python Tcp实现断网自动重连

import os
import socket

def  socketcommunication():
    tcp_client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    tcp_client_socket.connect(("192.168.199.111", 4001))
    return tcp_client_socket


def Offlineprocessing(tcp_client_socket):
 test=""
 #判断网络是否正常
 while True:
     cmd = "ping  www.baidu.com"
     exit_code = os.system(cmd)
     if exit_code: #断网
         #判断tcp通信是否成功
         while True:
             try:
                 string = "srs_live"
                 b = bytes(string, encoding='utf - 8')
                 print("发送信息")
                 test.send(b)
                 print("发送成功")
                 break
             except socket.error:
                 while True:
                     print("判断中")
                     cmd = "ping  www.baidu.com"
                     exit_code = os.system(cmd)
                     if not exit_code:  # 断网
                         test = socketcommunication()
                         print("有网了")
                         break
                     else:
                        print("没网")
             except:
                 while True:
                     print("判断中1")
                     cmd = "ping  www.baidu.com"
                     exit_code = os.system(cmd)
                     if not exit_code:  # 断网
                         test=socketcommunication()
                         print("有网了1")
                         break
                     else:
                        print("没网1")
     else:
        print("网络正常")


if __name__ == "__main__":
    tcp_client_socket = socketcommunication()
    Offlineprocessing(tcp_client_socket)