core/homeassistant/components/knx/__init__.py

497 lines
18 KiB
Python

"""Support KNX devices."""
from __future__ import annotations
import asyncio
import contextlib
import logging
from pathlib import Path
import voluptuous as vol
from xknx import XKNX
from xknx.core import XknxConnectionState
from xknx.core.telegram_queue import TelegramQueue
from xknx.dpt import DPTBase
from xknx.exceptions import ConversionError, CouldNotParseTelegram, XKNXException
from xknx.io import ConnectionConfig, ConnectionType, SecureConfig
from xknx.telegram import AddressFilter, Telegram
from xknx.telegram.address import DeviceGroupAddress, GroupAddress, InternalGroupAddress
from xknx.telegram.apci import GroupValueResponse, GroupValueWrite
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import (
CONF_EVENT,
CONF_HOST,
CONF_PORT,
CONF_TYPE,
EVENT_HOMEASSISTANT_STOP,
Platform,
)
from homeassistant.core import Event, HomeAssistant
from homeassistant.exceptions import ConfigEntryNotReady
from homeassistant.helpers import discovery
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.reload import async_integration_yaml_config
from homeassistant.helpers.storage import STORAGE_DIR
from homeassistant.helpers.typing import ConfigType
from .const import (
CONF_KNX_CONNECTION_TYPE,
CONF_KNX_EXPOSE,
CONF_KNX_INDIVIDUAL_ADDRESS,
CONF_KNX_KNXKEY_FILENAME,
CONF_KNX_KNXKEY_PASSWORD,
CONF_KNX_LOCAL_IP,
CONF_KNX_MCAST_GRP,
CONF_KNX_MCAST_PORT,
CONF_KNX_RATE_LIMIT,
CONF_KNX_ROUTE_BACK,
CONF_KNX_ROUTING,
CONF_KNX_ROUTING_BACKBONE_KEY,
CONF_KNX_ROUTING_SECURE,
CONF_KNX_ROUTING_SYNC_LATENCY_TOLERANCE,
CONF_KNX_SECURE_DEVICE_AUTHENTICATION,
CONF_KNX_SECURE_USER_ID,
CONF_KNX_SECURE_USER_PASSWORD,
CONF_KNX_STATE_UPDATER,
CONF_KNX_TELEGRAM_LOG_SIZE,
CONF_KNX_TUNNELING,
CONF_KNX_TUNNELING_TCP,
CONF_KNX_TUNNELING_TCP_SECURE,
DATA_HASS_CONFIG,
DATA_KNX_CONFIG,
DOMAIN,
KNX_ADDRESS,
SUPPORTED_PLATFORMS,
TELEGRAM_LOG_DEFAULT,
)
from .device import KNXInterfaceDevice
from .expose import KNXExposeSensor, KNXExposeTime, create_knx_exposure
from .project import STORAGE_KEY as PROJECT_STORAGE_KEY, KNXProject
from .schema import (
BinarySensorSchema,
ButtonSchema,
ClimateSchema,
CoverSchema,
DateSchema,
DateTimeSchema,
EventSchema,
ExposeSchema,
FanSchema,
LightSchema,
NotifySchema,
NumberSchema,
SceneSchema,
SelectSchema,
SensorSchema,
SwitchSchema,
TextSchema,
TimeSchema,
WeatherSchema,
)
from .services import register_knx_services
from .telegrams import STORAGE_KEY as TELEGRAMS_STORAGE_KEY, Telegrams
from .websocket import register_panel
_LOGGER = logging.getLogger(__name__)
CONFIG_SCHEMA = vol.Schema(
{
DOMAIN: vol.All(
# deprecated since 2021.12
cv.deprecated(CONF_KNX_STATE_UPDATER),
cv.deprecated(CONF_KNX_RATE_LIMIT),
cv.deprecated(CONF_KNX_ROUTING),
cv.deprecated(CONF_KNX_TUNNELING),
cv.deprecated(CONF_KNX_INDIVIDUAL_ADDRESS),
cv.deprecated(CONF_KNX_MCAST_GRP),
cv.deprecated(CONF_KNX_MCAST_PORT),
cv.deprecated("event_filter"),
# deprecated since 2021.4
cv.deprecated("config_file"),
# deprecated since 2021.2
cv.deprecated("fire_event"),
cv.deprecated("fire_event_filter"),
