diff options
Diffstat (limited to 'src/home/mqtt/_wrapper.py')
-rw-r--r-- | src/home/mqtt/_wrapper.py | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/home/mqtt/_wrapper.py b/src/home/mqtt/_wrapper.py new file mode 100644 index 0000000..f858f88 --- /dev/null +++ b/src/home/mqtt/_wrapper.py @@ -0,0 +1,59 @@ +import paho.mqtt.client as mqtt + +from ._mqtt import Mqtt +from ._node import MqttNode +from ..config import config +from ..util import strgen + + +class MqttWrapper(Mqtt): + _nodes: list[MqttNode] + + def __init__(self, + client_id: str, + topic_prefix='hk', + randomize_client_id=False, + clean_session=True): + if randomize_client_id: + client_id += '_'+strgen(6) + super().__init__(clean_session=clean_session, + client_id=client_id) + self._nodes = [] + self._topic_prefix = topic_prefix + + def on_connect(self, client: mqtt.Client, userdata, flags, rc): + super().on_connect(client, userdata, flags, rc) + for node in self._nodes: + node.on_connect(self) + + def on_disconnect(self, client: mqtt.Client, userdata, rc): + super().on_disconnect(client, userdata, rc) + for node in self._nodes: + node.on_disconnect() + + def on_message(self, client: mqtt.Client, userdata, msg): + try: + topic = msg.topic + for node in self._nodes: + node.on_message(topic[len(f'{self._topic_prefix}/{node.id}/'):], msg.payload) + except Exception as e: + self._logger.exception(str(e)) + + def add_node(self, node: MqttNode): + self._nodes.append(node) + if self._connected: + node.on_connect(self) + + def subscribe(self, + node_id: str, + topic: str, + qos: int): + self._client.subscribe(f'{self._topic_prefix}/{node_id}/{topic}', qos) + + def publish(self, + node_id: str, + topic: str, + payload: bytes, + qos: int): + self._client.publish(f'{self._topic_prefix}/{node_id}/{topic}', payload, qos) + self._client.loop_write() |