#!/usr/bin/env python # # Copyright 2007 Doug Hellmann. # # # All Rights Reserved # # Permission to use, copy, modify, and distribute this software and # its documentation for any purpose and without fee is hereby # granted, provided that the above copyright notice appear in all # copies and that both that copyright notice and this permission # notice appear in supporting documentation, and that the name of Doug # Hellmann not be used in advertising or publicity pertaining to # distribution of the software without specific, written prior # permission. # # DOUG HELLMANN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, # INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN # NO EVENT SHALL DOUG HELLMANN BE LIABLE FOR ANY SPECIAL, INDIRECT OR # CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS # OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, # NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN # CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. # """Echo server example for SocketServer """ __version__ = "$Id$" #end_pymotw_header import SocketServer class EchoRequestHandler(SocketServer.BaseRequestHandler): def handle(self): # Echo the back to the client data = self.request.recv(1024) self.request.send(data) return if __name__ == '__main__': import socket import threading address = ('localhost', 0) # let the kernel give us a port server = SocketServer.TCPServer(address, EchoRequestHandler) ip, port = server.server_address # find out what port we were given t = threading.Thread(target=server.serve_forever) t.setDaemon(True) # don't hang on exit t.start() # Connect to the server s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((ip, port)) # Send the data message = 'Hello, world' print 'Sending : "%s"' % message len_sent = s.send(message) # Receive a response response = s.recv(len_sent) print 'Received: "%s"' % response # Clean up s.close() server.socket.close()