vol.Schema(
{
**EventSchema.SCHEMA,
**ExposeSchema.platform_node(),
**BinarySensorSchema.platform_node(),
**ButtonSchema.platform_node(),
**ClimateSchema.platform_node(),
**CoverSchema.platform_node(),
**DateSchema.platform_node(),
**DateTimeSchema.platform_node(),
**FanSchema.platform_node(),
**LightSchema.platform_node(),
**NotifySchema.platform_node(),
**NumberSchema.platform_node(),
**SceneSchema.platform_node(),
**SelectSchema.platform_node(),
**SensorSchema.platform_node(),
**SwitchSchema.platform_node(),
**TextSchema.platform_node(),
**TimeSchema.platform_node(),
**WeatherSchema.platform_node(),
}
),
)
},
extra=vol.ALLOW_EXTRA,
)
async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
"""Start the KNX integration."""
hass.data[DATA_HASS_CONFIG] = config
conf: ConfigType | None = config.get(DOMAIN)
if conf is None:
# If we have a config entry, setup is done by that config entry.
# If there is no config entry, this should fail.
return bool(hass.config_entries.async_entries(DOMAIN))
conf = dict(conf)
hass.data[DATA_KNX_CONFIG] = conf
register_knx_services(hass)
return True
async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
"""Load a config entry."""
# `config` is None when reloading the integration
# or no `knx` key in configuration.yaml
if (config := hass.data.get(DATA_KNX_CONFIG)) is None:
_conf = await async_integration_yaml_config(hass, DOMAIN)
if not _conf or DOMAIN not in _conf:
_LOGGER.warning(
"No `knx:` key found in configuration.yaml. See "
"https://www.home-assistant.io/integrations/knx/ "
"for KNX entity configuration documentation"
)
# generate defaults
config = CONFIG_SCHEMA({DOMAIN: {}})[DOMAIN]
else:
config = _conf[DOMAIN]
try:
knx_module = KNXModule(hass, config, entry)
await knx_module.start()
except XKNXException as ex:
raise ConfigEntryNotReady from ex
hass.data[DATA_KNX_CONFIG] = config
hass.data[DOMAIN] = knx_module
if CONF_KNX_EXPOSE in config:
for expose_config in config[CONF_KNX_EXPOSE]:
knx_module.exposures.append(
create_knx_exposure(hass, knx_module.xknx, expose_config)
)
# always forward sensor for system entities (telegram counter, etc.)
await hass.config_entries.async_forward_entry_setup(entry, Platform.SENSOR)
await hass.config_entries.async_forward_entry_setups(
entry,
[
platform
for platform in SUPPORTED_PLATFORMS
if platform in config and platform not in (Platform.SENSOR, Platform.NOTIFY)
],
)
# set up notify platform, no entry support for notify component yet
if NotifySchema.PLATFORM in config:
hass.async_create_task(
discovery.async_load_platform(
hass, Platform.NOTIFY, DOMAIN, {}, hass.data[DATA_HASS_CONFIG]
)
)
await register_panel(hass)
return True
async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
"""Unloading the KNX platforms."""
# if not loaded directly return
if not hass.data.get(DOMAIN):
return True
knx_module: KNXModule = hass.data[DOMAIN]
for exposure in knx_module.exposures:
exposure.shutdown()
unload_ok = await hass.config_entries.async_unload_platforms(
entry,
[
Platform.SENSOR, # always unload system entities (telegram counter, etc.)
