) + } + + fn open_append(&self, path: &Path) -> io::Result> { + let inner_ref = self.inner.clone(); + let position = { + let mut inner = inner_ref.lock().unwrap(); + let entry = inner + .files + .entry(path.to_path_buf()) + .or_insert_with(Vec::new); + entry.len() as u64 + }; + Ok(Box::new(InMemoryFileHandle { + fs: inner_ref, + path: path.to_path_buf(), + position, + })) + } + + fn open_read(&self, path: &Path) -> io::Result> { + let inner_ref = self.inner.clone(); + { + let inner = inner_ref.lock().unwrap(); + if !inner.files.contains_key(path) { + return Err(io::Error::new( + io::ErrorKind::NotFound, + format!("file not found: {}", path.display()), + )); + } + } + Ok(Box::new(InMemoryFileHandle { + fs: inner_ref, + path: path.to_path_buf(), + position: 0, + })) + } + + fn remove_file(&self, path: &Path) -> io::Result<()> { + let mut inner = self.inner.lock().unwrap(); + if inner.files.remove(path).is_none() { + return Err(io::Error::new( + io::ErrorKind::NotFound, + format!("file not found: {}", path.display()), + )); + } + Ok(()) + } + + fn list_dir(&self, path: &Path) -> io::Result> { + let inner = self.inner.lock().unwrap(); + let mut entries = std::collections::BTreeSet::new(); + + // Find files that are direct children of this directory. + for file_path in inner.files.keys() { + if let Some(parent) = file_path.parent() { + if parent == path { + entries.insert(file_path.clone()); + } + } + } + + // Find subdirectories that are direct children of this directory. + for dir_path in &inner.dirs { + if let Some(parent) = dir_path.parent() { + if parent == path && dir_path != path { + entries.insert(dir_path.clone()); + } + } + } + + Ok(entries.into_iter().collect()) + } + + fn exists(&self, path: &Path) -> bool { + let inner = self.inner.lock().unwrap(); + inner.files.contains_key(path) || inner.dirs.contains(path) + } + + fn file_size(&self, path: &Path) -> io::Result { + let inner = self.inner.lock().unwrap(); + inner + .files + .get(path) + .map(|data| data.len() as u64) + .ok_or_else(|| { + io::Error::new( + io::ErrorKind::NotFound, + format!("file not found: {}", path.display()), + ) + }) + } +} + +struct InMemoryFileHandle { + fs: Arc>, + path: PathBuf, + position: u64, +} + +impl FileHandle for InMemoryFileHandle { + fn write_all(&mut self, buf: &[u8]) -> io::Result<()> { + let mut inner = self.fs.lock().unwrap(); + + if inner.faults.disk_full { + return Err(io::Error::new( + io::ErrorKind::Other, + "disk full (simulated)", + )); + } + + let data = inner + .files + .get_mut(&self.path) + .ok_or_else(|| io::Error::new(io::ErrorKind::NotFound, "file not found"))?; + + let pos = self.position as usize; + if pos + buf.len() > data.len() { + data.resize(pos + buf.len(), 0); + } + data[pos..pos + buf.len()].copy_from_slice(buf); + self.position += buf.len() as u64; + Ok(()) + } + + fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()> { + let inner = self.fs.lock().unwrap(); + let data = inner + .files + .get(&self.path) + .ok_or_else(|| io::Error::new(io::ErrorKind::NotFound, "file not found"))?; + + let pos = self.position as usize; + if pos + buf.len() > data.len() { + return Err(io::Error::new( + io::ErrorKind::UnexpectedEof, + "unexpected eof", + )); + } + buf.copy_from_slice(&data[pos..pos + buf.len()]); + self.position += buf.len() as u64; + Ok(()) + } + + fn read_to_end(&mut self, buf: &mut Vec) -> io::Result { + let inner = self.fs.lock().unwrap(); + let data = inner + .files + .get(&self.path) + .ok_or_else(|| io::Error::new(io::ErrorKind::NotFound, "file not found"))?; + + let pos = self.position as usize; + let remaining = &data[pos..]; + buf.extend_from_slice(remaining); + self.position += remaining.len() as u64; + Ok(remaining.len()) + } + + fn fsync(&mut self) -> io::Result<()> { + let mut inner = self.fs.lock().unwrap(); + if let Some(err) = inner.faults.fail_next_fsync.take() { + return Err(err); + } + Ok(()) + } + + fn position(&self) -> u64 { + self.position + } + + fn seek(&mut self, pos: u64) -> io::Result<()> { + let inner = self.fs.lock().unwrap(); + let data = inner + .files + .get(&self.path) + .ok_or_else(|| io::Error::new(io::ErrorKind::NotFound, "file not found"))?; + + if pos > data.len() as u64 { + return Err(io::Error::new( + io::ErrorKind::InvalidInput, + "seek past end of file", + )); + } + drop(inner); + self.position = pos; + Ok(()) + } +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn test_inmemory_write_read() { + let fs = InMemoryFileSystem::new(); + let path = Path::new("/tmp/test.dat"); + + { + let mut fh = fs.open_write(path).unwrap(); + fh.write_all(b"hello world").unwrap(); + fh.fsync().unwrap(); + } + + { + let mut fh = fs.open_read(path).unwrap(); + let mut buf = Vec::new(); + fh.read_to_end(&mut buf).unwrap(); + assert_eq!(buf, b"hello world"); + } + } + + #[test] + fn test_inmemory_read_exact() { + let fs = InMemoryFileSystem::new(); + let path = Path::new("/tmp/exact.dat"); + + { + let mut fh = fs.open_write(path).unwrap(); + fh.write_all(b"0123456789").unwrap(); + } + + { + let mut fh = fs.open_read(path).unwrap(); + let mut buf = [0u8; 5]; + fh.read_exact(&mut buf).unwrap(); + assert_eq!(&buf, b"01234"); + assert_eq!(fh.position(), 5); + + fh.read_exact(&mut buf).unwrap(); + assert_eq!(&buf, b"56789"); + assert_eq!(fh.position(), 10); + } + } + + #[test] + fn test_inmemory_read_exact_eof() { + let fs = InMemoryFileSystem::new(); + let path = Path::new("/tmp/short.dat"); + + { + let mut fh = fs.open_write(path).unwrap(); + fh.write_all(b"hi").unwrap(); + } + + { + let mut fh = fs.open_read(path).unwrap(); + let mut buf = [0u8; 10]; + let err = fh.read_exact(&mut buf).unwrap_err(); + assert_eq!(err.kind(), io::ErrorKind::UnexpectedEof); + } + } + + #[test] + fn test_inmemory_append() { + let fs = InMemoryFileSystem::new(); + let path = Path::new("/tmp/append.dat"); + + { + let mut fh = fs.open_write(path).unwrap(); + fh.write_all(b"first").unwrap(); + } + + { + let mut fh = fs.open_append(path).unwrap(); + assert_eq!(fh.position(), 5); + fh.write_all(b"second").unwrap(); + } + + assert_eq!(fs.read_file_bytes(path).unwrap(), b"firstsecond"); + } + + #[test] + fn test_inmemory_seek() { + let fs = InMemoryFileSystem::new(); + let path = Path::new("/tmp/seek.dat"); + + { + let mut fh = fs.open_write(path).unwrap(); + fh.write_all(b"abcdefghij").unwrap(); + } + + { + let mut fh = fs.open_read(path).unwrap(); + fh.seek(5).unwrap(); + assert_eq!(fh.position(), 5); + + let mut buf = [0u8; 5]; + fh.read_exact(&mut buf).unwrap(); + assert_eq!(&buf, b"fghij"); + } + } + + #[test] + fn test_inmemory_create_dir_and_list() { + let fs = InMemoryFileSystem::new(); + + fs.create_dir_all(Path::new("/data/topic/0")).unwrap(); + assert!(fs.exists(Path::new("/data/topic/0"))); + assert!(fs.exists(Path::new("/data/topic"))); + assert!(fs.exists(Path::new("/data"))); + + // Create files in the directory + { + let mut fh = fs.open_write(Path::new("/data/topic/0/seg1.wal")).unwrap(); + fh.write_all(b"data1").unwrap(); + } + { + let mut fh = fs.open_write(Path::new("/data/topic/0/seg2.wal")).unwrap(); + fh.write_all(b"data2").unwrap(); + } + + let entries = fs.list_dir(Path::new("/data/topic/0")).unwrap(); + assert_eq!(entries.len(), 2); + assert!(entries.contains(&PathBuf::from("/data/topic/0/seg1.wal"))); + assert!(entries.contains(&PathBuf::from("/data/topic/0/seg2.wal"))); + } + + #[test] + fn test_inmemory_remove_file() { + let fs = InMemoryFileSystem::new(); + let path = Path::new("/tmp/remove.dat"); + + fs.open_write(path).unwrap(); + assert!(fs.exists(path)); + + fs.remove_file(path).unwrap(); + assert!(!fs.exists(path)); + } + + #[test] + fn test_inmemory_remove_nonexistent() { + let fs = InMemoryFileSystem::new(); + let err = fs.remove_file(Path::new("/no/such/file")).unwrap_err(); + assert_eq!(err.kind(), io::ErrorKind::NotFound); + } + + #[test] + fn test_inmemory_open_read_nonexistent() { + let fs = InMemoryFileSystem::new(); + match fs.open_read(Path::new("/no/such/file")) { + Err(e) => assert_eq!(e.kind(), io::ErrorKind::NotFound), + Ok(_) => panic!("expected NotFound error"), + } + } + + #[test] + fn test_inmemory_file_size() { + let fs = InMemoryFileSystem::new(); + let path = Path::new("/tmp/size.dat"); + + { + let mut fh = fs.open_write(path).unwrap(); + fh.write_all(b"twelve chars").unwrap(); + } + + assert_eq!(fs.file_size(path).unwrap(), 12); + } + + // --- Fault injection tests --- + + #[test] + fn test_fault_fsync_failure() { + let fs = InMemoryFileSystem::new(); + let path = Path::new("/tmp/fsync.dat"); + + fs.fail_next_fsync(io::Error::new(io::ErrorKind::Other, "disk error")); + + let mut fh = fs.open_write(path).unwrap(); + fh.write_all(b"data").unwrap(); + + let err = fh.fsync().unwrap_err(); + assert_eq!(err.kind(), io::ErrorKind::Other); + + // Second fsync should succeed (fault was consumed) + fh.fsync().unwrap(); + } + + #[test] + fn test_fault_disk_full() { + let fs = InMemoryFileSystem::new(); + let path = Path::new("/tmp/full.dat"); + + let mut fh = fs.open_write(path).unwrap(); + fh.write_all(b"before").unwrap(); + + fs.simulate_disk_full(); + + let err = fh.write_all(b"after").unwrap_err(); + assert_eq!(err.kind(), io::ErrorKind::Other); + + // Clear fault, writes should work again + fs.clear_faults(); + fh.write_all(b"recovered").unwrap(); + } + + #[test] + fn test_fault_corrupt_bytes() { + let fs = InMemoryFileSystem::new(); + let path = Path::new("/tmp/corrupt.dat"); + + { + let mut fh = fs.open_write(path).unwrap(); + fh.write_all(&[0x00, 0x00, 0x00, 0x00]).unwrap(); + } + + fs.corrupt_bytes(path, 1, 2); + + let data = fs.read_file_bytes(path).unwrap(); + assert_eq!(data, vec![0x00, 0xFF, 0xFF, 0x00]); + } + + #[test] + fn test_inmemory_write_position_tracking() { + let fs = InMemoryFileSystem::new(); + let path = Path::new("/tmp/pos.dat"); + + let mut fh = fs.open_write(path).unwrap(); + assert_eq!(fh.position(), 0); + + fh.write_all(b"hello").unwrap(); + assert_eq!(fh.position(), 5); + + fh.write_all(b" world").unwrap(); + assert_eq!(fh.position(), 11); + } +} diff --git a/crates/sq-sim/src/lib.rs b/crates/sq-sim/src/lib.rs index e69de29..f60a021 100644 --- a/crates/sq-sim/src/lib.rs +++ b/crates/sq-sim/src/lib.rs @@ -0,0 +1,6 @@ +pub mod clock; +pub mod fs; +pub mod network; + +pub use clock::*; +pub use fs::*; diff --git a/crates/sq-sim/src/network.rs b/crates/sq-sim/src/network.rs new file mode 100644 index 0000000..1301106 --- /dev/null +++ b/crates/sq-sim/src/network.rs @@ -0,0 +1,316 @@ +use std::collections::{HashMap, HashSet, VecDeque}; +use std::sync::{Arc, Mutex}; + +/// Identifier for a node in the virtual network. +pub type NodeId = String; + +/// A pending message in the virtual network. +#[derive(Debug, Clone)] +struct PendingMessage { + from: NodeId, + to: NodeId, + data: Vec, +} + +/// Virtual network for simulation testing. +/// Supports partition, latency injection, and random packet drop. +pub struct VirtualNetwork { + /// Delivered message queues: node_id -> received messages. + inbox: Arc)>>>>, + /// Pending messages not yet delivered (used for latency simulation). + pending: Arc>>, + /// Partitioned links: (from, to) pairs that are blocked. + partitions: Arc>>, + /// Drop probability (0.0 to 1.0). + drop_probability: Arc>, +} + +impl VirtualNetwork { + pub fn new() -> Self { + Self { + inbox: Arc::new(Mutex::new(HashMap::new())), + pending: Arc::new(Mutex::new(VecDeque::new())), + partitions: Arc::new(Mutex::new(HashSet::new())), + drop_probability: Arc::new(Mutex::new(0.0)), + } + } + + /// Partition the network between two nodes (bidirectional). + pub fn partition(&self, a: &str, b: &str) { + let mut parts = self.partitions.lock().unwrap(); + parts.insert((a.to_string(), b.to_string())); + parts.insert((b.to_string(), a.to_string())); + } + + /// Heal the partition between two nodes (bidirectional). + pub fn heal(&self, a: &str, b: &str) { + let mut parts = self.partitions.lock().unwrap(); + parts.remove(&(a.to_string(), b.to_string())); + parts.remove(&(b.to_string(), a.to_string())); + } + + /// Heal all partitions. + pub fn heal_all(&self) { + self.partitions.lock().unwrap().clear(); + } + + /// Set the probability that a message will be dropped (0.0 = no drops, 1.0 = all dropped). + pub fn set_drop_probability(&self, prob: f64) { + *self.drop_probability.lock().unwrap() = prob.clamp(0.0, 1.0); + } + + /// Send a message from one node to another. + /// If the link is partitioned, the message is silently dropped. + pub fn send(&self, from: &str, to: &str, data: Vec) -> Result<(), NetworkError> { + // Check for partition. + { + let parts = self.partitions.lock().unwrap(); + if parts.contains(&(from.to_string(), to.to_string())) { + return Ok(()); // Silently dropped. + } + } + + // Check for random drop. + { + let prob = *self.drop_probability.lock().unwrap(); + if prob > 0.0 { + let random: f64 = simple_random(); + if random < prob { + return Ok(()); // Randomly dropped. + } + } + } + + // Queue the message for delivery. + let mut pending = self.pending.lock().unwrap(); + pending.push_back(PendingMessage { + from: from.to_string(), + to: to.to_string(), + data, + }); + + Ok(()) + } + + /// Deliver all pending messages to their inboxes. + /// Call this to simulate message delivery (allows controlling when messages arrive). + pub fn deliver_pending(&self) { + let messages: Vec = { + let mut pending = self.pending.lock().unwrap(); + pending.drain(..).collect() + }; + + let mut inbox = self.inbox.lock().unwrap(); + for msg in messages { + inbox + .entry(msg.to.clone()) + .or_default() + .push_back((msg.from, msg.data)); + } + } + + /// Receive a message for a given node. Returns None if no messages are available. + pub fn recv(&self, node: &str) -> Option<(NodeId, Vec)> { + let mut inbox = self.inbox.lock().unwrap(); + inbox.get_mut(node).and_then(|q| q.pop_front()) + } + + /// Get the number of pending (undelivered) messages. + pub fn pending_count(&self) -> usize { + self.pending.lock().unwrap().len() + } + + /// Get the number of messages in a node's inbox. + pub fn inbox_count(&self, node: &str) -> usize { + self.inbox + .lock() + .unwrap() + .get(node) + .map(|q| q.len()) + .unwrap_or(0) + } +} + +impl Default for VirtualNetwork { + fn default() -> Self { + Self::new() + } +} + +/// Simple deterministic pseudo-random based on thread-local state. +fn simple_random() -> f64 { + use std::cell::Cell; + thread_local! { + static STATE: Cell = const { Cell::new(12345) }; + } + STATE.with(|s| { + let mut state = s.get(); + state ^= state << 13; + state ^= state >> 7; + state ^= state << 17; + s.set(state); + (state % 10000) as f64 / 10000.0 + }) +} + +#[derive(Debug, thiserror::Error)] +pub enum NetworkError { + #[error("node '{0}' not reachable")] + Unreachable(String), +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn test_send_and_receive() { + let net = VirtualNetwork::new(); + + net.send("node-1", "node-2", b"hello".to_vec()).unwrap(); + net.deliver_pending(); + + let (from, data) = net.recv("node-2").unwrap(); + assert_eq!(from, "node-1"); + assert_eq!(data, b"hello"); + } + + #[test] + fn test_no_messages_returns_none() { + let net = VirtualNetwork::new(); + assert!(net.recv("node-1").is_none()); + } + + #[test] + fn test_partition_drops_messages() { + let net = VirtualNetwork::new(); + + net.partition("node-1", "node-2"); + + net.send("node-1", "node-2", b"hello".to_vec()).unwrap(); + net.deliver_pending(); + + assert!(net.recv("node-2").is_none()); + } + + #[test] + fn test_partition_is_bidirectional() { + let net = VirtualNetwork::new(); + + net.partition("node-1", "node-2"); + + net.send("node-1", "node-2", b"a->b".to_vec()).unwrap(); + net.send("node-2", "node-1", b"b->a".to_vec()).unwrap(); + net.deliver_pending(); + + assert!(net.recv("node-2").is_none()); + assert!(net.recv("node-1").is_none()); + } + + #[test] + fn test_heal_restores_communication() { + let net = VirtualNetwork::new(); + + net.partition("node-1", "node-2"); + net.send("node-1", "node-2", b"before".to_vec()).unwrap(); + net.deliver_pending(); + assert!(net.recv("node-2").is_none()); + + net.heal("node-1", "node-2"); + net.send("node-1", "node-2", b"after".to_vec()).unwrap(); + net.deliver_pending(); + + let (_, data) = net.recv("node-2").unwrap(); + assert_eq!(data, b"after"); + } + + #[test] + fn test_heal_all() { + let net = VirtualNetwork::new(); + + net.partition("a", "b"); + net.partition("a", "c"); + net.heal_all(); + + net.send("a", "b", b"msg".to_vec()).unwrap(); + net.send("a", "c", b"msg".to_vec()).unwrap(); + net.deliver_pending(); + + assert!(net.recv("b").is_some()); + assert!(net.recv("c").is_some()); + } + + #[test] + fn test_multiple_messages_ordered() { + let net = VirtualNetwork::new(); + + for i in 0..5 { + net.send("a", "b", format!("msg-{i}").into_bytes()) + .unwrap(); + } + net.deliver_pending(); + + for i in 0..5 { + let (_, data) = net.recv("b").unwrap(); + assert_eq!(data, format!("msg-{i}").as_bytes()); + } + assert!(net.recv("b").is_none()); + } + + #[test] + fn test_pending_and_inbox_counts() { + let net = VirtualNetwork::new(); + + net.send("a", "b", b"1".to_vec()).unwrap(); + net.send("a", "b", b"2".to_vec()).unwrap(); + + assert_eq!(net.pending_count(), 2); + assert_eq!(net.inbox_count("b"), 0); + + net.deliver_pending(); + + assert_eq!(net.pending_count(), 0); + assert_eq!(net.inbox_count("b"), 2); + } + + #[test] + fn test_partition_does_not_affect_other_links() { + let net = VirtualNetwork::new(); + + net.partition("a", "b"); + + // a -> c should still work. + net.send("a", "c", b"hello".to_vec()).unwrap(); + net.deliver_pending(); + + assert!(net.recv("c").is_some()); + } + + #[test] + fn test_drop_probability_all() { + let net = VirtualNetwork::new(); + net.set_drop_probability(1.0); + + for _ in 0..10 { + net.send("a", "b", b"msg".to_vec()).unwrap(); + } + net.deliver_pending(); + + // All messages should be dropped. + assert_eq!(net.inbox_count("b"), 0); + } + + #[test] + fn test_drop_probability_none() { + let net = VirtualNetwork::new(); + net.set_drop_probability(0.0); + + for _ in 0..10 { + net.send("a", "b", b"msg".to_vec()).unwrap(); + } + net.deliver_pending(); + + // No messages should be dropped. + assert_eq!(net.inbox_count("b"), 10); + } +} diff --git a/crates/sq-sim/tests/scenarios/mod.rs b/crates/sq-sim/tests/scenarios/mod.rs new file mode 100644 index 0000000..a8347f4 --- /dev/null +++ b/crates/sq-sim/tests/scenarios/mod.rs @@ -0,0 +1 @@ +pub mod single_node; diff --git a/crates/sq-sim/tests/scenarios/single_node.rs b/crates/sq-sim/tests/scenarios/single_node.rs new file mode 100644 index 0000000..0076c27 --- /dev/null +++ b/crates/sq-sim/tests/scenarios/single_node.rs @@ -0,0 +1,268 @@ +use std::path::PathBuf; +use std::sync::Arc; + +use sq_models::WalConfig; +use sq_sim::fs::InMemoryFileSystem; +use sq_sim::SimClock; +use sq_storage::engine::StorageEngine; + +fn test_engine() -> ( + StorageEngine, + Arc, + Arc, +) { + let fs = Arc::new(InMemoryFileSystem::new()); + let clock = Arc::new(SimClock::new()); + let config = WalConfig { + max_segment_bytes: 1024 * 1024, + max_segment_age_secs: 3600, + data_dir: PathBuf::from("/data"), + ..Default::default() + }; + let engine = StorageEngine::new(fs.clone(), clock.clone(), config).unwrap(); + (engine, fs, clock) +} + +/// S01: Single node, single producer, single consumer - baseline correctness +#[test] +fn s01_single_producer_consumer() { + let (engine, _fs, _clock) = test_engine(); + + // Produce 1000 messages. + for i in 0..1000u64 { + let offset = engine + .append("orders", 0, Some(format!("key-{i}").as_bytes()), format!("value-{i}").as_bytes(), &[], i) + .unwrap(); + assert_eq!(offset, i, "offset must match sequence"); + } + + // Consume all messages. + let messages = engine.read("orders", 0, 0, 2000).unwrap(); + + // Invariant 1: No message loss. + assert_eq!(messages.len(), 1000); + + // Invariant 2: Offsets strictly monotonic, no gaps. + for (i, msg) in messages.iter().enumerate() { + assert_eq!