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Handle MQTT listeners by host with lists of topics, so we only need one listener thread per host

This commit is contained in:
Fabio Manganiello 2019-03-07 23:03:12 +01:00
parent 84099b2ab7
commit 022262eb78
1 changed files with 8 additions and 7 deletions
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15
platypush/backend/mqtt.py
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@ -116,9 +116,10 @@ class MqttBackend(Backend):
client.connect(host, port, 60)
client.loop_forever()
def on_connect(topic):
def on_connect(topics):
def handler(client, userdata, flags, rc):
client.subscribe(topic)
for topic in topics:
client.subscribe(topic)
return handler
def on_message(client, userdata, msg):
@ -135,18 +136,18 @@ class MqttBackend(Backend):
for i, listener in enumerate(listeners_conf):
host = listener.get('host')
port = listener.get('port', self._default_mqtt_port)
topic = listener.get('topic')
topics = listener.get('topics')
username = listener.get('username')
password = listener.get('password')
tls_cafile = listener.get('tls_cafile')
if not host or not topic:
self.logger.warning('No host nor topic specified for listener ' +
'n.{}'.format(i+1))
if not host or not topics:
self.logger.warning('No host nor list of topics specified for ' +
'listener n.{}'.format(i+1))
continue
client = mqtt.Client()
client.on_connect = on_connect(topic)
client.on_connect = on_connect(topics)
client.on_message = on_message
if username and password: