56 lines
995 B
Go
56 lines
995 B
Go
package cmd
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import (
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"context"
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"fmt"
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"log"
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"show-rss/src/cmd/cron"
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"show-rss/src/cmd/server"
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"show-rss/src/pool"
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"time"
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)
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func Main(ctx context.Context) error {
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ctx, can := context.WithCancel(ctx)
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defer can()
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ctx, can, err := Config(ctx)
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if err != nil {
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return fmt.Errorf("failed to inject: %w", err)
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}
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defer can()
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foos := map[string]func(context.Context) error{
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"server": server.Main,
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"cron": cron.Main,
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}
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p := pool.New(len(foos))
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defer p.Wait(ctx)
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for k, foo := range foos {
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if err := p.Go(ctx, k, runner(ctx, k, foo)); err != nil {
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return fmt.Errorf("failed to go %s: %v", k, err)
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}
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}
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return p.Wait(ctx)
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}
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func runner(ctx context.Context, k string, foo func(context.Context) error) func() error {
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return func() error {
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var err error
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for {
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err = foo(ctx)
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if ctx.Err() == nil {
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log.Printf("%s failed; restarting: %v", k, err)
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}
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select {
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case <-ctx.Done():
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break
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case <-time.After(time.Second):
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}
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}
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return err
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}
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}
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