*[
platform
for platform in SUPPORTED_PLATFORMS
if platform in hass.data[DATA_KNX_CONFIG]
and platform not in (Platform.SENSOR, Platform.NOTIFY)
],
],
)
if unload_ok:
await knx_module.stop()
hass.data.pop(DOMAIN)
hass.data.pop(DATA_KNX_CONFIG)
return unload_ok
async def async_update_entry(hass: HomeAssistant, entry: ConfigEntry) -> None:
"""Update a given config entry."""
await hass.config_entries.async_reload(entry.entry_id)
async def async_remove_entry(hass: HomeAssistant, entry: ConfigEntry) -> None:
"""Remove a config entry."""
def remove_files(storage_dir: Path, knxkeys_filename: str | None) -> None:
"""Remove KNX files."""
if knxkeys_filename is not None:
with contextlib.suppress(FileNotFoundError):
(storage_dir / knxkeys_filename).unlink()
with contextlib.suppress(FileNotFoundError):
(storage_dir / PROJECT_STORAGE_KEY).unlink()
with contextlib.suppress(FileNotFoundError):
(storage_dir / TELEGRAMS_STORAGE_KEY).unlink()
with contextlib.suppress(FileNotFoundError, OSError):
(storage_dir / DOMAIN).rmdir()
storage_dir = Path(hass.config.path(STORAGE_DIR))
knxkeys_filename = entry.data.get(CONF_KNX_KNXKEY_FILENAME)
await hass.async_add_executor_job(remove_files, storage_dir, knxkeys_filename)
class KNXModule:
"""Representation of KNX Object."""
def __init__(
self, hass: HomeAssistant, config: ConfigType, entry: ConfigEntry
) -> None:
"""Initialize KNX module."""
self.hass = hass
self.config = config
self.connected = False
self.exposures: list[KNXExposeSensor | KNXExposeTime] = []
self.service_exposures: dict[str, KNXExposeSensor | KNXExposeTime] = {}
self.entry = entry
self.project = KNXProject(hass=hass, entry=entry)
self.xknx = XKNX(
connection_config=self.connection_config(),
rate_limit=self.entry.data[CONF_KNX_RATE_LIMIT],
state_updater=self.entry.data[CONF_KNX_STATE_UPDATER],
)
self.xknx.connection_manager.register_connection_state_changed_cb(
self.connection_state_changed_cb
)
self.telegrams = Telegrams(
hass=hass,
xknx=self.xknx,
project=self.project,
log_size=entry.data.get(CONF_KNX_TELEGRAM_LOG_SIZE, TELEGRAM_LOG_DEFAULT),
)
self.interface_device = KNXInterfaceDevice(
hass=hass, entry=entry, xknx=self.xknx
)
self._address_filter_transcoder: dict[AddressFilter, type[DPTBase]] = {}
self.group_address_transcoder: dict[DeviceGroupAddress, type[DPTBase]] = {}
self.knx_event_callback: TelegramQueue.Callback = self.register_event_callback()
self.entry.async_on_unload(
self.hass.bus.async_listen_once(EVENT_HOMEASSISTANT_STOP, self.stop)
)
self.entry.async_on_unload(self.entry.add_update_listener(async_update_entry))
async def start(self) -> None:
"""Start XKNX object. Connect to tunneling or Routing device."""
await self.project.load_project()
await self.telegrams.load_history()
await self.xknx.start()
async def stop(self, event: Event | None = None) -> None:
"""Stop XKNX object. Disconnect from tunneling or Routing device."""
await self.xknx.stop()
await self.telegrams.save_history()
def connection_config(self) -> ConnectionConfig:
"""Return the connection_config."""
