socket模块

 1 #!/usr/bin/python
import socket,time

# Address
HOST = ''
PORT = 8000

reply = 'Yes'

# Configure socket
s      = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((HOST, PORT))

# passively wait, 3: maximum number of connections in the queue
s.listen(3)
#conn, addr = s.accept()
while True:
    conn, addr = s.accept()
# receive message
    request    = conn.recv(1024)
    print 'request is: ',request
    print 'Connected by', addr
    time.sleep(15)
    request    = conn.recv(1024)
    print 'request is: ',request
    # send message
    conn.sendall(reply)
    # close connection
    conn.close()

客户端：

import socket,time

# Address
HOST = '127.0.0.1'
PORT = 8000

request = 'can you hear me?'

# configure socket
s       = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((HOST, PORT))

# send message
s.sendall(request)
s.sendall(request)
s.sendall(request)
#time.sleep
s.sendall(request)
s.sendall(request)
# receive message
#reply   = s.recv(1024)
#print 'reply is: ',reply
#time.sleep(15)
# close connection
s.close()