Files
deb-python-autobahn/examples/twisted/wamp/pubsub/complex/frontend.py
2015-09-05 10:59:08 +02:00

77 lines
2.6 KiB
Python

###############################################################################
#
# The MIT License (MIT)
#
# Copyright (c) Tavendo 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 autobahn.wamp.types import SubscribeOptions
from autobahn.twisted.wamp import ApplicationSession, ApplicationRunner
class Component(ApplicationSession):
"""
An application component that subscribes and receives events
of no payload and of complex payload, and stops after 5 seconds.
"""
@inlineCallbacks
def onJoin(self, details):
print("session attached")
self.received = 0
def on_heartbeat(details=None):
print("heartbeat (publication ID {})".format(details.publication))
yield self.subscribe(
on_heartbeat, 'com.myapp.heartbeat',
options=SubscribeOptions(details_arg='details')
)
def on_topic2(a, b, c=None, d=None):
print("Got event: {} {} {} {}".format(a, b, c, d))
yield self.subscribe(on_topic2, 'com.myapp.topic2')
reactor.callLater(5, self.leave)
def onDisconnect(self):
print("disconnected")
reactor.stop()
if __name__ == '__main__':
runner = ApplicationRunner(
environ.get("AUTOBAHN_DEMO_ROUTER", u"ws://127.0.0.1:8080/ws"),
u"crossbardemo",
debug_wamp=False, # optional; log many WAMP details
debug=False, # optional; log even more details
)
runner.run(Component)