cli

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• Variables

Variables

var (
	COUNT            = 5
	TIMEOUT          = 800 * time.Millisecond
	INTERVAL         = 100 * time.Millisecond
	HOP_SLEEP        = time.Nanosecond
	MAX_HOPS         = 64
	MAX_UNKNOWN_HOPS = 10
	RING_BUFFER_SIZE = 50
	PTR_LOOKUP       = false
)

var RootCmd = &cobra.Command{
	Use:  "mtr TARGET",
	Args: cobra.ExactArgs(1),
	RunE: func(cmd *cobra.Command, args []string) error {
		if versionFlag {
			fmt.Printf("MTR Version: %s, build date: %s\n", version, date)
			return nil
		}
		m, ch, err := mtr.NewMTR(args[0], srcAddr, TIMEOUT, INTERVAL, HOP_SLEEP,
			MAX_HOPS, MAX_UNKNOWN_HOPS, RING_BUFFER_SIZE, PTR_LOOKUP)
		if err != nil {
			return err
		}
		if jsonFmt {
			go func(ch chan struct{}) {
				for {
					<-ch
				}
			}(ch)
			m.Run(ch, COUNT)
			s, err := pj.Marshal(m)
			if err != nil {
				return err
			}
			fmt.Println(string(s))
			return nil
		}
		fmt.Println("Start:", time.Now())
		tm.Clear()
		mu := &sync.Mutex{}
		go func(ch chan struct{}) {
			for {
				mu.Lock()
				<-ch
				render(m)
				mu.Unlock()
			}
		}(ch)
		m.Run(ch, COUNT)
		close(ch)
		mu.Lock()
		render(m)
		mu.Unlock()
		return nil
	},
}

rootCmd represents the root command