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###############################################################################
#
# 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.
#
###############################################################################
import sys
import six
import datetime
try:
import asyncio
except ImportError:
# Trollius >= 0.3 was renamed
import trollius as asyncio
from autobahn.asyncio import wamp, websocket
class MyBackendComponent(wamp.ApplicationSession):
"""
Application code goes here. This is an example component that provides
a simple procedure which can be called remotely from any WAMP peer.
It also publishes an event every second to some topic.
"""
def onConnect(self):
self.join(u"realm1")
@asyncio.coroutine
def onJoin(self, details):
# register a procedure for remote calling
##
def utcnow():
print("Someone is calling me;)")
now = datetime.datetime.utcnow()
return six.u(now.strftime("%Y-%m-%dT%H:%M:%SZ"))
reg = yield from self.register(utcnow, u'com.timeservice.now')
print("Registered procedure with ID {}".format(reg.id))
# publish events to a topic
##
counter = 0
while True:
self.publish(u'com.myapp.topic1', counter)
print("Published event.")
counter += 1
yield from asyncio.sleep(1)
if __name__ == '__main__':
# 1) create a WAMP router factory
router_factory = wamp.RouterFactory()
# 2) create a WAMP router session factory
session_factory = wamp.RouterSessionFactory(router_factory)
# 3) Optionally, add embedded WAMP application sessions to the router
session_factory.add(MyBackendComponent())
# 4) create a WAMP-over-WebSocket transport server factory
transport_factory = websocket.WampWebSocketServerFactory(session_factory,
debug=False,
debug_wamp=False)
# 5) start the server
loop = asyncio.get_event_loop()
coro = loop.create_server(transport_factory, '127.0.0.1', 8080)
server = loop.run_until_complete(coro)
try:
# 6) now enter the asyncio event loop
loop.run_forever()
except KeyboardInterrupt:
pass
finally:
server.close()
loop.close()
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