mirror of
https://github.com/blakeblackshear/frigate.git
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Move mqtt to communication
This commit is contained in:
Nick Mowen
parent
f9eafb98ed
commit
89eadce5a6
202
frigate/communication/mqtt.py
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202
frigate/communication/mqtt.py
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@ -0,0 +1,202 @@
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import datetime
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import json
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import logging
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import threading
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from wsgiref.simple_server import make_server
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import paho.mqtt.client as mqtt
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from ws4py.server.wsgiutils import WebSocketWSGIApplication
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from ws4py.websocket import WebSocket
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from frigate.communication.dispatcher import Communicator
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from frigate.config import FrigateConfig
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from frigate.types import CameraMetricsTypes
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logger = logging.getLogger(__name__)
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class FrigateMqttClient(Communicator):
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"""Frigate wrapper for mqtt client."""
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def __init__(
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self, config: FrigateConfig, camera_metrics: dict[str, CameraMetricsTypes]
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) -> None:
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self.config = config
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self.mqtt_config = config.mqtt
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self.camera_metrics = camera_metrics
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self.connected: bool = False
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self._start()
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def subscribe(self, receiver) -> None:
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"""Wrapper for allowing dispatcher to subscribe."""
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self._dispatcher = receiver
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# register callbacks
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for name in self.config.cameras.keys():
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self.client.message_callback_add(
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f"{self.mqtt_config.topic_prefix}/{name}/recordings/set",
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self.on_mqtt_command,
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)
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self.client.message_callback_add(
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f"{self.mqtt_config.topic_prefix}/{name}/snapshots/set",
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self.on_mqtt_command,
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)
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self.client.message_callback_add(
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f"{self.mqtt_config.topic_prefix}/{name}/detect/set",
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self.on_mqtt_command,
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)
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self.client.message_callback_add(
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f"{self.mqtt_config.topic_prefix}/{name}/motion/set",
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self.on_mqtt_command,
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)
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self.client.message_callback_add(
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f"{self.mqtt_config.topic_prefix}/{name}/improve_contrast/set",
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self.on_mqtt_command,
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)
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self.client.message_callback_add(
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f"{self.mqtt_config.topic_prefix}/{name}/motion_threshold/set",
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self.on_mqtt_command,
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)
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self.client.message_callback_add(
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f"{self.mqtt_config.topic_prefix}/{name}/motion_contour_area/set",
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self.on_mqtt_command,
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)
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self.client.message_callback_add(
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f"{self.mqtt_config.topic_prefix}/restart", self.on_restart_command
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)
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def publish(self, topic: str, payload, retain: bool = False) -> None:
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"""Wrapper for publishing when client is in valid state."""
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if not self.connected:
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logger.error(f"Unable to publish to {topic}: client is not connected")
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return
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self.client.publish(topic, payload, retain=retain)
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def _set_initial_topics(self) -> None:
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"""Set initial state topics."""
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for camera_name, camera in self.config.cameras.items():
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self.publish(
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f"{self.mqtt_config.topic_prefix}/{camera_name}/recordings/state",
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"ON" if camera.record.enabled else "OFF",
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retain=True,
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)
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self.publish(
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f"{self.mqtt_config.topic_prefix}/{camera_name}/snapshots/state",
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"ON" if camera.snapshots.enabled else "OFF",
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retain=True,
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)
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self.publish(
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f"{self.mqtt_config.topic_prefix}/{camera_name}/detect/state",
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"ON" if camera.detect.enabled else "OFF",
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retain=True,
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)
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self.publish(
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f"{self.mqtt_config.topic_prefix}/{camera_name}/motion/state",
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"ON",
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retain=True,
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)
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self.publish(
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f"{self.mqtt_config.topic_prefix}/{camera_name}/improve_contrast/state",
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"ON" if camera.motion.improve_contrast else "OFF",
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retain=True,
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)
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self.publish(
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f"{self.mqtt_config.topic_prefix}/{camera_name}/motion_threshold/state",
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camera.motion.threshold,
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retain=True,
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)
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self.publish(
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f"{self.mqtt_config.topic_prefix}/{camera_name}/motion_contour_area/state",
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camera.motion.contour_area,
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retain=True,
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)
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self.publish(
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f"{self.mqtt_config.topic_prefix}/{camera_name}/motion",
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"OFF",
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retain=False,
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)
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self.publish(
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self.mqtt_config.topic_prefix + "/available", "online", retain=True
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)
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def on_mqtt_command(
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self, client: mqtt.Client, userdata, message: mqtt.MQTTMessage
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) -> None:
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self._dispatcher(
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message.topic.replace(f"{self.mqtt_config.topic_prefix}/", ""),
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message.payload.decode(),
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)
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def _on_connect(self, client: mqtt.Client, userdata, flags, rc) -> None:
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"""Mqtt connection callback."""
