package netx

import (
	"fmt"
	"github.com/go-ping/ping"
	"time"
)

// Ping addr -> ip:port
func Ping(addr string) bool {
	pinger, err := ping.NewPinger(addr)
	if err != nil {
		panic(err)
	}
	pinger.Count = 3
	pinger.Timeout = time.Duration(3 * time.Millisecond)
	pinger.SetPrivileged(true)
	err = pinger.Run()
	if err != nil {
		return false
	} // blocks until finished
	stats := pinger.Statistics()
	fmt.Println(stats)
	// 有回包，就是说明IP是可用的
	if stats.PacketsRecv >= 1 {
		return true
	}
	return false
}