core/homeassistant/components/hikvision/binary_sensor.py

302 lines
8.9 KiB
Python

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