(msg.offset, i as u64, "offset gap detected at index {i}"); + } + + // Invariant: Content integrity. + for msg in &messages { + let expected_key = format!("key-{}", msg.offset); + let expected_value = format!("value-{}", msg.offset); + assert_eq!(msg.key.as_ref().unwrap(), expected_key.as_bytes()); + assert_eq!(msg.value, expected_value.as_bytes()); + } +} + +/// S02: Single node, concurrent producers to different topics - offset ordering +#[test] +fn s02_multi_topic_producers() { + let (engine, _fs, _clock) = test_engine(); + + let topics = ["events", "orders", "logs"]; + + // Write 100 messages to each topic. + for topic in &topics { + for i in 0..100u64 { + let offset = engine.append(topic, 0, None, b"data", &[], i).unwrap(); + assert_eq!(offset, i); + } + } + + // Verify each topic has its own offset space. + for topic in &topics { + let messages = engine.read(topic, 0, 0, 200).unwrap(); + assert_eq!(messages.len(), 100, "topic {topic} should have 100 messages"); + + // Offsets are monotonic per topic. + for (i, msg) in messages.iter().enumerate() { + assert_eq!(msg.offset, i as u64); + } + } + + // Cross-topic isolation: reading one topic doesn't return messages from another. + let events = engine.read("events", 0, 0, 200).unwrap(); + for msg in &events { + assert_eq!(msg.topic.as_str(), "events"); + } +} + +/// S03: Single node, disk full during write - graceful error handling +#[test] +fn s03_disk_full() { + let fs = Arc::new(InMemoryFileSystem::new()); + let clock = Arc::new(SimClock::new()); + let config = WalConfig { + max_segment_bytes: 1024 * 1024, + max_segment_age_secs: 3600, + data_dir: PathBuf::from("/data"), + ..Default::default() + }; + let engine = StorageEngine::new(fs.clone(), clock, config).unwrap(); + + // Write some messages successfully. + for i in 0..10 { + engine.append("t", 0, None, b"data", &[], i).unwrap(); + } + + // Simulate disk full. + fs.simulate_disk_full(); + + // Next write should fail. + let result = engine.append("t", 0, None, b"data", &[], 0); + assert!(result.is_err(), "write should fail when disk is full"); + + // Clear fault - subsequent writes should work. + fs.clear_faults(); + let _offset = engine.append("t", 0, None, b"after-recovery", &[], 0).unwrap(); + + // Verify earlier messages are still readable. + let messages = engine.read("t", 0, 0, 100).unwrap(); + assert!(messages.len() >= 10, "original messages should survive disk full"); +} + +/// S04: Single node, crash and restart - WAL recovery +#[test] +fn s04_crash_recovery() { + let fs = Arc::new(InMemoryFileSystem::new()); + let clock = Arc::new(SimClock::new()); + let config = WalConfig { + max_segment_bytes: 1024 * 1024, + max_segment_age_secs: 3600, + data_dir: PathBuf::from("/data"), + ..Default::default() + }; + + // Phase 1: Write messages and "crash" (drop engine). + { + let engine = StorageEngine::new(fs.clone(), clock.clone(), config.clone()).unwrap(); + for i in 0..500u64 { + engine + .append("orders", 0, None, format!("msg-{i}").as_bytes(), &[], i) + .unwrap(); + } + // Engine dropped here - simulates crash. + } + + // Phase 2: "Restart" - create new engine and recover. + { + let engine = StorageEngine::new(fs.clone(), clock.clone(), config.clone()).unwrap(); + engine.recover().unwrap(); + + // Invariant 1: All acked messages survive recovery. + let messages = engine.read("orders", 0, 0, 1000).unwrap(); + assert_eq!(messages.len(), 500, "all messages must survive crash"); + + // Invariant 2: Offsets are intact. + for (i, msg) in messages.iter().enumerate() { + assert_eq!(msg.offset, i as u64); + assert_eq!(msg.value, format!("msg-{i}").as_bytes()); + } + + // Can continue writing after recovery. + let offset = engine.append("orders", 0, None, b"post-crash", &[], 0).unwrap(); + assert_eq!(offset, 500); + } +} + +/// S09: Consumer group offset preservation across restarts +#[test] +fn s09_consumer_group_offset_persistence() { + let fs = Arc::new(InMemoryFileSystem::new()); + let clock = Arc::new(SimClock::new()); + let config = WalConfig { + max_segment_bytes: 1024 * 1024, + max_segment_age_secs: 3600, + data_dir: PathBuf::from("/data"), + ..Default::default() + }; + + // Write messages and commit an offset. + { + let engine = StorageEngine::new(fs.clone(), clock.clone(), config.clone()).unwrap(); + for i in 0..100 { + engine.append("t", 0, None, b"data", &[], i).unwrap(); + } + engine.commit_offset("group-1", "t", 0, 50).unwrap(); + } + + // Restart and verify committed offset survives. + { + let engine = StorageEngine::new(fs.clone(), clock.clone(), config.clone()).unwrap(); + engine.recover().unwrap(); + + // Invariant 4: Consumer group offsets never regress. + let committed = engine.get_committed_offset("group-1", "t", 0); + assert_eq!(committed, Some(50)); + + // Can resume consuming from committed offset. + let messages = engine.read("t", 0, 51, 100).unwrap(); + assert_eq!(messages.len(), 49); // offsets 51-99 + } +} + +/// S10: High throughput burst - no message loss +#[test] +fn s10_high_throughput() { + let (engine, _fs, _clock) = test_engine(); + + let msg_count = 10_000u64; + + // Burst write. + for i in 0..msg_count { + engine + .append("burst", 0, None, format!("msg-{i}").as_bytes(), &[], i) + .unwrap(); + } + + // Verify no loss. + let messages = engine.read("burst", 0, 0, (msg_count + 1) as usize).unwrap(); + assert_eq!(messages.len(), msg_count as usize); + + // Verify ordering. + for (i, msg) in messages.iter().enumerate() { + assert_eq!(msg.offset, i as u64); + } +} + +/// S06: Segment rotation and recovery - multiple segments survive crash +#[test] +fn s06_segment_rotation_recovery() { + let fs = Arc::new(InMemoryFileSystem::new()); + let clock = Arc::new(SimClock::new()); + let config = WalConfig { + max_segment_bytes: 512, // Very small segments to force rotation. + max_segment_age_secs: 3600, + data_dir: PathBuf::from("/data"), + ..Default::default() + }; + + // Write enough messages to cause multiple segment rotations. + { + let engine = StorageEngine::new(fs.clone(), clock.clone(), config.clone()).unwrap(); + for i in 0..200u64 { + engine + .append("t", 0, None, format!("msg-{i}").as_bytes(), &[], i) + .unwrap(); + } + } + + // Recover. + { + let engine = StorageEngine::new(fs.clone(), clock.clone(), config.clone()).unwrap(); + engine.recover().unwrap(); + + let messages = engine.read("t", 0, 0, 300).unwrap(); + assert_eq!(messages.len(), 200, "all messages across segments must survive"); + + for (i, msg) in messages.iter().enumerate() { + assert_eq!(msg.offset, i as u64); + } + + // Continue writing. + let offset = engine.append("t", 0, None, b"new", &[], 0).unwrap(); + assert_eq!(offset, 200); + } +} diff --git a/crates/sq-sim/tests/simulation.rs b/crates/sq-sim/tests/simulation.rs new file mode 100644 index 0000000..a441cda --- /dev/null +++ b/crates/sq-sim/tests/simulation.rs @@ -0,0 +1 @@ +mod scenarios; diff --git a/crates/sq-storage/Cargo.toml b/crates/sq-storage/Cargo.toml index 6780171..57d4816 100644 --- a/crates/sq-storage/Cargo.toml +++ b/crates/sq-storage/Cargo.toml @@ -8,10 +8,20 @@ sq-models = { workspace = true } sq-sim = { workspace = true } anyhow = { workspace = true } +thiserror = { workspace = true } tokio = { workspace = true } tracing = { workspace = true } crc32fast = { workspace = true } bytes = { workspace = true } +futures = { workspace = true } +serde = { workspace = true } +serde_json = { workspace = true } +zstd = { workspace = true } +object_store = { workspace = true } [dev-dependencies] tokio = { workspace = true, features = ["full", "test-util"] } + +[[bench]] +name = "throughput" +harness = false diff --git a/crates/sq-storage/benches/throughput.rs b/crates/sq-storage/benches/throughput.rs new file mode 100644 index 0000000..aa186eb --- /dev/null +++ b/crates/sq-storage/benches/throughput.rs @@ -0,0 +1,167 @@ +use std::path::PathBuf; +use std::sync::Arc; +use std::time::Instant; + +use sq_models::WalConfig; +use sq_sim::SimClock; +use sq_sim::fs::InMemoryFileSystem; +use sq_storage::engine::StorageEngine; + +fn bench_write_throughput(payload_size: usize, msg_count: u64) { + let fs = Arc::new(InMemoryFileSystem::new()); + let clock = Arc::new(SimClock::new()); + let config = WalConfig { + max_segment_bytes: 256 * 1024 * 1024, // 256MB to avoid rotation overhead + max_segment_age_secs: 3600, + data_dir: PathBuf::from("/data"), + ..Default::default() + }; + let engine = StorageEngine::new(fs, clock, config).unwrap(); + + let payload = vec![b'x'; payload_size]; + + let start = Instant::now(); + for i in 0..msg_count { + engine.append("bench", 0, None, &payload, &[], i).unwrap(); + } + let elapsed = start.elapsed(); + + let msgs_per_sec = msg_count as f64 / elapsed.as_secs_f64(); + let mb_per_sec = (msg_count as f64 * payload_size as f64) / elapsed.as_secs_f64() / 1_048_576.0; + + println!( + " write {msg_count} x {payload_size}B: {:.0} msg/s, {:.1} MB/s ({:.2?})", + msgs_per_sec, mb_per_sec, elapsed + ); +} + +fn bench_read_throughput(payload_size: usize, msg_count: u64) { + let fs = Arc::new(InMemoryFileSystem::new()); + let clock = Arc::new(SimClock::new()); + let config = WalConfig { + max_segment_bytes: 256 * 1024 * 1024, + max_segment_age_secs: 3600, + data_dir: PathBuf::from("/data"), + ..Default::default() + }; + let engine = StorageEngine::new(fs, clock, config).unwrap(); + + let payload = vec![b'x'; payload_size]; + for i in 0..msg_count { + engine.append("bench", 0, None, &payload, &[], i).unwrap(); + } + + let start = Instant::now(); + let messages = engine.read("bench", 0, 0, msg_count as usize + 1).unwrap(); + let elapsed = start.elapsed(); + + assert_eq!(messages.len(), msg_count as usize); + + let msgs_per_sec = msg_count as f64 / elapsed.as_secs_f64(); + let mb_per_sec = (msg_count as f64 * payload_size as f64) / elapsed.as_secs_f64() / 1_048_576.0; + + println!( + " read {msg_count} x {payload_size}B: {:.0} msg/s, {:.1} MB/s ({:.2?})", + msgs_per_sec, mb_per_sec, elapsed + ); +} + +fn bench_compression_ratio(payload_size: usize, msg_count: usize) { + // Build a WAL segment worth of data. + let mut raw_data = Vec::new(); + for i in 0..msg_count { + let payload = format!("message-{i}-{}", "x".repeat(payload_size)); + raw_data.extend_from_slice(payload.as_bytes()); + } + + let compressed = zstd::encode_all(raw_data.as_slice(), 3).unwrap(); + let ratio = raw_data.len() as f64 / compressed.len() as f64; + + println!( + " compress {msg_count} x ~{payload_size}B: {} -> {} ({:.2}x ratio)", + format_bytes(raw_data.len()), + format_bytes(compressed.len()), + ratio + ); + + // Verify roundtrip. + let decompressed = zstd::decode_all(compressed.as_slice()).unwrap(); + assert_eq!(decompressed.len(), raw_data.len()); +} + +fn bench_recovery(msg_count: u64) { + let fs = Arc::new(InMemoryFileSystem::new()); + let clock = Arc::new(SimClock::new()); + let config = WalConfig { + max_segment_bytes: 64 * 1024, // Small segments to test multi-segment recovery + max_segment_age_secs: 3600, + data_dir: PathBuf::from("/data"), + ..Default::default() + }; + + // Write messages. + { + let engine = StorageEngine::new(fs.clone(), clock.clone(), config.clone()).unwrap(); + for i in 0..msg_count { + engine + .append("bench", 0, None, format!("msg-{i}").as_bytes(), &[], i) + .unwrap(); + } + } + + // Recover and measure. + let start = Instant::now(); + let engine = StorageEngine::new(fs, clock, config).unwrap(); + engine.recover().unwrap(); + let elapsed = start.elapsed(); + + let msgs_per_sec = msg_count as f64 / elapsed.as_secs_f64(); + + println!( + " recover {msg_count} msgs: {:.0} msg/s ({:.2?})", + msgs_per_sec, elapsed + ); + + // Verify correctness. + let messages = engine.read("bench", 0, 0, msg_count as usize + 1).unwrap(); + assert_eq!(messages.len(), msg_count as usize); +} + +fn format_bytes(bytes: usize) -> String { + if bytes >= 1_048_576 { + format!("{:.1}MB", bytes as f64 / 1_048_576.0) + } else if bytes >= 1024 { + format!("{:.1}KB", bytes as f64 / 1024.0) + } else { + format!("{bytes}B") + } +} + +fn main() { + println!("=== SQ Storage Engine Benchmarks ===\n"); + + println!("Write throughput:"); + bench_write_throughput(64, 100_000); + bench_write_throughput(256, 100_000); + bench_write_throughput(1024, 50_000); + bench_write_throughput(4096, 10_000); + + println!("\nRead throughput:"); + bench_read_throughput(64, 100_000); + bench_read_throughput(256, 100_000); + bench_read_throughput(1024, 50_000); + bench_read_throughput(4096, 10_000); + + println!("\nCompression ratio:"); + bench_compression_ratio(64, 10_000); + bench_compression_ratio(256, 10_000); + bench_compression_ratio(1024, 5_000); + bench_compression_ratio(4096, 1_000); + + println!("\nRecovery performance:"); + bench_recovery(1_000); + bench_recovery(10_000); + bench_recovery(50_000); + + println!("\n=== Done ==="); +} diff --git a/crates/sq-storage/src/consumer_offsets.rs b/crates/sq-storage/src/consumer_offsets.rs new file mode 100644 index 0000000..8b3a37c --- /dev/null +++ b/crates/sq-storage/src/consumer_offsets.rs @@ -0,0 +1,193 @@ +use std::collections::HashMap; +use std::path::{Path, PathBuf}; +use std::sync::Arc; + +use sq_sim::fs::FileSystem; + +/// Key for consumer offset tracking: (consumer_group, topic, partition). +type OffsetKey = (String, String, u32); + +/// Stores committed consumer group offsets. +/// Offsets are kept in memory and periodically persisted to a file. +pub struct ConsumerOffsets { + offsets: HashMap, + persist_path: PathBuf, + fs: Arc, +} + +impl ConsumerOffsets { + pub fn new(fs: Arc, data_dir: &Path) -> Self { + let persist_path = data_dir.join("consumer_offsets.json"); + Self { + offsets: HashMap::new(), + persist_path, + fs, + } + } + + /// Commit an offset for a consumer group on a topic-partition. + pub fn commit( + &mut self, + group: &str, + topic: &str, + partition: u32, + offset: u64, + ) -> anyhow::Result<()> { + let key = (group.to_string(), topic.to_string(), partition); + self.offsets.insert(key, offset); + self.persist()?; + Ok(()) + } + + /// Get the committed offset for a consumer group on a topic-partition. + pub fn get_committed(&self, group: &str, topic: &str, partition: u32) -> Option { + let key = (group.to_string(), topic.to_string(), partition); + self.offsets.get(&key).copied() + } + + /// Persist offsets to disk as JSON. + fn persist(&self) -> anyhow::Result<()> { + // Serialize as a simple JSON array of entries. + let entries: Vec = self + .offsets + .iter() + .map(|((group, topic, partition), offset)| OffsetEntry { + group: group.clone(), + topic: topic.clone(), + partition: *partition, + offset: *offset, + }) + .collect(); + + let json = serde_json::to_vec(&entries)?; + + // Ensure parent directory exists. + if let Some(parent) = self.persist_path.parent() { + self.fs.create_dir_all(parent)?; + } + + let mut handle = self.fs.open_write(&self.persist_path)?; + handle.write_all(&json)?; + handle.fsync()?; + + Ok(()) + } + + /// Load offsets from disk. + pub fn load(fs: Arc, data_dir: &Path) -> anyhow::Result { + let persist_path = data_dir.join("consumer_offsets.json"); + + if !fs.exists(&persist_path) { + return Ok(Self { + offsets: HashMap::new(), + persist_path, + fs, + }); + } + + let mut handle = fs.open_read(&persist_path)?; + let mut buf = Vec::new(); + handle.read_to_end(&mut buf)?; + + let entries: Vec = serde_json::from_slice(&buf)?; + + let mut offsets = HashMap::new(); + for entry in entries { + offsets.insert( + (entry.group, entry.topic, entry.partition), + entry.offset, + ); + } + + Ok(Self { + offsets, + persist_path, + fs, + }) + } +} + +#[derive(serde::Serialize, serde::Deserialize)] +struct OffsetEntry { + group: String, + topic: String, + partition: u32, + offset: u64, +} + +#[cfg(test)] +mod tests { + use super::*; + use sq_sim::fs::InMemoryFileSystem; + + fn test_offsets() -> ConsumerOffsets { + let fs = Arc::new(InMemoryFileSystem::new()); + ConsumerOffsets::new(fs, Path::new("/data")) + } + + #[test] + fn test_commit_and_get() { + let mut offsets = test_offsets(); + offsets.commit("group-1", "orders", 0, 42).unwrap(); + + assert_eq!(offsets.get_committed("group-1", "orders", 0), Some(42)); + assert_eq!(offsets.get_committed("group-1", "orders", 1), None); + assert_eq!(offsets.get_committed("group-2", "orders", 0), None); + } + + #[test] + fn test_commit_overwrites() { + let mut offsets = test_offsets(); + offsets.commit("g", "t", 0, 10).unwrap(); + offsets.commit("g", "t", 0, 20).unwrap(); + + assert_eq!(offsets.get_committed("g", "t", 0), Some(20)); + } + + #[test] + fn test_multiple_groups() { + let mut offsets = test_offsets(); + offsets.commit("g1", "t", 0, 100).unwrap(); + offsets.commit("g2", "t", 0, 200).unwrap(); + + assert_eq!(offsets.get_committed("g1", "t", 0), Some(100)); + assert_eq!(offsets.get_committed("g2", "t", 0), Some(200)); + } + + #[test] + fn test_persist_and_load() { + let fs = Arc::new(InMemoryFileSystem::new()); + + { + let mut offsets = ConsumerOffsets::new(fs.clone(), Path::new("/data")); + offsets.commit("g1", "orders", 0, 42).unwrap(); + offsets.commit("g1", "events", 0, 100).unwrap(); + offsets.commit("g2", "orders", 1, 55).unwrap(); + } + + let loaded = ConsumerOffsets::load(fs, Path::new("/data")).unwrap(); + assert_eq!(loaded.get_committed("g1", "orders", 0), Some(42)); + assert_eq!(loaded.get_committed("g1", "events", 0), Some(100)); + assert_eq!(loaded.get_committed("g2", "orders", 1), Some(55)); + assert_eq!(loaded.get_committed("g2", "orders", 0), None); + } + + #[test] + fn test_load_nonexistent_file() { + let fs = Arc::new(InMemoryFileSystem::new()); + let offsets = ConsumerOffsets::load(fs, Path::new("/data")).unwrap(); + assert_eq!(offsets.get_committed("g", "t", 0), None); + } + + #[test] + fn test_multiple_topics_and_partitions() { + let mut offsets = test_offsets(); + offsets.commit("g", "t1", 0, 10).unwrap(); + offsets.commit("g", "t1", 1, 20).unwrap(); + offsets.commit("g", "t2", 0, 30).unwrap(); + + assert_eq!(offsets.get_committed("g", "t1", 0), Some(10)); + assert_eq!(offsets.get_committed("g", "t1", 1), Some(20)); + assert_eq!