Python网络编程基础 server.py

#!/usr/bin/env python
# Simple Server - Chapter 1 -server.py
import socket

host = ''
port = 51423


s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR,1)
s.bind((host, port))
s.listen(1)

print "Server is running on port %d; press Ctrl-C to terminate." %port

while 1:
    clientsock, clientaddr = s.accept()
    clientfile = clientsock.makefile('rw',0)
    clientfile.write("Welcome, " + str(clientaddr) + "\n")
    clientfile.write("Please enter a string: ")
    line = clientfile.readline().strip()
    clientfile.write("You entered %d characters. \n" % len(line))
    clientfile.close()
    clientsock.close()

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