1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
#!/usr/bin/env python
# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
from twisted.internet import task
from twisted.internet.defer import Deferred
from twisted.internet.protocol import ClientFactory
from twisted.protocols.basic import LineReceiver
class EchoClient(LineReceiver):
end = b"Bye-bye!"
def connectionMade(self):
self.sendLine(b"Hello, world!")
self.sendLine(b"What a fine day it is.")
self.sendLine(self.end)
def lineReceived(self, line):
print("receive:", line)
if line == self.end:
self.transport.loseConnection()
class EchoClientFactory(ClientFactory):
protocol = EchoClient
def __init__(self):
self.done = Deferred()
def clientConnectionFailed(self, connector, reason):
print("connection failed:", reason.getErrorMessage())
self.done.errback(reason)
def clientConnectionLost(self, connector, reason):
print("connection lost:", reason.getErrorMessage())
self.done.callback(None)
def main(reactor):
factory = EchoClientFactory()
reactor.connectTCP("localhost", 8000, factory)
return factory.done
if __name__ == "__main__":
task.react(main)
|
