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51 lines
1.2 KiB
51 lines
1.2 KiB
4 years ago
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package command
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import (
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"context"
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"time"
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"gitoa.ru/go-4devs/console"
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"gitoa.ru/go-4devs/console/input"
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"gitoa.ru/go-4devs/console/input/option"
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"gitoa.ru/go-4devs/console/output"
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"gitoa.ru/go-4devs/console/validator"
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)
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const defaultTimeout = time.Second * 30
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// Long example of a command that takes a long time to run.
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func Long() *console.Command {
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return &console.Command{
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Name: "fdevs:command:long",
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Execute: func(ctx context.Context, in input.Input, out output.Output) error {
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timeout := in.Option(ctx, "timeout").Duration()
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timer := time.NewTimer(timeout)
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ticker := time.NewTicker(time.Second)
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defer ticker.Stop()
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for {
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select {
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case t := <-ticker.C:
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out.Println(ctx, "ticker: <info>", t, "</info>")
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case <-timer.C:
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out.Println(ctx, "<error>stop timer</error>")
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return nil
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case <-ctx.Done():
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out.Println(ctx, "<info>cancel context</info>")
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return nil
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}
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}
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},
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Configure: func(ctx context.Context, def *input.Definition) error {
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def.SetOptions(option.Duration("timeout", "set duration run command",
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option.Default(defaultTimeout),
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option.Short("t"),
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option.Valid(validator.NotBlank(input.ValueDuration)),
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))
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return nil
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},
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}
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}
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