def start_queue_device():
factory = ZmqFactory()
frontend_endpoint = ZmqEndpoint(ZmqEndpointType.bind, options.frontend_endpoint)
frontend = ZmqRepConnection(frontend_endpoint)
frontend = yield frontend.listen(factory)
print "broker's frontend router connection is ready"
print frontend
backend_endpoint = ZmqEndpoint(ZmqEndpointType.bind, options.backend_endpoint)
backend = ZmqReqConnection(backend_endpoint)
backend = yield backend.listen(factory)
print "broker's backend dealer connection is ready"
print backend
broker = ZmqQueue(frontend, backend)
print "broker is ready"
print broker
defer.returnValue(None)
