From 0f50b3d5bf7681279efce8dd7f8802755a5e8ac9 Mon Sep 17 00:00:00 2001 From: kjuulh Date: Tue, 22 Jul 2025 22:01:05 +0200 Subject: [PATCH] feat: add basic no drop --- .drone.yml | 2 + .gitignore | 2 + Cargo.lock | 672 +++++++++++++++++++++++++++++++++++++++ Cargo.toml | 13 + crates/nodrop/Cargo.toml | 23 ++ crates/nodrop/src/lib.rs | 242 ++++++++++++++ cuddle.yaml | 17 + 7 files changed, 971 insertions(+) create mode 100644 .drone.yml create mode 100644 .gitignore create mode 100644 Cargo.lock create mode 100644 Cargo.toml create mode 100644 crates/nodrop/Cargo.toml create mode 100644 crates/nodrop/src/lib.rs create mode 100644 cuddle.yaml diff --git a/.drone.yml b/.drone.yml new file mode 100644 index 0000000..7d36638 --- /dev/null +++ b/.drone.yml @@ -0,0 +1,2 @@ +kind: template +load: cuddle-rust-lib-plan.yaml diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..9c4c004 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +target/ +.cuddle/ diff --git a/Cargo.lock b/Cargo.lock new file mode 100644 index 0000000..b501a08 --- /dev/null +++ b/Cargo.lock @@ -0,0 +1,672 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +version = 4 + +[[package]] +name = "addr2line" +version = "0.24.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "dfbe277e56a376000877090da837660b4427aad530e3028d44e0bffe4f89a1c1" +dependencies = [ + "gimli", +] + +[[package]] +name = "adler2" +version = "2.0.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa" + +[[package]] +name = "anyhow" +version = "1.0.98" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e16d2d3311acee920a9eb8d33b8cbc1787ce4a264e85f964c2404b969bdcd487" + +[[package]] +name = "async-trait" +version = "0.1.88" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e539d3fca749fcee5236ab05e93a52867dd549cc157c8cb7f99595f3cedffdb5" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] + +[[package]] +name = "autocfg" +version = "1.5.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8" + +[[package]] +name = "backtrace" +version = "0.3.75" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "6806a6321ec58106fea15becdad98371e28d92ccbc7c8f1b3b6dd724fe8f1002" +dependencies = [ + "addr2line", + "cfg-if", + "libc", + "miniz_oxide", + "object", + "rustc-demangle", + "windows-targets", +] + +[[package]] +name = "bitflags" +version = "2.9.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1b8e56985ec62d17e9c1001dc89c88ecd7dc08e47eba5ec7c29c7b5eeecde967" + +[[package]] +name = "bytes" +version = "1.10.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d71b6127be86fdcfddb610f7182ac57211d4b18a3e9c82eb2d17662f2227ad6a" + +[[package]] +name = "cfg-if" +version = "1.0.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9555578bc9e57714c812a1f84e4fc5b4d21fcb063490c624de019f7464c91268" + +[[package]] +name = "futures" +version = "0.3.31" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "65bc07b1a8bc7c85c5f2e110c476c7389b4554ba72af57d8445ea63a576b0876" +dependencies = [ + "futures-channel", + "futures-core", + "futures-executor", + "futures-io", + "futures-sink", + "futures-task", + "futures-util", +] + +[[package]] +name = "futures-channel" +version = "0.3.31" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2dff15bf788c671c1934e366d07e30c1814a8ef514e1af724a602e8a2fbe1b10" +dependencies = [ + "futures-core", + "futures-sink", +] + +[[package]] +name = "futures-core" +version = "0.3.31" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "05f29059c0c2090612e8d742178b0580d2dc940c837851ad723096f87af6663e" + +[[package]] +name = "futures-executor" +version = "0.3.31" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1e28d1d997f585e54aebc3f97d39e72338912123a67330d723fdbb564d646c9f" +dependencies = [ + "futures-core", + "futures-task", + "futures-util", +] + +[[package]] +name = "futures-io" +version = "0.3.31" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9e5c1b78ca4aae1ac06c48a526a655760685149f0d465d21f37abfe57ce075c6" + +[[package]] +name = "futures-macro" +version = "0.3.31" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "162ee34ebcb7c64a8abebc059ce0fee27c2262618d7b60ed8faf72fef13c3650" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] + +[[package]] +name = "futures-sink" +version = "0.3.31" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e575fab7d1e0dcb8d0c7bcf9a63ee213816ab51902e6d244a95819acacf1d4f7" + +[[package]] +name = "futures-task" +version = "0.3.31" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f90f7dce0722e95104fcb095585910c0977252f286e354b5e3bd38902cd99988" + +[[package]] +name = "futures-util" +version = "0.3.31" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9fa08315bb612088cc391249efdc3bc77536f16c91f6cf495e6fbe85b20a4a81" +dependencies = [ + "futures-channel", + "futures-core", + "futures-io", + "futures-macro", + "futures-sink", + "futures-task", + "memchr", + "pin-project-lite", + "pin-utils", + "slab", +] + +[[package]] +name = "getrandom" +version = "0.3.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "26145e563e54f2cadc477553f1ec5ee650b00862f0a58bcd12cbdc5f0ea2d2f4" +dependencies = [ + "cfg-if", + "libc", + "r-efi", + "wasi 0.14.2+wasi-0.2.4", +] + +[[package]] +name = "gimli" +version = "0.31.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "07e28edb80900c19c28f1072f2e8aeca7fa06b23cd4169cefe1af5aa3260783f" + +[[package]] +name = "io-uring" +version = "0.7.9" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d93587f37623a1a17d94ef2bc9ada592f5465fe7732084ab7beefabe5c77c0c4" +dependencies = [ + "bitflags", + "cfg-if", + "libc", +] + +[[package]] +name = "libc" +version = "0.2.174" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1171693293099992e19cddea4e8b849964e9846f4acee11b3948bcc337be8776" + +[[package]] +name = "lock_api" +version = "0.4.13" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "96936507f153605bddfcda068dd804796c84324ed2510809e5b2a624c81da765" +dependencies = [ + "autocfg", + "scopeguard", +] + +[[package]] +name = "log" +version = "0.4.27" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "13dc2df351e3202783a1fe0d44375f7295ffb4049267b0f3018346dc122a1d94" + +[[package]] +name = "memchr" +version = "2.7.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "32a282da65faaf38286cf3be983213fcf1d2e2a58700e808f83f4ea9a4804bc0" + +[[package]] +name = "miniz_oxide" +version = "0.8.9" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1fa76a2c86f704bdb222d66965fb3d63269ce38518b83cb0575fca855ebb6316" +dependencies = [ + "adler2", +] + +[[package]] +name = "mio" +version = "1.0.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "78bed444cc8a2160f01cbcf811ef18cac863ad68ae8ca62092e8db51d51c761c" +dependencies = [ + "libc", + "wasi 0.11.1+wasi-snapshot-preview1", + "windows-sys 0.59.0", +] + +[[package]] +name = "nodrop" +version = "0.1.0" +dependencies = [ + "anyhow", + "async-trait", + "notmad", + "tokio", + "tokio-util", + "tracing", +] + +[[package]] +name = "notmad" +version = "0.7.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9c167eaa1d71a48d701a5b95cccdd3ca5be0f372c8c085d74eaded314537aa0b" +dependencies = [ + "anyhow", + "async-trait", + "futures", + "futures-util", + "rand", + "thiserror", + "tokio", + "tokio-util", + "tracing", +] + +[[package]] +name = "object" +version = "0.36.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "62948e14d923ea95ea2c7c86c71013138b66525b86bdc08d2dcc262bdb497b87" +dependencies = [ + "memchr", +] + +[[package]] +name = "once_cell" +version = "1.21.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d" + +[[package]] +name = "parking_lot" +version = "0.12.