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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.defer import inlineCallbacks
from twisted.python.failure import Failure
from autobahn import wamp
from autobahn.twisted.wamp import ApplicationSession, ApplicationRunner
class MyService1(object):
@wamp.register('com.mathservice.add2')
def add2(self, x, y):
return x + y
@wamp.register('com.mathservice.mul2')
def mul2(self, x, y):
return x * y
class Component(ApplicationSession):
"""
An application component registering RPC endpoints using decorators.
"""
@inlineCallbacks
def onJoin(self, details):
print("session attached")
# to use this session to register all the @register decorated
# methods, we call register with the object; so here we create
# a MyService1 instance and register all the methods on it and
# on ourselves
results = []
svc1 = MyService1()
# register all @register-decorated methods from "svc1":
res = yield self.register(svc1)
results.extend(res)
# register all our own @register-decorated methods:
res = yield self.register(self)
results.extend(res)
for res in results:
if isinstance(res, Failure):
print("Failed to register procedure: {}".format(res.value))
else:
print("registration ID {}: {}".format(res.id, res.procedure))
@wamp.register('com.mathservice.square2')
def square2(self, x, y):
return x * x + y * y
@wamp.register('com.mathservice.div2')
def div2(self, x, y):
if y:
return float(x) / float(y)
else:
return 0
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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