UDP

client

#!/usr/bin/env python2.7#-*-coding:utf-8 -*-import sockets=socket.socket(socket.AF_INET,socket.SOCK_DGRAM)s.sendto("hello",("localhost",8001))data,addr = s.recvfrom(1024)print "receive data:%s from %s" % (data,str(addr))

server

#!/usr/bin/env python2.7#-*-coding:utf-8 -*-import socketport=8001s = socket.socket(socket.AF_INET,socket.SOCK_DGRAM)s.bind(("",port))while True:    data,client = s.recvfrom(1024)    print "receive a connection from %s" % str(client)    s.sendto("echo:"+data,client)

TCP

client

#!/usr/bin/env python2.7#-*-coding:utf-8 -*-import sockets=socket.socket(socket.AF_INET,socket.SOCK_STREAM,0)host="localhost"port=5531s.connect((host,port))msg=raw_input("Msg:")s.send(msg)data=s.recv(1024)print "Reply from server----%s" % data

server

#!/usr/bin/env python2.7#-*-coding:utf-8-*-import sockets = socket.socket(socket.AF_INET,socket.SOCK_STREAM,0)host = "localhost"port = 1235s.bind((host,port))s.listen(3)while True:    client,ipaddr = s.accept()    print "Got a connect from %s" % str(ipaddr)    data = client.recv(1024)    print "receive data:%s" % data    client.send("echo:"+data)    client.close()

 

测试连接MySQL端口，完成tcp三次握手