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619 lines
25 KiB
Python
619 lines
25 KiB
Python
import asyncio
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from datetime import datetime
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import amcrest_api
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import json
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import logging
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import paho.mqtt.client as mqtt
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import random
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import signal
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import ssl
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import string
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import time
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from util import *
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from zoneinfo import ZoneInfo
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class AmcrestMqtt(object):
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def __init__(self, config):
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self.running = False
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self.logger = logging.getLogger(__name__)
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self.mqttc = None
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self.mqtt_connect_time = None
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self.config = config
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self.mqtt_config = config['mqtt']
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self.amcrest_config = config['amcrest']
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self.timezone = config['timezone']
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self.version = config['version']
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self.device_update_interval = config['amcrest'].get('device_update_interval', 600)
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self.client_id = self.get_new_client_id()
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self.service_name = self.mqtt_config['prefix'] + ' service'
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self.service_slug = self.mqtt_config['prefix'] + '-service'
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self.devices = {}
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self.configs = {}
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def __enter__(self):
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self.mqttc_create()
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self.amcrestc = amcrest_api.AmcrestAPI(self.config)
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self.running = True
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return self
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def __exit__(self, exc_type, exc_val, exc_tb):
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self.running = False
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self.logger.info('Exiting gracefully')
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if self.mqttc is not None and self.mqttc.is_connected():
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self.mqttc.disconnect()
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else:
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self.logger.info('Lost connection to MQTT')
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# MQTT Functions ------------------------------------------------------------------------------
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def mqtt_on_connect(self, client, userdata, flags, rc, properties):
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if rc != 0:
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self.logger.error(f'MQTT CONNECTION ISSUE ({rc})')
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exit()
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self.logger.info(f'MQTT connected as {self.client_id}')
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client.subscribe(self.get_device_sub_topic())
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client.subscribe(self.get_attribute_sub_topic())
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def mqtt_on_disconnect(self, client, userdata, flags, rc, properties):
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self.logger.info('MQTT connection closed')
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if self.running and time.time() > self.mqtt_connect_time + 10:
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# lets use a new client_id for a reconnect
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self.client_id = self.get_new_client_id()
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self.mqttc_create()
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else:
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exit()
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def mqtt_on_log(self, client, userdata, paho_log_level, msg):
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if paho_log_level == mqtt.LogLevel.MQTT_LOG_ERR:
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self.logger.error(f'MQTT LOG: {msg}')
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elif paho_log_level == mqtt.LogLevel.MQTT_LOG_WARNING:
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self.logger.warn(f'MQTT LOG: {msg}')
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def mqtt_on_message(self, client, userdata, msg):
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try:
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topic = msg.topic
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payload = json.loads(msg.payload)
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except json.JSONDecodeError:
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payload = msg.payload.decode('utf-8')
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except:
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self.logger.error('Failed to understand MQTT message, ignoring')
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return
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self.logger.info(f'Got MQTT message for {topic} - {payload}')
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# we might get:
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# device/component/set
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# device/component/set/attribute
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# homeassistant/device/component/set
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# homeassistant/device/component/set/attribute
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components = topic.split('/')