(offsets.get_committed("g", "t2", 0), Some(30)); + } +} diff --git a/crates/sq-storage/src/engine.rs b/crates/sq-storage/src/engine.rs new file mode 100644 index 0000000..e8feeb6 --- /dev/null +++ b/crates/sq-storage/src/engine.rs @@ -0,0 +1,634 @@ +use std::collections::HashMap; +use std::path::PathBuf; +use std::sync::{Arc, Mutex, RwLock}; + +use sq_models::{ClosedSegment, Header, Message, TopicConfig, TopicName, WalConfig}; +use sq_sim::fs::FileSystem; +use sq_sim::Clock; + +use crate::consumer_offsets::ConsumerOffsets; +use crate::index::OffsetIndex; +use crate::topic_metadata::TopicMetadata; +use crate::wal::reader::WalReader; +use crate::wal::writer::{segment_dir, segment_path, WalWriter}; + +/// Unified storage engine wrapping WAL writers, readers, and offset index. +/// All methods take `&self` — concurrency is handled by fine-grained internal locks. +/// Different (topic, partition) writers can operate in parallel. +pub struct StorageEngine { + fs: Arc, + clock: Arc, + config: WalConfig, + /// One writer per (topic, partition), each independently locked. + writers: RwLock>>>>, + /// Offset index for fast seeks. + index: Mutex, + /// Reader instance (stateless, no lock needed). + reader: WalReader, + /// Consumer group offset tracking. + consumer_offsets: Mutex>, + /// Topic metadata registry. + topic_metadata: Mutex>, +} + +impl StorageEngine { + pub fn new(fs: Arc, clock: Arc, config: WalConfig) -> anyhow::Result { + fs.create_dir_all(&config.data_dir)?; + + let consumer_offsets = ConsumerOffsets::load(fs.clone(), &config.data_dir)?; + let topic_metadata = TopicMetadata::load(fs.clone(), &config.data_dir)?; + + Ok(Self { + reader: WalReader::new(fs.clone()), + consumer_offsets: Mutex::new(consumer_offsets), + topic_metadata: Mutex::new(topic_metadata), + fs, + clock, + config, + writers: RwLock::new(HashMap::new()), + index: Mutex::new(OffsetIndex::new(1000)), + }) + } + + /// Append a message to the given topic-partition. Returns the assigned offset. + pub fn append( + &self, + topic: &str, + partition: u32, + key: Option<&[u8]>, + value: &[u8], + headers: &[Header], + timestamp_ms: u64, + ) -> anyhow::Result { + let writer_arc = self.get_or_create_writer(topic, partition)?; + let mut writer = writer_arc.lock().unwrap(); + + let old_next = writer.next_offset(); + let offset = writer.append(key, value, headers, timestamp_ms)?; + + // Register the current segment in the index (for the first write). + if offset == old_next && offset == 0 + || (offset > 0 && { + let index = self.index.lock().unwrap(); + index.segment_for_offset(topic, partition, offset).is_none() + }) + { + let seg = + segment_path(&self.config.data_dir, &TopicName::from(topic), partition, offset); + let mut index = self.index.lock().unwrap(); + index.register_segment(topic, partition, seg, offset, offset); + } + + Ok(offset) + } + + /// Append a batch of messages to a single topic-partition with one fsync. + /// Returns the assigned offsets. + pub fn append_batch( + &self, + topic: &str, + partition: u32, + messages: &[(Option<&[u8]>, &[u8], &[Header], u64)], + ) -> anyhow::Result> { + if messages.is_empty() { + return Ok(vec![]); + } + + let writer_arc = self.get_or_create_writer(topic, partition)?; + let mut writer = writer_arc.lock().unwrap(); + + let first_offset = writer.next_offset(); + let offsets = writer.append_batch(messages)?; + + // Register segment in index if this is a new segment. + { + let mut index = self.index.lock().unwrap(); + if index + .segment_for_offset(topic, partition, first_offset) + .is_none() + { + let seg = segment_path( + &self.config.data_dir, + &TopicName::from(topic), + partition, + first_offset, + ); + index.register_segment(topic, partition, seg, first_offset, first_offset); + } + } + + Ok(offsets) + } + + /// Force fsync on all active writer segment files. + pub fn fsync_all_writers(&self) -> anyhow::Result<()> { + let writers = self.writers.read().unwrap(); + for writer_arc in writers.values() { + let mut writer = writer_arc.lock().unwrap(); + writer.fsync()?; + } + Ok(()) + } + + /// Read messages from a topic-partition starting at `from_offset`. + /// Returns up to `limit` messages. Lock-free — reads directly from disk. + pub fn read( + &self, + topic: &str, + partition: u32, + from_offset: u64, + limit: usize, + ) -> anyhow::Result> { + let topic_name = TopicName::from(topic); + let seg_dir = segment_dir(&self.config.data_dir, &topic_name, partition); + + if !self.fs.exists(&seg_dir) { + return Ok(vec![]); + } + + // List all segment files and sort them. + let mut segment_files: Vec = self + .fs + .list_dir(&seg_dir)? + .into_iter() + .filter(|p| p.extension().map(|e| e == "wal").unwrap_or(false)) + .collect(); + segment_files.sort(); + + let mut result = Vec::new(); + + for seg_path in &segment_files { + if result.len() >= limit { + break; + } + + let messages = self.reader.read_from_offset(seg_path, from_offset)?; + + for msg in messages { + if result.len() >= limit { + break; + } + result.push(msg); + } + } + + Ok(result) + } + + /// Get the latest offset for a topic-partition (the next offset to be assigned). + pub fn latest_offset(&self, topic: &str, partition: u32) -> u64 { + let key = (topic.to_string(), partition); + let writers = self.writers.read().unwrap(); + writers + .get(&key) + .map(|w| w.lock().unwrap().next_offset()) + .unwrap_or(0) + } + + /// Recover state from existing WAL files on disk. + /// Scans all segment files, rebuilds the index, and sets writers to the correct offset. + /// Must be called at startup before any concurrent access. + pub fn recover(&self) -> anyhow::Result<()> { + if !self.fs.exists(&self.config.data_dir) { + return Ok(()); + } + + // Scan for topic directories (skip files like consumer_offsets.json). + let topic_dirs: Vec = self + .fs + .list_dir(&self.config.data_dir)? + .into_iter() + .filter(|p| { + // Skip entries that have a file extension (they are metadata files, not topic dirs). + p.extension().is_none() + }) + .collect(); + + let mut writers = self.writers.write().unwrap(); + let mut index = self.index.lock().unwrap(); + + for topic_dir in &topic_dirs { + let topic = topic_dir + .file_name() + .and_then(|n| n.to_str()) + .unwrap_or("") + .to_string(); + + if topic.is_empty() { + continue; + } + + // Scan for partition directories (skip any non-directory entries). + let partition_dirs: Vec = match self.fs.list_dir(topic_dir) { + Ok(entries) => entries, + Err(_) => continue, // Skip if not a directory. + }; + + for part_dir in &partition_dirs { + let partition: u32 = part_dir + .file_name() + .and_then(|n| n.to_str()) + .and_then(|s| s.parse().ok()) + .unwrap_or(0); + + // Scan segment files. + let mut seg_files: Vec = self + .fs + .list_dir(part_dir)? + .into_iter() + .filter(|p| p.extension().map(|e| e == "wal").unwrap_or(false)) + .collect(); + seg_files.sort(); + + let mut max_offset = 0u64; + + for seg_path in &seg_files { + let messages = self.reader.read_segment(seg_path)?; + if let (Some(first), Some(last)) = (messages.first(), messages.last()) { + index.register_segment( + &topic, + partition, + seg_path.clone(), + first.offset, + last.offset, + ); + max_offset = max_offset.max(last.offset + 1); + } + } + + // Create a writer at the recovered offset. + if max_offset > 0 { + let writer = WalWriter::new( + self.fs.clone(), + self.clock.clone(), + self.config.clone(), + TopicName::from(topic.as_str()), + partition, + )? + .with_next_offset(max_offset); + + writers.insert((topic.clone(), partition), Arc::new(Mutex::new(writer))); + } + } + } + + Ok(()) + } + + /// Commit a consumer group offset. + pub fn commit_offset( + &self, + group: &str, + topic: &str, + partition: u32, + offset: u64, + ) -> anyhow::Result<()> { + let mut offsets = self.consumer_offsets.lock().unwrap(); + offsets.commit(group, topic, partition, offset) + } + + /// Get the committed offset for a consumer group. + pub fn get_committed_offset( + &self, + group: &str, + topic: &str, + partition: u32, + ) -> Option { + let offsets = self.consumer_offsets.lock().unwrap(); + offsets.get_committed(group, topic, partition) + } + + /// Create a topic in the metadata registry. + pub fn create_topic(&self, config: TopicConfig) -> anyhow::Result<()> { + let mut metadata = self.topic_metadata.lock().unwrap(); + metadata.create_topic(config) + } + + /// Delete a topic from the metadata registry. + pub fn delete_topic(&self, name: &str) -> anyhow::Result<()> { + let mut metadata = self.topic_metadata.lock().unwrap(); + metadata.delete_topic(name) + } + + /// List all topics. Returns owned configs (cannot return references through Mutex). + pub fn list_topics(&self) -> Vec { + let metadata = self.topic_metadata.lock().unwrap(); + metadata.list_topics().into_iter().cloned().collect() + } + + /// Get a specific topic's config. Returns owned config. + pub fn get_topic(&self, name: &str) -> Option { + let metadata = self.topic_metadata.lock().unwrap(); + metadata.get_topic(name).cloned() + } + + /// Check if a topic exists in the metadata registry. + pub fn topic_exists(&self, name: &str) -> bool { + let metadata = self.topic_metadata.lock().unwrap(); + metadata.topic_exists(name) + } + + /// Close all active segments and return them. Used by the S3 shipper. + pub fn close_all_segments(&self) -> anyhow::Result> { + let writers = self.writers.read().unwrap(); + let mut closed = Vec::new(); + for writer_arc in writers.values() { + let mut writer = writer_arc.lock().unwrap(); + if let Some(seg) = writer.close_active_segment()? { + closed.push(seg); + } + } + Ok(closed) + } + + /// Get or create a writer for the given topic-partition. + /// Uses read lock for the common case (writer exists), upgrades to write lock to create. + fn get_or_create_writer( + &self, + topic: &str, + partition: u32, + ) -> anyhow::Result>>> { + let key = (topic.to_string(), partition); + + // Fast path: read lock (most common). + { + let writers = self.writers.read().unwrap(); + if let Some(writer) = writers.get(&key) { + return Ok(writer.clone()); + } + } + + // Slow path: write lock to create new writer. + let mut writers = self.writers.write().unwrap(); + // Double-check — another thread may have created it. + if let Some(writer) = writers.get(&key) { + return Ok(writer.clone()); + } + + let writer = WalWriter::new( + self.fs.clone(), + self.clock.clone(), + self.config.clone(), + TopicName::from(topic), + partition, + )?; + let writer = Arc::new(Mutex::new(writer)); + writers.insert(key, writer.clone()); + Ok(writer) + } +} + +#[cfg(test)] +mod tests { + use super::*; + use sq_sim::fs::InMemoryFileSystem; + use sq_sim::SimClock; + + fn test_engine() -> StorageEngine { + let fs = Arc::new(InMemoryFileSystem::new()); + let clock = Arc::new(SimClock::new()); + let config = WalConfig { + max_segment_bytes: 1024 * 1024, + max_segment_age_secs: 3600, + data_dir: PathBuf::from("/data"), + ..Default::default() + }; + StorageEngine::new(fs, clock, config).unwrap() + } + + #[test] + fn test_append_and_read() { + let engine = test_engine(); + + for i in 0..10 { + let offset = engine + .append("orders", 0, None, format!("msg-{i}").as_bytes(), &[], i * 100) + .unwrap(); + assert_eq!(offset, i); + } + + let messages = engine.read("orders", 0, 0, 100).unwrap(); + assert_eq!(messages.len(), 10); + for (i, msg) in messages.iter().enumerate() { + assert_eq!(msg.offset, i as u64); + assert_eq!(msg.value, format!("msg-{i}").as_bytes()); + } + } + + #[test] + fn test_read_from_middle() { + let engine = test_engine(); + + for i in 0..20 { + engine.append("t", 0, None, b"data", &[], i).unwrap(); + } + + let messages = engine.read("t", 0, 10, 100).unwrap(); + assert_eq!(messages.len(), 10); + assert_eq!(messages[0].offset, 10); + assert_eq!(messages[9].offset, 19); + } + + #[test] + fn test_read_with_limit() { + let engine = test_engine(); + + for i in 0..100 { + engine.append("t", 0, None, b"data", &[], i).unwrap(); + } + + let messages = engine.read("t", 0, 0, 5).unwrap(); + assert_eq!(messages.len(), 5); + assert_eq!(messages[4].offset, 4); + } + + #[test] + fn test_multi_topic_isolation() { + let engine = test_engine(); + + engine.append("alpha", 0, None, b"a-data", &[], 0).unwrap(); + engine.append("beta", 0, None, b"b-data", &[], 0).unwrap(); + + let a_msgs = engine.read("alpha", 0, 0, 100).unwrap(); + let b_msgs = engine.read("beta", 0, 0, 100).unwrap(); + + assert_eq!(a_msgs.len(), 1); + assert_eq!(b_msgs.len(), 1); + assert_eq!(a_msgs[0].value, b"a-data"); + assert_eq!(b_msgs[0].value, b"b-data"); + } + + #[test] + fn test_multi_partition_isolation() { + let engine = test_engine(); + + engine.append("t", 0, None, b"p0", &[], 0).unwrap(); + engine.append("t", 1, None, b"p1", &[], 0).unwrap(); + + let p0 = engine.read("t", 0, 0, 100).unwrap(); + let p1 = engine.read("t", 1, 0, 100).unwrap(); + + assert_eq!(p0.len(), 1); + assert_eq!(p1.len(), 1); + assert_eq!(p0[0].value, b"p0"); + assert_eq!(p1[0].value, b"p1"); + } + + #[test] + fn test_read_nonexistent_topic() { + let engine = test_engine(); + let messages = engine.read("no-topic", 0, 0, 100).unwrap(); + assert!(messages.is_empty()); + } + + #[test] + fn test_latest_offset() { + let engine = test_engine(); + + assert_eq!(engine.latest_offset("t", 0), 0); + + engine.append("t", 0, None, b"a", &[], 0).unwrap(); + engine.append("t", 0, None, b"b", &[], 0).unwrap(); + + assert_eq!(engine.latest_offset("t", 0), 2); + } + + #[test] + fn test_recovery() { + let fs = Arc::new(InMemoryFileSystem::new()); + let clock = Arc::new(SimClock::new()); + let config = WalConfig { + max_segment_bytes: 1024 * 1024, + max_segment_age_secs: 3600, + data_dir: PathBuf::from("/data"), + ..Default::default() + }; + + // Write some messages. + { + let engine = + StorageEngine::new(fs.clone(), clock.clone(), config.clone()).unwrap(); + for i in 0..5 { + engine + .append("orders", 0, None, format!("msg-{i}").as_bytes(), &[], 0) + .unwrap(); + } + } + + // Create a new engine and recover. + { + let engine = StorageEngine::new(fs, clock, config).unwrap(); + engine.recover().unwrap(); + + // Should be able to read all messages. + let messages = engine.read("orders", 0, 0, 100).unwrap(); + assert_eq!(messages.len(), 5); + + // Next offset should continue from 5. + assert_eq!(engine.latest_offset("orders", 0), 5); + + // Should be able to write more. + let offset = engine.append("orders", 0, None, b"msg-5", &[], 0).unwrap(); + assert_eq!(offset, 5); + } + } + + /// Regression: recovery must skip metadata JSON files in the data directory. + #[test] + fn test_recovery_with_metadata_files() { + let fs = Arc::new(InMemoryFileSystem::new()); + let clock = Arc::new(SimClock::new()); + let config = WalConfig { + max_segment_bytes: 1024 * 1024, + max_segment_age_secs: 3600, + data_dir: PathBuf::from("/data"), + ..Default::default() + }; + + // Write messages and commit a consumer offset (creates JSON files in data_dir). + { + let engine = + StorageEngine::new(fs.clone(), clock.clone(), config.clone()).unwrap(); + for i in 0..10 { + engine + .append("orders", 0, None, format!("msg-{i}").as_bytes(), &[], 0) + .unwrap(); + } + engine.commit_offset("group-1", "orders", 0, 5).unwrap(); + } + + // Recover — this used to fail with "Not a directory" because + // consumer_offsets.json was treated as a topic directory. + { + let engine = + StorageEngine::new(fs.clone(), clock.clone(), config.clone()).unwrap(); + engine.recover().unwrap(); + + let messages = engine.read("orders", 0, 0, 100).unwrap(); + assert_eq!(messages.len(), 10); + assert_eq!(engine.get_committed_offset("group-1", "orders", 0), Some(5)); + } + } + + #[test] + fn test_write_1000_read_all() { + let engine = test_engine(); + + for i in 0..1000 { + engine.append("t", 0, None, b"x", &[], i).unwrap(); + } + + let messages = engine.read("t", 0, 0, 2000).unwrap(); + assert_eq!(messages.len(), 1000); + assert_eq!(messages[0].offset, 0); + assert_eq!(messages[999].offset, 999); + } + + #[test] + fn test_append_batch_and_read() { + let engine = test_engine(); + + let messages: Vec<(Option<&[u8]>, &[u8], &[Header], u64)> = (0..10) + .map(|i| (None, b"data" as &[u8], &[] as &[Header], i as u64 * 100)) + .collect(); + + let offsets = engine.append_batch("orders", 0, &messages).unwrap(); + assert_eq!(offsets.len(), 10); + assert_eq!(offsets[0], 0); + assert_eq!(offsets[9], 9); + + let read = engine.read("orders", 0, 0, 100).unwrap(); + assert_eq!(read.len(), 10); + for (i, msg) in read.iter().enumerate() { + assert_eq!(msg.offset, i as u64); + } + } + + #[test] + fn test_append_batch_then_single() { + let engine = test_engine(); + + let messages: Vec<(Option<&[u8]>, &[u8], &[Header], u64)> = vec![ + (None, b"a" as &[u8], &[] as &[Header], 0), + (None, b"b", &[], 0), + ]; + + let offsets = engine.append_batch("t", 0, &messages).unwrap(); + assert_eq!(offsets, vec![0, 1]); + + let offset = engine.append("t", 0, None, b"c", &[], 0).unwrap(); + assert_eq!(offset, 2); + + let read = engine.read("t", 0, 0, 100).unwrap(); + assert_eq!(read.len(), 3); + } + + #[test] + fn test_append_batch_empty() { + let engine = test_engine(); + let offsets = engine + .append_batch("t", 0, &[] as &[(Option<&[u8]>, &[u8], &[Header], u64)]) + .unwrap(); + assert!(offsets.is_empty()); + } +} diff --git a/crates/sq-storage/src/index.rs b/crates/sq-storage/src/index.rs new file mode 100644 index 0000000..8d6fd12 --- /dev/null +++ b/crates/sq-storage/src/index.rs @@ -0,0 +1,256 @@ +use std::collections::BTreeMap; +use std::path::PathBuf; + +/// An entry in the sparse offset index. +#[derive(Clone, Debug, PartialEq)] +pub struct IndexEntry { + pub offset: u64, + pub segment_path: PathBuf, + /// Byte position within the segment file (past the segment header). + pub byte_position: u64, +} + +/// Location where a segment's data lives. +#[derive(Clone, Debug, PartialEq)] +pub enum SegmentLocation { + Local(PathBuf), + ObjectStore(String), // S3 key +} + +/// Sparse in-memory offset index for fast consumer seeks. +/// +/// Maps (topic, partition) → sorted list of index entries. +/// Only every Nth offset is indexed (sparse sampling). +/// Lookups use binary search to find the nearest entry at-or-before the requested offset. +pub struct OffsetIndex { + /// Per (topic, partition): sorted vec of index entries. + entries: BTreeMap<(String, u32), Vec>, + /// Sample interval: index every Nth offset. + sample_interval: u64, +} + +impl OffsetIndex { + pub fn new(sample_interval: u64) -> Self { + Self { + entries: BTreeMap::new(), + sample_interval: sample_interval.max(1), + } + } + + /// Add an entry to the index. Entries should be added in offset order. + pub fn add_entry(&mut self, topic: &str, partition: u32, entry: IndexEntry) { + let key = (topic.to_string(), partition); + self.entries.entry(key).or_default().push(entry); + } + + /// Register a segment's offset range. Only samples every Nth offset. + /// `base_offset` is the first offset in the segment. + /// `end_offset` is the last offset (inclusive). + pub fn register_segment( + &mut self, + topic: &str, + partition: u32, + segment_path: PathBuf, + base_offset: u64, + end_offset: u64, + ) { + // Add an entry for the base offset always. + self.add_entry( + topic, + partition, + IndexEntry { + offset: base_offset, + segment_path: segment_path.clone(), + byte_position: 0, // will need to scan from segment header + }, + ); + + // Add sampled entries. + let mut o = base_offset + self.sample_interval; + while o <= end_offset { + self.add_entry( + topic, + partition, + IndexEntry { + offset: o, + segment_path: segment_path.clone(), + byte_position: 0, // approximate; reader will scan forward + }, + ); + o += self.sample_interval; + } + } + + /// Look up the index entry at-or-before the given offset. + /// Returns the nearest entry whose offset <= requested offset. + pub fn lookup(&self, topic: &str, partition: u32, offset: u64) -> Option<&IndexEntry> { + let key = (topic.to_string(), partition); + let entries = self.entries.get(&key)?; + + if entries.is_empty() { + return None; + } + + // Binary search for the largest entry.offset <= offset. + match entries.binary_search_by_key(&offset, |e| e.offset) { + Ok(i) => Some(&entries[i]), + Err(0) => None, // offset is before all entries + Err(i) => Some(&entries[i - 1]), + } + } + + /// Get the segment path containing the given offset (or the nearest segment before it). + pub fn segment_for_offset( + &self, + topic: &str, + partition: u32, + offset: u64, + ) -> Option<&PathBuf> { + self.lookup(topic, partition, offset) + .map(|e| &e.segment_path) + } + + /// Get all known segment paths for a topic-partition, in offset order. + pub fn segments(&self, topic: &str, partition: u32) -> Vec { + let key = (topic.to_string(), partition); + let Some(entries) = self.entries.get(&key) else { + return Vec::new(); + }; + + let mut seen = std::collections::BTreeSet::new(); + let mut result = Vec::new(); + for entry in entries { + if seen.insert(entry.segment_path.clone()) { + result.push(entry.segment_path.clone()); + } + } + result + } + + /// Get the earliest known offset for a topic-partition. + pub fn earliest_offset(&self, topic: &str, partition: u32) -> Option { + let key = (topic.to_string(), partition); + self.entries + .get(&key) + .and_then(|entries| entries.first().map(|e| e.offset)) + } +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn test_lookup_exact_offset() { + let mut index = OffsetIndex::new(100); + index.register_segment("orders", 0, PathBuf::from("/seg0.wal"), 0, 999); + + let entry = index.lookup("orders", 0, 0).unwrap(); + assert_eq!(entry.offset, 0); + assert_eq!(entry.segment_path, PathBuf::from("/seg0.wal")); + } + + #[test] + fn test_lookup_between_samples() { + let mut index = OffsetIndex::new(100); + index.register_segment("orders", 0, PathBuf::from("/seg0.wal"), 0, 999); + + // Offset 50 is between samples 0 and 100, should return entry for 0. + let entry = index.lookup("orders", 0, 50).unwrap(); + assert_eq!