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "70d58bf43669b5795d1576d0641cfb6fbb2057bf629506267a92807158584a13" +dependencies = [ + "lock_api", + "parking_lot_core", +] + +[[package]] +name = "parking_lot_core" +version = "0.9.11" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "bc838d2a56b5b1a6c25f55575dfc605fabb63bb2365f6c2353ef9159aa69e4a5" +dependencies = [ + "cfg-if", + "libc", + "redox_syscall", + "smallvec", + "windows-targets", +] + +[[package]] +name = "pin-project-lite" +version = "0.2.16" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3b3cff922bd51709b605d9ead9aa71031d81447142d828eb4a6eba76fe619f9b" + +[[package]] +name = "pin-utils" +version = "0.1.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184" + +[[package]] +name = "ppv-lite86" +version = "0.2.21" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "85eae3c4ed2f50dcfe72643da4befc30deadb458a9b590d720cde2f2b1e97da9" +dependencies = [ + "zerocopy", +] + +[[package]] +name = "proc-macro2" +version = "1.0.95" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "02b3e5e68a3a1a02aad3ec490a98007cbc13c37cbe84a3cd7b8e406d76e7f778" +dependencies = [ + "unicode-ident", +] + +[[package]] +name = "quote" +version = "1.0.40" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1885c039570dc00dcb4ff087a89e185fd56bae234ddc7f056a945bf36467248d" +dependencies = [ + "proc-macro2", +] + +[[package]] +name = "r-efi" +version = "5.3.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f" + +[[package]] +name = "rand" +version = "0.9.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "6db2770f06117d490610c7488547d543617b21bfa07796d7a12f6f1bd53850d1" +dependencies = [ + "rand_chacha", + "rand_core", +] + +[[package]] +name = "rand_chacha" +version = "0.9.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb" +dependencies = [ + "ppv-lite86", + "rand_core", +] + +[[package]] +name = "rand_core" +version = "0.9.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "99d9a13982dcf210057a8a78572b2217b667c3beacbf3a0d8b454f6f82837d38" +dependencies = [ + "getrandom", +] + +[[package]] +name = "redox_syscall" +version = "0.5.15" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7e8af0dde094006011e6a740d4879319439489813bd0bcdc7d821beaeeff48ec" +dependencies = [ + "bitflags", +] + +[[package]] +name = "rustc-demangle" +version = "0.1.25" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "989e6739f80c4ad5b13e0fd7fe89531180375b18520cc8c82080e4dc4035b84f" + +[[package]] +name = "scopeguard" +version = "1.2.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49" + +[[package]] +name = "signal-hook-registry" +version = "1.4.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9203b8055f63a2a00e2f593bb0510367fe707d7ff1e5c872de2f537b339e5410" +dependencies = [ + "libc", +] + +[[package]] +name = "slab" +version = "0.4.10" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "04dc19736151f35336d325007ac991178d504a119863a2fcb3758cdb5e52c50d" + +[[package]] +name = "smallvec" +version = "1.15.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "67b1b7a3b5fe4f1376887184045fcf45c69e92af734b7aaddc05fb777b6fbd03" + +[[package]] +name = "socket2" +version = "0.5.10" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e22376abed350d73dd1cd119b57ffccad95b4e585a7cda43e286245ce23c0678" +dependencies = [ + "libc", + "windows-sys 0.52.0", +] + +[[package]] +name = "syn" +version = "2.0.104" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "17b6f705963418cdb9927482fa304bc562ece2fdd4f616084c50b7023b435a40" +dependencies = [ + "proc-macro2", + "quote", + "unicode-ident", +] + +[[package]] +name = "thiserror" +version = "2.0.12" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "567b8a2dae586314f7be2a752ec7474332959c6460e02bde30d702a66d488708" +dependencies = [ + "thiserror-impl", +] + +[[package]] +name = "thiserror-impl" +version = "2.0.12" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7f7cf42b4507d8ea322120659672cf1b9dbb93f8f2d4ecfd6e51350ff5b17a1d" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] + +[[package]] +name = "tokio" +version = "1.46.