pingtester

gistfile1.txt

mkdir /home/user/go
cd /home/user/go
export GOPATH=/home/user/go
go get 
go build

 sudo ./pingtest 8.8.8.8 8.8.4.4 192.168.1.1 100.64.0.1 31.13.90.2
 1 | 2 | 3 | 4 | 5 |
 : | : | : |   | : |
 : | : | : |   | : |
 : | : | : |   | : |
 : | : | : |   | : |
 : | : | : |   | : |
 : | : | : |   | : |
 : | : | : |   | : |

pingtest

package main

import (
        "fmt"
        "github.com/tatsushid/go-fastping"
        "net"
        "os"
        "time"
)

var result map[string]string

func main() {
        var mylist []string
        result = make(map[string]string)
        p := fastping.NewPinger()
        for _, host := range os.Args[1:] {
                ra, _ := net.ResolveIPAddr("ip4:icmp", host)
                p.AddIPAddr(ra)
                mylist = append(mylist, host)
        }
        p.OnRecv = func(addr *net.IPAddr, rtt time.Duration) {
                result[addr.String()] = rtt.String()
        }
        p.OnIdle = func() {
                for _, value := range mylist {
                        if result[value] != "" {
                                fmt.Print(" : |")
                        } else {
                                fmt.Print("   |")
                        }
                }
                fmt.Println()
                result = nil
                result = make(map[string]string)
                for _, host := range os.Args[1:] {
                        result[host] = ""
                }
        }
        fmt.Printf(" ")
        for index, _ := range os.Args[1:] {
                fmt.Print(index + 1)
                fmt.Printf(" | ")
        }
        fmt.Println()
        for {
                err := p.Run()
                if err != nil {
                        fmt.Println(err)
                }
        }
}