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threading.current_thread().name = "mqtt"
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if rc != 0:
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if rc == 3:
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logger.error(
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"Unable to connect to MQTT server: MQTT Server unavailable"
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)
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elif rc == 4:
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logger.error(
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"Unable to connect to MQTT server: MQTT Bad username or password"
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)
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elif rc == 5:
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logger.error("Unable to connect to MQTT server: MQTT Not authorized")
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else:
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logger.error(
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"Unable to connect to MQTT server: Connection refused. Error code: "
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+ str(rc)
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)
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self.connected = True
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logger.debug("MQTT connected")
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client.subscribe(f"{self.mqtt_config.topic_prefix}/#")
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self._set_initial_topics()
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def _on_disconnect(self, client: mqtt.Client, userdata, flags, rc) -> None:
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"""Mqtt disconnection callback."""
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self.connected = False
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logger.error("MQTT disconnected")
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def _start(self) -> None:
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"""Start mqtt client."""
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self.client = mqtt.Client(client_id=self.mqtt_config.client_id)
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self.client.on_connect = self._on_connect
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self.client.will_set(
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self.mqtt_config.topic_prefix + "/available",
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payload="offline",
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qos=1,
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retain=True,
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)
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if not self.mqtt_config.tls_ca_certs is None:
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if (
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not self.mqtt_config.tls_client_cert is None
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and not self.mqtt_config.tls_client_key is None
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):
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self.client.tls_set(
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self.mqtt_config.tls_ca_certs,
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self.mqtt_config.tls_client_cert,
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self.mqtt_config.tls_client_key,
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)
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else:
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self.client.tls_set(self.mqtt_config.tls_ca_certs)
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if not self.mqtt_config.tls_insecure is None:
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self.client.tls_insecure_set(self.mqtt_config.tls_insecure)
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if not self.mqtt_config.user is None:
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self.client.username_pw_set(
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self.mqtt_config.user, password=self.mqtt_config.password
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)
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try:
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# https://stackoverflow.com/a/55390477
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# with connect_async, retries are handled automatically
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self.client.connect_async(self.mqtt_config.host, self.mqtt_config.port, 60)
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self.client.loop_start()
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except Exception as e:
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logger.error(f"Unable to connect to MQTT server: {e}")
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return
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def add_topic_callback(self, topic: str, callback) -> None:
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self.client.message_callback_add(topic, callback)
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474
frigate/mqtt.py
474
frigate/mqtt.py
@ -1,474 +0,0 @@
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import datetime
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import json
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import logging
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import threading
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from wsgiref.simple_server import make_server
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import paho.mqtt.client as mqtt
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from ws4py.server.wsgirefserver import (
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WebSocketWSGIHandler,
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WebSocketWSGIRequestHandler,
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WSGIServer,
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)
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from ws4py.server.wsgiutils import WebSocketWSGIApplication
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from ws4py.websocket import WebSocket
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from frigate.config import FrigateConfig
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from frigate.types import CameraMetricsTypes
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from frigate.util import restart_frigate
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logger = logging.getLogger(__name__)
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class FrigateMqttClient:
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"""Frigate wrapper for mqtt client."""
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def __init__(
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self, config: FrigateConfig, camera_metrics: dict[str, CameraMetricsTypes]
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) -> None:
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self.config = config
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self.mqtt_config = config.mqtt
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self.camera_metrics = camera_metrics
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self.connected: bool = False
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self._start()
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def _set_initial_topics(self) -> None:
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"""Set initial state topics."""
