277 lines
8.3 KiB
Python
277 lines
8.3 KiB
Python
"""Support for Hikvision event stream events represented as binary sensors."""
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import logging
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from datetime import timedelta
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import voluptuous as vol
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from homeassistant.helpers.event import track_point_in_utc_time
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from homeassistant.util.dt import utcnow
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from homeassistant.components.binary_sensor import (
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BinarySensorDevice, PLATFORM_SCHEMA)
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import homeassistant.helpers.config_validation as cv
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from homeassistant.const import (
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CONF_HOST, CONF_PORT, CONF_NAME, CONF_USERNAME, CONF_PASSWORD,
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CONF_SSL, EVENT_HOMEASSISTANT_STOP, EVENT_HOMEASSISTANT_START,
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ATTR_LAST_TRIP_TIME, CONF_CUSTOMIZE)
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_LOGGER = logging.getLogger(__name__)
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CONF_IGNORED = 'ignored'
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CONF_DELAY = 'delay'
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DEFAULT_PORT = 80
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DEFAULT_IGNORED = False
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DEFAULT_DELAY = 0
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ATTR_DELAY = 'delay'
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DEVICE_CLASS_MAP = {
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'Motion': 'motion',
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'Line Crossing': 'motion',
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'Field Detection': 'motion',
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'Video Loss': None,
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'Tamper Detection': 'motion',
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'Shelter Alarm': None,
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'Disk Full': None,
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'Disk Error': None,
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'Net Interface Broken': 'connectivity',
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'IP Conflict': 'connectivity',
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'Illegal Access': None,
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'Video Mismatch': None,
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'Bad Video': None,
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'PIR Alarm': 'motion',
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'Face Detection': 'motion',
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'Scene Change Detection': 'motion',
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'I/O': None,
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'Unattended Baggage': 'motion',
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'Attended Baggage': 'motion',
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'Recording Failure': None,
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'Exiting Region': 'motion',
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'Entering Region': 'motion',
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}
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CUSTOMIZE_SCHEMA = vol.Schema({
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vol.Optional(CONF_IGNORED, default=DEFAULT_IGNORED): cv.boolean,
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vol.Optional(CONF_DELAY, default=DEFAULT_DELAY): cv.positive_int
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})
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Optional(CONF_NAME): cv.string,
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vol.Required(CONF_HOST): cv.string,
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vol.Optional(CONF_PORT, default=DEFAULT_PORT): cv.port,
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vol.Optional(CONF_SSL, default=False): cv.boolean,
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vol.Required(CONF_USERNAME): cv.string,
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vol.Required(CONF_PASSWORD): cv.string,
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vol.Optional(CONF_CUSTOMIZE, default={}):
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vol.Schema({cv.string: CUSTOMIZE_SCHEMA}),
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})
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Set up the Hikvision binary sensor devices."""
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name = config.get(CONF_NAME)
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host = config.get(CONF_HOST)
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port = config.get(CONF_PORT)
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username = config.get(CONF_USERNAME)
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password = config.get(CONF_PASSWORD)
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customize = config.get(CONF_CUSTOMIZE)
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if config.get(CONF_SSL):
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protocol = 'https'
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else:
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protocol = 'http'
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url = '{}://{}'.format(protocol, host)
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data = HikvisionData(hass, url, port, name, username, password)
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if data.sensors is None:
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_LOGGER.error("Hikvision event stream has no data, unable to set up")
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return False
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entities = []
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for sensor, channel_list in data.sensors.items():
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for channel in channel_list:
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# Build sensor name, then parse customize config.
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if data.type == 'NVR':
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sensor_name = '{}_{}'.format(
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sensor.replace(' ', '_'), channel[1])
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else:
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sensor_name = sensor.replace(' ', '_')
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custom = customize.get(sensor_name.lower(), {})
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ignore = custom.get(CONF_IGNORED)
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delay = custom.get(CONF_DELAY)
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_LOGGER.debug("Entity: %s - %s, Options - Ignore: %s, Delay: %s",
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data.name, sensor_name, ignore, delay)
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if not ignore:
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entities.append(HikvisionBinarySensor(
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hass, sensor, channel[1], data, delay))
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add_entities(entities)
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class HikvisionData:
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"""Hikvision device event stream object."""
