137 lines
2.6 KiB
Go
137 lines
2.6 KiB
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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inass "show-rss/src/asses"
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"show-rss/src/cmd/asses"
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"show-rss/src/cmd/fetch"
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"show-rss/src/cmd/server"
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"show-rss/src/pool"
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"strings"
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"time"
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)
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func Main(ctx context.Context, args []string) error {
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ctx, can := context.WithCancel(ctx)
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defer can()
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ctx, can, flags, err := Config(ctx, args)
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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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switch flags.Entrypoint {
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case Defacto:
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foos := map[string]func(context.Context) error{
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"server": server.Main,
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"fetch": fetch.Main,
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"asses": asses.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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case DeportAss:
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for _, pos := range flags.Pos {
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if err := inass.Entrypoint(ctx, pos); err != nil {
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return err
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}
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}
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return nil
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case BestAssToSRT:
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errs := []string{}
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for _, pos := range flags.Pos {
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if err := inass.BestAssToSRT(ctx, pos); err != nil {
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err = fmt.Errorf("[%s] %w", pos, err)
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log.Println(err)
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errs = append(errs, err.Error())
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}
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}
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if len(errs) > 0 {
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return fmt.Errorf("errors: %+v", errs)
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}
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return nil
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case Transcode:
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for _, pos := range flags.Pos {
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log.Printf("transcoding %q...", pos)
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if err := inass.EntrypointTranscode(ctx, pos); err != nil {
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return err
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}
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}
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return nil
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default:
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panic(flags.Entrypoint.String())
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}
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return nil
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}
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type Entrypoint int
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const (
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Defacto Entrypoint = iota
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DeportAss
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BestAssToSRT
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Transcode
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)
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func (e *Entrypoint) Set(s string) error {
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switch s {
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case Defacto.String():
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*e = Defacto
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case DeportAss.String():
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*e = DeportAss
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case BestAssToSRT.String():
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*e = BestAssToSRT
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case Transcode.String():
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*e = Transcode
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default:
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return fmt.Errorf("%s nin (%s)", s, strings.Join([]string{
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Defacto.String(),
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DeportAss.String(),
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BestAssToSRT.String(),
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Transcode.String(),
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}, ", "))
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}
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return nil
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}
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func (e Entrypoint) String() string {
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switch e {
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case Defacto:
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return ""
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case DeportAss:
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return "deport-ass"
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case BestAssToSRT:
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return "best-ass-to-srt"
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case Transcode:
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return "transcode"
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}
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panic("cannot serialize entrypoint")
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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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}
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}
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