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for camera_name, camera in self.config.cameras.items():
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self.publish(
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f"{self.mqtt_config.topic_prefix}/{camera_name}/recordings/state",
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"ON" if camera.record.enabled else "OFF",
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retain=True,
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)
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self.publish(
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f"{self.mqtt_config.topic_prefix}/{camera_name}/snapshots/state",
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"ON" if camera.snapshots.enabled else "OFF",
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retain=True,
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)
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self.publish(
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f"{self.mqtt_config.topic_prefix}/{camera_name}/detect/state",
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"ON" if camera.detect.enabled else "OFF",
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retain=True,
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)
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self.publish(
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f"{self.mqtt_config.topic_prefix}/{camera_name}/motion/state",
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"ON",
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retain=True,
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)
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self.publish(
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f"{self.mqtt_config.topic_prefix}/{camera_name}/improve_contrast/state",
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"ON" if camera.motion.improve_contrast else "OFF",
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retain=True,
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)
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self.publish(
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f"{self.mqtt_config.topic_prefix}/{camera_name}/motion_threshold/state",
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camera.motion.threshold,
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retain=True,
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)
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self.publish(
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f"{self.mqtt_config.topic_prefix}/{camera_name}/motion_contour_area/state",
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camera.motion.contour_area,
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retain=True,
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)
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self.publish(
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f"{self.mqtt_config.topic_prefix}/{camera_name}/motion",
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"OFF",
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retain=False,
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)
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self.publish(
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self.mqtt_config.topic_prefix + "/available", "online", retain=True
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)
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def on_recordings_command(
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self, client: mqtt.Client, userdata, message: mqtt.MQTTMessage
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) -> None:
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"""Callback for recordings topic."""
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payload = message.payload.decode()
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logger.debug(f"on_recordings_toggle: {message.topic} {payload}")
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camera_name = message.topic.split("/")[-3]
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record_settings = self.config.cameras[camera_name].record
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if payload == "ON":
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if not record_settings.enabled:
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logger.info(f"Turning on recordings for {camera_name} via mqtt")
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record_settings.enabled = True
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elif payload == "OFF":
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if record_settings.enabled:
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logger.info(f"Turning off recordings for {camera_name} via mqtt")
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record_settings.enabled = False
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else:
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logger.warning(f"Received unsupported value at {message.topic}: {payload}")
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state_topic = f"{message.topic[:-4]}/state"
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self.publish(state_topic, payload, retain=True)
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def on_snapshots_command(
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self, client: mqtt.Client, userdata, message: mqtt.MQTTMessage
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) -> None:
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"""Callback for snapshots topic."""
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payload = message.payload.decode()
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logger.debug(f"on_snapshots_toggle: {message.topic} {payload}")
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camera_name = message.topic.split("/")[-3]
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snapshots_settings = self.config.cameras[camera_name].snapshots
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if payload == "ON":
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if not snapshots_settings.enabled:
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logger.info(f"Turning on snapshots for {camera_name} via mqtt")
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snapshots_settings.enabled = True
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elif payload == "OFF":
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if snapshots_settings.enabled:
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logger.info(f"Turning off snapshots for {camera_name} via mqtt")
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snapshots_settings.enabled = False
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else:
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logger.warning(f"Received unsupported value at {message.topic}: {payload}")
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state_topic = f"{message.topic[:-4]}/state"
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self.publish(state_topic, payload, retain=True)
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def on_detect_command(
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self, client: mqtt.Client, userdata, message: mqtt.MQTTMessage
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) -> None:
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"""Callback for detect topic."""
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payload = message.payload.decode()
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logger.debug(f"on_detect_toggle: {message.topic} {payload}")
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camera_name = message.topic.split("/")[-3]
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detect_settings = self.config.cameras[camera_name].detect
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if payload == "ON":
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if not self.camera_metrics[camera_name]["detection_enabled"].value:
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logger.info(f"Turning on detection for {camera_name} via mqtt")
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self.camera_metrics[camera_name]["detection_enabled"].value = True
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detect_settings.enabled = True
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if not self.camera_metrics[camera_name]["motion_enabled"].value:
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logger.info(
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f"Turning on motion for {camera_name} due to detection being enabled."
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)
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self.camera_metrics[camera_name]["motion_enabled"].value = True
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state_topic = f"{message.topic[:-11]}/motion/state"
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self.publish(state_topic, payload, retain=True)
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elif payload == "OFF":
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if self.camera_metrics[camera_name]["detection_enabled"].value:
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logger.info(f"Turning off detection for {camera_name} via mqtt")
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self.camera_metrics[camera_name]["detection_enabled"].value = False
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detect_settings.enabled = False
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else:
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logger.warning(f"Received unsupported value at {message.topic}: {payload}")
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state_topic = f"{message.topic[:-4]}/state"
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self.publish(state_topic, payload, retain=True)
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def on_motion_command(
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self, client: mqtt.Client, userdata, message: mqtt.MQTTMessage
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) -> None:
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"""Callback for motion topic."""