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# handle this message if it's for us, otherwise pass along to amcrest API
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try:
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if components[-2] == self.get_component_slug('service'):
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self.handle_service_message(None, payload)
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elif components[-3] == self.get_component_slug('service'):
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self.handle_service_message(components[-1], payload)
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else:
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if components[-1] == 'set':
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vendor, device_id = components[-2].split('-')
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elif components[-2] == 'set':
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vendor, device_id = components[-3].split('-')
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else:
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self.logger.error(f'UNKNOWN MQTT MESSAGE STRUCTURE: {topic}')
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return
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# of course, we only care about our 'amcrest-<serial>' messages
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if vendor != 'amcrest':
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return
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# ok, lets format the device_id and send to amcrest
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# for Amcrest devices, we use the string as-is (after the vendor name)
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self.send_command(device_id, payload)
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except Exception as err:
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self.logger.error(f'Failed to understand MQTT message slug ({topic}): {err}, ignoring')
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return
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def mqtt_on_subscribe(self, client, userdata, mid, reason_code_list, properties):
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rc_list = map(lambda x: x.getName(), reason_code_list)
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self.logger.debug(f'MQTT SUBSCRIBED: reason_codes - {'; '.join(rc_list)}')
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# MQTT Helpers --------------------------------------------------------------------------------
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def mqttc_create(self):
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self.mqttc = mqtt.Client(
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callback_api_version=mqtt.CallbackAPIVersion.VERSION2,
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client_id=self.client_id,
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clean_session=False,
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)
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if self.mqtt_config.get('tls_enabled'):
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self.mqttcnt.tls_set(
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ca_certs=self.mqtt_config.get('tls_ca_cert'),
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certfile=self.mqtt_config.get('tls_cert'),
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keyfile=self.mqtt_config.get('tls_key'),
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cert_reqs=ssl.CERT_REQUIRED,
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tls_version=ssl.PROTOCOL_TLS,
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)
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else:
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self.mqttc.username_pw_set(
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username=self.mqtt_config.get('username'),
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password=self.mqtt_config.get('password'),
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)
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self.mqttc.on_connect = self.mqtt_on_connect
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self.mqttc.on_disconnect = self.mqtt_on_disconnect
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self.mqttc.on_message = self.mqtt_on_message
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self.mqttc.on_subscribe = self.mqtt_on_subscribe
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self.mqttc.on_log = self.mqtt_on_log
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# will_set for service device
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self.mqttc.will_set(self.get_discovery_topic('service', 'availability'), payload="offline", qos=self.mqtt_config['qos'], retain=True)
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try:
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self.mqttc.connect(
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self.mqtt_config.get('host'),
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port=self.mqtt_config.get('port'),
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keepalive=60,
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)
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self.mqtt_connect_time = time.time()
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self.mqttc.loop_start()
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except ConnectionError as error:
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self.logger.error(f'COULD NOT CONNECT TO MQTT {self.mqtt_config.get("host")}: {error}')
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exit(1)
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# MQTT Topics ---------------------------------------------------------------------------------
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def get_new_client_id(self):
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return self.mqtt_config['prefix'] + '-' + ''.join(random.choices(string.ascii_lowercase + string.digits, k=8))
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def get_slug(self, device_id, type):
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return f"amcrest_{device_id.replace(':','')}_{type}"
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def get_device_sub_topic(self):
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if 'homeassistant' not in self.mqtt_config or self.mqtt_config['homeassistant'] == False:
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return f"{self.mqtt_config['prefix']}/+/set"
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return f"{self.mqtt_config['discovery_prefix']}/device/+/set"
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def get_attribute_sub_topic(self):
