#!/usr/bin/env python
# Simple Server - Chapter 1 - server.py
import socket
host = '' # Bind to all interfaces
port = 51423
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) #SO_REUSEADDR为可服用选项
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()
客户端只要用telnet登录就可以:
$ telnet localhost 51423
Trying 127.0.0.1...
Connect to localhost
...
...
...