python udp编程实例

与python tcp编程控制见 http://blog.csdn.net/aspnet_lyc/article/details/39854569

c++ udp/tcp 编程见 http://blog.csdn.net/aspnet_lyc/article/details/38946915

http://blog.csdn.net/aspnet_lyc/article/details/34444111

server

import socket

PORT      = 9999
BIND_ADDR = ''
MAXLINE   = 1024
buf      = []

listenfd = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
listenfd.bind((BIND_ADDR, PORT))

while True:
	buf, client_addr = listenfd.recvfrom(MAXLINE)
	print 'recieve data from %s: %s' % (client_addr, buf)
	buf = 'Hello, this is server'
	listenfd.sendto(buf, client_addr)

client

import socket

PORT     = 9999
SADDR    = '127.0.0.1'
MAXLINE  = 1024
buf     = 'Hello, this is client'

sockfd = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sockfd.sendto(buf, (SADDR, PORT))
buf,server_addr = sockfd.recvfrom(MAXLINE)
print 'recieve data from server: %s' % buf

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