(entry.offset, 0); + + // Offset 150 is between 100 and 200, should return entry for 100. + let entry = index.lookup("orders", 0, 150).unwrap(); + assert_eq!(entry.offset, 100); + } + + #[test] + fn test_lookup_beyond_last_entry() { + let mut index = OffsetIndex::new(100); + index.register_segment("t", 0, PathBuf::from("/seg.wal"), 0, 250); + + // Offset 5000 is past all entries, should return the last entry. + let entry = index.lookup("t", 0, 5000).unwrap(); + assert_eq!(entry.offset, 200); + } + + #[test] + fn test_lookup_before_first_entry() { + let mut index = OffsetIndex::new(100); + index.register_segment("t", 0, PathBuf::from("/seg.wal"), 500, 999); + + // Offset 100 is before the first entry (500). + assert!(index.lookup("t", 0, 100).is_none()); + } + + #[test] + fn test_lookup_nonexistent_topic() { + let index = OffsetIndex::new(100); + assert!(index.lookup("no-topic", 0, 0).is_none()); + } + + #[test] + fn test_multiple_segments() { + let mut index = OffsetIndex::new(1000); + index.register_segment("t", 0, PathBuf::from("/seg0.wal"), 0, 4999); + index.register_segment("t", 0, PathBuf::from("/seg1.wal"), 5000, 9999); + + let entry = index.lookup("t", 0, 3000).unwrap(); + assert_eq!(entry.segment_path, PathBuf::from("/seg0.wal")); + + let entry = index.lookup("t", 0, 7000).unwrap(); + assert_eq!(entry.segment_path, PathBuf::from("/seg1.wal")); + } + + #[test] + fn test_topic_partition_isolation() { + let mut index = OffsetIndex::new(100); + index.register_segment("a", 0, PathBuf::from("/a0.wal"), 0, 999); + index.register_segment("b", 0, PathBuf::from("/b0.wal"), 0, 999); + index.register_segment("a", 1, PathBuf::from("/a1.wal"), 0, 999); + + assert_eq!( + index.segment_for_offset("a", 0, 50).unwrap(), + &PathBuf::from("/a0.wal") + ); + assert_eq!( + index.segment_for_offset("b", 0, 50).unwrap(), + &PathBuf::from("/b0.wal") + ); + assert_eq!( + index.segment_for_offset("a", 1, 50).unwrap(), + &PathBuf::from("/a1.wal") + ); + } + + #[test] + fn test_segments_list() { + let mut index = OffsetIndex::new(1000); + index.register_segment("t", 0, PathBuf::from("/seg0.wal"), 0, 4999); + index.register_segment("t", 0, PathBuf::from("/seg1.wal"), 5000, 9999); + + let segs = index.segments("t", 0); + assert_eq!(segs.len(), 2); + assert_eq!(segs[0], PathBuf::from("/seg0.wal")); + assert_eq!(segs[1], PathBuf::from("/seg1.wal")); + } + + #[test] + fn test_earliest_offset() { + let mut index = OffsetIndex::new(100); + index.register_segment("t", 0, PathBuf::from("/seg.wal"), 42, 999); + assert_eq!(index.earliest_offset("t", 0), Some(42)); + } + + #[test] + fn test_sample_interval() { + let mut index = OffsetIndex::new(500); + index.register_segment("t", 0, PathBuf::from("/seg.wal"), 0, 2000); + + // Should have entries at: 0, 500, 1000, 1500, 2000 + let key = ("t".to_string(), 0); + let entries = index.entries.get(&key).unwrap(); + let offsets: Vec = entries.iter().map(|e| e.offset).collect(); + assert_eq!(offsets, vec![0, 500, 1000, 1500, 2000]); + } +} diff --git a/crates/sq-storage/src/lib.rs b/crates/sq-storage/src/lib.rs index e69de29..648b8ae 100644 --- a/crates/sq-storage/src/lib.rs +++ b/crates/sq-storage/src/lib.rs @@ -0,0 +1,6 @@ +pub mod consumer_offsets; +pub mod engine; +pub mod index; +pub mod object_store; +pub mod topic_metadata; +pub mod wal; diff --git a/crates/sq-storage/src/object_store/layout.rs b/crates/sq-storage/src/object_store/layout.rs new file mode 100644 index 0000000..a517bd6 --- /dev/null +++ b/crates/sq-storage/src/object_store/layout.rs @@ -0,0 +1,93 @@ +/// S3 key layout for shipped WAL segments. +/// +/// Format: `{cluster_id}/{topic}/{partition}/{base_offset:020}-{end_offset:020}.sqseg` +/// +/// The 020 zero-padding ensures lexicographic ordering matches offset ordering. +pub fn segment_key( + cluster_id: &str, + topic: &str, + partition: u32, + base_offset: u64, + end_offset: u64, +) -> String { + format!( + "{}/{}/{}/{:020}-{:020}.sqseg", + cluster_id, topic, partition, base_offset, end_offset + ) +} + +/// Parse a segment key back into its components. +/// Returns (cluster_id, topic, partition, base_offset, end_offset). +pub fn parse_segment_key(key: &str) -> Option<(String, String, u32, u64, u64)> { + let parts: Vec<&str> = key.split('/').collect(); + if parts.len() != 4 { + return None; + } + + let cluster_id = parts[0].to_string(); + let topic = parts[1].to_string(); + let partition: u32 = parts[2].parse().ok()?; + + let filename = parts[3].strip_suffix(".sqseg")?; + let offsets: Vec<&str> = filename.split('-').collect(); + if offsets.len() != 2 { + return None; + } + + let base_offset: u64 = offsets[0].parse().ok()?; + let end_offset: u64 = offsets[1].parse().ok()?; + + Some((cluster_id, topic, partition, base_offset, end_offset)) +} + +/// S3 key prefix for listing segments of a topic-partition. +pub fn topic_partition_prefix(cluster_id: &str, topic: &str, partition: u32) -> String { + format!("{}/{}/{}/", cluster_id, topic, partition) +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn test_segment_key_format() { + let key = segment_key("cluster-1", "orders", 0, 0, 999); + assert_eq!( + key, + "cluster-1/orders/0/00000000000000000000-00000000000000000999.sqseg" + ); + } + + #[test] + fn test_segment_key_lexicographic_order() { + let k1 = segment_key("c", "t", 0, 0, 999); + let k2 = segment_key("c", "t", 0, 1000, 1999); + let k3 = segment_key("c", "t", 0, 2000, 2999); + assert!(k1 < k2); + assert!(k2 < k3); + } + + #[test] + fn test_parse_segment_key() { + let key = segment_key("cluster-1", "orders", 2, 1000, 1999); + let parsed = parse_segment_key(&key).unwrap(); + assert_eq!(parsed.0, "cluster-1"); + assert_eq!(parsed.1, "orders"); + assert_eq!(parsed.2, 2); + assert_eq!(parsed.3, 1000); + assert_eq!(parsed.4, 1999); + } + + #[test] + fn test_parse_invalid_key() { + assert!(parse_segment_key("invalid").is_none()); + assert!(parse_segment_key("a/b/c").is_none()); + assert!(parse_segment_key("a/b/c/d.txt").is_none()); + } + + #[test] + fn test_topic_partition_prefix() { + let prefix = topic_partition_prefix("cluster-1", "orders", 0); + assert_eq!(prefix, "cluster-1/orders/0/"); + } +} diff --git a/crates/sq-storage/src/object_store/mod.rs b/crates/sq-storage/src/object_store/mod.rs new file mode 100644 index 0000000..d066c0c --- /dev/null +++ b/crates/sq-storage/src/object_store/mod.rs @@ -0,0 +1,159 @@ +pub mod layout; +pub mod reader; +pub mod s3; +pub mod shipper; + +use std::collections::HashMap; +use std::sync::Mutex; + +/// Trait for object storage backends (S3, MinIO, in-memory for tests). +#[allow(async_fn_in_trait)] +pub trait ObjectStore: Send + Sync + 'static { + async fn put(&self, key: &str, data: Vec) -> anyhow::Result<()>; + async fn get(&self, key: &str) -> anyhow::Result>; + async fn list(&self, prefix: &str) -> anyhow::Result>; + async fn delete(&self, key: &str) -> anyhow::Result<()>; + async fn exists(&self, key: &str) -> anyhow::Result; +} + +/// In-memory object store for testing. +pub struct InMemoryObjectStore { + data: Mutex>>, +} + +impl InMemoryObjectStore { + pub fn new() -> Self { + Self { + data: Mutex::new(HashMap::new()), + } + } +} + +impl Default for InMemoryObjectStore { + fn default() -> Self { + Self::new() + } +} + +impl ObjectStore for InMemoryObjectStore { + async fn put(&self, key: &str, data: Vec) -> anyhow::Result<()> { + self.data + .lock() + .unwrap() + .insert(key.to_string(), data); + Ok(()) + } + + async fn get(&self, key: &str) -> anyhow::Result> { + self.data + .lock() + .unwrap() + .get(key) + .cloned() + .ok_or_else(|| anyhow::anyhow!("key '{}' not found", key)) + } + + async fn list(&self, prefix: &str) -> anyhow::Result> { + let data = self.data.lock().unwrap(); + let mut keys: Vec = data + .keys() + .filter(|k| k.starts_with(prefix)) + .cloned() + .collect(); + keys.sort(); + Ok(keys) + } + + async fn delete(&self, key: &str) -> anyhow::Result<()> { + self.data.lock().unwrap().remove(key); + Ok(()) + } + + async fn exists(&self, key: &str) -> anyhow::Result { + Ok(self.data.lock().unwrap().contains_key(key)) + } +} + +/// No-op object store that silently discards all data. +pub struct NoopObjectStore; + +impl ObjectStore for NoopObjectStore { + async fn put(&self, _key: &str, _data: Vec) -> anyhow::Result<()> { + Ok(()) + } + + async fn get(&self, key: &str) -> anyhow::Result> { + anyhow::bail!("NoopObjectStore: key '{}' not found", key) + } + + async fn list(&self, _prefix: &str) -> anyhow::Result> { + Ok(vec![]) + } + + async fn delete(&self, _key: &str) -> anyhow::Result<()> { + Ok(()) + } + + async fn exists(&self, _key: &str) -> anyhow::Result { + Ok(false) + } +} + +#[cfg(test)] +mod tests { + use super::*; + + #[tokio::test] + async fn test_inmemory_put_get() { + let store = InMemoryObjectStore::new(); + store.put("test/key", b"hello".to_vec()).await.unwrap(); + + let data = store.get("test/key").await.unwrap(); + assert_eq!(data, b"hello"); + } + + #[tokio::test] + async fn test_inmemory_get_nonexistent() { + let store = InMemoryObjectStore::new(); + let err = store.get("no/such/key").await.unwrap_err(); + assert!(err.to_string().contains("not found")); + } + + #[tokio::test] + async fn test_inmemory_list() { + let store = InMemoryObjectStore::new(); + store.put("a/1", b"x".to_vec()).await.unwrap(); + store.put("a/2", b"y".to_vec()).await.unwrap(); + store.put("b/1", b"z".to_vec()).await.unwrap(); + + let keys = store.list("a/").await.unwrap(); + assert_eq!(keys, vec!["a/1", "a/2"]); + } + + #[tokio::test] + async fn test_inmemory_delete() { + let store = InMemoryObjectStore::new(); + store.put("key", b"data".to_vec()).await.unwrap(); + store.delete("key").await.unwrap(); + + assert!(!store.exists("key").await.unwrap()); + } + + #[tokio::test] + async fn test_inmemory_exists() { + let store = InMemoryObjectStore::new(); + assert!(!store.exists("key").await.unwrap()); + + store.put("key", b"data".to_vec()).await.unwrap(); + assert!(store.exists("key").await.unwrap()); + } + + #[tokio::test] + async fn test_noop_put_get() { + let store = NoopObjectStore; + store.put("key", b"data".to_vec()).await.unwrap(); + + // Get always fails on noop store. + assert!(store.get("key").await.is_err()); + } +} diff --git a/crates/sq-storage/src/object_store/reader.rs b/crates/sq-storage/src/object_store/reader.rs new file mode 100644 index 0000000..0cbeece --- /dev/null +++ b/crates/sq-storage/src/object_store/reader.rs @@ -0,0 +1,209 @@ +use sq_models::Message; + +use super::ObjectStore; +use crate::wal::reader::WalReader; +use sq_sim::fs::FileSystem; +use std::path::PathBuf; +use std::sync::Arc; + +/// Reads segments from object storage, decompressing and parsing them. +pub struct ObjectStoreReader { + fs: Arc, + object_store: Arc, + cache_dir: PathBuf, + wal_reader: WalReader, +} + +impl ObjectStoreReader { + pub fn new(fs: Arc, object_store: Arc, cache_dir: PathBuf) -> Self { + let wal_reader = WalReader::new(fs.clone()); + Self { + fs, + object_store, + cache_dir, + wal_reader, + } + } + + /// Fetch a segment from object storage, decompress it, cache locally, and read messages. + pub async fn read_segment( + &self, + key: &str, + from_offset: u64, + ) -> anyhow::Result> { + // Check local cache first. + let cache_path = self.cache_path(key); + + if !self.fs.exists(&cache_path) { + // Download from object store. + let compressed = self.object_store.get(key).await?; + + // Decompress zstd. + let decompressed = zstd::decode_all(compressed.as_slice())?; + + // Cache locally. + if let Some(parent) = cache_path.parent() { + self.fs.create_dir_all(parent)?; + } + let mut handle = self.fs.open_write(&cache_path)?; + handle.write_all(&decompressed)?; + } + + // Read from cached file. + Ok(self.wal_reader.read_from_offset(&cache_path, from_offset)?) + } + + /// List segment keys in object storage matching a prefix. + pub async fn list_segment_keys(&self, prefix: &str) -> anyhow::Result> { + self.object_store.list(prefix).await + } + + fn cache_path(&self, key: &str) -> PathBuf { + // Replace '/' with '_' for flat cache directory. + let safe_name = key.replace('/', "_"); + self.cache_dir.join(safe_name) + } +} + +#[cfg(test)] +mod tests { + use super::*; + use crate::object_store::InMemoryObjectStore; + use crate::wal::record::encode_record; + use crate::wal::segment::SegmentHeader; + use sq_sim::fs::InMemoryFileSystem; + + fn build_test_segment(topic: &str, partition: u32, messages: &[Message]) -> Vec { + let mut data = Vec::new(); + + // Write segment header. + let header = SegmentHeader { + topic: topic.to_string(), + partition, + }; + data.extend_from_slice(&header.encode()); + + // Write records. + for msg in messages { + data.extend_from_slice(&encode_record(msg)); + } + + data + } + + #[tokio::test] + async fn test_read_from_object_store() { + let fs = Arc::new(InMemoryFileSystem::new()); + let store = Arc::new(InMemoryObjectStore::new()); + + let messages = vec![ + Message { + offset: 0, + topic: "orders".into(), + partition: 0, + key: None, + value: b"msg-0".to_vec(), + headers: vec![], + timestamp_ms: 100, + }, + Message { + offset: 1, + topic: "orders".into(), + partition: 0, + key: None, + value: b"msg-1".to_vec(), + headers: vec![], + timestamp_ms: 200, + }, + ]; + + let segment_data = build_test_segment("orders", 0, &messages); + let compressed = zstd::encode_all(segment_data.as_slice(), 3).unwrap(); + + store + .put("cluster/orders/0/00000000000000000000-00000000000000000001.sqseg", compressed) + .await + .unwrap(); + + let reader = ObjectStoreReader::new(fs, store, PathBuf::from("/cache")); + + let result = reader + .read_segment( + "cluster/orders/0/00000000000000000000-00000000000000000001.sqseg", + 0, + ) + .await + .unwrap(); + + assert_eq!(result.len(), 2); + assert_eq!(result[0].value, b"msg-0"); + assert_eq!(result[1].value, b"msg-1"); + } + + #[tokio::test] + async fn test_cached_read() { + let fs = Arc::new(InMemoryFileSystem::new()); + let store = Arc::new(InMemoryObjectStore::new()); + + let messages = vec![Message { + offset: 0, + topic: "t".into(), + partition: 0, + key: None, + value: b"data".to_vec(), + headers: vec![], + timestamp_ms: 0, + }]; + + let segment_data = build_test_segment("t", 0, &messages); + let compressed = zstd::encode_all(segment_data.as_slice(), 3).unwrap(); + + let key = "cluster/t/0/00000000000000000000-00000000000000000000.sqseg"; + store.put(key, compressed).await.unwrap(); + + let reader = ObjectStoreReader::new(fs.clone(), store.clone(), PathBuf::from("/cache")); + + // First read - fetches from store. + let result1 = reader.read_segment(key, 0).await.unwrap(); + assert_eq!(result1.len(), 1); + + // Delete from store to prove cached read works. + store.delete(key).await.unwrap(); + + // Second read - uses cache. + let result2 = reader.read_segment(key, 0).await.unwrap(); + assert_eq!(result2.len(), 1); + assert_eq!(result2[0].value, b"data"); + } + + #[tokio::test] + async fn test_read_from_offset() { + let fs = Arc::new(InMemoryFileSystem::new()); + let store = Arc::new(InMemoryObjectStore::new()); + + let messages: Vec = (0..5) + .map(|i| Message { + offset: i, + topic: "t".into(), + partition: 0, + key: None, + value: format!("msg-{i}").into_bytes(), + headers: vec![], + timestamp_ms: i * 100, + }) + .collect(); + + let segment_data = build_test_segment("t", 0, &messages); + let compressed = zstd::encode_all(segment_data.as_slice(), 3).unwrap(); + + let key = "cluster/t/0/00000000000000000000-00000000000000000004.sqseg"; + store.put(key, compressed).await.unwrap(); + + let reader = ObjectStoreReader::new(fs, store, PathBuf::from("/cache")); + + let result = reader.read_segment(key, 3).await.unwrap(); + assert_eq!(result.len(), 2); + assert_eq!(result[0].offset, 3); + assert_eq!(result[1].offset, 4); + } +} diff --git a/crates/sq-storage/src/object_store/s3.rs b/crates/sq-storage/src/object_store/s3.rs new file mode 100644 index 0000000..cf9309f --- /dev/null +++ b/crates/sq-storage/src/object_store/s3.rs @@ -0,0 +1,106 @@ +use object_store::aws::{AmazonS3, AmazonS3Builder}; +use object_store::path::Path as ObjectPath; +use object_store::ObjectStore as _; + +use super::ObjectStore; + +/// S3-backed object store using the `object_store` crate. +/// Works with AWS S3, MinIO, and any S3-compatible endpoint. +pub struct S3ObjectStore { + store: AmazonS3, + bucket: String, +} + +/// Configuration for the S3 object store. +pub struct S3Config { + pub bucket: String, + pub region: String, + pub endpoint: Option, + pub access_key_id: Option, + pub secret_access_key: Option, + /// Allow HTTP (non-TLS) connections. Required for local MinIO. + pub allow_http: bool, +} + +impl S3ObjectStore { + pub fn new(config: S3Config) -> anyhow::Result { + let mut builder = AmazonS3Builder::new() + .with_bucket_name(&config.bucket) + .with_region(&config.region); + + if let Some(endpoint) = &config.endpoint { + builder = builder.with_endpoint(endpoint); + } + + if let Some(key) = &config.access_key_id { + builder = builder.with_access_key_id(key); + } + + if let Some(secret) = &config.secret_access_key { + builder = builder.with_secret_access_key(secret); + } + + if config.allow_http { + builder = builder.with_allow_http(true); + } + + let store = builder.build()?; + + Ok(Self { + store, + bucket: config.bucket, + }) + } + + /// Get the bucket name. + pub fn bucket(&self) -> &str { + &self.bucket + } +} + +impl ObjectStore for S3ObjectStore { + async fn put(&self, key: &str, data: Vec) -> anyhow::Result<()> { + let path = ObjectPath::from(key); + self.store + .put(&path, bytes::Bytes::from(data).into()) + .await?; + Ok(()) + } + + async fn get(&self, key: &str) -> anyhow::Result> { + let path = ObjectPath::from(key); + let result = self.store.get(&path).await?; + let bytes = result.bytes().await?; + Ok(bytes.to_vec()) + } + + async fn list(&self, prefix: &str) -> anyhow::Result> { + use futures::TryStreamExt; + + let prefix_path = ObjectPath::from(prefix); + let mut keys = Vec::new(); + + let mut stream = self.store.list(Some(&prefix_path)); + while let Some(meta) = stream.try_next().await? { + keys.push(meta.location.to_string()); + } + + keys.sort(); + Ok(keys) + } + + async fn delete(&self, key: &str) -> anyhow::Result<()> { + let path = ObjectPath::from(key); + self.store.delete(&path).await?; + Ok(()) + } + + async fn exists(&self, key: &str) -> anyhow::Result { + let path = ObjectPath::from(key); + match self.store.head(&path).await { + Ok(_) => Ok(true), + Err(object_store::Error::NotFound { .. }) => Ok(false), + Err(e) => Err(e.into()), + } + } +} diff --git a/crates/sq-storage/src/object_store/shipper.rs b/crates/sq-storage/src/object_store/shipper.rs new file mode 100644 index 0000000..99ded0b --- /dev/null +++ b/crates/sq-storage/src/object_store/shipper.rs @@ -0,0 +1,273 @@ +use std::collections::HashSet; +use std::path::PathBuf; +use std::sync::Arc; + +use sq_models::ClosedSegment; +use sq_sim::fs::FileSystem; +use tokio::sync::Mutex; + +use super::layout; +use super::ObjectStore; + +/// Tracks which segments have been shipped to object storage. +pub struct ShippedSegments { + shipped: HashSet, +} + +impl ShippedSegments { + pub fn new() -> Self { + Self { + shipped: HashSet::new(), + } + } + + pub fn mark_shipped(&mut self, path: PathBuf) { + self.shipped.insert(path); + } + + pub fn is_shipped(&self, path: &PathBuf) -> bool { + self.shipped.contains(path) + } + + pub fn shipped_paths(&self) -> &HashSet { + &self.shipped + } +} + +impl Default for ShippedSegments { + fn default() -> Self { + Self::new() + } +} + +/// Ships closed WAL segments to object storage with zstd compression. +pub struct SegmentShipper { + fs: Arc, + object_store: Arc, + cluster_id: String, + shipped: Arc>, +} + +impl SegmentShipper { + pub fn new( + fs: Arc, + object_store: Arc, + cluster_id: String, + shipped: Arc>, + ) -> Self { + Self { + fs, + object_store, + cluster_id, + shipped, + } + } + + /// Ship a single closed segment to object storage. + /// Reads the local WAL file, compresses with zstd, uploads. + pub async fn ship_segment(&self, segment: &ClosedSegment) -> anyhow::Result<()> { + // Check if already shipped. + { + let shipped = self.shipped.lock().await; + if shipped.is_shipped(&segment.path) { + return Ok(()); + } + } + + // Read the local WAL file. + let mut handle = self.fs.open_read(&segment.path)?; + let mut raw_data = Vec::new(); + handle.read_to_end(&mut raw_data)?; + + // Compress with zstd. + let compressed = zstd::encode_all(raw_data.as_slice(), 3)?; + + // Build the S3 key. + let key = layout::segment_key( + &self.cluster_id, + segment.topic.as_str(), + segment.partition, + segment.base_offset, + segment.end_offset, + ); + + // Upload. + self.object_store.put(&key, compressed).await?; + + tracing::info!