test for python socket

server:

#!/usr/bin/python

import socket
import threading
import time

def tcplink(sock, addr):
    print 'accept new connection from %s:%s...' % addr
    sock.send('welcome to hahaha!')
    while True:
        data = sock.recv(1024)
        time.sleep(1)
        if data == 'exit' or not data:
            break
        print 'recv msg: %s from %s' % (data,addr)
        sock.send('hello,%s!' % data)
    sock.close()
    print 'connection from %s:%s closed.' % addr

s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
s.bind(('0.0.0.0',9999))
s.listen(5)
print 'waiting for connection...'

while True:
    sock, addr = s.accept()
    tt = threading.Thread(target=tcplink,args=(sock,addr))
    tt.start()

client:

#!/usr/bin/python

import socket

s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
s.connect(('127.0.0.1',9999))
print 'recv msg:%s' % s.recv(1024)

while True:
    data = raw_input('input sth:')
    if not data:
        continue
    if data == 'exit':
        break
    s.send(data)    
    print 'recv msg:%s' % s.recv(1024)
s.close()