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if 'homeassistant' not in self.mqtt_config or self.mqtt_config['homeassistant'] == False:
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return f"{self.mqtt_config['prefix']}/+/set"
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return f"{self.mqtt_config['discovery_prefix']}/device/+/set/+"
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def get_component_slug(self, device_id):
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return f"amcrest-{device_id.replace(':','')}"
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def get_command_topic(self, device_id, attribute_name):
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if attribute_name:
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if 'homeassistant' not in self.mqtt_config or self.mqtt_config['homeassistant'] == False:
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return f"{self.mqtt_config['prefix']}/{self.get_component_slug(device_id)}/set/{attribute_name}"
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return f"{self.mqtt_config['discovery_prefix']}/device/{self.get_component_slug(device_id)}/set/{attribute_name}"
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else:
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if 'homeassistant' not in self.mqtt_config or self.mqtt_config['homeassistant'] == False:
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return f"{self.mqtt_config['prefix']}/{self.get_component_slug(device_id)}/set"
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return f"{self.mqtt_config['discovery_prefix']}/device/{self.get_component_slug(device_id)}/set"
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def get_discovery_topic(self, device_id, topic):
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if 'homeassistant' not in self.mqtt_config or self.mqtt_config['homeassistant'] == False:
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return f"{self.mqtt_config['prefix']}/{self.get_component_slug(device_id)}/{topic}"
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return f"{self.mqtt_config['discovery_prefix']}/device/{self.get_component_slug(device_id)}/{topic}"
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# Service Device ------------------------------------------------------------------------------
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def publish_service_state(self):
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self.mqttc.publish(
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self.get_discovery_topic('service','availability'),
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'online',
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qos=self.mqtt_config['qos'],
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retain=True
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)
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self.mqttc.publish(
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self.get_discovery_topic('service','state'),
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json.dumps({
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'status': 'online',
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'device_refresh': self.device_update_interval,
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}),
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qos=self.mqtt_config['qos'],
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retain=True
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)
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def publish_service_device(self):
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state_topic = self.get_discovery_topic('service', 'state')
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command_topic = self.get_discovery_topic('service', 'set')
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availability_topic = self.get_discovery_topic('service', 'availability')
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self.mqttc.publish(
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self.get_discovery_topic('service','config'),
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json.dumps({
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'qos': self.mqtt_config['qos'],
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'state_topic': state_topic,
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'availability_topic': availability_topic,
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'device': {
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'name': self.service_name,
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'ids': self.service_slug,
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'suggested_area': 'House',
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'manufacturer': 'weirdTangent',
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'model': self.version,
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},
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'origin': {
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'name': self.service_name,
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'sw_version': self.version,
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'support_url': 'https://github.com/weirdtangent/amcrest2mqtt',
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},
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'components': {
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self.service_slug + '_status': {
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'name': 'Service',
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'platform': 'binary_sensor',
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'schema': 'json',
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'payload_on': 'online',
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'payload_off': 'offline',
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'icon': 'mdi:language-python',
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'state_topic': state_topic,
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'availability_topic': availability_topic,
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'value_template': '{{ value_json.status }}',
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'unique_id': 'amcrest_service_status',
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},
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self.service_slug + '_device_refresh': {
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'name': 'Device Refresh Interval',
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'platform': 'number',
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'schema': 'json',
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'icon': 'mdi:numeric',
