80 lines
2.3 KiB
Python
80 lines
2.3 KiB
Python
import txaio
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txaio.use_twisted()
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from twisted.internet import reactor
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from twisted.internet.defer import inlineCallbacks
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from twisted.internet.endpoints import TCP4ClientEndpoint
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from twisted.application.internet import ClientService
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from autobahn.wamp.types import ComponentConfig
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from autobahn.twisted.wamp import ApplicationSession, WampWebSocketClientFactory
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def add2(a, b):
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print('add2 called: {} {}'.format(a, b))
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return a + b
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class MyAppSession(ApplicationSession):
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def __init__(self, config):
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ApplicationSession.__init__(self, config)
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self._countdown = 5
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def onConnect(self):
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self.log.info('transport connected')
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# lets join a realm .. normally, we would also specify
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# how we would like to authenticate here
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self.join(self.config.realm)
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def onChallenge(self, challenge):
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self.log.info('authentication challenge received')
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@inlineCallbacks
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def onJoin(self, details):
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self.log.info('session joined: {}'.format(details))
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yield self.register(add2, u'com.example.add2')
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for i in range(10):
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res = yield self.call(u'com.example.add2', 23, i)
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self.log.info('result: {}'.format(res))
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yield self.leave()
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def onLeave(self, details):
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self.log.info('session left: {}'.format(details))
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self.disconnect()
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def onDisconnect(self):
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self.log.info('transport disconnected')
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# this is to clean up stuff. it is not our business to
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# possibly reconnect the underlying connection
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self._countdown -= 1
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if self._countdown <= 0:
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try:
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reactor.stop()
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except ReactorNotRunning:
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pass
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if __name__ == '__main__':
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txaio.start_logging(level='info')
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# create a WAMP session object. this is reused across multiple
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# reconnects (if automatically reconnected)
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session = MyAppSession(ComponentConfig(u'realm1', {}))
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# create a WAMP transport factory
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transport = WampWebSocketClientFactory(session, url=u'ws://localhost:8080/ws')
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# create a connecting endpoint
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endpoint = TCP4ClientEndpoint(reactor, 'localhost', 8080)
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# create and start an automatically reconnecting client
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service = ClientService(endpoint, transport)
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service.startService()
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# enter the event loop
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reactor.run()
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