package CheckUtil

import (
	"net"
	"os/exec"
	"strconv"
	"time"
)

/**
功能:检查端口是汪是可以使用
作者:黄海
时间：2020-04-11
*/
func PortInUse(host string, port int) bool {
	timeout := time.Millisecond * 20
	conn, err := net.DialTimeout("tcp", net.JoinHostPort(host, strconv.Itoa(port)), timeout)
	var isUse bool
	if err != nil {
		isUse = false
	}
	if conn != nil {
		defer conn.Close()
		isUse = true
	}
	return isUse
}

/**
功能：运行Shell指令，获取返回值
作者：黄海
时间：2020-04-11
*/
func RunShell(c string) (string, error) {
	cmd := exec.Command("sh", "-c", c)
	out, err := cmd.Output()
	return string(out), err
}