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0cc3a2344dafbe23a245241fe8b09735b521110d30fcefbbd5feb1797ca35d17" +dependencies = [ + "backtrace", + "bytes", + "io-uring", + "libc", + "mio", + "parking_lot", + "pin-project-lite", + "signal-hook-registry", + "slab", + "socket2", + "tokio-macros", + "windows-sys 0.52.0", +] + +[[package]] +name = "tokio-macros" +version = "2.5.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "6e06d43f1345a3bcd39f6a56dbb7dcab2ba47e68e8ac134855e7e2bdbaf8cab8" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] + +[[package]] +name = "tokio-util" +version = "0.7.15" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "66a539a9ad6d5d281510d5bd368c973d636c02dbf8a67300bfb6b950696ad7df" +dependencies = [ + "bytes", + "futures-core", + "futures-sink", + "pin-project-lite", + "tokio", +] + +[[package]] +name = "tracing" +version = "0.1.41" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "784e0ac535deb450455cbfa28a6f0df145ea1bb7ae51b821cf5e7927fdcfbdd0" +dependencies = [ + "log", + "pin-project-lite", + "tracing-attributes", + "tracing-core", +] + +[[package]] +name = "tracing-attributes" +version = "0.1.30" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "81383ab64e72a7a8b8e13130c49e3dab29def6d0c7d76a03087b3cf71c5c6903" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] + +[[package]] +name = "tracing-core" +version = "0.1.34" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b9d12581f227e93f094d3af2ae690a574abb8a2b9b7a96e7cfe9647b2b617678" +dependencies = [ + "once_cell", +] + +[[package]] +name = "unicode-ident" +version = "1.0.18" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5a5f39404a5da50712a4c1eecf25e90dd62b613502b7e925fd4e4d19b5c96512" + +[[package]] +name = "wasi" +version = "0.11.1+wasi-snapshot-preview1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b" + +[[package]] +name = "wasi" +version = "0.14.2+wasi-0.2.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9683f9a5a998d873c0d21fcbe3c083009670149a8fab228644b8bd36b2c48cb3" +dependencies = [ + "wit-bindgen-rt", +] + +[[package]] +name = "windows-sys" +version = "0.52.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d" +dependencies = [ + "windows-targets", +] + +[[package]] +name = "windows-sys" +version = "0.59.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b" +dependencies = [ + "windows-targets", +] + +[[package]] +name = "windows-targets" +version = "0.52.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973" +dependencies = [ + "windows_aarch64_gnullvm", + "windows_aarch64_msvc", + "windows_i686_gnu", + "windows_i686_gnullvm", + "windows_i686_msvc", + "windows_x86_64_gnu", + "windows_x86_64_gnullvm", + "windows_x86_64_msvc", +] + +[[package]] +name = "windows_aarch64_gnullvm" +version = "0.52.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3" + +[[package]] +name = "windows_aarch64_msvc" +version = "0.52.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469" + +[[package]] +name = "windows_i686_gnu" +version = "0.52.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b" + +[[package]] +name = "windows_i686_gnullvm" +version = "0.52.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66" + +[[package]] +name = "windows_i686_msvc" +version = "0.52.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66" + +[[package]] +name = "windows_x86_64_gnu" +version = "0.52.