#创建SocketServerTCP服务器：
import SocketServer
from SocketServer import StreamRequestHandler as SRH
from time import ctime

host = 'xxx.xxx.xxx.xxx'
port = 9999
addr = (host,port)

class Servers(SRH):
    def handle(self):
        print 'got connection from ',self.client_address
        self.wfile.write('connection %s:%s at %s succeed!' % (host,port,ctime()))
        while True:
            data = self.request.recv(1024)
            if not data: 
                break
            print data
            print "RECV from ", self.client_address[0]
            self.request.send(data)
print 'server is running....'
server = SocketServer.ThreadingTCPServer(addr,Servers)
server.serve_forever()

from socket import *

host = 'xxx.xxx.xxx.xxx'
port = 9999
bufsize = 1024
addr = (host,port)
client = socket(AF_INET,SOCK_STREAM)
client.connect(addr)
while True:
    data = raw_input()
    if not data or data=='exit':
        break
    client.send('%s\r\n' % data)
    data = client.recv(bufsize)
    if not data:
        break
    print data.strip()
client.close()