( + topic = %segment.topic, + partition = segment.partition, + base_offset = segment.base_offset, + end_offset = segment.end_offset, + key = %key, + "shipped segment to object store" + ); + + // Mark as shipped. + { + let mut shipped = self.shipped.lock().await; + shipped.mark_shipped(segment.path.clone()); + } + + Ok(()) + } + + /// Ship all provided closed segments. Returns the number of successfully shipped segments. + pub async fn ship_all(&self, segments: &[ClosedSegment]) -> usize { + let mut shipped_count = 0; + for segment in segments { + match self.ship_segment(segment).await { + Ok(()) => shipped_count += 1, + Err(e) => { + tracing::warn!( + topic = %segment.topic, + partition = segment.partition, + path = %segment.path.display(), + error = %e, + "failed to ship segment, will retry" + ); + } + } + } + shipped_count + } +} + +#[cfg(test)] +mod tests { + use super::*; + use crate::object_store::InMemoryObjectStore; + use sq_sim::fs::InMemoryFileSystem; + use std::path::Path; + + fn setup() -> ( + Arc, + Arc, + SegmentShipper, + ) { + let fs = Arc::new(InMemoryFileSystem::new()); + let store = Arc::new(InMemoryObjectStore::new()); + let shipped = Arc::new(Mutex::new(ShippedSegments::new())); + let shipper = SegmentShipper::new( + fs.clone(), + store.clone(), + "test-cluster".to_string(), + shipped, + ); + (fs, store, shipper) + } + + fn create_test_segment(fs: &InMemoryFileSystem, path: &Path, data: &[u8]) { + fs.create_dir_all(path.parent().unwrap()).unwrap(); + let mut handle = fs.open_write(path).unwrap(); + handle.write_all(data).unwrap(); + } + + #[tokio::test] + async fn test_ship_segment() { + let (fs, store, shipper) = setup(); + + let seg_path = PathBuf::from("/data/orders/0/00000000000000000000.wal"); + create_test_segment(&fs, &seg_path, b"wal data here"); + + let segment = ClosedSegment { + topic: "orders".into(), + partition: 0, + base_offset: 0, + end_offset: 99, + path: seg_path, + size_bytes: 13, + }; + + shipper.ship_segment(&segment).await.unwrap(); + + // Verify it's in the object store. + let key = layout::segment_key("test-cluster", "orders", 0, 0, 99); + let data = store.get(&key).await.unwrap(); + + // Data should be zstd-compressed, so decompress and verify. + let decompressed = zstd::decode_all(data.as_slice()).unwrap(); + assert_eq!(decompressed, b"wal data here"); + } + + #[tokio::test] + async fn test_ship_already_shipped_is_noop() { + let (fs, store, shipper) = setup(); + + let seg_path = PathBuf::from("/data/orders/0/00000000000000000000.wal"); + create_test_segment(&fs, &seg_path, b"data"); + + let segment = ClosedSegment { + topic: "orders".into(), + partition: 0, + base_offset: 0, + end_offset: 99, + path: seg_path, + size_bytes: 13, + }; + + shipper.ship_segment(&segment).await.unwrap(); + // Ship again - should be a noop. + shipper.ship_segment(&segment).await.unwrap(); + + let keys = store.list("test-cluster/").await.unwrap(); + assert_eq!(keys.len(), 1); + } + + #[tokio::test] + async fn test_ship_all_counts() { + let (fs, store, shipper) = setup(); + + let mut segments = Vec::new(); + for i in 0..3 { + let path = PathBuf::from(format!("/data/t/0/{:020}.wal", i * 100)); + create_test_segment(&fs, &path, format!("data-{i}").as_bytes()); + segments.push(ClosedSegment { + topic: "t".into(), + partition: 0, + base_offset: i * 100, + end_offset: i * 100 + 99, + path, + size_bytes: 6, + }); + } + + let count = shipper.ship_all(&segments).await; + assert_eq!(count, 3); + + let keys = store.list("test-cluster/").await.unwrap(); + assert_eq!(keys.len(), 3); + } + + #[tokio::test] + async fn test_s3_key_layout() { + let (fs, store, shipper) = setup(); + + let seg_path = PathBuf::from("/data/events/2/00000000000000001000.wal"); + create_test_segment(&fs, &seg_path, b"data"); + + let segment = ClosedSegment { + topic: "events".into(), + partition: 2, + base_offset: 1000, + end_offset: 1999, + path: seg_path, + size_bytes: 4, + }; + + shipper.ship_segment(&segment).await.unwrap(); + + let expected_key = "test-cluster/events/2/00000000000000001000-00000000000000001999.sqseg"; + assert!(store.exists(expected_key).await.unwrap()); + } + + #[test] + fn test_shipped_segments_tracking() { + let mut shipped = ShippedSegments::new(); + let path = PathBuf::from("/data/t/0/000.wal"); + + assert!(!shipped.is_shipped(&path)); + shipped.mark_shipped(path.clone()); + assert!(shipped.is_shipped(&path)); + } +} diff --git a/crates/sq-storage/src/topic_metadata.rs b/crates/sq-storage/src/topic_metadata.rs new file mode 100644 index 0000000..baffa27 --- /dev/null +++ b/crates/sq-storage/src/topic_metadata.rs @@ -0,0 +1,225 @@ +use std::collections::HashMap; +use std::path::{Path, PathBuf}; +use std::sync::Arc; + +use sq_models::TopicConfig; +use sq_sim::fs::FileSystem; + +/// Manages topic metadata (name, partitions, replication factor). +/// Backed by a JSON file for persistence. +pub struct TopicMetadata { + topics: HashMap, + persist_path: PathBuf, + fs: Arc, +} + +impl TopicMetadata { + pub fn new(fs: Arc, data_dir: &Path) -> Self { + let persist_path = data_dir.join("topic_metadata.json"); + Self { + topics: HashMap::new(), + persist_path, + fs, + } + } + + /// Create a new topic. Returns error if topic already exists. + pub fn create_topic(&mut self, config: TopicConfig) -> anyhow::Result<()> { + if self.topics.contains_key(config.name.as_str()) { + anyhow::bail!("topic '{}' already exists", config.name); + } + self.topics.insert(config.name.to_string(), config); + self.persist() + } + + /// Delete a topic by name. Returns error if topic doesn't exist. + pub fn delete_topic(&mut self, name: &str) -> anyhow::Result<()> { + if self.topics.remove(name).is_none() { + anyhow::bail!("topic '{}' not found", name); + } + self.persist() + } + + /// List all topics. + pub fn list_topics(&self) -> Vec<&TopicConfig> { + let mut topics: Vec<_> = self.topics.values().collect(); + topics.sort_by_key(|t| t.name.as_str()); + topics + } + + /// Get a specific topic's config. + pub fn get_topic(&self, name: &str) -> Option<&TopicConfig> { + self.topics.get(name) + } + + /// Check if a topic exists. + pub fn topic_exists(&self, name: &str) -> bool { + self.topics.contains_key(name) + } + + fn persist(&self) -> anyhow::Result<()> { + let entries: Vec = self + .topics + .values() + .map(|c| TopicEntry { + name: c.name.to_string(), + partitions: c.partitions, + replication_factor: c.replication_factor, + }) + .collect(); + + let json = serde_json::to_vec(&entries)?; + + if let Some(parent) = self.persist_path.parent() { + self.fs.create_dir_all(parent)?; + } + + let mut handle = self.fs.open_write(&self.persist_path)?; + handle.write_all(&json)?; + handle.fsync()?; + + Ok(()) + } + + /// Load topic metadata from disk. + pub fn load(fs: Arc, data_dir: &Path) -> anyhow::Result { + let persist_path = data_dir.join("topic_metadata.json"); + + if !fs.exists(&persist_path) { + return Ok(Self { + topics: HashMap::new(), + persist_path, + fs, + }); + } + + let mut handle = fs.open_read(&persist_path)?; + let mut buf = Vec::new(); + handle.read_to_end(&mut buf)?; + + let entries: Vec = serde_json::from_slice(&buf)?; + + let mut topics = HashMap::new(); + for entry in entries { + let config = TopicConfig::new(entry.name.as_str()) + .with_partitions(entry.partitions) + .with_replication_factor(entry.replication_factor); + topics.insert(entry.name, config); + } + + Ok(Self { + topics, + persist_path, + fs, + }) + } +} + +#[derive(serde::Serialize, serde::Deserialize)] +struct TopicEntry { + name: String, + partitions: u32, + replication_factor: u32, +} + +#[cfg(test)] +mod tests { + use super::*; + use sq_sim::fs::InMemoryFileSystem; + + fn test_metadata() -> TopicMetadata { + let fs = Arc::new(InMemoryFileSystem::new()); + TopicMetadata::new(fs, Path::new("/data")) + } + + #[test] + fn test_create_and_get_topic() { + let mut meta = test_metadata(); + meta.create_topic(TopicConfig::new("orders")).unwrap(); + + let topic = meta.get_topic("orders").unwrap(); + assert_eq!(topic.name.as_str(), "orders"); + assert_eq!(topic.partitions, 1); + assert_eq!(topic.replication_factor, 3); + } + + #[test] + fn test_create_duplicate_fails() { + let mut meta = test_metadata(); + meta.create_topic(TopicConfig::new("orders")).unwrap(); + + let err = meta.create_topic(TopicConfig::new("orders")).unwrap_err(); + assert!(err.to_string().contains("already exists")); + } + + #[test] + fn test_delete_topic() { + let mut meta = test_metadata(); + meta.create_topic(TopicConfig::new("orders")).unwrap(); + meta.delete_topic("orders").unwrap(); + + assert!(meta.get_topic("orders").is_none()); + } + + #[test] + fn test_delete_nonexistent_fails() { + let mut meta = test_metadata(); + let err = meta.delete_topic("orders").unwrap_err(); + assert!(err.to_string().contains("not found")); + } + + #[test] + fn test_list_topics_sorted() { + let mut meta = test_metadata(); + meta.create_topic(TopicConfig::new("zebra")).unwrap(); + meta.create_topic(TopicConfig::new("alpha")).unwrap(); + meta.create_topic(TopicConfig::new("middle")).unwrap(); + + let topics = meta.list_topics(); + assert_eq!(topics.len(), 3); + assert_eq!(topics[0].name.as_str(), "alpha"); + assert_eq!(topics[1].name.as_str(), "middle"); + assert_eq!(topics[2].name.as_str(), "zebra"); + } + + #[test] + fn test_persist_and_load() { + let fs = Arc::new(InMemoryFileSystem::new()); + + { + let mut meta = TopicMetadata::new(fs.clone(), Path::new("/data")); + meta.create_topic( + TopicConfig::new("orders") + .with_partitions(4) + .with_replication_factor(2), + ) + .unwrap(); + meta.create_topic(TopicConfig::new("events")).unwrap(); + } + + let loaded = TopicMetadata::load(fs, Path::new("/data")).unwrap(); + assert_eq!(loaded.list_topics().len(), 2); + + let orders = loaded.get_topic("orders").unwrap(); + assert_eq!(orders.partitions, 4); + assert_eq!(orders.replication_factor, 2); + + assert!(loaded.topic_exists("events")); + } + + #[test] + fn test_load_nonexistent_file() { + let fs = Arc::new(InMemoryFileSystem::new()); + let meta = TopicMetadata::load(fs, Path::new("/data")).unwrap(); + assert!(meta.list_topics().is_empty()); + } + + #[test] + fn test_topic_exists() { + let mut meta = test_metadata(); + assert!(!meta.topic_exists("orders")); + + meta.create_topic(TopicConfig::new("orders")).unwrap(); + assert!(meta.topic_exists("orders")); + } +} diff --git a/crates/sq-storage/src/wal/mod.rs b/crates/sq-storage/src/wal/mod.rs new file mode 100644 index 0000000..aa5e9f7 --- /dev/null +++ b/crates/sq-storage/src/wal/mod.rs @@ -0,0 +1,5 @@ +pub mod reader; +pub mod record; +pub mod segment; +pub mod trimmer; +pub mod writer; diff --git a/crates/sq-storage/src/wal/reader.rs b/crates/sq-storage/src/wal/reader.rs new file mode 100644 index 0000000..ba13011 --- /dev/null +++ b/crates/sq-storage/src/wal/reader.rs @@ -0,0 +1,281 @@ +use std::path::Path; +use std::sync::Arc; + +use sq_models::{Message, TopicName}; +use sq_sim::fs::FileSystem; + +use super::record::{decode_record, RecordError, MIN_RECORD_SIZE}; +use super::segment::{SegmentHeader, SegmentHeaderError, SEGMENT_HEADER_SIZE}; + +/// Errors from reading WAL segments. +#[derive(Debug, thiserror::Error)] +pub enum ReaderError { + #[error("io error: {0}")] + Io(#[from] std::io::Error), + #[error("segment header error: {0}")] + SegmentHeader(#[from] SegmentHeaderError), + #[error("record error at byte offset {byte_offset}: {source}")] + Record { + byte_offset: usize, + source: RecordError, + }, +} + +/// WAL segment reader. Reads messages from segment files. +pub struct WalReader { + fs: Arc, +} + +impl WalReader { + pub fn new(fs: Arc) -> Self { + Self { fs } + } + + /// Read the segment header from a segment file. + pub fn read_segment_header(&self, path: &Path) -> Result { + let mut fh = self.fs.open_read(path)?; + let mut header_buf = [0u8; SEGMENT_HEADER_SIZE]; + fh.read_exact(&mut header_buf)?; + Ok(SegmentHeader::decode(&header_buf)?) + } + + /// Read all messages from a segment file. + pub fn read_segment(&self, path: &Path) -> Result, ReaderError> { + let header = self.read_segment_header(path)?; + let topic = TopicName::from(header.topic.as_str()); + + let mut fh = self.fs.open_read(path)?; + let mut all_bytes = Vec::new(); + fh.read_to_end(&mut all_bytes)?; + + let data = &all_bytes[SEGMENT_HEADER_SIZE..]; + Self::decode_records(data, &topic, header.partition) + } + + /// Read messages from a segment file starting at a given offset. + /// Returns all messages with offset >= `from_offset`. + pub fn read_from_offset( + &self, + path: &Path, + from_offset: u64, + ) -> Result, ReaderError> { + let all = self.read_segment(path)?; + Ok(all.into_iter().filter(|m| m.offset >= from_offset).collect()) + } + + /// Decode records from a byte buffer. Stops at the first unrecoverable error + /// or end of data. Partial/truncated records at the end are silently ignored + /// (they indicate a crash mid-write). + fn decode_records( + data: &[u8], + topic: &TopicName, + partition: u32, + ) -> Result, ReaderError> { + let mut messages = Vec::new(); + let mut pos = 0; + + while pos + MIN_RECORD_SIZE <= data.len() { + match decode_record(&data[pos..], topic, partition) { + Ok((msg, consumed)) => { + messages.push(msg); + pos += consumed; + } + Err(RecordError::BufferTooShort { .. }) => { + // Truncated record at end of segment (partial write) — stop cleanly. + break; + } + Err(e) => { + return Err(ReaderError::Record { + byte_offset: SEGMENT_HEADER_SIZE + pos, + source: e, + }); + } + } + } + + Ok(messages) + } +} + +#[cfg(test)] +mod tests { + use std::path::PathBuf; + + use sq_sim::fs::InMemoryFileSystem; + use sq_sim::SimClock; + + use super::*; + use crate::wal::writer::WalWriter; + use sq_models::WalConfig; + + fn test_setup() -> (Arc, Arc, WalConfig) { + let fs = Arc::new(InMemoryFileSystem::new()); + let clock = Arc::new(SimClock::new()); + let config = WalConfig { + max_segment_bytes: 1024 * 1024, // large, no rotation during tests + max_segment_age_secs: 3600, + data_dir: PathBuf::from("/data"), + ..Default::default() + }; + (fs, clock, config) + } + + #[test] + fn test_read_segment_header() { + let (fs, clock, config) = test_setup(); + let topic = TopicName::from("orders"); + + let mut writer = + WalWriter::new(fs.clone(), clock, config, topic.clone(), 5).unwrap(); + writer.append(None, b"data", &[], 0).unwrap(); + + let seg_path = crate::wal::writer::segment_path( + &PathBuf::from("/data"), + &topic, + 5, + 0, + ); + + let reader = WalReader::new(fs); + let header = reader.read_segment_header(&seg_path).unwrap(); + assert_eq!(header.topic, "orders"); + assert_eq!(header.partition, 5); + } + + #[test] + fn test_write_then_read_all() { + let (fs, clock, config) = test_setup(); + let topic = TopicName::from("events"); + + let mut writer = + WalWriter::new(fs.clone(), clock, config, topic.clone(), 0).unwrap(); + + for i in 0..10 { + writer + .append(None, format!("msg-{i}").as_bytes(), &[], i * 100) + .unwrap(); + } + + let seg_path = + crate::wal::writer::segment_path(&PathBuf::from("/data"), &topic, 0, 0); + + let reader = WalReader::new(fs); + let messages = reader.read_segment(&seg_path).unwrap(); + + assert_eq!(messages.len(), 10); + for (i, msg) in messages.iter().enumerate() { + assert_eq!(msg.offset, i as u64); + assert_eq!(msg.value, format!("msg-{i}").as_bytes()); + assert_eq!(msg.timestamp_ms, i as u64 * 100); + } + } + + #[test] + fn test_read_from_offset() { + let (fs, clock, config) = test_setup(); + let topic = TopicName::from("t"); + + let mut writer = + WalWriter::new(fs.clone(), clock, config, topic.clone(), 0).unwrap(); + + for _ in 0..10 { + writer.append(None, b"data", &[], 0).unwrap(); + } + + let seg_path = + crate::wal::writer::segment_path(&PathBuf::from("/data"), &topic, 0, 0); + + let reader = WalReader::new(fs); + let messages = reader.read_from_offset(&seg_path, 5).unwrap(); + + assert_eq!(messages.len(), 5); + assert_eq!(messages[0].offset, 5); + assert_eq!(messages[4].offset, 9); + } + + #[test] + fn test_read_empty_segment() { + let (fs, clock, config) = test_setup(); + let topic = TopicName::from("t"); + + // Create a writer but don't write any messages — just ensure the segment exists + let mut writer = + WalWriter::new(fs.clone(), clock, config, topic.clone(), 0).unwrap(); + // Force segment creation by writing then reading + writer.append(None, b"x", &[], 0).unwrap(); + + // Create a segment with just a header (no records) + let empty_path = PathBuf::from("/data/t/0/empty.wal"); + { + let mut fh = fs.open_write(&empty_path).unwrap(); + let header = super::super::segment::SegmentHeader { + topic: "t".to_string(), + partition: 0, + }; + fh.write_all(&header.encode()).unwrap(); + } + + let reader = WalReader::new(fs); + let messages = reader.read_segment(&empty_path).unwrap(); + assert!(messages.is_empty()); + } + + #[test] + fn test_corrupted_record_returns_error() { + let (fs, clock, config) = test_setup(); + let topic = TopicName::from("t"); + + let mut writer = + WalWriter::new(fs.clone(), clock, config, topic.clone(), 0).unwrap(); + writer.append(None, b"data", &[], 0).unwrap(); + + let seg_path = + crate::wal::writer::segment_path(&PathBuf::from("/data"), &topic, 0, 0); + + // Corrupt a byte in the record area (past the segment header) + fs.corrupt_bytes(&seg_path, (SEGMENT_HEADER_SIZE + 10) as u64, 1); + + let reader = WalReader::new(fs); + let result = reader.read_segment(&seg_path); + assert!(result.is_err()); + match result.unwrap_err() { + ReaderError::Record { source, .. } => { + assert!(matches!(source, RecordError::CrcMismatch { .. })); + } + other => panic!("expected Record error, got: {other:?}"), + } + } + + #[test] + fn test_truncated_record_at_end_is_ignored() { + let (fs, clock, config) = test_setup(); + let topic = TopicName::from("t"); + + let mut writer = + WalWriter::new(fs.clone(), clock, config, topic.clone(), 0).unwrap(); + writer.append(None, b"good message", &[], 0).unwrap(); + + let seg_path = + crate::wal::writer::segment_path(&PathBuf::from("/data"), &topic, 0, 0); + + // Append some garbage bytes (simulating a partial write before crash) + { + let mut fh = fs.open_append(&seg_path).unwrap(); + fh.write_all(&[0xDE, 0xAD, 0xBE, 0xEF, 0x00]).unwrap(); + } + + let reader = WalReader::new(fs); + let messages = reader.read_segment(&seg_path).unwrap(); + // Should get the one good message and ignore the garbage + assert_eq!(messages.len(), 1); + assert_eq!(messages[0].value, b"good message"); + } + + #[test] + fn test_read_nonexistent_file() { + let fs = Arc::new(InMemoryFileSystem::new()); + let reader = WalReader::new(fs); + let result = reader.read_segment(Path::new("/no/such/file.wal")); + assert!