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'min': 10,
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'max': 3600,
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'state_topic': state_topic,
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'command_topic': self.get_command_topic('service', 'device_refresh'),
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'availability_topic': availability_topic,
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'value_template': '{{ value_json.device_refresh }}',
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'unique_id': 'amcrest_service_device_refresh',
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},
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},
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}),
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qos=self.mqtt_config['qos'],
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retain=True
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)
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# Amcrest Helpers -----------------------------------------------------------------------------
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# setup devices -------------------------------------------------------------------------------
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async def setup_devices(self):
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self.logger.info(f'Setup devices')
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devices = await self.amcrestc.connect_to_devices()
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self.logger.info(f'Connected to: {list(devices.keys())}')
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self.publish_service_device()
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for device_id in devices:
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config = devices[device_id]
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if 'device_type' in config:
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first = False
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if device_id not in self.devices:
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first = True
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self.devices[device_id] = {}
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self.configs[device_id] = config
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self.devices[device_id]['qos'] = self.mqtt_config['qos']
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self.devices[device_id]['state_topic'] = self.get_discovery_topic(device_id, 'state')
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self.devices[device_id]['availability_topic'] = self.get_discovery_topic('service', 'availability')
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self.devices[device_id]['command_topic'] = self.get_discovery_topic(device_id, 'set')
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self.devices[device_id]['device'] = {
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'name': config['device_name'],
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'manufacturer': config['vendor'],
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'model': config['device_type'],
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'ids': device_id,
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'sw_version': config['software_version'],
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'hw_version': config['hardware_version'],
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'connections': [
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['host', config['host']],
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['mac', config['network']['mac']],
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['ip address', config['network']['ip_address']],
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],
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'configuration_url': 'http://' + config['host'] + '/',
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'via_device': self.service_slug,
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}
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self.devices[device_id]['origin'] = {
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'name': self.service_name,
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'sw_version': self.version,
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'support_url': 'https://github.com/weirdtangent/amcrest2mqtt',
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}
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self.add_components_to_device(device_id)
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if first:
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self.logger.info(f'Adding device: "{config['device_name']}" [Amcrest {config["device_type"]}] ({device_id})')
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self.publish_device_discovery(device_id)
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else:
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self.logger.debug(f'Updated device: {self.devices[device_id]['device']['name']}')
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# device discovery sent, now it is save to add these to the
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# dict (so they aren't included in device discovery object itself)
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self.devices[device_id]['state'] = {
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'status': 'online',
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'host': config['host'],
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'serial_number': config['serial_number'],
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'sw_version': config['software_version'],
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}
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self.devices[device_id]['motion'] = 'off'
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else:
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if first_time_through:
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self.logger.info(f'Saw device, but not supported yet: "{config["device_name"]}" [amcrest {config["device_type"]}] ({device_id})')
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# add amcrest components to devices
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def add_components_to_device(self, device_id):
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device = self.devices[device_id]
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config = self.configs[device_id]
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components = {}
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if config['is_doorbell']:
