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	* Fix live cameras not showing on refresh * Fix live dashboard when birdseye is added * Handle cameras that are offline / disabled * Use black instead of green frame * Fix missing mqtt topics
		
			
				
	
	
		
			271 lines
		
	
	
		
			9.2 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			271 lines
		
	
	
		
			9.2 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| import logging
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| import threading
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| from typing import Any, Callable
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| 
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| import paho.mqtt.client as mqtt
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| from paho.mqtt.enums import CallbackAPIVersion
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| 
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| from frigate.comms.base_communicator import Communicator
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| from frigate.config import FrigateConfig
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| 
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| logger = logging.getLogger(__name__)
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| 
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| 
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| class MqttClient(Communicator):  # type: ignore[misc]
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|     """Frigate wrapper for mqtt client."""
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| 
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|     def __init__(self, config: FrigateConfig) -> None:
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|         self.config = config
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|         self.mqtt_config = config.mqtt
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|         self.connected = False
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| 
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|     def subscribe(self, receiver: Callable) -> None:
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|         """Wrapper for allowing dispatcher to subscribe."""
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|         self._dispatcher = receiver
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|         self._start()
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| 
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|     def publish(self, topic: str, payload: Any, 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.debug(f"Unable to publish to {topic}: client is not connected")
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|             return
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| 
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|         self.client.publish(
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|             f"{self.mqtt_config.topic_prefix}/{topic}",
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|             payload,
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|             qos=self.config.mqtt.qos,
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|             retain=retain,
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|         )
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| 
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|     def stop(self) -> None:
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|         self.client.disconnect()
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| 
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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"{camera_name}/enabled/state",
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|                 "ON" if camera.enabled_in_config else "OFF",
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|                 retain=True,
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|             )
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|             self.publish(
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|                 f"{camera_name}/recordings/state",
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|                 "ON" if camera.record.enabled_in_config else "OFF",
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|                 retain=True,
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|             )
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|             self.publish(
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|                 f"{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"{camera_name}/audio/state",
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|                 "ON" if camera.audio.enabled_in_config else "OFF",
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|                 retain=True,
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|             )
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|             self.publish(
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|                 f"{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"{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"{camera_name}/improve_contrast/state",
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|                 "ON" if camera.motion.improve_contrast else "OFF",  # type: ignore[union-attr]
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|                 retain=True,
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|             )
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|             self.publish(
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|                 f"{camera_name}/ptz_autotracker/state",
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|                 "ON" if camera.onvif.autotracking.enabled_in_config else "OFF",
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|                 retain=True,
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|             )
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|             self.publish(
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|                 f"{camera_name}/motion_threshold/state",
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|                 camera.motion.threshold,  # type: ignore[union-attr]
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|                 retain=True,
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|             )
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|             self.publish(
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|                 f"{camera_name}/motion_contour_area/state",
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|                 camera.motion.contour_area,  # type: ignore[union-attr]
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|                 retain=True,
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|             )
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|             self.publish(
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|                 f"{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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|                 f"{camera_name}/birdseye/state",
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|                 "ON" if camera.birdseye.enabled else "OFF",
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|                 retain=True,
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|             )
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|             self.publish(
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|                 f"{camera_name}/birdseye_mode/state",
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|                 (
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|                     camera.birdseye.mode.value.upper()
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|                     if camera.birdseye.enabled
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|                     else "OFF"
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|                 ),
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|                 retain=True,
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|             )
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|             self.publish(
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|                 f"{camera_name}/review_alerts/state",
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|                 "ON" if camera.review.alerts.enabled_in_config else "OFF",
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|                 retain=True,
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|             )
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|             self.publish(
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|                 f"{camera_name}/review_detections/state",
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|                 "ON" if camera.review.detections.enabled_in_config else "OFF",
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|                 retain=True,
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|             )
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| 
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|         if self.config.notifications.enabled_in_config:
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|             self.publish(
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|                 "notifications/state",
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|                 "ON" if self.config.notifications.enabled else "OFF",
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|                 retain=True,
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|             )
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| 
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|         self.publish("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: Any, 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}/", "", 1),
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|             message.payload.decode(),
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|         )
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| 
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|     def _on_connect(
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|         self,
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|         client: mqtt.Client,
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|         userdata: Any,
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|         flags: Any,
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|         reason_code: mqtt.ReasonCode,
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|         properties: Any,
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|     ) -> None:
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|         """Mqtt connection callback."""
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|         threading.current_thread().name = "mqtt"
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|         if reason_code != 0:
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|             if reason_code == "Server unavailable":
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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 reason_code == "Bad user name or password":
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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 reason_code == "Not authorized":
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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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|                     + reason_code.getName()
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|                 )
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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}/#", qos=self.config.mqtt.qos)
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|         self._set_initial_topics()
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| 
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|     def _on_disconnect(
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|         self,
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|         client: mqtt.Client,
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|         userdata: Any,
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|         flags: Any,
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|         reason_code: mqtt.ReasonCode,
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|         properties: Any,
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|     ) -> 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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| 
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|     def _start(self) -> None:
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|         """Start mqtt client."""
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|         self.client = mqtt.Client(
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|             callback_api_version=CallbackAPIVersion.VERSION2,
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|             client_id=self.mqtt_config.client_id,
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|         )
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|         self.client.on_connect = self._on_connect
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|         self.client.on_disconnect = self._on_disconnect
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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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| 
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|         # register callbacks
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|         callback_types = [
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|             "enabled",
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|             "recordings",
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|             "snapshots",
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|             "detect",
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|             "audio",
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|             "motion",
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|             "improve_contrast",
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|             "ptz_autotracker",
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|             "motion_threshold",
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|             "motion_contour_area",
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|             "birdseye",
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|             "birdseye_mode",
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|         ]
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| 
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|         for name in self.config.cameras.keys():
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|             for callback in callback_types:
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|                 self.client.message_callback_add(
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|                     f"{self.mqtt_config.topic_prefix}/{name}/{callback}/set",
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|                     self.on_mqtt_command,
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|                 )
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| 
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|             if self.config.cameras[name].onvif.host:
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|                 self.client.message_callback_add(
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|                     f"{self.mqtt_config.topic_prefix}/{name}/ptz",
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|                     self.on_mqtt_command,
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|                 )
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| 
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|         if self.config.notifications.enabled_in_config:
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|             self.client.message_callback_add(
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|                 f"{self.mqtt_config.topic_prefix}/notifications/set",
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|                 self.on_mqtt_command,
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|             )
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| 
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|         self.client.message_callback_add(
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|             f"{self.mqtt_config.topic_prefix}/onConnect", self.on_mqtt_command
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|         )
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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_mqtt_command
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|         )
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| 
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|         if self.mqtt_config.tls_ca_certs is not None:
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|             if (
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|                 self.mqtt_config.tls_client_cert is not None
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|                 and self.mqtt_config.tls_client_key is not 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 self.mqtt_config.tls_insecure is not None:
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|             self.client.tls_insecure_set(self.mqtt_config.tls_insecure)
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|         if self.mqtt_config.user is not 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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