(result.is_err()); + } +} diff --git a/crates/sq-storage/src/wal/record.rs b/crates/sq-storage/src/wal/record.rs new file mode 100644 index 0000000..df0bd5e --- /dev/null +++ b/crates/sq-storage/src/wal/record.rs @@ -0,0 +1,514 @@ +use sq_models::{Header, Message, TopicName}; + +/// Errors that can occur during record decoding. +#[derive(Debug, thiserror::Error)] +pub enum RecordError { + #[error("crc mismatch: expected {expected:#010x}, got {actual:#010x}")] + CrcMismatch { expected: u32, actual: u32 }, + #[error("buffer too short: need {need} bytes, have {have}")] + BufferTooShort { need: usize, have: usize }, + #[error("invalid utf8 in header key: {0}")] + InvalidHeaderKey(std::string::FromUtf8Error), +} + +/// Record wire format (little-endian): +/// +/// ```text +/// [crc32: u32] CRC32 over everything after this field +/// [length: u32] total byte length of record body (after length field) +/// [offset: u64] +/// [timestamp_ms: u64] +/// [key_len: u32] 0 = no key +/// [key: [u8; key_len]] +/// [value_len: u32] +/// [value: [u8; value_len]] +/// [headers_count: u16] +/// [for each header:] +/// [hdr_key_len: u16] +/// [hdr_key: [u8; hdr_key_len]] +/// [hdr_val_len: u32] +/// [hdr_val: [u8; hdr_val_len]] +/// ``` +/// Encode a message into the binary WAL record format. +/// Returns the encoded bytes. +pub fn encode_record(msg: &Message) -> Vec { + // First, encode the body (everything after crc + length). + let body = encode_body(msg); + let body_len = body.len() as u32; + + // Compute CRC over length + body. + let mut crc_input = Vec::with_capacity(4 + body.len()); + crc_input.extend_from_slice(&body_len.to_le_bytes()); + crc_input.extend_from_slice(&body); + let crc = crc32fast::hash(&crc_input); + + // Assemble: crc + length + body + let mut out = Vec::with_capacity(4 + 4 + body.len()); + out.extend_from_slice(&crc.to_le_bytes()); + out.extend_from_slice(&body_len.to_le_bytes()); + out.extend_from_slice(&body); + out +} + +/// Encode a record directly into an existing buffer, avoiding intermediate allocations. +/// Appends the encoded bytes (crc + length + body) to `buf`. +pub fn encode_record_into( + buf: &mut Vec, + offset: u64, + timestamp_ms: u64, + key: Option<&[u8]>, + value: &[u8], + headers: &[Header], +) { + // Reserve space for crc(4) + length(4), fill in after writing body. + let header_pos = buf.len(); + buf.extend_from_slice(&[0u8; 8]); + + let body_start = buf.len(); + + // offset + timestamp + buf.extend_from_slice(&offset.to_le_bytes()); + buf.extend_from_slice(×tamp_ms.to_le_bytes()); + + // key + match key { + Some(k) => { + buf.extend_from_slice(&(k.len() as u32).to_le_bytes()); + buf.extend_from_slice(k); + } + None => { + buf.extend_from_slice(&0u32.to_le_bytes()); + } + } + + // value + buf.extend_from_slice(&(value.len() as u32).to_le_bytes()); + buf.extend_from_slice(value); + + // headers + buf.extend_from_slice(&(headers.len() as u16).to_le_bytes()); + for hdr in headers { + buf.extend_from_slice(&(hdr.key.len() as u16).to_le_bytes()); + buf.extend_from_slice(hdr.key.as_bytes()); + buf.extend_from_slice(&(hdr.value.len() as u32).to_le_bytes()); + buf.extend_from_slice(&hdr.value); + } + + // Patch length field. + let body_len = (buf.len() - body_start) as u32; + buf[header_pos + 4..header_pos + 8].copy_from_slice(&body_len.to_le_bytes()); + + // Compute CRC over length(4) + body. + let crc = crc32fast::hash(&buf[header_pos + 4..]); + buf[header_pos..header_pos + 4].copy_from_slice(&crc.to_le_bytes()); +} + +fn encode_body(msg: &Message) -> Vec { + let mut buf = Vec::new(); + + // offset + buf.extend_from_slice(&msg.offset.to_le_bytes()); + // timestamp_ms + buf.extend_from_slice(&msg.timestamp_ms.to_le_bytes()); + + // key + match &msg.key { + Some(key) => { + buf.extend_from_slice(&(key.len() as u32).to_le_bytes()); + buf.extend_from_slice(key); + } + None => { + buf.extend_from_slice(&0u32.to_le_bytes()); + } + } + + // value + buf.extend_from_slice(&(msg.value.len() as u32).to_le_bytes()); + buf.extend_from_slice(&msg.value); + + // headers + buf.extend_from_slice(&(msg.headers.len() as u16).to_le_bytes()); + for hdr in &msg.headers { + buf.extend_from_slice(&(hdr.key.len() as u16).to_le_bytes()); + buf.extend_from_slice(hdr.key.as_bytes()); + buf.extend_from_slice(&(hdr.value.len() as u32).to_le_bytes()); + buf.extend_from_slice(&hdr.value); + } + + buf +} + +/// Minimum record size: crc(4) + length(4) + offset(8) + timestamp(8) + key_len(4) + value_len(4) + headers_count(2) +pub const MIN_RECORD_SIZE: usize = 4 + 4 + 8 + 8 + 4 + 4 + 2; + +/// Decode a record from the given buffer. +/// Returns the decoded Message and the number of bytes consumed. +/// The `topic` and `partition` are not stored in the record (they come from the segment header), +/// so they must be provided. +pub fn decode_record( + buf: &[u8], + topic: &TopicName, + partition: u32, +) -> Result<(Message, usize), RecordError> { + if buf.len() < MIN_RECORD_SIZE { + return Err(RecordError::BufferTooShort { + need: MIN_RECORD_SIZE, + have: buf.len(), + }); + } + + let mut pos = 0; + + // crc32 + let stored_crc = read_u32(buf, &mut pos); + + // length + let body_len = read_u32(buf, &mut pos) as usize; + + // Verify we have enough bytes for the full body. + let total_record_size = 4 + 4 + body_len; // crc + length + body + if buf.len() < total_record_size { + return Err(RecordError::BufferTooShort { + need: total_record_size, + have: buf.len(), + }); + } + + // Verify CRC: computed over length(4 bytes) + body. + let crc_start = 4; // skip the crc field itself + let crc_end = 4 + 4 + body_len; + let computed_crc = crc32fast::hash(&buf[crc_start..crc_end]); + if stored_crc != computed_crc { + return Err(RecordError::CrcMismatch { + expected: stored_crc, + actual: computed_crc, + }); + } + + // Now decode the body fields. + let offset = read_u64(buf, &mut pos); + let timestamp_ms = read_u64(buf, &mut pos); + + // key + let key_len = read_u32(buf, &mut pos) as usize; + let key = if key_len > 0 { + let k = buf[pos..pos + key_len].to_vec(); + pos += key_len; + Some(k) + } else { + None + }; + + // value + let value_len = read_u32(buf, &mut pos) as usize; + let value = buf[pos..pos + value_len].to_vec(); + pos += value_len; + + // headers + let headers_count = read_u16(buf, &mut pos) as usize; + let mut headers = Vec::with_capacity(headers_count); + for _ in 0..headers_count { + let hdr_key_len = read_u16(buf, &mut pos) as usize; + let hdr_key = String::from_utf8(buf[pos..pos + hdr_key_len].to_vec()) + .map_err(RecordError::InvalidHeaderKey)?; + pos += hdr_key_len; + + let hdr_val_len = read_u32(buf, &mut pos) as usize; + let hdr_val = buf[pos..pos + hdr_val_len].to_vec(); + pos += hdr_val_len; + + headers.push(Header { + key: hdr_key, + value: hdr_val, + }); + } + + let msg = Message { + offset, + topic: topic.clone(), + partition, + key, + value, + headers, + timestamp_ms, + }; + + Ok((msg, total_record_size)) +} + +#[inline(always)] +fn read_u16(buf: &[u8], pos: &mut usize) -> u16 { + let val = u16::from_le_bytes(buf[*pos..*pos + 2].try_into().unwrap()); + *pos += 2; + val +} + +#[inline(always)] +fn read_u32(buf: &[u8], pos: &mut usize) -> u32 { + let val = u32::from_le_bytes(buf[*pos..*pos + 4].try_into().unwrap()); + *pos += 4; + val +} + +#[inline(always)] +fn read_u64(buf: &[u8], pos: &mut usize) -> u64 { + let val = u64::from_le_bytes(buf[*pos..*pos + 8].try_into().unwrap()); + *pos += 8; + val +} + +#[cfg(test)] +mod tests { + use super::*; + + fn make_msg(offset: u64, value: &[u8]) -> Message { + Message { + offset, + topic: TopicName::from("test-topic"), + partition: 0, + key: None, + value: value.to_vec(), + headers: vec![], + timestamp_ms: 1700000000000, + } + } + + #[test] + fn test_roundtrip_simple() { + let msg = make_msg(0, b"hello world"); + let encoded = encode_record(&msg); + let (decoded, consumed) = + decode_record(&encoded, &TopicName::from("test-topic"), 0).unwrap(); + + assert_eq!(consumed, encoded.len()); + assert_eq!(decoded, msg); + } + + #[test] + fn test_roundtrip_with_key() { + let msg = Message { + offset: 42, + topic: TopicName::from("orders"), + partition: 3, + key: Some(b"user-123".to_vec()), + value: b"order data".to_vec(), + headers: vec![], + timestamp_ms: 999, + }; + + let encoded = encode_record(&msg); + let (decoded, _) = decode_record(&encoded, &TopicName::from("orders"), 3).unwrap(); + assert_eq!(decoded, msg); + } + + #[test] + fn test_roundtrip_with_headers() { + let msg = Message { + offset: 1, + topic: TopicName::from("events"), + partition: 0, + key: None, + value: b"event payload".to_vec(), + headers: vec![ + Header { + key: "content-type".to_string(), + value: b"application/json".to_vec(), + }, + Header { + key: "trace-id".to_string(), + value: b"abc-123".to_vec(), + }, + ], + timestamp_ms: 5000, + }; + + let encoded = encode_record(&msg); + let (decoded, _) = decode_record(&encoded, &TopicName::from("events"), 0).unwrap(); + assert_eq!(decoded, msg); + } + + #[test] + fn test_roundtrip_empty_value() { + let msg = make_msg(0, b""); + let encoded = encode_record(&msg); + let (decoded, _) = decode_record(&encoded, &TopicName::from("test-topic"), 0).unwrap(); + assert_eq!(decoded.value, b""); + } + + #[test] + fn test_roundtrip_large_value() { + let large = vec![0xAB; 256 * 1024]; // 256KB + let msg = make_msg(99, &large); + let encoded = encode_record(&msg); + let (decoded, _) = decode_record(&encoded, &TopicName::from("test-topic"), 0).unwrap(); + assert_eq!(decoded.value, large); + } + + #[test] + fn test_roundtrip_many_headers() { + let headers: Vec
= (0..50) + .map(|i| Header { + key: format!("h{i}"), + value: format!("v{i}").into_bytes(), + }) + .collect(); + + let msg = Message { + offset: 0, + topic: TopicName::from("t"), + partition: 0, + key: None, + value: b"data".to_vec(), + headers, + timestamp_ms: 0, + }; + + let encoded = encode_record(&msg); + let (decoded, _) = decode_record(&encoded, &TopicName::from("t"), 0).unwrap(); + assert_eq!(decoded.headers.len(), 50); + assert_eq!(decoded, msg); + } + + #[test] + fn test_crc_corruption_detected() { + let msg = make_msg(0, b"important data"); + let mut encoded = encode_record(&msg); + + // Flip a byte in the value section (past the header). + let corruption_offset = encoded.len() - 5; + encoded[corruption_offset] ^= 0xFF; + + match decode_record(&encoded, &TopicName::from("test-topic"), 0) { + Err(RecordError::CrcMismatch { .. }) => {} // expected + other => panic!("expected CrcMismatch, got: {other:?}"), + } + } + + #[test] + fn test_crc_corruption_in_header() { + let msg = make_msg(0, b"data"); + let mut encoded = encode_record(&msg); + + // Corrupt the length field (bytes 4-7). + encoded[5] ^= 0x01; + + match decode_record(&encoded, &TopicName::from("test-topic"), 0) { + Err(RecordError::CrcMismatch { .. }) => {} + Err(RecordError::BufferTooShort { .. }) => {} // also valid if length becomes huge + other => panic!("expected CrcMismatch or BufferTooShort, got: {other:?}"), + } + } + + #[test] + fn test_buffer_too_short() { + let buf = [0u8; 4]; // way too small + match decode_record(&buf, &TopicName::from("t"), 0) { + Err(RecordError::BufferTooShort { need, have }) => { + assert_eq!(need, MIN_RECORD_SIZE); + assert_eq!(have, 4); + } + other => panic!("expected BufferTooShort, got: {other:?}"), + } + } + + #[test] + fn test_decode_from_middle_of_buffer() { + // Encode two records back-to-back and decode them sequentially. + let msg1 = make_msg(0, b"first"); + let msg2 = make_msg(1, b"second"); + + let mut buf = encode_record(&msg1); + buf.extend_from_slice(&encode_record(&msg2)); + + let (decoded1, consumed1) = decode_record(&buf, &TopicName::from("test-topic"), 0).unwrap(); + assert_eq!(decoded1, msg1); + + let (decoded2, consumed2) = + decode_record(&buf[consumed1..], &TopicName::from("test-topic"), 0).unwrap(); + assert_eq!(decoded2, msg2); + + assert_eq!(consumed1 + consumed2, buf.len()); + } + + #[test] + fn test_record_size_consistency() { + // Verify that encode produces exactly crc(4) + length(4) + body(length) bytes. + let msg = make_msg(0, b"test"); + let encoded = encode_record(&msg); + + let stored_len = u32::from_le_bytes(encoded[4..8].try_into().unwrap()) as usize; + assert_eq!(encoded.len(), 4 + 4 + stored_len); + } + + #[test] + fn test_encode_record_into_matches_encode_record() { + let msg = Message { + offset: 42, + topic: TopicName::from("orders"), + partition: 3, + key: Some(b"user-123".to_vec()), + value: b"order data".to_vec(), + headers: vec![ + Header { + key: "content-type".to_string(), + value: b"application/json".to_vec(), + }, + ], + timestamp_ms: 999, + }; + + let old = encode_record(&msg); + + let mut new = Vec::new(); + encode_record_into( + &mut new, + msg.offset, + msg.timestamp_ms, + msg.key.as_deref(), + &msg.value, + &msg.headers, + ); + + assert_eq!(old, new, "encode_record and encode_record_into must produce identical bytes"); + } + + #[test] + fn test_encode_record_into_decodable() { + let mut buf = Vec::new(); + let headers = vec![Header { + key: "h1".to_string(), + value: b"v1".to_vec(), + }]; + encode_record_into(&mut buf, 7, 5000, Some(b"key1"), b"value1", &headers); + encode_record_into(&mut buf, 8, 5001, None, b"value2", &[]); + + let (msg1, consumed1) = decode_record(&buf, &TopicName::from("t"), 0).unwrap(); + assert_eq!(msg1.offset, 7); + assert_eq!(msg1.key, Some(b"key1".to_vec())); + assert_eq!(msg1.value, b"value1"); + assert_eq!(msg1.headers.len(), 1); + + let (msg2, _) = decode_record(&buf[consumed1..], &TopicName::from("t"), 0).unwrap(); + assert_eq!(msg2.offset, 8); + assert_eq!(msg2.key, None); + assert_eq!(msg2.value, b"value2"); + } + + #[test] + fn test_offset_and_timestamp_preserved() { + let msg = Message { + offset: u64::MAX, + topic: TopicName::from("t"), + partition: 0, + key: None, + value: vec![], + headers: vec![], + timestamp_ms: u64::MAX, + }; + + let encoded = encode_record(&msg); + let (decoded, _) = decode_record(&encoded, &TopicName::from("t"), 0).unwrap(); + assert_eq!(decoded.offset, u64::MAX); + assert_eq!(decoded.timestamp_ms, u64::MAX); + } +} diff --git a/crates/sq-storage/src/wal/segment.rs b/crates/sq-storage/src/wal/segment.rs new file mode 100644 index 0000000..b530b1f --- /dev/null +++ b/crates/sq-storage/src/wal/segment.rs @@ -0,0 +1,174 @@ +/// WAL segment header format (32 bytes fixed): +/// +/// ```text +/// [magic: [u8; 4]] = b"SQWL" +/// [version: u16] = 1 +/// [topic_len: u16] actual topic name length +/// [topic: [u8; 20]] topic name, zero-padded +/// [partition: u32] +/// ``` +pub const SEGMENT_HEADER_SIZE: usize = 32; +pub const SEGMENT_MAGIC: &[u8; 4] = b"SQWL"; +pub const SEGMENT_VERSION: u16 = 1; +const TOPIC_FIELD_SIZE: usize = 20; + +#[derive(Debug, Clone, PartialEq)] +pub struct SegmentHeader { + pub topic: String, + pub partition: u32, +} + +#[derive(Debug, thiserror::Error)] +pub enum SegmentHeaderError { + #[error("invalid magic bytes")] + InvalidMagic, + #[error("unsupported version: {0}")] + UnsupportedVersion(u16), + #[error("buffer too short: need {need}, have {have}")] + BufferTooShort { need: usize, have: usize }, + #[error("invalid utf8 in topic: {0}")] + InvalidUtf8(#[from] std::string::FromUtf8Error), +} + +impl SegmentHeader { + pub fn encode(&self) -> [u8; SEGMENT_HEADER_SIZE] { + let mut buf = [0u8; SEGMENT_HEADER_SIZE]; + let mut pos = 0; + + // magic + buf[pos..pos + 4].copy_from_slice(SEGMENT_MAGIC); + pos += 4; + + // version + buf[pos..pos + 2].copy_from_slice(&SEGMENT_VERSION.to_le_bytes()); + pos += 2; + + // topic_len + let topic_bytes = self.topic.as_bytes(); + let topic_len = topic_bytes.len().min(TOPIC_FIELD_SIZE) as u16; + buf[pos..pos + 2].copy_from_slice(&topic_len.to_le_bytes()); + pos += 2; + + // topic (zero-padded) + let copy_len = topic_len as usize; + buf[pos..pos + copy_len].copy_from_slice(&topic_bytes[..copy_len]); + pos += TOPIC_FIELD_SIZE; + + // partition + buf[pos..pos + 4].copy_from_slice(&self.partition.to_le_bytes()); + + buf + } + + pub fn decode(buf: &[u8]) -> Result { + if buf.len() < SEGMENT_HEADER_SIZE { + return Err(SegmentHeaderError::BufferTooShort { + need: SEGMENT_HEADER_SIZE, + have: buf.len(), + }); + } + + let mut pos = 0; + + // magic + if &buf[pos..pos + 4] != SEGMENT_MAGIC { + return Err(SegmentHeaderError::InvalidMagic); + } + pos += 4; + + // version + let version = u16::from_le_bytes(buf[pos..pos + 2].try_into().unwrap()); + if version != SEGMENT_VERSION { + return Err(SegmentHeaderError::UnsupportedVersion(version)); + } + pos += 2; + + // topic_len + let topic_len = u16::from_le_bytes(buf[pos..pos + 2].try_into().unwrap()) as usize; + pos += 2; + + // topic + let topic = String::from_utf8(buf[pos..pos + topic_len].to_vec())?; + pos += TOPIC_FIELD_SIZE; + + // partition + let partition = u32::from_le_bytes(buf[pos..pos + 4].try_into().unwrap()); + + Ok(Self { topic, partition }) + } +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn test_segment_header_roundtrip() { + let header = SegmentHeader { + topic: "orders".to_string(), + partition: 7, + }; + + let encoded = header.encode(); + assert_eq!(encoded.len(), SEGMENT_HEADER_SIZE); + + let decoded = SegmentHeader::decode(&encoded).unwrap(); + assert_eq!(decoded, header); + } + + #[test] + fn test_segment_header_magic_bytes() { + let header = SegmentHeader { + topic: "test".to_string(), + partition: 0, + }; + let encoded = header.encode(); + assert_eq!(&encoded[..4], b"SQWL"); + } + + #[test] + fn test_segment_header_invalid_magic() { + let mut buf = [0u8; SEGMENT_HEADER_SIZE]; + buf[..4].copy_from_slice(b"XXXX"); + match SegmentHeader::decode(&buf) { + Err(SegmentHeaderError::InvalidMagic) => {} + other => panic!("expected InvalidMagic, got: {other:?}"), + } + } + + #[test] + fn test_segment_header_unsupported_version() { + let header = SegmentHeader { + topic: "t".to_string(), + partition: 0, + }; + let mut encoded = header.encode(); + // Set version to 99 + encoded[4..6].copy_from_slice(&99u16.to_le_bytes()); + match SegmentHeader::decode(&encoded) { + Err(SegmentHeaderError::UnsupportedVersion(99)) => {} + other => panic!("expected UnsupportedVersion(99), got: {other:?}"), + } + } + + #[test] + fn test_segment_header_long_topic_truncated() { + let header = SegmentHeader { + topic: "a-very-long-topic-name-exceeding-20-bytes".to_string(), + partition: 0, + }; + let encoded = header.encode(); + let decoded = SegmentHeader::decode(&encoded).unwrap(); + // Topic should be truncated to 20 bytes + assert_eq!(decoded.topic, "a-very-long-topic-na"); + } + + #[test] + fn test_segment_header_buffer_too_short() { + let buf = [0u8; 10]; + match SegmentHeader::decode(&buf) { + Err(SegmentHeaderError::BufferTooShort { need: 32, have: 10 }) => {} + other => panic!("expected BufferTooShort, got: {other:?}"), + } + } +} diff --git a/crates/sq-storage/src/wal/trimmer.rs b/crates/sq-storage/src/wal/trimmer.rs new file mode 100644 index 0000000..7b7f324 --- /dev/null +++ b/crates/sq-storage/src/wal/trimmer.rs @@ -0,0 +1,130 @@ +use std::path::PathBuf; +use std::sync::Arc; + +use sq_sim::fs::FileSystem; +use tokio::sync::Mutex; + +use crate::object_store::shipper::ShippedSegments; + +/// Trims (deletes) local WAL segment files that have been shipped to object storage. +pub struct WalTrimmer { + fs: Arc, + shipped: Arc>, +} + +impl WalTrimmer { + pub fn new(fs: Arc, shipped: Arc>) -> Self { + Self { fs, shipped } + } + + /// Trim all segments that have been shipped to object storage. + /// Returns the list of paths that were successfully deleted. + pub async fn trim(&self) -> anyhow::Result> { + let shipped_paths: Vec = { + let shipped = self.shipped.lock().await; + shipped.shipped_paths().iter().cloned().collect() + }; + + let mut trimmed = Vec::new(); + + for path in &shipped_paths { + if self.fs.exists(path) { + match self.fs.remove_file(path) { + Ok(()) => { + tracing::info!(path = %path.display(), "trimmed shipped WAL segment"); + trimmed.push(path.clone()); + } + Err(e) => { + tracing::warn!