python简单的tcp服务端

#!/usr/bin/python
# -*- coding: UTF-8 -*-
# 文件名：tcpserver.py
 
import socket
import time
MaxBytes=1024*1024
 
server = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
server.settimeout(600)
host = '172.28.71.82'
#host = socket.gethostname()
port = 11223
server.bind((host, port))        # 绑定端口
 
server.listen(10)                      # 监听
try:
    while True:
        client,addr = server.accept()          # 等待客户端连接
        print(addr," 连接上了")
        while True:
            data = client.recv(MaxBytes)
            if not data:
                print('数据为空，我要退出了')
                break
            localTime = time.asctime( time.localtime(time.time()))
            print(localTime,' 接收到数据字节数:',len(data))
            print(data.decode())
            client.sendall(data)
            print("发送完毕")
except BaseException as e:
    print("出现异常：")
    print(repr(e))
finally:
    server.close()                    # 关闭连接
    print("我已经退出了，后会无期")