mirror of
https://github.com/blakeblackshear/frigate.git
synced 2024-12-19 19:06:16 +01:00
242 lines
8.2 KiB
Python
242 lines
8.2 KiB
Python
import logging
|
|
import threading
|
|
from typing import Any, Callable
|
|
|
|
import paho.mqtt.client as mqtt
|
|
from paho.mqtt.enums import CallbackAPIVersion
|
|
|
|
from frigate.comms.dispatcher import Communicator
|
|
from frigate.config import FrigateConfig
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class MqttClient(Communicator): # type: ignore[misc]
|
|
"""Frigate wrapper for mqtt client."""
|
|
|
|
def __init__(self, config: FrigateConfig) -> None:
|
|
self.config = config
|
|
self.mqtt_config = config.mqtt
|
|
self.connected: bool = False
|
|
|
|
def subscribe(self, receiver: Callable) -> None:
|
|
"""Wrapper for allowing dispatcher to subscribe."""
|
|
self._dispatcher = receiver
|
|
self._start()
|
|
|
|
def publish(self, topic: str, payload: Any, 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(
|
|
f"{self.mqtt_config.topic_prefix}/{topic}", payload, retain=retain
|
|
)
|
|
|
|
def stop(self) -> None:
|
|
self.client.disconnect()
|
|
|
|
def _set_initial_topics(self) -> None:
|
|
"""Set initial state topics."""
|
|
for camera_name, camera in self.config.cameras.items():
|
|
self.publish(
|
|
f"{camera_name}/recordings/state",
|
|
"ON" if camera.record.enabled_in_config else "OFF",
|
|
retain=True,
|
|
)
|
|
self.publish(
|
|
f"{camera_name}/snapshots/state",
|
|
"ON" if camera.snapshots.enabled else "OFF",
|
|
retain=True,
|
|
)
|
|
self.publish(
|
|
f"{camera_name}/audio/state",
|
|
"ON" if camera.audio.enabled_in_config else "OFF",
|
|
retain=True,
|
|
)
|
|
self.publish(
|
|
f"{camera_name}/detect/state",
|
|
"ON" if camera.detect.enabled else "OFF",
|
|
retain=True,
|
|
)
|
|
self.publish(
|
|
f"{camera_name}/motion/state",
|
|
"ON",
|
|
retain=True,
|
|
)
|
|
self.publish(
|
|
f"{camera_name}/improve_contrast/state",
|
|
"ON" if camera.motion.improve_contrast else "OFF", # type: ignore[union-attr]
|
|
retain=True,
|
|
)
|
|
self.publish(
|
|
f"{camera_name}/ptz_autotracker/state",
|
|
"ON" if camera.onvif.autotracking.enabled_in_config else "OFF",
|
|
retain=True,
|
|
)
|
|
self.publish(
|
|
f"{camera_name}/motion_threshold/state",
|
|
camera.motion.threshold, # type: ignore[union-attr]
|
|
retain=True,
|
|
)
|
|
self.publish(
|
|
f"{camera_name}/motion_contour_area/state",
|
|
camera.motion.contour_area, # type: ignore[union-attr]
|
|
retain=True,
|
|
)
|
|
self.publish(
|
|
f"{camera_name}/motion",
|
|
"OFF",
|
|
retain=False,
|
|
)
|
|
self.publish(
|
|
f"{camera_name}/birdseye/state",
|
|
"ON" if camera.birdseye.enabled else "OFF",
|
|
retain=True,
|
|
)
|
|
self.publish(
|
|
f"{camera_name}/birdseye_mode/state",
|
|
(
|
|
camera.birdseye.mode.value.upper()
|
|
if camera.birdseye.enabled
|
|
else "OFF"
|
|
),
|
|
retain=True,
|
|
)
|
|
|
|
self.publish("available", "online", retain=True)
|
|
|
|
def on_mqtt_command(
|
|
self, client: mqtt.Client, userdata: Any, message: mqtt.MQTTMessage
|
|
) -> None:
|
|
self._dispatcher(
|
|
message.topic.replace(f"{self.mqtt_config.topic_prefix}/", "", 1),
|
|
message.payload.decode(),
|
|
)
|
|
|
|
def _on_connect(
|
|
self,
|
|
client: mqtt.Client,
|
|
userdata: Any,
|
|
flags: Any,
|
|
reason_code: mqtt.ReasonCode,
|
|
properties: Any,
|
|
) -> None:
|
|
"""Mqtt connection callback."""
|
|
threading.current_thread().name = "mqtt"
|
|
if reason_code != 0:
|
|
if reason_code == "Server Unavailable":
|
|
logger.error(
|
|
"Unable to connect to MQTT server: MQTT Server unavailable"
|
|
)
|
|
elif reason_code == "Bad user name or password":
|
|
logger.error(
|
|
"Unable to connect to MQTT server: MQTT Bad username or password"
|
|
)
|
|
elif reason_code == "Not authorized":
|
|
logger.error("Unable to connect to MQTT server: MQTT Not authorized")
|
|
else:
|
|
logger.error(
|
|
"Unable to connect to MQTT server: Connection refused. Error code: "
|
|
+ reason_code.getName()
|
|
)
|
|
|
|
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: Any,
|
|
flags: Any,
|
|
reason_code: mqtt.ReasonCode,
|
|
properties: Any,
|
|
) -> None:
|
|
"""Mqtt disconnection callback."""
|
|
self.connected = False
|
|
logger.error("MQTT disconnected")
|
|
|
|
def _start(self) -> None:
|
|
"""Start mqtt client."""
|
|
self.client = mqtt.Client(
|
|
callback_api_version=CallbackAPIVersion.VERSION2,
|
|
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
|
|
callback_types = [
|
|
"recordings",
|
|
"snapshots",
|
|
"detect",
|
|
"audio",
|
|
"motion",
|
|
"improve_contrast",
|
|
"ptz_autotracker",
|
|
"motion_threshold",
|
|
"motion_contour_area",
|
|
"birdseye",
|
|
"birdseye_mode",
|
|
]
|
|
|
|
for name in self.config.cameras.keys():
|
|
for callback in callback_types:
|
|
# We need to pre-clear existing set topics because in previous
|
|
# versions the webUI retained on the /set topic but this is
|
|
# no longer the case.
|
|
self.client.publish(
|
|
f"{self.mqtt_config.topic_prefix}/{name}/{callback}/set",
|
|
None,
|
|
retain=True,
|
|
)
|
|
self.client.message_callback_add(
|
|
f"{self.mqtt_config.topic_prefix}/{name}/{callback}/set",
|
|
self.on_mqtt_command,
|
|
)
|
|
|
|
if self.config.cameras[name].onvif.host:
|
|
self.client.message_callback_add(
|
|
f"{self.mqtt_config.topic_prefix}/{name}/ptz",
|
|
self.on_mqtt_command,
|
|
)
|
|
|
|
self.client.message_callback_add(
|
|
f"{self.mqtt_config.topic_prefix}/restart", self.on_mqtt_command
|
|
)
|
|
|
|
if self.mqtt_config.tls_ca_certs is not None:
|
|
if (
|
|
self.mqtt_config.tls_client_cert is not None
|
|
and self.mqtt_config.tls_client_key is not 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 self.mqtt_config.tls_insecure is not None:
|
|
self.client.tls_insecure_set(self.mqtt_config.tls_insecure)
|
|
if self.mqtt_config.user is not 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
|