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payload = message.payload.decode()
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logger.debug(f"on_motion_toggle: {message.topic} {payload}")
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camera_name = message.topic.split("/")[-3]
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if payload == "ON":
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if not self.camera_metrics[camera_name]["motion_enabled"].value:
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logger.info(f"Turning on motion for {camera_name} via mqtt")
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self.camera_metrics[camera_name]["motion_enabled"].value = True
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elif payload == "OFF":
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if self.camera_metrics[camera_name]["detection_enabled"].value:
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logger.error(
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f"Turning off motion is not allowed when detection is enabled."
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)
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return
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if self.camera_metrics[camera_name]["motion_enabled"].value:
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logger.info(f"Turning off motion for {camera_name} via mqtt")
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self.camera_metrics[camera_name]["motion_enabled"].value = False
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else:
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logger.warning(f"Received unsupported value at {message.topic}: {payload}")
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state_topic = f"{message.topic[:-4]}/state"
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self.publish(state_topic, payload, retain=True)
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def on_improve_contrast_command(
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self, client: mqtt.Client, userdata, message: mqtt.MQTTMessage
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) -> None:
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"""Callback for improve_contrast topic."""
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payload = message.payload.decode()
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logger.debug(f"on_improve_contrast_toggle: {message.topic} {payload}")
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camera_name = message.topic.split("/")[-3]
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motion_settings = self.config.cameras[camera_name].motion
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if payload == "ON":
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if not self.camera_metrics[camera_name]["improve_contrast_enabled"].value:
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logger.info(f"Turning on improve contrast for {camera_name} via mqtt")
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self.camera_metrics[camera_name][
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"improve_contrast_enabled"
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].value = True
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motion_settings.improve_contrast = True
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elif payload == "OFF":
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if self.camera_metrics[camera_name]["improve_contrast_enabled"].value:
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logger.info(f"Turning off improve contrast for {camera_name} via mqtt")
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self.camera_metrics[camera_name][
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"improve_contrast_enabled"
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].value = False
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motion_settings.improve_contrast = False
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else:
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logger.warning(f"Received unsupported value at {message.topic}: {payload}")
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state_topic = f"{message.topic[:-4]}/state"
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self.publish(state_topic, payload, retain=True)
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def on_motion_threshold_command(
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self, client: mqtt.Client, userdata, message: mqtt.MQTTMessage
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) -> None:
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"""Callback for motion threshold topic."""
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try:
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payload = int(message.payload.decode())
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except ValueError:
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logger.warning(
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f"Received unsupported value at {message.topic}: {message.payload.decode()}"
|
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)
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return
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logger.debug(f"on_motion_threshold_toggle: {message.topic} {payload}")
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camera_name = message.topic.split("/")[-3]
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motion_settings = self.config.cameras[camera_name].motion
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logger.info(f"Setting motion threshold for {camera_name} via mqtt: {payload}")
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self.camera_metrics[camera_name]["motion_threshold"].value = payload
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motion_settings.threshold = payload
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|
||||
state_topic = f"{message.topic[:-4]}/state"
|
||||
self.publish(state_topic, payload, retain=True)
|
||||
|
||||
def on_motion_contour_area_command(
|
||||
self, client: mqtt.Client, userdata, message: mqtt.MQTTMessage
|
||||
) -> None:
|
||||
"""Callback for motion contour topic."""
|
||||
try:
|
||||
payload = int(message.payload.decode())
|
||||
except ValueError:
|
||||
logger.warning(
|
||||
f"Received unsupported value at {message.topic}: {message.payload.decode()}"
|
||||
)
|
||||
return
|
||||
|
||||
logger.debug(f"on_motion_contour_area_toggle: {message.topic} {payload}")
|
||||
|
||||
camera_name = message.topic.split("/")[-3]
|
||||
|
||||
motion_settings = self.config.cameras[camera_name].motion
|
||||
|
||||
logger.info(
|
||||
f"Setting motion contour area for {camera_name} via mqtt: {payload}"
|
||||
)
|
||||
self.camera_metrics[camera_name]["motion_contour_area"].value = payload
|
||||
motion_settings.contour_area = payload
|
||||
|
||||
state_topic = f"{message.topic[:-4]}/state"
|
||||
self.publish(state_topic, payload, retain=True)
|
||||
|
||||
def on_restart_command(
|
||||
client: mqtt.Client, userdata, message: mqtt.MQTTMessage
|
||||
) -> None:
|
||||
"""Callback to restart frigate."""