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def __init__(self, hass, url, port, name, username, password):
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"""Initialize the data object."""
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from pyhik.hikvision import HikCamera
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self._url = url
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self._port = port
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self._name = name
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self._username = username
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self._password = password
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# Establish camera
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self.camdata = HikCamera(
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self._url, self._port, self._username, self._password)
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if self._name is None:
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self._name = self.camdata.get_name
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hass.bus.listen_once(EVENT_HOMEASSISTANT_STOP, self.stop_hik)
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hass.bus.listen_once(EVENT_HOMEASSISTANT_START, self.start_hik)
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def stop_hik(self, event):
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"""Shutdown Hikvision subscriptions and subscription thread on exit."""
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self.camdata.disconnect()
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def start_hik(self, event):
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"""Start Hikvision event stream thread."""
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self.camdata.start_stream()
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@property
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def sensors(self):
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"""Return list of available sensors and their states."""
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return self.camdata.current_event_states
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@property
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def cam_id(self):
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"""Return device id."""
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return self.camdata.get_id
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@property
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def name(self):
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"""Return device name."""
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return self._name
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@property
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def type(self):
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"""Return device type."""
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return self.camdata.get_type
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def get_attributes(self, sensor, channel):
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"""Return attribute list for sensor/channel."""
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return self.camdata.fetch_attributes(sensor, channel)
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class HikvisionBinarySensor(BinarySensorDevice):
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"""Representation of a Hikvision binary sensor."""
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def __init__(self, hass, sensor, channel, cam, delay):
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"""Initialize the binary_sensor."""
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self._hass = hass
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self._cam = cam
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self._sensor = sensor
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self._channel = channel
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if self._cam.type == 'NVR':
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self._name = '{} {} {}'.format(self._cam.name, sensor, channel)
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else:
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self._name = '{} {}'.format(self._cam.name, sensor)
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self._id = '{}.{}.{}'.format(self._cam.cam_id, sensor, channel)
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if delay is None:
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self._delay = 0
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else:
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self._delay = delay
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self._timer = None
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# Register callback function with pyHik
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self._cam.camdata.add_update_callback(self._update_callback, self._id)
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def _sensor_state(self):
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"""Extract sensor state."""
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return self._cam.get_attributes(self._sensor, self._channel)[0]
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def _sensor_last_update(self):
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"""Extract sensor last update time."""
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return self._cam.get_attributes(self._sensor, self._channel)[3]
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@property
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def name(self):
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"""Return the name of the Hikvision sensor."""
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return self._name
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@property
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def unique_id(self):
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"""Return a unique ID."""
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return self._id
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@property
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def is_on(self):
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"""Return true if sensor is on."""
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return self._sensor_state()
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@property
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def device_class(self):
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"""Return the class of this sensor, from DEVICE_CLASSES."""
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try:
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return DEVICE_CLASS_MAP[self._sensor]
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except KeyError:
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# Sensor must be unknown to us, add as generic
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return None
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@property
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def should_poll(self):
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"""No polling needed."""
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return False
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@property
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def device_state_attributes(self):
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"""Return the state attributes."""
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attr = {}
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attr[ATTR_LAST_TRIP_TIME] = self._sensor_last_update()
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if self._delay != 0:
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attr[ATTR_DELAY] = self._delay
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return attr
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def _update_callback(self, msg):
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"""Update the sensor's state, if needed."""
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_LOGGER.debug('Callback signal from: %s', msg)
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if self._delay > 0 and not self.is_on:
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# Set timer to wait until updating the state
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def _delay_update(now):
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"""Timer callback for sensor update."""
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_LOGGER.debug("%s Called delayed (%ssec) update",
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self._name, self._delay)
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self.schedule_update_ha_state()
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self._timer = None
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if self._timer is not None:
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self._timer()
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self._timer = None
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self._timer = track_point_in_utc_time(
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self._hass, _delay_update,
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utcnow() + timedelta(seconds=self._delay))
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elif self._delay > 0 and self.is_on:
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# For delayed sensors kill any callbacks on true events and update
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if self._timer is not None:
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self._timer()
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self._timer = None
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self.schedule_update_ha_state()
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else:
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self.schedule_update_ha_state()
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