deb-python-autobahn/examples/asyncio/wamp/rpc/options/frontend.py

61 lines
2.2 KiB
Python

###############################################################################
#
# 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
# 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.
#
###############################################################################
import asyncio
from os import environ
from autobahn.wamp.types import CallOptions, RegisterOptions, PublishOptions
from autobahn.asyncio.wamp import ApplicationSession, ApplicationRunner
class Component(ApplicationSession):
"""
An application component calling the different backend procedures.
"""
async def onJoin(self, details):
def on_event(val):
print("Someone requested to square non-positive: {}".format(val))
await self.subscribe(on_event, u'com.myapp.square_on_nonpositive')
for val in [2, 0, -2]:
res = await self.call(u'com.myapp.square', val, options=CallOptions())
print("Squared {} = {}".format(val, res))
await self.leave()
def onDisconnect(self):
asyncio.get_event_loop().stop()
if __name__ == '__main__':
runner = ApplicationRunner(
environ.get("AUTOBAHN_DEMO_ROUTER", u"ws://127.0.0.1:8080/ws"),
u"crossbardemo",
)
runner.run(Component)