|
||||
restart_frigate()
|
||||
|
||||
def _on_connect(self, client: mqtt.Client, userdata, flags, rc) -> None:
|
||||
"""Mqtt connection callback."""
|
||||
threading.current_thread().name = "mqtt"
|
||||
if rc != 0:
|
||||
if rc == 3:
|
||||
logger.error(
|
||||
"Unable to connect to MQTT server: MQTT Server unavailable"
|
||||
)
|
||||
elif rc == 4:
|
||||
logger.error(
|
||||
"Unable to connect to MQTT server: MQTT Bad username or password"
|
||||
)
|
||||
elif rc == 5:
|
||||
logger.error("Unable to connect to MQTT server: MQTT Not authorized")
|
||||
else:
|
||||
logger.error(
|
||||
"Unable to connect to MQTT server: Connection refused. Error code: "
|
||||
+ str(rc)
|
||||
)
|
||||
|
||||
self.connected = True
|
||||
logger.debug("MQTT connected")
|
||||
client.subscribe(f"{self.mqtt_config.topic_prefix}/#")
|
||||
self._set_initial_topics()
|
||||
|
||||
def _on_disconnect(self, client: mqtt.Client, userdata, flags, rc) -> None:
|
||||
"""Mqtt disconnection callback."""
|
||||
self.connected = False
|
||||
logger.error("MQTT disconnected")
|
||||
|
||||
def _start(self) -> None:
|
||||
"""Start mqtt client."""
|
||||
self.client = mqtt.Client(client_id=self.mqtt_config.client_id)
|
||||
self.client.on_connect = self._on_connect
|
||||
self.client.will_set(
|
||||
self.mqtt_config.topic_prefix + "/available",
|
||||
payload="offline",
|
||||
qos=1,
|
||||
retain=True,
|
||||
)
|
||||
|
||||
# register callbacks
|
||||
for name in self.config.cameras.keys():
|
||||
self.client.message_callback_add(
|
||||
f"{self.mqtt_config.topic_prefix}/{name}/recordings/set",
|
||||
self.on_recordings_command,
|
||||
)
|
||||
self.client.message_callback_add(
|
||||
f"{self.mqtt_config.topic_prefix}/{name}/snapshots/set",
|
||||
self.on_snapshots_command,
|
||||
)
|
||||
self.client.message_callback_add(
|
||||
f"{self.mqtt_config.topic_prefix}/{name}/detect/set",
|
||||
self.on_detect_command,
|
||||
)
|
||||
self.client.message_callback_add(
|
||||
f"{self.mqtt_config.topic_prefix}/{name}/motion/set",
|
||||
self.on_motion_command,
|
||||
)
|
||||
self.client.message_callback_add(
|
||||
f"{self.mqtt_config.topic_prefix}/{name}/improve_contrast/set",
|
||||
self.on_improve_contrast_command,
|
||||
)
|
||||
self.client.message_callback_add(
|
||||
f"{self.mqtt_config.topic_prefix}/{name}/motion_threshold/set",
|
||||
self.on_motion_threshold_command,
|
||||
)
|
||||
self.client.message_callback_add(
|
||||
f"{self.mqtt_config.topic_prefix}/{name}/motion_contour_area/set",
|
||||
self.on_motion_contour_area_command,
|
||||
)
|
||||
|
||||
self.client.message_callback_add(
|
||||
f"{self.mqtt_config.topic_prefix}/restart", self.on_restart_command
|
||||
)
|
||||
|
||||
if not self.mqtt_config.tls_ca_certs is None:
|
||||
if (
|
||||
not self.mqtt_config.tls_client_cert is None
|
||||
and not self.mqtt_config.tls_client_key is None
|
||||
):
|
||||
self.client.tls_set(
|
||||
self.mqtt_config.tls_ca_certs,
|
||||
self.mqtt_config.tls_client_cert,
|
||||
self.mqtt_config.tls_client_key,
|
||||
)
|
||||
else:
|
||||
self.client.tls_set(self.mqtt_config.tls_ca_certs)
|
||||
if not self.mqtt_config.tls_insecure is None:
|
||||
self.client.tls_insecure_set(self.mqtt_config.tls_insecure)
|
||||
if not self.mqtt_config.user is None:
|
||||
self.client.username_pw_set(
|
||||
self.mqtt_config.user, password=self.mqtt_config.password
|
||||
)
|
||||
try:
|
||||
# https://stackoverflow.com/a/55390477
|
||||
# with connect_async, retries are handled automatically
|
||||
self.client.connect_async(self.mqtt_config.host, self.mqtt_config.port, 60)
|
||||
self.client.loop_start()
|
||||
except Exception as e:
|
||||
logger.error(f"Unable to connect to MQTT server: {e}")
|
||||
return
|
||||
|
||||
def publish(self, topic: str, payload, retain: bool = False) -> None:
|
||||
"""Wrapper for publishing when client is in valid state."""