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doorbell_name = 'Doorbell' if config['device_name'] == 'Doorbell' else f'{config["device_name"]} Doorbell'
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components[self.get_slug(device_id, 'doorbell')] = {
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'name': doorbell_name,
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'platform': 'binary_sensor',
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'payload_on': 'on',
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'payload_off': 'off',
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'device_class': '',
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'icon': 'mdi:doorbell',
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'state_topic': self.get_discovery_topic(device_id, 'doorbell'),
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'value_template': '{{ value_json.doorbell }}',
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'unique_id': self.get_slug(device_id, 'doorbell'),
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}
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self.mqttc.will_set(
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self.get_discovery_topic(device_id,'doorbell'),
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payload=None,
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qos=self.mqtt_config['qos'],
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retain=True
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)
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if config['is_ad410']:
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components[self.get_slug(device_id, 'human')] = {
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'name': 'Human',
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'platform': 'binary_sensor',
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'payload_on': 'on',
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'payload_off': 'off',
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'device_class': 'motion',
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'state_topic': self.get_discovery_topic(device_id, 'human'),
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'value_template': '{{ value_json.human }}',
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'unique_id': self.get_slug(device_id, 'human'),
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}
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self.mqttc.will_set(
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self.get_discovery_topic(device_id,'human'),
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payload=None,
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qos=self.mqtt_config['qos'],
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retain=True
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)
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components[self.get_slug(device_id, 'motion')] = {
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'name': 'Motion',
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'platform': 'binary_sensor',
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'payload_on': 'on',
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'payload_off': 'off',
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'device_class': 'motion',
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'state_topic': self.get_discovery_topic(device_id, 'motion'),
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'unique_id': self.get_slug(device_id, 'motion'),
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}
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components[self.get_slug(device_id, 'version')] = {
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'name': 'Version',
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'platform': 'sensor',
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'icon': 'mdi:package-up',
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'state_topic': device['state_topic'],
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'value_template': '{{ value_json.sw_version }}',
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'entity_category': 'diagnostic',
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'unique_id': self.get_slug(device_id, 'sw_version'),
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}
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components[self.get_slug(device_id, 'serial_number')] = {
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'name': 'Serial Number',
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'platform': 'sensor',
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'icon': 'mdi:identifier',
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'state_topic': device['state_topic'],
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'value_template': '{{ value_json.serial_number }}',
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'entity_category': 'diagnostic',
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'unique_id': self.get_slug(device_id, 'serial_number'),
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}
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components[self.get_slug(device_id, 'host')] = {
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'name': 'Host',
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'platform': 'sensor',
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'icon': 'mdi:ip-network',
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'state_topic': device['state_topic'],
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'value_template': '{{ value_json.host }}',
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'entity_category': 'diagnostic',
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'unique_id': self.get_slug(device_id, 'host'),
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}
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components[self.get_slug(device_id, 'event')] = {
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'name': 'Event',
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'platform': 'sensor',
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'state_topic': self.get_discovery_topic(device_id, 'event'),
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'unique_id': self.get_slug(device_id, 'event'),
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}
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components[self.get_slug(device_id, 'storage_used_percent')] = {
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'name': 'Storage Used %',
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'platform': 'sensor',
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'icon': 'mdi:micro-sd',
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'unit_of_measurement': '%',