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78" + +[[package]] +name = "windows_x86_64_gnullvm" +version = "0.52.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d" + +[[package]] +name = "windows_x86_64_msvc" +version = "0.52.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec" + +[[package]] +name = "wit-bindgen-rt" +version = "0.39.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "6f42320e61fe2cfd34354ecb597f86f413484a798ba44a8ca1165c58d42da6c1" +dependencies = [ + "bitflags", +] + +[[package]] +name = "zerocopy" +version = "0.8.26" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1039dd0d3c310cf05de012d8a39ff557cb0d23087fd44cad61df08fc31907a2f" +dependencies = [ + "zerocopy-derive", +] + +[[package]] +name = "zerocopy-derive" +version = "0.8.26" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9ecf5b4cc5364572d7f4c329661bcc82724222973f2cab6f050a4e5c22f75181" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] diff --git a/Cargo.toml b/Cargo.toml new file mode 100644 index 0000000..2587ff2 --- /dev/null +++ b/Cargo.toml @@ -0,0 +1,13 @@ +[workspace] +members = ["crates/*"] +resolver = "2" + +[workspace.package] +version = "0.1.0" + +[workspace.dependencies] +nodrop = { path = "crates/nodrop" } + +anyhow = { version = "1" } +tokio = { version = "1", features = ["full"] } +tracing = { version = "0.1", features = ["log"] } diff --git a/crates/nodrop/Cargo.toml b/crates/nodrop/Cargo.toml new file mode 100644 index 0000000..336966e --- /dev/null +++ b/crates/nodrop/Cargo.toml @@ -0,0 +1,23 @@ +[package] +name = "nodrop" +edition = "2024" +description = "nodrop, is a simple drop queue system for async operations. (Until async-drop is a thing)" +license = "MIT" +repository = "https://github.com/kjuulh/nodrop" +authors = ["kjuulh "] + +version.workspace = true + +[dependencies] +anyhow.workspace = true +tokio.workspace = true +tracing.workspace = true + +async-trait = { version = "0.1" } + +notmad = { version = "0.7.2", optional = true } +tokio-util = { version = "0.7", optional = true } + +[features] +default = [] +notmad = ["dep:notmad", "dep:tokio-util"] diff --git a/crates/nodrop/src/lib.rs b/crates/nodrop/src/lib.rs new file mode 100644 index 0000000..7790a63 --- /dev/null +++ b/crates/nodrop/src/lib.rs @@ -0,0 +1,242 @@ +use std::sync::{Arc, atomic::AtomicBool}; + +use tokio::sync::{ + Mutex, + mpsc::{self, UnboundedReceiver, UnboundedSender}, +}; + +#[cfg(feature = "notmad")] +use tokio_util::sync::CancellationToken; + +type ThreadSafeQueueItem = Arc>; + +#[derive(Clone)] +pub struct DropQueue { + draining: Arc, + input: UnboundedSender, + receiver: Arc>>, +} + +impl Default for DropQueue { + fn default() -> Self { + Self::new() + } +} + +impl DropQueue { + pub fn new() -> Self { + let (tx, rx) = mpsc::unbounded_channel(); + + Self { + draining: Arc::new(AtomicBool::new(false)), + input: tx, + receiver: Arc::new(Mutex::new(rx)), + } + } + + pub fn assign(&self, f: F) -> anyhow::Result<()> + where + F: FnOnce() -> Fut + Send + Sync + 'static, + Fut: Future> + Send + 'static, + { + if self.draining.load(std::sync::atomic::Ordering::Relaxed) { + panic!("trying to put an item on a draining queue. This is not allowed"); + } + + self.input + .send(Arc::new(Mutex::new(ClosureComponent { + inner: Box::new(Some(f)), + }))) + .expect("unbounded channel should never be full"); + + Ok(()) + } + + pub async fn process_next(&self) -> anyhow::Result<()> { + let item = { + let mut queue = self.receiver.lock().await; + queue.recv().await + }; + + if let Some(item) = item { + let mut item = item.try_lock().expect("should always be unlockable"); + item.execute().await?; + } + + Ok(()) + } + + pub async fn process(&self) -> anyhow::Result<()> { + loop { + if