1###############################################################################
2#
3# The MIT License (MIT)
4#
5# Copyright (c) Crossbar.io Technologies GmbH
6#
7# Permission is hereby granted, free of charge, to any person obtaining a copy
8# of this software and associated documentation files (the "Software"), to deal
9# in the Software without restriction, including without limitation the rights
10# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11# copies of the Software, and to permit persons to whom the Software is
12# furnished to do so, subject to the following conditions:
13#
14# The above copyright notice and this permission notice shall be included in
15# all copies or substantial portions of the Software.
16#
17# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23# THE SOFTWARE.
24#
25###############################################################################
26
27import sys
28
29from twisted.internet import reactor
30from twisted.internet.protocol import ReconnectingClientFactory
31from twisted.python import log
32
33from autobahn.twisted.websocket import WebSocketClientFactory, \
34    WebSocketClientProtocol, \
35    connectWS
36
37
38class EchoClientProtocol(WebSocketClientProtocol):
39
40    def sendHello(self):
41        self.sendMessage("Hello, world!".encode('utf8'))
42
43    def onOpen(self):
44        self.sendHello()
45
46    def onMessage(self, payload, isBinary):
47        if not isBinary:
48            print("Text message received: {}".format(payload.decode('utf8')))
49        reactor.callLater(1, self.sendHello)
50
51
52class EchoClientFactory(ReconnectingClientFactory, WebSocketClientFactory):
53
54    protocol = EchoClientProtocol
55
56    # http://twistedmatrix.com/documents/current/api/twisted.internet.protocol.ReconnectingClientFactory.html
57    #
58    maxDelay = 10
59    maxRetries = 5
60
61    def startedConnecting(self, connector):
62        print('Started to connect.')
63
64    def clientConnectionLost(self, connector, reason):
65        print('Lost connection. Reason: {}'.format(reason))
66        ReconnectingClientFactory.clientConnectionLost(self, connector, reason)
67
68    def clientConnectionFailed(self, connector, reason):
69        print('Connection failed. Reason: {}'.format(reason))
70        ReconnectingClientFactory.clientConnectionFailed(self, connector, reason)
71
72
73if __name__ == '__main__':
74
75    if len(sys.argv) < 2:
76        print("Need the WebSocket server address, i.e. ws://127.0.0.1:9000")
77        sys.exit(1)
78
79    log.startLogging(sys.stdout)
80
81    factory = EchoClientFactory(sys.argv[1])
82    connectWS(factory)
83
84    reactor.run()
85