class StompHub(MessagingHub, ReconnectingClientFactory): username = None password = None proto = None frames = None def __init__(self, host, port, username, password, topics=None): self.username = username self.password = password self._topics = topics or [] self._frames = [] reactor.connectTCP(host, int(port), self) def buildProtocol(self, addr): self.proto = StompProtocol(self, self.username, self.password) return self.proto def connected(self): for topic in self._topics: log.debug('Subscribing to %s topic' % topic) self.subscribe(topic) self._topics = [] for frame in self._frames: log.debug('Flushing queued frame') self.proto.transport.write(frame.pack()) self._frames = [] def clientConnectionLost(self, connector, reason): log.info('Lost connection. Reason: %s' % reason) def clientConnectionFailed(self, connector, reason): log.error('Connection failed. Reason: %s' % reason) ReconnectingClientFactory.clientConnectionFailed(self, connector, reason) def send_message(self, topic, message): f = stomper.Frame() f.unpack(stomper.send(topic, message)) if not self.proto: log.debug("Queueing stomp frame for later delivery") self._frames.append(f) else: self.proto.transport.write(f.pack()) def subscribe(self, topic): if not self.proto: if topic not in self._topics: self._topics.append(topic) else: self.proto.subscribe(topic)
def buildProtocol(self, addr): self.proto = StompProtocol(self, self.username, self.password) return self.proto
class StompHubExtension(MessagingHubExtension, ReconnectingClientFactory): username = None password = None proto = None frames = None def __init__(self, hub, config): from moksha.hub.reactor import reactor self.config = config self.hub = hub self._topics = hub.topics.keys() self._frames = [] port = self.config.get('stomp_port', 61613) host = self.config.get('stomp_broker') self.username = self.config.get('stomp_user', 'guest') self.password = self.config.get('stomp_pass', 'guest') reactor.connectTCP(host, int(port), self) super(StompHubExtension, self).__init__() def buildProtocol(self, addr): self.proto = StompProtocol(self, self.username, self.password) return self.proto def connected(self): for topic in self._topics: log.debug('Subscribing to %s topic' % topic) self.subscribe(topic, callback=lambda msg: None) self._topics = [] for frame in self._frames: log.debug('Flushing queued frame') self.proto.transport.write(frame.pack()) self._frames = [] def clientConnectionLost(self, connector, reason): log.info('Lost connection. Reason: %s' % reason) def clientConnectionFailed(self, connector, reason): log.error('Connection failed. Reason: %s' % reason) ReconnectingClientFactory.clientConnectionFailed(self, connector, reason) def send_message(self, topic, message, **headers): f = stomper.Frame() f.unpack(stomper.send(topic, message)) if not self.proto: log.debug("Queueing stomp frame for later delivery") self._frames.append(f) else: self.proto.transport.write(f.pack()) super(StompHubExtension, self).send_message(topic, message, **headers) def subscribe(self, topic, callback): # FIXME -- note, the callback is just thrown away here. log.warn("STOMP callback thrown away.") if not self.proto: if topic not in self._topics: self._topics.append(topic) else: self.proto.subscribe(topic) super(StompHubExtension, self).subscribe(topic, callback)
class StompHubExtension(MessagingHubExtension, ReconnectingClientFactory): username = None password = None proto = None frames = None def __init__(self, hub, config): from moksha.hub.reactor import reactor self.config = config self.hub = hub self._topics = hub.topics.keys() self._frames = [] port = self.config.get('stomp_port', 61613) host = self.config.get('stomp_broker') self.username = self.config.get('stomp_user', 'guest') self.password = self.config.get('stomp_pass', 'guest') reactor.connectTCP(host, int(port), self) super(StompHubExtension, self).__init__() def buildProtocol(self, addr): self.proto = StompProtocol(self, self.username, self.password) return self.proto def connected(self): for topic in self._topics: log.debug('Subscribing to %s topic' % topic) self.subscribe(topic, callback=lambda msg: None) self._topics = [] for frame in self._frames: log.debug('Flushing queued frame') self.proto.transport.write(frame.pack()) self._frames = [] def clientConnectionLost(self, connector, reason): log.info('Lost connection. Reason: %s' % reason) def clientConnectionFailed(self, connector, reason): log.error('Connection failed. Reason: %s' % reason) ReconnectingClientFactory.clientConnectionFailed( self, connector, reason) def send_message(self, topic, message, **headers): f = stomper.Frame() f.unpack(stomper.send(topic, message)) if not self.proto: log.debug("Queueing stomp frame for later delivery") self._frames.append(f) else: self.proto.transport.write(f.pack()) super(StompHubExtension, self).send_message(topic, message, **headers) def subscribe(self, topic, callback): # FIXME -- note, the callback is just thrown away here. log.warn("STOMP callback thrown away.") if not self.proto: if topic not in self._topics: self._topics.append(topic) else: self.proto.subscribe(topic) super(StompHubExtension, self).subscribe(topic, callback)