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'state_topic': self.get_discovery_topic(device_id, 'storage'),
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'value_template': '{{ value_json.used_percent }}',
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'unique_id': self.get_slug(device_id, 'storage_used_percent'),
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}
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components[self.get_slug(device_id, 'storage_total')] = {
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'name': 'Storage Total',
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'platform': 'sensor',
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'icon': 'mdi:micro-sd',
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'unit_of_measurement': 'GB',
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'state_topic': self.get_discovery_topic(device_id, 'storage'),
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'value_template': '{{ value_json.total }}',
|
|
'unique_id': self.get_slug(device_id, 'storage_total'),
|
|
}
|
|
components[self.get_slug(device_id, 'storage_used')] = {
|
|
'name': 'Storage Used',
|
|
'platform': 'sensor',
|
|
'icon': 'mdi:micro-sd',
|
|
'unit_of_measurement': 'GB',
|
|
'state_topic': self.get_discovery_topic(device_id, 'storage'),
|
|
'value_template': '{{ value_json.used }}',
|
|
'unique_id': self.get_slug(device_id, 'storage_used'),
|
|
}
|
|
components[self.get_slug(device_id, 'last_update')] = {
|
|
'name': 'Last Update',
|
|
'platform': 'sensor',
|
|
'device_class': 'timestamp',
|
|
'entity_category': 'diagnostic',
|
|
'state_topic': device['state_topic'],
|
|
'value_template': '{{ value_json.last_update }}',
|
|
'unique_id': self.get_slug(device_id, 'last_update'),
|
|
}
|
|
|
|
device['components'] = components
|
|
|
|
def publish_device_state(self, device_id):
|
|
device = self.devices[device_id]
|
|
|
|
for topic in ['state','storage','motion','human','doorbell','event','recording']:
|
|
if topic in device:
|
|
payload = json.dumps(device[topic]) if isinstance(device[topic], dict) else device[topic]
|
|
self.mqttc.publish(self.get_discovery_topic(device_id, topic), payload, qos=self.mqtt_config['qos'], retain=True)
|
|
|
|
def publish_device_discovery(self, device_id):
|
|
device = self.devices[device_id]
|
|
self.mqttc.publish(
|
|
self.get_discovery_topic(device_id, 'config'),
|
|
json.dumps(device),
|
|
qos=self.mqtt_config['qos'],
|
|
retain=True
|
|
)
|
|
|
|
device['state'] = { 'state': 'ON' }
|
|
|
|
self.publish_device_state(device_id)
|
|
|
|
# refresh all devices -------------------------------------------------------------------------
|
|
|
|
def refresh_all_devices(self):
|
|
self.logger.info(f'Refreshing storage info for all devices (every {self.device_update_interval} sec)')
|
|
|
|
# refresh devices starting with the device updated the longest time ago
|
|
# sorted = sorted(self.devices.items(), key=lambda dt: (dt is None, dt)):
|
|
for device_id in self.devices:
|
|
# break loop if we are ending
|
|
if not self.running:
|
|
break
|
|
self.refresh_device(device_id)
|
|
|
|
# other helpers -------------------------------------------------------------------------------
|
|
|
|
def refresh_device(self, device_id):
|
|
device = self.devices[device_id]
|
|
config = self.configs[device_id]
|
|
|
|
# get the storage info, pull out last_update and save that to the device state
|
|
storage = self.amcrestc.get_device_storage_stats(device_id)
|
|
device['state']['last_update'] = storage.pop('last_update', None)
|
|
device['storage'] = storage
|
|
|
|
self.publish_service_state()
|
|
self.publish_device_state(device_id)
|
|
|
|
# send command to Amcrest --------------------------------------------------------------------
|
|
|
|
def send_command(self, device_id, data):
|
|
device = self.devices[device_id]
|
|
config = self.configs[device_id]
|
|
|
|
self.logger.info(f'COMMAND {config["device_name"]} = {data}')
|
|
|
|
if data == 'PRESS':
|
|
pass
|
|
else:
|
|
self.logger.error(f'We got a command ({data}), but do not know what to do')
|
|
|
|
def handle_service_message(self, attribute, message):
|
|
match attribute:
|
|
case 'device_refresh':
|
|
self.device_update_interval = message
|
|
self.logger.info(f'Updated UPDATE_INTERVAL to be {message}')
|
|
case _:
|
|
self.logger.info(f'IGNORED UNRECOGNIZED amcrest-service MESSAGE for {attribute}: {message}')
|
|
return
|
|
|
|
self.publish_service_state()
|
|
|
|
# check for events ----------------------------------------------------------------------------
|
|
|
|
def check_for_events(self):
|
|
while device_event := self.amcrestc.get_next_event():
|
|
if 'device_id' not in device_event:
|
|
self.logger(f'Got event, but missing device_id: {device_event}')
|
|
continue
|
|
device_id = device_event['device_id']
|
|
event = device_event['event']
|
|
payload = device_event['payload']
|
|
device = self.devices[device_id]
|
|
config = self.configs[device_id]
|
|
|
|
# if one of our known sensors
|
|
if event in ['motion','human','doorbell','recording']:
|
|
self.logger.info(f'Got event for {config["device_name"]}: {event}')
|
|
device[event] = payload
|
|
# otherwise, just store generically
|
|
else:
|
|
self.logger.info(f'Got generic event for {config["device_name"]}: {event} {payload}')
|
|
device['event'] = f'{event}: {payload}'
|
|
|
|
self.refresh_device(device_id)
|
|
|
|
# async loops and main loop -------------------------------------------------------------------
|
|
|
|
async def _handle_signals(self, signame, loop):
|
|
self.running = False
|
|
self.logger.warn(f'{signame} received, waiting for tasks to cancel...')
|
|
|
|
for task in asyncio.all_tasks():
|
|
if not task.done(): task.cancel(f'{signame} received')
|
|
|
|
async def device_loop(self):
|
|
while self.running == True:
|
|
self.refresh_all_devices()
|
|
await asyncio.sleep(self.device_update_interval)
|
|
|
|
async def collect_events(self):
|
|
while self.running == True:
|
|
await self.amcrestc.collect_all_device_events()
|
|
|
|
async def process_events(self):
|
|
while self.running == True:
|
|
self.check_for_events()
|
|
await asyncio.sleep(1)
|
|
|
|
# main loop
|
|
async def main_loop(self):
|
|
await self.setup_devices()
|
|
|
|
loop = asyncio.get_running_loop()
|
|
tasks = [
|
|
asyncio.create_task(self.device_loop()),
|
|
asyncio.create_task(self.collect_events()),
|
|
asyncio.create_task(self.process_events()),
|
|
]
|
|
|
|
# setup signal handling for tasks
|
|
for sig in (signal.SIGINT, signal.SIGTERM):
|
|
loop.add_signal_handler(
|
|
sig, lambda: asyncio.create_task(self._handle_signals(sig.name, loop))
|
|
)
|
|
|
|
try:
|
|
await asyncio.gather(*tasks, return_exceptions=True)
|
|
except asyncio.CancelledError:
|
|
exit(1)
|
|
except Exception as err:
|
|
self.running = False
|
|
self.log.error(f'Caught exception: {err}') |