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
49
50
|
# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
"""
An example client. Run simpleserv.py first before running this.
"""
from twisted.internet import protocol, reactor
# a client protocol
class EchoClient(protocol.Protocol):
"""Once connected, send a message, then print the result."""
def connectionMade(self):
self.transport.write(b"hello, world!")
def dataReceived(self, data):
"As soon as any data is received, write it back."
print("Server said:", data)
self.transport.loseConnection()
def connectionLost(self, reason):
print("connection lost")
class EchoFactory(protocol.ClientFactory):
protocol = EchoClient
def clientConnectionFailed(self, connector, reason):
print("Connection failed - goodbye!")
reactor.stop()
def clientConnectionLost(self, connector, reason):
print("Connection lost - goodbye!")
reactor.stop()
# this connects the protocol to a server running on port 8000
def main():
f = EchoFactory()
reactor.connectTCP("localhost", 8000, f)
reactor.run()
# this only runs if the module was *not* imported
if __name__ == "__main__":
main()
|
