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###############################################################################
#
# The MIT License (MIT)
#
# Copyright (c) typedef int 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
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
###############################################################################
from os import environ
from twisted.internet import reactor
from twisted.internet.defer import inlineCallbacks
from twisted.python.failure import Failure
from autobahn import wamp
from autobahn.twisted.wamp import ApplicationSession, ApplicationRunner
class Component(ApplicationSession):
"""
An application component that subscribes and receives events,
and stop after having received 5 events.
"""
@inlineCallbacks
def onJoin(self, details):
print("session attached")
# subscribe all methods on this object decorated with "@wamp.subscribe"
# as PubSub event handlers
results = yield self.subscribe(self)
# check we didn't have any errors
for sub in results:
if isinstance(sub, Failure):
print("subscribe failed:", sub.getErrorMessage())
@wamp.subscribe('com.myapp.topic1')
def onEvent1(self, i):
print("Got event on topic1: {}".format(i))
@wamp.subscribe('com.myapp.topic2')
def onEvent2(self, msg):
print("Got event on topic2: {}".format(msg))
def onDisconnect(self):
print("disconnected")
reactor.stop()
if __name__ == '__main__':
url = environ.get("AUTOBAHN_DEMO_ROUTER", "ws://127.0.0.1:8080/ws")
realm = "crossbardemo"
runner = ApplicationRunner(url, realm)
runner.run(Component)
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