'''
Description: 
Version: 1.0
Autor: lishengyin
Date: 2022-01-14 10:11:13
LastEditors: lishengyin
LastEditTime: 2022-01-14 14:49:21
'''
# 简易UDP看门狗
import time
import socket
import os

def resetMiva():
    # 查询PID
    result = os.popen('pidof main').readlines()
    if len(result):
        Ctime = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
        os.popen('echo "' + Ctime + ' MIVA卡死" >> ./watchDog.log')
        # 判定为卡死
        os.popen('killall main').readlines()
        
if __name__ == '__main__':
    # 2、创建套接字
    udp_socket_server = socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
    udp_socket_server.settimeout(30)
    # 3、绑定服务端的IP和端口
    udp_socket_server.bind(("",9527))
    
    try:
        udp_socket_server.settimeout(30)
        # 4、接收客户端的信息
        recv_data,ip_port = udp_socket_server.recvfrom(1024)
    except socket.timeout:
        print("超时没收到")
        resetMiva()
    # 7、关闭套接字
    udp_socket_server.close()