74 lines
2.7 KiB
Python
74 lines
2.7 KiB
Python
###############################################################################
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#
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# The MIT License (MIT)
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#
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# Copyright (c) Tavendo GmbH
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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###############################################################################
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from __future__ import print_function
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from os import environ
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from twisted.internet import reactor
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from twisted.internet.defer import inlineCallbacks
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from autobahn.twisted.wamp import ApplicationSession, ApplicationRunner
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class Component(ApplicationSession):
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"""
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An application component that subscribes and receives events, and
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stop after having received 5 events.
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"""
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@inlineCallbacks
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def onJoin(self, details):
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print("session attached")
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self.received = 0
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sub = yield self.subscribe(self.on_event, 'com.myapp.topic1')
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print("Subscribed to 'com.myapp.topic1' with {}".format(sub.id))
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def on_event(self, i):
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print("Got event: {}".format(i))
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self.received += 1
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# self.config.extra for configuration, etc. (see [A])
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if self.received > self.config.extra['max_events']:
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print("Received enough events; disconnecting.")
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self.leave()
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def onDisconnect(self):
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print("disconnected")
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if reactor.running:
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reactor.stop()
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if __name__ == '__main__':
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runner = ApplicationRunner(
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environ.get("AUTOBAHN_DEMO_ROUTER", "ws://localhost:8080/ws"),
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u"crossbardemo",
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extra=dict(
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max_events=5, # [A] pass in additional configuration
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),
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debug_wamp=False, # optional; log many WAMP details
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debug=False, # optional; log even more details
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)
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runner.run(Component)
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