#coding=utf-8
import socket
HOST='127.0.0.1'
PORT=52314
s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
s.bind((HOST,PORT))
s.listen(1)
while 1:
    conn,addr=s.accept()
    print 'The client on %s is connecting the server.' % str(addr)
    while 1:
        data=conn.recv(1024)
        if data=="\q":
            print 'The client is going to offline.'
            conn.close()
            break
        else:
            print data
conn.close()
s.close()

#coding=utf-8
import socket
HOST = '127.0.0.1'
PORT = 52314
try:
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    s.connect((HOST, PORT))
    while 1:
        cmd = raw_input()
        if cmd == "quit":
            print 'Bye!'
            s.sendall("\q")
            break
        s.sendall(cmd)
finally:
    s.sendall("\q")
    s.close()