async def create_broker_connection(self, url):
"""Create an asynchronous connection to the broker."""
while True:
try:
self.broker = await websocket_connect(
url,
subprotocols=['token',
auth_token(self.keys).decode()])
except ConnectionRefusedError:
logger.warning("Cannot connect, retrying in 3s")
else:
logger.info("Connected to broker, waiting for incoming "
"messages")
# Start the periodic send of websocket alive messages
callback = PeriodicCallback(self.send_alive,
ALIVE_PERIOD * 1000)
callback.start()
self.fetch_nodes_cache('all')
while True:
message = await self.broker.read_message()
if message is None:
logger.warning("Connection with broker lost.")
callback.stop()
break
await self.on_broker_message(message)
await gen.sleep(3)
def create_broker_connection(self, url):
"""Create an asynchronous connection to the broker."""
while True:
try:
self.broker = yield websocket_connect(url)
except ConnectionRefusedError:
logger.debug("Cannot connect, retrying in 3s")
else:
logger.debug("Connected to broker, sending auth token")
self.broker.write_message(auth_token(self.keys))
while True:
message = yield self.broker.read_message()
if message is None:
logger.debug("Connection with broker lost.")
break
self.on_broker_message(message)
yield gen.sleep(3)