python实现TCP服务器端与客户端的方法详解

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

from socket import *
HOST = 'localhost'
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)
 data1 = tcpCliSock.recv(BUFSIZ)
 if not data1:
 break
 print data1
tcpCliSock.close()

D:codeex>python tsTserv.py
waiting for connection...
...connected from: ('127.0.0.1', 2883)
waiting for connection...
...connected from: ('127.0.0.1', 2885)
waiting for connection...
...connected from: ('127.0.0.1', 2889)
waiting for connection...
...connected from: ('127.0.0.1', 2891)
waiting for connection...
...connected from: ('127.0.0.1', 2892)
waiting for connection...
...connected from: ('127.0.0.1', 2893)
waiting for connection...

D:codeex>python tsTclnt.py
> 1
[Thu Feb 02 15:52:21 2012] 1
> 2
[Thu Feb 02 15:52:22 2012] 2
> 3
[Thu Feb 02 15:52:22 2012] 3
> 5
[Thu Feb 02 15:52:23 2012] 5
> 6
[Thu Feb 02 15:52:24 2012] 6
>
D:codeex>