Dmitry Sergeev
62 lines
1.3 KiB
Go
62 lines
1.3 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"log"
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"mxl-player/internal/source"
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"os"
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"os/signal"
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"syscall"
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"time"
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)
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func main() {
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domain := flag.String("domain", "/dev/shm/mxl", "MXL domain")
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flowID := flag.String("flow", "5fbec3b1-1b0f-417d-9059-8b94a47197ed", "Flow UUID")
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timeout := flag.Duration("timeout", 200*time.Millisecond, "Per-grain read timeout")
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count := flag.Int("count", 10, "Stop after N grains (0 = run forever)")
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flag.Parse()
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src, err := source.Open(*domain, *flowID)
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if err != nil {
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log.Fatal(err)
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}
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defer src.Close()
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fmt.Printf("format=%s rate=%d/%d stride=%d grainCount=%d\n",
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src.Format(),
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src.Rate().Num,
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src.Rate().Den,
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src.Stride(),
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src.GrainCount())
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stop := make(chan os.Signal, 1)
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signal.Notify(stop, os.Interrupt, syscall.SIGTERM)
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grains := 0
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for {
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select {
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case <-stop:
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fmt.Printf("\nstopping: %d grains read\n", grains)
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return
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default:
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}
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f, err := src.Next(*timeout)
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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return
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}
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lines := uint32(0)
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if src.Stride() > 0 {
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lines = f.Size / src.Stride()
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}
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fmt.Printf("idx=%d size=%d (%dx%d, %d lines) invalid=%v\n",
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f.Index, f.Size, f.Width, f.Height, lines, f.Invalid)
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grains++
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if *count > 0 && grains >= *count {
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fmt.Printf("done: %d grains read\n", grains)
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return
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}
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}
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}
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