#!/usr/bin/python # Twisted, the Framework of Your Internet # Copyright (C) 2001 Matthew W. Lefkowitz # # This library is free software; you can redistribute it and/or # modify it under the terms of version 2.1 of the GNU Lesser General Public # License as published by the Free Software Foundation. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA from twisted.internet.protocol import ConnectedDatagramProtocol from twisted.internet import reactor class ConnectedEchoClientDatagramProtocol(ConnectedDatagramProtocol): strings = [ "Hello, world!", "What a fine day it is.", "Bye-bye!" ] def startProtocol(self): self.sendDatagram() def sendDatagram(self): if len(self.strings): datagram = self.strings.pop(0) self.transport.write(datagram) else: reactor.stop() def datagramReceived(self, datagram): print 'Datagram received: ', repr(datagram) self.sendDatagram() def main(): protocol = ConnectedEchoClientDatagramProtocol() reactor.connectUDP('localhost', 8000, protocol) reactor.run() if __name__ == '__main__': main()