self.draining.load(std::sync::atomic::Ordering::Relaxed) { + return Ok(()); + } + + self.process_next().await?; + } + } + + pub async fn try_process_next(&self) -> anyhow::Result> { + let item = { + let mut queue = self.receiver.lock().await; + match queue.try_recv() { + Ok(o) => o, + Err(_) => return Ok(None), + } + }; + + let mut item = item + .try_lock() + .expect("we should always be able to unlock item"); + item.execute().await?; + + Ok(Some(())) + } + + pub async fn drain(&self) -> anyhow::Result<()> { + self.draining + .store(true, std::sync::atomic::Ordering::Release); + + while self.try_process_next().await?.is_some() {} + + Ok(()) + } + + #[cfg(feature = "notmad")] + async fn process_all(&self, cancellation_token: CancellationToken) -> anyhow::Result<()> { + loop { + tokio::select! { + _ = cancellation_token.cancelled() => { + return Ok(()) + }, + res = self.process_next() => { + res?; + } + } + } + } +} + +struct ClosureComponent +where + F: FnOnce() -> Fut + Send + Sync + 'static, + Fut: Future> + Send + 'static, +{ + inner: Box>, +} + +#[async_trait::async_trait] +trait QueueItem { + async fn execute(&mut self) -> anyhow::Result<()>; +} + +#[async_trait::async_trait] +impl QueueItem for ClosureComponent +where + F: FnOnce() -> Fut + Send + Sync + 'static, + Fut: Future> + Send + 'static, +{ + async fn execute(&mut self) -> Result<(), anyhow::Error> { + let item = self.inner.take().expect("to only be called once"); + + item().await?; + + Ok(()) + } +} + +#[cfg(feature = "notmad")] +mod notmad { + use async_trait::async_trait; + use notmad::MadError; + use tokio_util::sync::CancellationToken; + + use crate::DropQueue; + + #[async_trait] + impl notmad::Component for DropQueue { + fn name(&self) -> Option { + Some("nodrop/drop-queue".into()) + } + + async fn run(&self, cancellation_token: CancellationToken) -> Result<(), MadError> { + self.process_all(cancellation_token) + .await + .map_err(notmad::MadError::Inner)?; + + Ok(()) + } + } +} +#[cfg(feature = "notmad")] +#[allow(unused_imports)] +pub use notmad::*; + +#[cfg(test)] +mod test { + use tokio::sync::oneshot; + + use crate::DropQueue; + + #[tokio::test] + async fn can_drop_item() -> anyhow::Result<()> { + let drop_queue = DropQueue::new(); + + let (called_tx, called_rx) = oneshot::channel(); + + drop_queue.assign(|| async move { + tracing::info!("was called"); + + called_tx.send(()).unwrap(); + + Ok(()) + })?; + + drop_queue.process_next().await?; + + called_rx.await?; + + Ok(()) + } + + #[tokio::test] + async fn can_drop_multiple_items() -> anyhow::Result<()> { + let drop_queue = DropQueue::new(); + + let (called_tx, called_rx) = oneshot::channel(); + let _drop_queue = drop_queue.clone(); + tokio::spawn(async move { + _drop_queue + .assign(|| async move { + tracing::info!("was called"); + + called_tx.send(()).unwrap(); + + Ok(()) + }) + .unwrap(); + }); + + let (called_tx2, called_rx2) = oneshot::channel(); + let _drop_queue = drop_queue.clone(); + tokio::spawn(async move { + _drop_queue + .assign(|| async move { + tracing::info!("was called"); + + called_tx2.send(()).unwrap(); + + Ok(()) + }) + .unwrap(); + }); + + drop_queue.process_next().await?; + drop_queue.process_next().await?; + + called_rx.await?; + called_rx2.await?; + + Ok(()) + } +} diff --git a/cuddle.yaml b/cuddle.yaml new file mode 100644 index 0000000..3397f8c --- /dev/null +++ b/cuddle.yaml @@ -0,0 +1,17 @@ +# yaml-language-server: $schema=https://git.front.kjuulh.io/kjuulh/cuddle/raw/branch/main/schemas/base.json + +base: "git@git.front.kjuulh.io:kjuulh/cuddle-rust-lib-plan.git" + +vars: + service: "nodrop" + registry: kasperhermansen + +please: + project: + owner: kjuulh + repository: "nodrop" + branch: main + settings: + api_url: "https://git.front.kjuulh.io" + actions: + rust: