client.py

###############################################################################
#
# The MIT License (MIT)
#
# Copyright (c) Crossbar.io Technologies GmbH
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
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# furnished to do so, subject to the following conditions:
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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from twisted.internet.protocol import ReconnectingClientFactory

from autobahn.twisted.websocket import WebSocketClientProtocol, \
    WebSocketClientFactory


class MyClientProtocol(WebSocketClientProtocol):

    def onConnect(self, response):
        print("Server connected: {0}".format(response.peer))
        self.factory.resetDelay()

    def onOpen(self):
        print("WebSocket connection open.")

        def hello():
            self.sendMessage(u"Hello, world!".encode('utf8'))
            self.sendMessage(b"\x00\x01\x03\x04", isBinary=True)
            self.factory.reactor.callLater(1, hello)

        # start sending messages every second ..
        hello()

    def onMessage(self, payload, isBinary):
        if isBinary:
            print("Binary message received: {0} bytes".format(len(payload)))
        else:
            print("Text message received: {0}".format(payload.decode('utf8')))

    def onClose(self, wasClean, code, reason):
        print("WebSocket connection closed: {0}".format(reason))


class MyClientFactory(WebSocketClientFactory, ReconnectingClientFactory):

    protocol = MyClientProtocol

    def clientConnectionFailed(self, connector, reason):
        print("Client connection failed .. retrying ..")
        self.retry(connector)

    def clientConnectionLost(self, connector, reason):
        print("Client connection lost .. retrying ..")
        self.retry(connector)


if __name__ == '__main__':

    import sys

    from twisted.python import log
    from twisted.internet import reactor

    log.startLogging(sys.stdout)

    factory = MyClientFactory(u"ws://127.0.0.1:9000")

    reactor.connectTCP("127.0.0.1", 9000, factory)
    reactor.run()