doc/core/examples/echoclient.py

   1 #!/usr/bin/env python
   2
   3 # Copyright (c) Twisted Matrix Laboratories.
   4 # See LICENSE for details.
   5
   6
   7 from twisted.internet.protocol import ClientFactory
   8 from twisted.protocols.basic import LineReceiver
   9 from twisted.internet import reactor
  10 import sys
  11
  12 class EchoClient(LineReceiver):
  13     end="Bye-bye!"
  14     def connectionMade(self):
  15         self.sendLine("Hello, world!")
  16         self.sendLine("What a fine day it is.")
  17         self.sendLine(self.end)
  18
  19     def lineReceived(self, line):
  20         print "receive:", line
  21         if line==self.end:
  22             self.transport.loseConnection()
  23
  24 class EchoClientFactory(ClientFactory):
  25     protocol = EchoClient
  26
  27     def clientConnectionFailed(self, connector, reason):
  28         print 'connection failed:', reason.getErrorMessage()
  29         reactor.stop()
  30
  31     def clientConnectionLost(self, connector, reason):
  32         print 'connection lost:', reason.getErrorMessage()
  33         reactor.stop()
  34
  35 def main():
  36     factory = EchoClientFactory()
  37     reactor.connectTCP('localhost', 8000, factory)
  38     reactor.run()
  39
  40 if __name__ == '__main__':
  41     main()