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#!/usr/bin/env python3

# -*- coding: utf-8 -*-

'练习UDP网络协议'

__author__ = 'sergiojune'

import socket

# 此文件用于当服务器

# 创建socket

s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) # 第二个参数为指定udp协议

# 绑定端口，不需要监听

s.bind(('127.0.0.1', 9999))

print('await connect')

while True:

data, addr = s.recvfrom(1024) # 这个直接返回客户端的ip和请求信息

print('connect form %s:%s' % addr)

# 发送数据回客户端

s.sendto(b'hello %s' % data, addr) # 第二个参数为发送到的ip