/
backend.py
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/
backend.py
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###############################################################################
#
# 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.
#
###############################################################################
from os import environ
from twisted.internet.defer import inlineCallbacks, \
returnValue
from autobahn.twisted.wamp import ApplicationSession, ApplicationRunner
from autobahn.twisted.util import sleep
class Component(ApplicationSession):
"""
A math service application component.
"""
@inlineCallbacks
def onJoin(self, details):
print("session attached")
def square(x):
return x * x
yield self.register(square, u'com.math.square')
@inlineCallbacks
def slowsquare(x, delay=1):
yield sleep(delay)
returnValue(x * x)
yield self.register(slowsquare, u'com.math.slowsquare')
print("procedures registered")
if __name__ == '__main__':
import six
url = environ.get("AUTOBAHN_DEMO_ROUTER", u"ws://127.0.0.1:8080/ws")
if six.PY2 and type(url) == six.binary_type:
url = url.decode('utf8')
realm = u"crossbardemo"
runner = ApplicationRunner(url, realm)
runner.run(Component)