|
||||
if not self.connected:
|
||||
logger.error(f"Unable to publish to {topic}: client is not connected")
|
||||
return
|
||||
|
||||
self.client.publish(topic, payload, retain=retain)
|
||||
|
||||
def add_topic_callback(self, topic: str, callback) -> None:
|
||||
self.client.message_callback_add(topic, callback)
|
||||
|
||||
|
||||
class MqttSocketRelay:
|
||||
def __init__(self, mqtt_client: FrigateMqttClient, topic_prefix: str):
|
||||
self.mqtt_client = mqtt_client
|
||||
self.topic_prefix = topic_prefix
|
||||
|
||||
def start(self):
|
||||
class MqttWebSocket(WebSocket):
|
||||
topic_prefix = self.topic_prefix
|
||||
mqtt_client = self.mqtt_client
|
||||
|
||||
def received_message(self, message):
|
||||
try:
|
||||
json_message = json.loads(message.data.decode("utf-8"))
|
||||
json_message = {
|
||||
"topic": f"{self.topic_prefix}/{json_message['topic']}",
|
||||
"payload": json_message.get("payload"),
|
||||
"retain": json_message.get("retain", False),
|
||||
}
|
||||
except Exception as e:
|
||||
logger.warning("Unable to parse websocket message as valid json.")
|
||||
return
|
||||
|
||||
logger.debug(
|
||||
f"Publishing mqtt message from websockets at {json_message['topic']}."
|
||||
)
|
||||
self.mqtt_client.publish(
|
||||
json_message["topic"],
|
||||
json_message["payload"],
|
||||
retain=json_message["retain"],
|
||||
)
|
||||
|
||||
# start a websocket server on 5002
|
||||
WebSocketWSGIHandler.http_version = "1.1"
|
||||
self.websocket_server = make_server(
|
||||
"127.0.0.1",
|
||||
5002,
|
||||
server_class=WSGIServer,
|
||||
handler_class=WebSocketWSGIRequestHandler,
|
||||
app=WebSocketWSGIApplication(handler_cls=MqttWebSocket),
|
||||
)
|
||||
self.websocket_server.initialize_websockets_manager()
|
||||
self.websocket_thread = threading.Thread(
|
||||
target=self.websocket_server.serve_forever
|
||||
)
|
||||
|
||||
def send(client, userdata, message):
|
||||
"""Sends mqtt messages to clients."""
|
||||
try:
|
||||
logger.debug(f"Received mqtt message on {message.topic}.")
|
||||
ws_message = json.dumps(
|
||||
{
|
||||
"topic": message.topic.replace(f"{self.topic_prefix}/", ""),
|
||||
"payload": message.payload.decode(),
|
||||
}
|
||||
)
|
||||
except Exception as e:
|
||||
# if the payload can't be decoded don't relay to clients
|
||||
logger.debug(
|
||||
f"MQTT payload for {message.topic} wasn't text. Skipping..."
|
||||
)
|
||||
return
|
||||
|
||||
self.websocket_server.manager.broadcast(ws_message)
|
||||
|
||||
self.mqtt_client.add_topic_callback(f"{self.topic_prefix}/#", send)
|
||||
|
||||
self.websocket_thread.start()
|
||||
|
||||
def stop(self):
|
||||
self.websocket_server.manager.close_all()
|
||||
self.websocket_server.manager.stop()
|
||||
self.websocket_server.manager.join()
|
||||
self.websocket_server.shutdown()
|
||||
self.websocket_thread.join()
|
||||
Loading…
Reference in New Issue
Block a user