network/ping.go

package network

import (
	"os/exec"
	"runtime"
	"strings"
)

func Ping(ip string) bool {
	if ip == "" {
		return false
	}
	var cmd *exec.Cmd
	if strings.ToLower(runtime.GOOS) == "linux" {
		cmd = exec.Command("ping", ip, "-c", "1")
	} else {
		cmd = exec.Command("ping", ip, "-n", "1")
	}

	out, err := cmd.Output()
	cmd.Run()

	str := strings.ToLower(string(out))

	if err == nil && strings.Contains(str, "ttl") {
		return true
	}
	return false

}
func CanConnect(ip, port string) bool {

	cmd := exec.Command("telnet", ip, port)

	out, _ := cmd.Output()

	cmd.Run()

	s := string(out)

	if strings.Contains(s, "Connected") && strings.Contains(s, "Escape") {
		return true
	}
	return false

}