python网络编程

#server.py

from socket import *
from time import ctime

HOST = ''
PORT = 21567
BUFSIZ = 1024
ADDR = (HOST, PORT)

tcpSerSock = socket(AF_INET, SOCK_STREAM)
tcpSerSock.bind(ADDR)
tcpSerSock.listen(5)

while True:
    print 'waiting for connecting'
    tcpCliSock, addr = tcpSerSock.accept()
    print 'connected from:', addr
    print tcpCliSock
    while True:
        data = tcpCliSock.recv(BUFSIZ)
        if not data:
            break
        tcpCliSock.send('[%s] %s' % (ctime(), data))
    tcpCliSock.close()
tcpSerSock.close()


#client.py

from socket import *
HOST = '127.0.0.1'
PORT = 21567
BUFSIZ = 1024
ADDR = (HOST, PORT)

tcpCliSock = socket(AF_INET, SOCK_STREAM)
tcpCliSock.connect(ADDR)
while True:
    data = raw_input('> ')
    if not data:
        break
    tcpCliSock.send(data)
    data = tcpCliSock.recv(BUFSIZ)
    if not data:
        break
    print data
tcpCliSock.close()

#socketserver

from SocketServer import TCPServer as TCP, StreamRequestHandler as SRH
from time import ctime

HOST = ''
PORT = 21567
ADDR = (HOST, PORT)

class MyRequestHandler(SRH):
    def handle(self):
        print 'connected from:', self.client_address
        self.wfile.write('[%s] %s' % (ctime(), self.rfile.readline()))
tcpServ = TCP(ADDR, MyRequestHandler)
print 'waiting for connecting...'
tcpServ.serve_forever()

#socketclient

from socket import *
HOST = '127.0.0.1'
PORT = 21567
BUFSIZ = 1024
ADDR = (HOST, PORT)

while True:
    tcpCliSock = socket(AF_INET, SOCK_STREAM)
    tcpCliSock.connect(ADDR)
    data = raw_input('> ')
    if not data:
        break
    tcpCliSock.send('%s
' % data)
    data = tcpCliSock.recv(BUFSIZ)
    if not data:
        break
    print data.strip()
    tcpCliSock.close()