core/homeassistant/components/ping/device_tracker.py

76 lines
2.4 KiB
Python

"""Tracks devices by sending a ICMP echo request (ping)."""
from __future__ import annotations
from datetime import datetime, timedelta
from homeassistant.components.device_tracker import (
CONF_CONSIDER_HOME,
DEFAULT_CONSIDER_HOME,
ScannerEntity,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.update_coordinator import CoordinatorEntity
from homeassistant.util import dt as dt_util
from . import PingConfigEntry
from .const import CONF_IMPORTED_BY
from .coordinator import PingUpdateCoordinator
async def async_setup_entry(
hass: HomeAssistant, entry: PingConfigEntry, async_add_entities: AddEntitiesCallback
) -> None:
"""Set up a Ping config entry."""
async_add_entities([PingDeviceTracker(entry, entry.runtime_data)])
class PingDeviceTracker(CoordinatorEntity[PingUpdateCoordinator], ScannerEntity):
"""Representation of a Ping device tracker."""
_last_seen: datetime | None = None
def __init__(
self, config_entry: ConfigEntry, coordinator: PingUpdateCoordinator
) -> None:
"""Initialize the Ping device tracker."""
super().__init__(coordinator)
self._attr_name = config_entry.title
self.config_entry = config_entry
self._consider_home_interval = timedelta(
seconds=config_entry.options.get(
CONF_CONSIDER_HOME, DEFAULT_CONSIDER_HOME.seconds
)
)
@property
def ip_address(self) -> str:
"""Return the primary ip address of the device."""
return self.coordinator.data.ip_address
@property
def unique_id(self) -> str:
"""Return a unique ID."""
return self.config_entry.entry_id
@property
def is_connected(self) -> bool:
"""Return true if ping returns is_alive or considered home."""
if self.coordinator.data.is_alive:
self._last_seen = dt_util.utcnow()
return (
self._last_seen is not None
and (dt_util.utcnow() - self._last_seen) < self._consider_home_interval
)
@property
def entity_registry_enabled_default(self) -> bool:
"""Return if entity is enabled by default."""
if CONF_IMPORTED_BY in self.config_entry.data:
return bool(self.config_entry.data[CONF_IMPORTED_BY] == "device_tracker")
return False