4 Commits

Author SHA1 Message Date
4774158f24 with stop 2022-09-21 22:14:22 +02:00
5f89d83094 with defer 2022-09-21 22:08:27 +02:00
f9109382cb components signal 2022-09-21 21:45:48 +02:00
eb66692b47 With actual nonblocking one by one manager 2022-09-21 21:40:44 +02:00

View File

@@ -4,6 +4,7 @@ import (
"context" "context"
"os" "os"
"sync" "sync"
"time"
) )
const ( const (
@@ -30,9 +31,38 @@ func NewManager() *Manager {
} }
} }
func (m *Manager) RunNonBlocking(ctx context.Context) error { type ComponentsAreReady struct {
go m.Run(ctx) }
func (m *Manager) RunNonBlocking(ctx context.Context, readyChan chan ComponentsAreReady) error {
go func() error {
defer func() {
ctx, _ := context.WithTimeout(context.Background(), time.Second*5)
err := m.shutdown(ctx)
if err != nil {
panic(err)
}
}()
m.initLifetime()
err := m.init(ctx)
if err != nil {
return err
}
err = m.startBlocking(ctx)
if err != nil {
return err
}
readyChan <- ComponentsAreReady{}
err = m.wait(ctx)
if err != nil {
return err
}
return nil
}()
return nil return nil
} }
@@ -98,6 +128,14 @@ func (m *Manager) start(ctx context.Context) error {
return nil return nil
} }
func (m *Manager) startBlocking(ctx context.Context) error {
for _, c := range m.components {
m.startComponent(ctx, c)
}
return nil
}
func (m *Manager) startComponent(ctx context.Context, component Component) { func (m *Manager) startComponent(ctx context.Context, component Component) {
defer func() { defer func() {
err := recover() err := recover()
@@ -128,9 +166,14 @@ func (m *Manager) initLifetime() {
} }
func (m *Manager) wait(ctx context.Context) error { func (m *Manager) wait(ctx context.Context) error {
exitCode := <-m.exitChan select {
case exitCode := <-m.exitChan:
m.exitCode = exitCode m.exitCode = exitCode
return nil return nil
case <-ctx.Done():
return nil
}
return nil
} }
func (m *Manager) shutdown(ctx context.Context) error { func (m *Manager) shutdown(ctx context.Context) error {