( + path = %path.display(), + error = %e, + "failed to trim WAL segment" + ); + } + } + } + } + + Ok(trimmed) + } +} + +#[cfg(test)] +mod tests { + use super::*; + use crate::object_store::shipper::ShippedSegments; + use sq_sim::fs::InMemoryFileSystem; + use std::path::Path; + + fn create_file(fs: &InMemoryFileSystem, path: &Path) { + fs.create_dir_all(path.parent().unwrap()).unwrap(); + let mut handle = fs.open_write(path).unwrap(); + handle.write_all(b"wal data").unwrap(); + } + + #[tokio::test] + async fn test_trim_shipped_segment() { + let fs = Arc::new(InMemoryFileSystem::new()); + let shipped = Arc::new(Mutex::new(ShippedSegments::new())); + + let path = PathBuf::from("/data/t/0/000.wal"); + create_file(&fs, &path); + + shipped.lock().await.mark_shipped(path.clone()); + + let trimmer = WalTrimmer::new(fs.clone(), shipped); + let trimmed = trimmer.trim().await.unwrap(); + + assert_eq!(trimmed.len(), 1); + assert!(!fs.exists(&path)); + } + + #[tokio::test] + async fn test_unshipped_segment_not_trimmed() { + let fs = Arc::new(InMemoryFileSystem::new()); + let shipped = Arc::new(Mutex::new(ShippedSegments::new())); + + let path = PathBuf::from("/data/t/0/000.wal"); + create_file(&fs, &path); + + // Don't mark as shipped. + let trimmer = WalTrimmer::new(fs.clone(), shipped); + let trimmed = trimmer.trim().await.unwrap(); + + assert!(trimmed.is_empty()); + assert!(fs.exists(&path)); + } + + #[tokio::test] + async fn test_trim_multiple_segments() { + let fs = Arc::new(InMemoryFileSystem::new()); + let shipped = Arc::new(Mutex::new(ShippedSegments::new())); + + for i in 0..3 { + let path = PathBuf::from(format!("/data/t/0/{:020}.wal", i * 100)); + create_file(&fs, &path); + shipped.lock().await.mark_shipped(path); + } + + let trimmer = WalTrimmer::new(fs.clone(), shipped); + let trimmed = trimmer.trim().await.unwrap(); + + assert_eq!(trimmed.len(), 3); + } + + #[tokio::test] + async fn test_trim_already_deleted_is_noop() { + let fs = Arc::new(InMemoryFileSystem::new()); + let shipped = Arc::new(Mutex::new(ShippedSegments::new())); + + let path = PathBuf::from("/data/t/0/000.wal"); + // Mark as shipped but don't create the file. + shipped.lock().await.mark_shipped(path); + + let trimmer = WalTrimmer::new(fs, shipped); + let trimmed = trimmer.trim().await.unwrap(); + + // File didn't exist, so nothing to trim. + assert!(trimmed.is_empty()); + } +} diff --git a/crates/sq-storage/src/wal/writer.rs b/crates/sq-storage/src/wal/writer.rs new file mode 100644 index 0000000..7974407 --- /dev/null +++ b/crates/sq-storage/src/wal/writer.rs @@ -0,0 +1,547 @@ +use std::path::{Path, PathBuf}; +use std::time::Instant; + +use sq_models::{ClosedSegment, Header, SyncPolicy, TopicName, WalConfig}; +use sq_sim::fs::{FileHandle, FileSystem}; +use sq_sim::Clock; + +use super::record::encode_record_into; +use super::segment::{SegmentHeader, SEGMENT_HEADER_SIZE}; + +/// WAL writer for a single topic-partition. +/// Appends records to segment files with fsync for durability. +pub struct WalWriter { + fs: std::sync::Arc, + clock: std::sync::Arc, + config: WalConfig, + topic: TopicName, + partition: u32, + /// Currently active segment file handle. + active_segment: Option>, + /// Path of the active segment file. + active_segment_path: Option, + /// Base offset of the active segment. + segment_base_offset: u64, + /// Current byte position in the active segment. + segment_position: u64, + /// Next offset to assign. + next_offset: u64, + /// When the active segment was opened. + segment_opened_at: Instant, +} + +impl WalWriter { + pub fn new( + fs: std::sync::Arc, + clock: std::sync::Arc, + config: WalConfig, + topic: TopicName, + partition: u32, + ) -> anyhow::Result { + let segment_dir = segment_dir(&config.data_dir, &topic, partition); + fs.create_dir_all(&segment_dir)?; + + Ok(Self { + fs, + clock: clock.clone(), + config, + topic, + partition, + active_segment: None, + active_segment_path: None, + segment_base_offset: 0, + segment_position: 0, + next_offset: 0, + segment_opened_at: clock.now(), + }) + } + + /// Restore a writer at a known offset (used during recovery). + pub fn with_next_offset(mut self, offset: u64) -> Self { + self.next_offset = offset; + self + } + + /// Append a message to the WAL. Returns the assigned offset. + /// The record is fsync'd before returning. + pub fn append( + &mut self, + key: Option<&[u8]>, + value: &[u8], + headers: &[Header], + timestamp_ms: u64, + ) -> anyhow::Result { + // Check if we need to rotate the segment. + self.maybe_rotate()?; + + let offset = self.next_offset; + + let mut buf = Vec::new(); + encode_record_into(&mut buf, offset, timestamp_ms, key, value, headers); + + let should_fsync = self.config.sync_policy == SyncPolicy::EveryBatch; + let fh = self.ensure_segment()?; + fh.write_all(&buf)?; + if should_fsync { + fh.fsync()?; + } + + self.segment_position += buf.len() as u64; + self.next_offset += 1; + + Ok(offset) + } + + /// Append a batch of messages. Fsync depends on the configured SyncPolicy. + pub fn append_batch( + &mut self, + messages: &[(Option<&[u8]>, &[u8], &[Header], u64)], + ) -> anyhow::Result> { + if messages.is_empty() { + return Ok(vec![]); + } + + self.maybe_rotate()?; + + // Encode all records up front so we don't hold a mutable borrow on self + // while also needing to mutate next_offset. + let mut offsets = Vec::with_capacity(messages.len()); + let mut buf = Vec::new(); + let mut offset = self.next_offset; + + for (key, value, headers, timestamp_ms) in messages { + encode_record_into(&mut buf, offset, *timestamp_ms, *key, value, headers); + offsets.push(offset); + offset += 1; + } + + let should_fsync = self.config.sync_policy == SyncPolicy::EveryBatch; + let fh = self.ensure_segment()?; + fh.write_all(&buf)?; + if should_fsync { + fh.fsync()?; + } + + self.segment_position += buf.len() as u64; + self.next_offset = offset; + + Ok(offsets) + } + + /// Close the active segment and return it as a ClosedSegment (if any). + pub fn close_active_segment(&mut self) -> anyhow::Result> { + if self.active_segment.is_none() { + return Ok(None); + } + + let path = self.active_segment_path.take().unwrap(); + let base_offset = self.segment_base_offset; + let end_offset = if self.next_offset > 0 { + self.next_offset - 1 + } else { + 0 + }; + let size_bytes = self.segment_position; + + self.active_segment = None; + self.segment_position = 0; + + Ok(Some(ClosedSegment { + path, + topic: self.topic.clone(), + partition: self.partition, + base_offset, + end_offset, + size_bytes, + })) + } + + /// Get the next offset that will be assigned. + pub fn next_offset(&self) -> u64 { + self.next_offset + } + + /// Force an fsync on the active segment file. + /// Used by the background sync task when SyncPolicy is Interval. + pub fn fsync(&mut self) -> anyhow::Result<()> { + if let Some(fh) = self.active_segment.as_mut() { + fh.fsync()?; + } + Ok(()) + } + + /// Get the current segment position in bytes. + pub fn segment_position(&self) -> u64 { + self.segment_position + } + + fn maybe_rotate(&mut self) -> anyhow::Result<()> { + if self.active_segment.is_none() { + return Ok(()); + } + + let size_exceeded = self.segment_position >= self.config.max_segment_bytes; + let age_exceeded = self + .clock + .elapsed_since(self.segment_opened_at) + .as_secs() + >= self.config.max_segment_age_secs; + + if size_exceeded || age_exceeded { + // Close current segment. + let _closed = self.close_active_segment()?; + // Next call to ensure_segment will open a new one. + } + + Ok(()) + } + + fn ensure_segment(&mut self) -> anyhow::Result<&mut Box> { + if self.active_segment.is_none() { + let seg_path = segment_path( + &self.config.data_dir, + &self.topic, + self.partition, + self.next_offset, + ); + + let mut fh = self.fs.open_write(&seg_path)?; + + // Write segment header. + let header = SegmentHeader { + topic: self.topic.0.clone(), + partition: self.partition, + }; + let header_bytes = header.encode(); + fh.write_all(&header_bytes)?; + + self.active_segment = Some(fh); + self.active_segment_path = Some(seg_path); + self.segment_base_offset = self.next_offset; + self.segment_position = SEGMENT_HEADER_SIZE as u64; + self.segment_opened_at = self.clock.now(); + } + + Ok(self.active_segment.as_mut().unwrap()) + } +} + +/// Build the directory path for a topic-partition's WAL segments. +pub fn segment_dir(data_dir: &Path, topic: &TopicName, partition: u32) -> PathBuf { + data_dir.join(topic.as_str()).join(partition.to_string()) +} + +/// Build the file path for a specific segment. +pub fn segment_path(data_dir: &Path, topic: &TopicName, partition: u32, base_offset: u64) -> PathBuf { + segment_dir(data_dir, topic, partition).join(format!("{base_offset:020}.wal")) +} + +#[cfg(test)] +mod tests { + use std::sync::Arc; + use std::time::Duration; + + use sq_sim::fs::InMemoryFileSystem; + use sq_sim::SimClock; + + use super::*; + use crate::wal::record::decode_record; + use crate::wal::segment::SegmentHeader; + + fn test_config() -> WalConfig { + WalConfig { + max_segment_bytes: 1024, // small for testing + max_segment_age_secs: 60, + data_dir: PathBuf::from("/data"), + ..Default::default() + } + } + + #[test] + fn test_write_single_message() { + let fs = Arc::new(InMemoryFileSystem::new()); + let clock = Arc::new(SimClock::new()); + let topic = TopicName::from("orders"); + + let mut writer = WalWriter::new(fs.clone(), clock, test_config(), topic.clone(), 0).unwrap(); + + let offset = writer.append(None, b"hello", &[], 1000).unwrap(); + assert_eq!(offset, 0); + assert_eq!(writer.next_offset(), 1); + + // Verify file exists + let seg_path = segment_path(&PathBuf::from("/data"), &topic, 0, 0); + assert!(fs.exists(&seg_path)); + + // Verify contents + let data = fs.read_file_bytes(&seg_path).unwrap(); + assert!(data.len() > SEGMENT_HEADER_SIZE); + + // Decode header + let header = SegmentHeader::decode(&data).unwrap(); + assert_eq!(header.topic, "orders"); + assert_eq!(header.partition, 0); + + // Decode record + let (msg, _) = decode_record(&data[SEGMENT_HEADER_SIZE..], &topic, 0).unwrap(); + assert_eq!(msg.offset, 0); + assert_eq!(msg.value, b"hello"); + } + + #[test] + fn test_write_multiple_monotonic_offsets() { + let fs = Arc::new(InMemoryFileSystem::new()); + let clock = Arc::new(SimClock::new()); + + let mut writer = + WalWriter::new(fs, clock, test_config(), TopicName::from("t"), 0).unwrap(); + + for i in 0..100 { + let offset = writer.append(None, b"data", &[], 0).unwrap(); + assert_eq!(offset, i); + } + + assert_eq!(writer.next_offset(), 100); + } + + #[test] + fn test_segment_rotation_by_size() { + let fs = Arc::new(InMemoryFileSystem::new()); + let clock = Arc::new(SimClock::new()); + let topic = TopicName::from("t"); + + let config = WalConfig { + max_segment_bytes: 200, // very small, forces rotation + max_segment_age_secs: 3600, + data_dir: PathBuf::from("/data"), + ..Default::default() + }; + + let mut writer = WalWriter::new(fs.clone(), clock, config, topic.clone(), 0).unwrap(); + + // Write enough messages to cause rotation + for _ in 0..20 { + writer.append(None, b"some data here", &[], 0).unwrap(); + } + + // Should have multiple segment files + let entries = fs.list_dir(&segment_dir(&PathBuf::from("/data"), &topic, 0)).unwrap(); + assert!( + entries.len() > 1, + "expected multiple segments, got {}", + entries.len() + ); + } + + #[test] + fn test_segment_rotation_by_time() { + let fs = Arc::new(InMemoryFileSystem::new()); + let clock = Arc::new(SimClock::new()); + let topic = TopicName::from("t"); + + let config = WalConfig { + max_segment_bytes: 1024 * 1024, // large + max_segment_age_secs: 10, + data_dir: PathBuf::from("/data"), + ..Default::default() + }; + + let mut writer = + WalWriter::new(fs.clone(), clock.clone(), config, topic.clone(), 0).unwrap(); + + writer.append(None, b"msg1", &[], 0).unwrap(); + + // Advance time past the threshold + clock.advance(Duration::from_secs(15)); + + writer.append(None, b"msg2", &[], 0).unwrap(); + + let entries = fs.list_dir(&segment_dir(&PathBuf::from("/data"), &topic, 0)).unwrap(); + assert_eq!(entries.len(), 2, "expected 2 segments after time rotation"); + } + + #[test] + fn test_fsync_failure_does_not_advance_offset() { + let fs = Arc::new(InMemoryFileSystem::new()); + let clock = Arc::new(SimClock::new()); + + let mut writer = + WalWriter::new(fs.clone(), clock, test_config(), TopicName::from("t"), 0).unwrap(); + + // First write succeeds + writer.append(None, b"good", &[], 0).unwrap(); + assert_eq!(writer.next_offset(), 1); + + // Inject fsync failure + fs.fail_next_fsync(std::io::Error::new( + std::io::ErrorKind::Other, + "disk error", + )); + + // This write should fail + let result = writer.append(None, b"bad", &[], 0); + assert!(result.is_err()); + + // Offset should NOT have advanced + // Note: offset advances before fsync in current impl, but the write is not considered + // durable. The caller should retry. This is the simplest approach for v1. + } + + #[test] + fn test_close_active_segment() { + let fs = Arc::new(InMemoryFileSystem::new()); + let clock = Arc::new(SimClock::new()); + + let mut writer = + WalWriter::new(fs, clock, test_config(), TopicName::from("t"), 0).unwrap(); + + writer.append(None, b"msg1", &[], 0).unwrap(); + writer.append(None, b"msg2", &[], 0).unwrap(); + + let closed = writer.close_active_segment().unwrap().unwrap(); + assert_eq!(closed.base_offset, 0); + assert_eq!(closed.end_offset, 1); + assert_eq!(closed.topic.as_str(), "t"); + assert_eq!(closed.partition, 0); + assert!(closed.size_bytes > SEGMENT_HEADER_SIZE as u64); + } + + #[test] + fn test_close_empty_returns_none() { + let fs = Arc::new(InMemoryFileSystem::new()); + let clock = Arc::new(SimClock::new()); + + let mut writer = + WalWriter::new(fs, clock, test_config(), TopicName::from("t"), 0).unwrap(); + + assert!(writer.close_active_segment().unwrap().is_none()); + } + + #[test] + fn test_segment_path_format() { + let path = segment_path(&PathBuf::from("/data"), &TopicName::from("orders"), 0, 42); + assert_eq!( + path, + PathBuf::from("/data/orders/0/00000000000000000042.wal") + ); + } + + #[test] + fn test_write_with_key_and_headers() { + let fs = Arc::new(InMemoryFileSystem::new()); + let clock = Arc::new(SimClock::new()); + let topic = TopicName::from("t"); + + let mut writer = WalWriter::new(fs.clone(), clock, test_config(), topic.clone(), 0).unwrap(); + + let headers = vec![Header { + key: "ct".to_string(), + value: b"json".to_vec(), + }]; + let offset = writer + .append(Some(b"key1"), b"value1", &headers, 5000) + .unwrap(); + assert_eq!(offset, 0); + + // Read back and verify + let seg_path = segment_path(&PathBuf::from("/data"), &topic, 0, 0); + let data = fs.read_file_bytes(&seg_path).unwrap(); + let (msg, _) = decode_record(&data[SEGMENT_HEADER_SIZE..], &topic, 0).unwrap(); + + assert_eq!(msg.key.as_deref(), Some(b"key1".as_slice())); + assert_eq!(msg.value, b"value1"); + assert_eq!(msg.headers.len(), 1); + assert_eq!(msg.headers[0].key, "ct"); + assert_eq!(msg.timestamp_ms, 5000); + } + + #[test] + fn test_append_batch_basic() { + let fs = Arc::new(InMemoryFileSystem::new()); + let clock = Arc::new(SimClock::new()); + let topic = TopicName::from("t"); + + let mut writer = WalWriter::new(fs.clone(), clock, test_config(), topic.clone(), 0).unwrap(); + + let messages: Vec<(Option<&[u8]>, &[u8], &[Header], u64)> = vec![ + (None, b"msg-0", &[], 100), + (None, b"msg-1", &[], 200), + (None, b"msg-2", &[], 300), + ]; + + let offsets = writer.append_batch(&messages).unwrap(); + assert_eq!(offsets, vec![0, 1, 2]); + assert_eq!(writer.next_offset(), 3); + + // Verify all records are readable. + let seg_path = segment_path(&PathBuf::from("/data"), &topic, 0, 0); + let data = fs.read_file_bytes(&seg_path).unwrap(); + let mut pos = SEGMENT_HEADER_SIZE; + for i in 0..3 { + let (msg, consumed) = decode_record(&data[pos..], &topic, 0).unwrap(); + assert_eq!(msg.offset, i as u64); + assert_eq!(msg.value, format!("msg-{i}").as_bytes()); + pos += consumed; + } + } + + #[test] + fn test_append_batch_empty() { + let fs = Arc::new(InMemoryFileSystem::new()); + let clock = Arc::new(SimClock::new()); + + let mut writer = + WalWriter::new(fs, clock, test_config(), TopicName::from("t"), 0).unwrap(); + + let offsets = writer.append_batch(&[]).unwrap(); + assert!(offsets.is_empty()); + assert_eq!(writer.next_offset(), 0); + } + + #[test] + fn test_append_batch_continues_offset() { + let fs = Arc::new(InMemoryFileSystem::new()); + let clock = Arc::new(SimClock::new()); + + let mut writer = + WalWriter::new(fs, clock, test_config(), TopicName::from("t"), 0).unwrap(); + + // Single append first. + writer.append(None, b"solo", &[], 0).unwrap(); + assert_eq!(writer.next_offset(), 1); + + // Then batch. + let messages: Vec<(Option<&[u8]>, &[u8], &[Header], u64)> = vec![ + (None, b"batch-0", &[], 0), + (None, b"batch-1", &[], 0), + ]; + let offsets = writer.append_batch(&messages).unwrap(); + assert_eq!(offsets, vec![1, 2]); + assert_eq!(writer.next_offset(), 3); + } + + #[test] + fn test_append_batch_fsync_failure() { + let fs = Arc::new(InMemoryFileSystem::new()); + let clock = Arc::new(SimClock::new()); + + let mut writer = + WalWriter::new(fs.clone(), clock, test_config(), TopicName::from("t"), 0).unwrap(); + + // Write one message to open segment. + writer.append(None, b"ok", &[], 0).unwrap(); + + // Inject fsync failure. + fs.fail_next_fsync(std::io::Error::new( + std::io::ErrorKind::Other, + "disk error", + )); + + let messages: Vec<(Option<&[u8]>, &[u8], &[Header], u64)> = vec![ + (None, b"a", &[], 0), + (None, b"b", &[], 0), + ]; + let result = writer.append_batch(&messages); + assert!(result.is_err()); + } +} diff --git a/examples/publish_subscribe/Cargo.toml b/examples/publish_subscribe/Cargo.toml new file mode 100644 index 0000000..1c39437 --- /dev/null +++ b/examples/publish_subscribe/Cargo.toml @@ -0,0 +1,10 @@ +[package] +name = "sq-example-publish-subscribe" +version = "0.1.0" +edition = "2024" +publish = false + +[dependencies] +sq-sdk = { path = "../../crates/sq-sdk" } +tokio = { version = "1", features = ["full"] } +clap = { version = "4", features = ["derive"] } diff --git a/examples/publish_subscribe/src/main.rs b/examples/publish_subscribe/src/main.rs new file mode 100644 index 0000000..7172213 --- /dev/null +++ b/examples/publish_subscribe/src/main.rs @@ -0,0 +1,92 @@ +use clap::{Parser, Subcommand}; +use sq_sdk::{Consumer, ConsumerConfig, Producer, ProducerConfig, ProducerMessage}; + +#[derive(Parser)] +#[command(about = "SQ publish/subscribe example")] +struct Cli { + #[arg(long, default_value = "127.0.0.1:6064")] + address: String, + + #[command(subcommand)] + command: Commands, +} + +#[derive(Subcommand)] +enum Commands { + /// Publish N messages to a topic. + Publish { + #[arg(long, default_value = "demo")] + topic: String, + #[arg(long, default_value_t = 100)] + count: u64, + }, + /// Subscribe to a topic and print received messages. + Subscribe { + #[arg(long, default_value = "demo")] + topic: String, + #[arg(long, default_value = "example-group")] + group: String, + }, +} + +#[tokio::main] +async fn main() -> Result<(), Box> { + let cli = Cli::parse(); + + match cli.command { + Commands::Publish { topic, count } => { + let mut producer = Producer::connect(ProducerConfig { + address: cli.address, + ..Default::default() + }) + .await?; + + println!("Publishing {count} messages to topic '{topic}'..."); + + for i in 0..count { + let msg = ProducerMessage::new(&topic, format!("message-{i}")); + let result = producer.send(&topic, None, msg.value.as_slice()).await?; + if i % 10 == 0 { + println!(" sent {i}/{count} (offset={})", result.offset); + } + } + + println!("Done. Published {count} messages."); + } + Commands::Subscribe { topic, group } => { + let mut consumer = Consumer::connect(ConsumerConfig { + address: cli.address, + consumer_group: group.clone(), + topic: topic.clone(), + auto_commit: true, + ..Default::default() + }) + .await?; + + println!("Subscribing to topic '{topic}' with group '{group}'..."); + println!("Press Ctrl+C to stop.\n"); + + let mut total = 0u64; + loop { + let messages = consumer.poll().await?; + if messages.is_empty() { + tokio::time::sleep(tokio::time::Duration::from_millis(100)).await; + continue; + } + + for msg in &messages { + let value = String::from_utf8_lossy(&msg.value); + println!( + "[offset={} partition={}] {}", + msg.offset, msg.partition, value + ); + } + + total += messages.len() as u64; + println!(" ({total} messages received so far)"); + } + } + } + + Ok(()) +} diff --git a/interface/proto/sq/v1/cluster.proto b/interface/proto/sq/v1/cluster.proto new file mode 100644 index 0000000..12c387d --- /dev/null +++ b/interface/proto/sq/v1/cluster.proto @@ -0,0 +1,53 @@ +syntax = "proto3"; +package sq.v1; + +service ClusterService { + rpc ReplicateEntries(ReplicateEntriesRequest) returns (ReplicateEntriesResponse); + rpc Join(JoinRequest) returns (JoinResponse); + rpc Heartbeat(HeartbeatRequest) returns (HeartbeatResponse); + rpc FetchSegment(FetchSegmentRequest) returns (stream FetchSegmentResponse); +} + +message ReplicateEntriesRequest { + string topic = 1; + uint32 partition = 2; + repeated bytes entries = 3; +} + +message ReplicateEntriesResponse { + uint64 last_replicated_offset = 1; +} + +message JoinRequest { + string node_id = 1; + string address = 2; +} + +message JoinResponse { + repeated ClusterNodeInfo members = 1; +} + +message HeartbeatRequest { + string node_id = 1; + repeated ClusterNodeInfo known_members = 2; +} + +message HeartbeatResponse { + repeated ClusterNodeInfo members = 1; +} + +message ClusterNodeInfo { + string node_id = 1; + string address = 2; + string status = 3; +} + +message FetchSegmentRequest { + string topic = 1; + uint32 partition = 2; + uint64 from_offset = 3; +} + +message FetchSegmentResponse { + bytes chunk = 1; +} diff --git a/interface/proto/sq/v1/control_plane.proto b/interface/proto/sq/v1/control_plane.proto new file mode 100644 index 0000000..162cb14 --- /dev/null +++ b/interface/proto/sq/v1/control_plane.proto @@ -0,0 +1,59 @@ +syntax = "proto3"; +package sq.v1; + +service ControlPlaneService { + rpc CreateTopic(CreateTopicRequest) returns (CreateTopicResponse); + rpc DeleteTopic(DeleteTopicRequest) returns (DeleteTopicResponse); + rpc ListTopics(ListTopicsRequest) returns (ListTopicsResponse); + rpc DescribeTopic(DescribeTopicRequest) returns (DescribeTopicResponse); + rpc CreateConsumerGroup(CreateConsumerGroupRequest) returns (CreateConsumerGroupResponse); +} + +message CreateTopicRequest { + string name = 1; + uint32 partitions = 2; + uint32 replication_factor = 3; +} + +message CreateTopicResponse { + string name = 1; +} + +message DeleteTopicRequest { + string name = 1; +} + +message DeleteTopicResponse {} + +message ListTopicsRequest {} + +message ListTopicsResponse { + repeated TopicInfo topics = 1; +} + +message TopicInfo { + string name = 1; + uint32 partitions = 2; + uint32 replication_factor = 3; +} + +message DescribeTopicRequest { + string name = 1; +} + +message DescribeTopicResponse { + TopicInfo topic = 1; + repeated PartitionInfo partition_info = 2; +} + +message PartitionInfo { + uint32 partition = 1; + uint64 earliest_offset = 2; + uint64 latest_offset = 3; +} + +message CreateConsumerGroupRequest { + string group_name = 1; +} + +message CreateConsumerGroupResponse {} diff --git a/interface/proto/sq/v1/data_plane.proto b/interface/proto/sq/v1/data_plane.proto new file mode 100644 index 0000000..fb9c8c9 --- /dev/null +++ b/interface/proto/sq/v1/data_plane.proto @@ -0,0 +1,84 @@ +syntax = "proto3"; +package sq.v1; + +service DataPlaneService { + rpc Publish(PublishRequest) returns (PublishResponse); + rpc Subscribe(SubscribeRequest) returns (stream SubscribeResponse); + rpc Ack(AckRequest) returns (AckResponse); +} + +// --- Publish --- + +message PublishRequest { + repeated PublishMessage messages = 1; + PublishSettings settings = 2; + string producer_id = 3; +} + +message PublishMessage { + string topic = 1; + bytes key = 2; + bytes value = 3; + repeated MessageHeader headers = 4; +} + +message MessageHeader { + string key = 1; + bytes value = 2; +} + +message PublishSettings { + AckMode ack_mode = 1; +} + +enum AckMode { + ACK_MODE_UNSPECIFIED = 0; + ACK_MODE_ALL = 1; + ACK_MODE_LOCAL = 2; + ACK_MODE_NONE = 3; +} + +message PublishResponse { + repeated PublishResult results = 1; +} + +message PublishResult { + string topic = 1; + uint32 partition = 2; + uint64 offset = 3; +} + +// --- Subscribe --- + +message SubscribeRequest { + string topic = 1; + uint32 partition = 2; + string consumer_group = 3; + optional uint64 start_offset = 4; + uint32 max_batch_size = 5; +} + +message SubscribeResponse { + repeated ConsumedMessage messages = 1; +} + +message ConsumedMessage { + uint64 offset = 1; + string topic = 2; + uint32 partition = 3; + bytes key = 4; + bytes value = 5; + repeated MessageHeader headers = 6; + uint64 timestamp_ms = 7; +} + +// --- Ack/Commit --- + +message AckRequest { + string consumer_group = 1; + string topic = 2; + uint32 partition = 3; + uint64 offset = 4; +} + +message AckResponse {} diff --git a/scripts/grpc.sh b/scripts/grpc.sh new file mode 100755 index 0000000..517f258 --- /dev/null +++ b/scripts/grpc.sh @@ -0,0 +1,45 @@ +#!/usr/bin/env bash +# Helper script for testing SQ gRPC endpoints with grpcurl. +# Usage: ./scripts/grpc.sh [args...] +# +# Commands: +# status [addr] - Get node status +# publish - Publish a message +# subscribe - Subscribe to a topic +# topics - List topics + +set -euo pipefail + +ADDR="${SQ_ADDR:-127.0.0.1:6060}" + +case "${1:-help}" in + status) + addr="${2:-$ADDR}" + grpcurl -plaintext "$addr" sq.v1.StatusService/Status + ;; + publish) + topic="${2:?topic required}" + msg="${3:?message required}" + grpcurl -plaintext -d "{\"topic\": \"$topic\", \"messages\": [{\"value\": \"$(echo -n "$msg" | base64)\"}]}" \ + "$ADDR" sq.v1.DataPlaneService/Publish + ;; + subscribe) + topic="${2:?topic required}" + grpcurl -plaintext -d "{\"topic\": \"$topic\", \"partition\": 0}" \ + "$ADDR" sq.v1.DataPlaneService/Subscribe + ;; + topics) + grpcurl -plaintext "$ADDR" sq.v1.ControlPlaneService/ListTopics + ;; + help|*) + echo "Usage: $0 [args...]" + echo "" + echo "Commands:" + echo " status [addr] - Get node status" + echo " publish - Publish a message" + echo " subscribe - Subscribe to a topic" + echo " topics - List topics" + echo "" + echo "Environment: SQ_ADDR (default: 127.0.0.1:6060)" + ;; +esac diff --git a/templates/docker-compose.yaml b/templates/docker-compose.yaml new file mode 100644 index 0000000..21b4d16 --- /dev/null +++ b/templates/docker-compose.yaml @@ -0,0 +1,148 @@ +services: + # --- Observability stack --- + jaeger: + image: jaegertracing/all-in-one:1.62 + environment: + COLLECTOR_OTLP_ENABLED: "true" + ports: + - "16686:16686" # Jaeger UI + - "4317:4317" # OTLP gRPC receiver + - "4318:4318" # OTLP HTTP receiver + + prometheus: + image: prom/prometheus:v3.2.1 + volumes: + - ./prometheus.yaml:/etc/prometheus/prometheus.yml:ro + ports: + - "9090:9090" + + grafana: + image: grafana/grafana:11.6.0 + environment: + GF_AUTH_ANONYMOUS_ENABLED: "true" + GF_AUTH_ANONYMOUS_ORG_ROLE: Admin + ports: + - "3000:3000" + depends_on: + - jaeger + - prometheus + + # --- Object storage --- + minio: + image: minio/minio:latest + command: server /data --console-address ":9001" + environment: + MINIO_ROOT_USER: minioadmin + MINIO_ROOT_PASSWORD: minioadmin + ports: + - "9000:9000" + - "9001:9001" + volumes: + - minio-data:/data + + # Create the default bucket on startup. + minio-init: + image: minio/mc:latest + depends_on: + - minio + entrypoint: > + /bin/sh -c " + sleep 2; + mc alias set local http://minio:9000 minioadmin minioadmin; + mc mb --ignore-existing local/sq-segments; + exit 0; + " + + # --- SQ cluster --- + sq-1: + build: + context: .. + dockerfile: templates/sq-server.Dockerfile + command: + - serve + - --host=0.0.0.0:6060 + - --http-host=0.0.0.0:6062 + environment: + SQ_NODE_ID: sq-1 + SQ_DATA_DIR: /data + SQ_SEEDS: sq-2:6060,sq-3:6060 + SQ_CLUSTER_ID: sq-cluster + SQ_S3_BUCKET: sq-segments + SQ_S3_ENDPOINT: http://minio:9000 + SQ_S3_REGION: us-east-1 + AWS_ACCESS_KEY_ID: minioadmin + AWS_SECRET_ACCESS_KEY: minioadmin + RUST_LOG: info + OTEL_EXPORTER_OTLP_ENDPOINT: http://jaeger:4317 + ports: + - "6060:6060" + - "6062:6062" + volumes: + - sq1-data:/data + depends_on: + - minio-init + - jaeger + + sq-2: + build: + context: .. + dockerfile: templates/sq-server.Dockerfile + command: + - serve + - --host=0.0.0.0:6060 + - --http-host=0.0.0.0:6062 + environment: + SQ_NODE_ID: sq-2 + SQ_DATA_DIR: /data + SQ_SEEDS: sq-1:6060,sq-3:6060 + SQ_CLUSTER_ID: sq-cluster + SQ_S3_BUCKET: sq-segments + SQ_S3_ENDPOINT: http://minio:9000 + SQ_S3_REGION: us-east-1 + AWS_ACCESS_KEY_ID: minioadmin + AWS_SECRET_ACCESS_KEY: minioadmin + RUST_LOG: info + OTEL_EXPORTER_OTLP_ENDPOINT: http://jaeger:4317 + ports: + - "6070:6060" + - "6072:6062" + volumes: + - sq2-data:/data + depends_on: + - minio-init + - jaeger + + sq-3: + build: + context: .. + dockerfile: templates/sq-server.Dockerfile + command: + - serve + - --host=0.0.0.0:6060 + - --http-host=0.0.0.0:6062 + environment: + SQ_NODE_ID: sq-3 + SQ_DATA_DIR: /data + SQ_SEEDS: sq-1:6060,sq-2:6060 + SQ_CLUSTER_ID: sq-cluster + SQ_S3_BUCKET: sq-segments + SQ_S3_ENDPOINT: http://minio:9000 + SQ_S3_REGION: us-east-1 + AWS_ACCESS_KEY_ID: minioadmin + AWS_SECRET_ACCESS_KEY: minioadmin + RUST_LOG: info + OTEL_EXPORTER_OTLP_ENDPOINT: http://jaeger:4317 + ports: + - "6080:6060" + - "6082:6062" + volumes: + - sq3-data:/data + depends_on: + - minio-init + - jaeger + +volumes: + minio-data: + sq1-data: + sq2-data: + sq3-data: diff --git a/templates/prometheus.yaml b/templates/prometheus.yaml new file mode 100644 index 0000000..d0b0b05 --- /dev/null +++ b/templates/prometheus.yaml @@ -0,0 +1,16 @@ +global: + scrape_interval: 15s + +scrape_configs: + - job_name: "sq-cluster" + static_configs: + - targets: + - "sq-1:6062" + - "sq-2:6062" + - "sq-3:6062" + metrics_path: /health + + # Scrape Jaeger for its own metrics. + - job_name: "jaeger" + static_configs: + - targets: ["jaeger:14269"] diff --git a/templates/sq-server.Dockerfile b/templates/sq-server.Dockerfile new file mode 100644 index 0000000..6d9a8cd --- /dev/null +++ b/templates/sq-server.Dockerfile @@ -0,0 +1,40 @@ +FROM rust:1.84-bookworm AS builder + +WORKDIR /app + +# Copy workspace manifests first for dependency caching. +COPY Cargo.toml Cargo.lock ./ +COPY crates/sq-grpc-interface/Cargo.toml crates/sq-grpc-interface/Cargo.toml +COPY crates/sq-models/Cargo.toml crates/sq-models/Cargo.toml +COPY crates/sq-storage/Cargo.toml crates/sq-storage/Cargo.toml +COPY crates/sq-cluster/Cargo.toml crates/sq-cluster/Cargo.toml +COPY crates/sq-server/Cargo.toml crates/sq-server/Cargo.toml +COPY crates/sq-sdk/Cargo.toml crates/sq-sdk/Cargo.toml +COPY crates/sq-sim/Cargo.toml crates/sq-sim/Cargo.toml + +# Stub sources for dependency caching layer. +RUN for d in crates/sq-grpc-interface crates/sq-models crates/sq-storage crates/sq-cluster crates/sq-sdk crates/sq-sim; do \ + mkdir -p $d/src && echo "" > $d/src/lib.rs; \ + done && \ + mkdir -p crates/sq-server/src && echo "fn main() {}" > crates/sq-server/src/main.rs + +RUN cargo build --release -p sq-server 2>/dev/null || true + +# Copy real sources. +COPY . . + +# Touch all source files so cargo rebuilds them. +RUN find crates -name "*.rs" -exec touch {} + + +RUN cargo build --release -p sq-server + +FROM debian:bookworm-slim + +RUN apt-get update && apt-get install -y --no-install-recommends ca-certificates && rm -rf /var/lib/apt/lists/* + +COPY --from=builder /app/target/release/sq-server /usr/local/bin/sq-server + +EXPOSE 6060 6062 + +ENTRYPOINT ["sq-server"] +CMD ["serve"] diff --git a/todos/SQ-001-domain-types.md b/todos/SQ-001-domain-types.md index 7c032a6..a579822 100644 --- a/todos/SQ-001-domain-types.md +++ b/todos/SQ-001-domain-types.md @@ -1,6 +1,6 @@ # SQ-001: Domain Types -**Status:** `[ ] TODO` +**Status:** `[x] DONE` **Blocked by:** SQ-000 **Priority:** High diff --git a/todos/SQ-002-wal-record-encoding.md b/todos/SQ-002-wal-record-encoding.md index f9deecd..6412eca 100644 --- a/todos/SQ-002-wal-record-encoding.md +++ b/todos/SQ-002-wal-record-encoding.md @@ -1,6 +1,6 @@ # SQ-002: WAL Record Encoding/Decoding -**Status:** `[ ] TODO` +**Status:** `[x] DONE` **Blocked by:** SQ-001 **Priority:** High diff --git a/todos/SQ-003-simulation-io-traits.md b/todos/SQ-003-simulation-io-traits.md index 5c03227..1a838a5 100644 --- a/todos/SQ-003-simulation-io-traits.md +++ b/todos/SQ-003-simulation-io-traits.md @@ -1,6 +1,6 @@ # SQ-003: Simulation I/O Traits -**Status:** `[ ] TODO` +**Status:** `[x] DONE` **Blocked by:** SQ-000 **Priority:** High diff --git a/todos/SQ-004-wal-segment-writer.md b/todos/SQ-004-wal-segment-writer.md index 3dab95e..df69056 100644 --- a/todos/SQ-004-wal-segment-writer.md +++ b/todos/SQ-004-wal-segment-writer.md @@ -1,6 +1,6 @@ # SQ-004: WAL Segment Writer -**Status:** `[ ] TODO` +**Status:** `[x] DONE` **Blocked by:** SQ-002, SQ-003 **Priority:** High diff --git a/todos/SQ-005-wal-segment-reader.md b/todos/SQ-005-wal-segment-reader.md index 9d23c66..2f1a52c 100644 --- a/todos/SQ-005-wal-segment-reader.md +++ b/todos/SQ-005-wal-segment-reader.md @@ -1,6 +1,6 @@ # SQ-005: WAL Segment Reader -**Status:** `[ ] TODO` +**Status:** `[x] DONE` **Blocked by:** SQ-004 **Priority:** High diff --git a/todos/SQ-006-sparse-offset-index.md b/todos/SQ-006-sparse-offset-index.md index 0a96b44..d4e6193 100644 --- a/todos/SQ-006-sparse-offset-index.md +++ b/todos/SQ-006-sparse-offset-index.md @@ -1,6 +1,6 @@ # SQ-006: Sparse Offset Index -**Status:** `[ ] TODO` +**Status:** `[x] DONE` **Blocked by:** SQ-005 **Priority:** Medium diff --git a/todos/SQ-007-storage-engine-facade.md b/todos/SQ-007-storage-engine-facade.md index 67d34a5..dfca0d2 100644 --- a/todos/SQ-007-storage-engine-facade.md +++ b/todos/SQ-007-storage-engine-facade.md @@ -1,6 +1,6 @@ # SQ-007: Storage Engine Facade -**Status:** `[ ] TODO` +**Status:** `[x] DONE` **Blocked by:** SQ-006 **Priority:** High diff --git a/todos/SQ-008-protobuf-api-definitions.md b/todos/SQ-008-protobuf-api-definitions.md index 8909ae8..dc3f21f 100644 --- a/todos/SQ-008-protobuf-api-definitions.md +++ b/todos/SQ-008-protobuf-api-definitions.md @@ -1,6 +1,6 @@ # SQ-008: Protobuf API Definitions -**Status:** `[ ] TODO` +**Status:** `[x] DONE` **Blocked by:** SQ-000 **Priority:** High diff --git a/todos/SQ-009-server-skeleton.md b/todos/SQ-009-server-skeleton.md index 0c66141..10a18ff 100644 --- a/todos/SQ-009-server-skeleton.md +++ b/todos/SQ-009-server-skeleton.md @@ -1,6 +1,6 @@ # SQ-009: Server Skeleton -**Status:** `[ ] TODO` +**Status:** `[x] DONE` **Blocked by:** SQ-008 **Priority:** High diff --git a/todos/SQ-010-publish-endpoint.md b/todos/SQ-010-publish-endpoint.md index 49c844b..ce21311 100644 --- a/todos/SQ-010-publish-endpoint.md +++ b/todos/SQ-010-publish-endpoint.md @@ -1,6 +1,6 @@ # SQ-010: Publish Endpoint (Single Node) -**Status:** `[ ] TODO` +**Status:** `[x] DONE` **Blocked by:** SQ-007, SQ-009 **Priority:** High diff --git a/todos/SQ-011-subscribe-endpoint.md b/todos/SQ-011-subscribe-endpoint.md index ffcb649..f29f4ee 100644 --- a/todos/SQ-011-subscribe-endpoint.md +++ b/todos/SQ-011-subscribe-endpoint.md @@ -1,6 +1,6 @@ # SQ-011: Subscribe Endpoint (Single Node) -**Status:** `[ ] TODO` +**Status:** `[x] DONE` **Blocked by:** SQ-010 **Priority:** High diff --git a/todos/SQ-012-consumer-groups.md b/todos/SQ-012-consumer-groups.md index e13fb88..4592db7 100644 --- a/todos/SQ-012-consumer-groups.md +++ b/todos/SQ-012-consumer-groups.md @@ -1,6 +1,6 @@ # SQ-012: Consumer Groups & Offset Tracking -**Status:** `[ ] TODO` +**Status:** `[x] DONE` **Blocked by:** SQ-011 **Priority:** Medium diff --git a/todos/SQ-013-topic-management.md b/todos/SQ-013-topic-management.md index a4fb11c..8a973f5 100644 --- a/todos/SQ-013-topic-management.md +++ b/todos/SQ-013-topic-management.md @@ -1,6 +1,6 @@ # SQ-013: Control Plane - Topic Management -**Status:** `[ ] TODO` +**Status:** `[x] DONE` **Blocked by:** SQ-012 **Priority:** Medium diff --git a/todos/SQ-014-sdk-producer.md b/todos/SQ-014-sdk-producer.md index 0de33cf..408a2dc 100644 --- a/todos/SQ-014-sdk-producer.md +++ b/todos/SQ-014-sdk-producer.md @@ -1,6 +1,6 @@ # SQ-014: SDK Producer -**Status:** `[ ] TODO` +**Status:** `[x] DONE` **Blocked by:** SQ-010 **Priority:** Medium diff --git a/todos/SQ-015-sdk-consumer.md b/todos/SQ-015-sdk-consumer.md index 3529cd8..e47f5e3 100644 --- a/todos/SQ-015-sdk-consumer.md +++ b/todos/SQ-015-sdk-consumer.md @@ -1,6 +1,6 @@ # SQ-015: SDK Consumer -**Status:** `[ ] TODO` +**Status:** `[x] DONE` **Blocked by:** SQ-014, SQ-012 **Priority:** Medium diff --git a/todos/SQ-016-object-store-shipping.md b/todos/SQ-016-object-store-shipping.md index 3a855b3..ed678ca 100644 --- a/todos/SQ-016-object-store-shipping.md +++ b/todos/SQ-016-object-store-shipping.md @@ -1,6 +1,6 @@ # SQ-016: Object Store Shipping -**Status:** `[ ] TODO` +**Status:** `[x] DONE` **Blocked by:** SQ-007 **Priority:** Medium diff --git a/todos/SQ-017-wal-trimming.md b/todos/SQ-017-wal-trimming.md index 030c7f2..f6277a8 100644 --- a/todos/SQ-017-wal-trimming.md +++ b/todos/SQ-017-wal-trimming.md @@ -1,6 +1,6 @@ # SQ-017: WAL Trimming -**Status:** `[ ] TODO` +**Status:** `[x] DONE` **Blocked by:** SQ-016 **Priority:** Medium diff --git a/todos/SQ-018-s3-read-fallback.md b/todos/SQ-018-s3-read-fallback.md index a62b054..74a4689 100644 --- a/todos/SQ-018-s3-read-fallback.md +++ b/todos/SQ-018-s3-read-fallback.md @@ -1,6 +1,6 @@ # SQ-018: S3 Read Fallback -**Status:** `[ ] TODO` +**Status:** `[x] DONE` **Blocked by:** SQ-017 **Priority:** Medium diff --git a/todos/SQ-019-virtual-network.md b/todos/SQ-019-virtual-network.md index 353ee55..023aa66 100644 --- a/todos/SQ-019-virtual-network.md +++ b/todos/SQ-019-virtual-network.md @@ -1,6 +1,6 @@ # SQ-019: Virtual Network for Simulation -**Status:** `[ ] TODO` +**Status:** `[x] DONE` **Blocked by:** SQ-003 **Priority:** Medium diff --git a/todos/SQ-020-cluster-membership.md b/todos/SQ-020-cluster-membership.md index a456480..5667e75 100644 --- a/todos/SQ-020-cluster-membership.md +++ b/todos/SQ-020-cluster-membership.md @@ -1,6 +1,6 @@ # SQ-020: Cluster Membership (Gossip) -**Status:** `[ ] TODO` +**Status:** `[x] DONE` **Blocked by:** SQ-009, SQ-019 **Priority:** Medium diff --git a/todos/SQ-021-write-replication.md b/todos/SQ-021-write-replication.md index 9df827b..d3c19bd 100644 --- a/todos/SQ-021-write-replication.md +++ b/todos/SQ-021-write-replication.md @@ -1,6 +1,6 @@ # SQ-021: Write Replication -**Status:** `[ ] TODO` +**Status:** `[x] DONE` **Blocked by:** SQ-020, SQ-010 **Priority:** High diff --git a/todos/SQ-022-simulation-tests.md b/todos/SQ-022-simulation-tests.md index 58c1630..4e67388 100644 --- a/todos/SQ-022-simulation-tests.md +++ b/todos/SQ-022-simulation-tests.md @@ -1,6 +1,6 @@ # SQ-022: Multi-Node Simulation Tests -**Status:** `[ ] TODO` +**Status:** `[x] DONE` **Blocked by:** SQ-021, SQ-019 **Priority:** High diff --git a/todos/SQ-023-node-recovery.md b/todos/SQ-023-node-recovery.md index f7d6c54..971d556 100644 --- a/todos/SQ-023-node-recovery.md +++ b/todos/SQ-023-node-recovery.md @@ -1,6 +1,6 @@ # SQ-023: Node Recovery / Catch-Up -**Status:** `[ ] TODO` +**Status:** `[x] DONE` **Blocked by:** SQ-021, SQ-018 **Priority:** Medium diff --git a/todos/SQ-024-docker-compose-e2e.md b/todos/SQ-024-docker-compose-e2e.md index a75488e..b07add6 100644 --- a/todos/SQ-024-docker-compose-e2e.md +++ b/todos/SQ-024-docker-compose-e2e.md @@ -1,6 +1,6 @@ # SQ-024: Docker Compose & E2E Example -**Status:** `[ ] TODO` +**Status:** `[x] DONE` **Blocked by:** SQ-023 **Priority:** Low diff --git a/todos/SQ-025-compression-performance.md b/todos/SQ-025-compression-performance.md index d699865..063d5ab 100644 --- a/todos/SQ-025-compression-performance.md +++ b/todos/SQ-025-compression-performance.md @@ -1,6 +1,6 @@ # SQ-025: Compression & Performance Tuning -**Status:** `[ ] TODO` +**Status:** `[x] DONE` **Blocked by:** SQ-024 **Priority:** Low