_conn_type: str = self.entry.data[CONF_KNX_CONNECTION_TYPE]
_knxkeys_file: str | None = (
self.hass.config.path(
STORAGE_DIR,
self.entry.data[CONF_KNX_KNXKEY_FILENAME],
)
if self.entry.data.get(CONF_KNX_KNXKEY_FILENAME) is not None
else None
)
if _conn_type == CONF_KNX_ROUTING:
return ConnectionConfig(
connection_type=ConnectionType.ROUTING,
individual_address=self.entry.data[CONF_KNX_INDIVIDUAL_ADDRESS],
multicast_group=self.entry.data[CONF_KNX_MCAST_GRP],
multicast_port=self.entry.data[CONF_KNX_MCAST_PORT],
local_ip=self.entry.data.get(CONF_KNX_LOCAL_IP),
auto_reconnect=True,
secure_config=SecureConfig(
knxkeys_password=self.entry.data.get(CONF_KNX_KNXKEY_PASSWORD),
knxkeys_file_path=_knxkeys_file,
),
threaded=True,
)
if _conn_type == CONF_KNX_TUNNELING:
return ConnectionConfig(
connection_type=ConnectionType.TUNNELING,
gateway_ip=self.entry.data[CONF_HOST],
gateway_port=self.entry.data[CONF_PORT],
local_ip=self.entry.data.get(CONF_KNX_LOCAL_IP),
route_back=self.entry.data.get(CONF_KNX_ROUTE_BACK, False),
auto_reconnect=True,
secure_config=SecureConfig(
knxkeys_password=self.entry.data.get(CONF_KNX_KNXKEY_PASSWORD),
knxkeys_file_path=_knxkeys_file,
),
threaded=True,
)
if _conn_type == CONF_KNX_TUNNELING_TCP:
return ConnectionConfig(
connection_type=ConnectionType.TUNNELING_TCP,
gateway_ip=self.entry.data[CONF_HOST],
gateway_port=self.entry.data[CONF_PORT],
auto_reconnect=True,
secure_config=SecureConfig(
knxkeys_password=self.entry.data.get(CONF_KNX_KNXKEY_PASSWORD),
knxkeys_file_path=_knxkeys_file,
),
threaded=True,
)
if _conn_type == CONF_KNX_TUNNELING_TCP_SECURE:
return ConnectionConfig(
connection_type=ConnectionType.TUNNELING_TCP_SECURE,
gateway_ip=self.entry.data[CONF_HOST],
gateway_port=self.entry.data[CONF_PORT],
secure_config=SecureConfig(
user_id=self.entry.data.get(CONF_KNX_SECURE_USER_ID),
user_password=self.entry.data.get(CONF_KNX_SECURE_USER_PASSWORD),
device_authentication_password=self.entry.data.get(
CONF_KNX_SECURE_DEVICE_AUTHENTICATION
),
knxkeys_password=self.entry.data.get(CONF_KNX_KNXKEY_PASSWORD),
knxkeys_file_path=_knxkeys_file,
),
auto_reconnect=True,
threaded=True,
)
if _conn_type == CONF_KNX_ROUTING_SECURE:
return ConnectionConfig(
connection_type=ConnectionType.ROUTING_SECURE,
individual_address=self.entry.data[CONF_KNX_INDIVIDUAL_ADDRESS],
multicast_group=self.entry.data[CONF_KNX_MCAST_GRP],
multicast_port=self.entry.data[CONF_KNX_MCAST_PORT],
local_ip=self.entry.data.get(CONF_KNX_LOCAL_IP),
secure_config=SecureConfig(
backbone_key=self.entry.data.get(CONF_KNX_ROUTING_BACKBONE_KEY),
latency_ms=self.entry.data.get(
CONF_KNX_ROUTING_SYNC_LATENCY_TOLERANCE
),
knxkeys_password=self.entry.data.get(CONF_KNX_KNXKEY_PASSWORD),
knxkeys_file_path=_knxkeys_file,
),
auto_reconnect=True,
threaded=True,
)
return ConnectionConfig(
auto_reconnect=True,
secure_config=SecureConfig(
knxkeys_password=self.entry.data.get(CONF_KNX_KNXKEY_PASSWORD),
knxkeys_file_path=_knxkeys_file,
),
threaded=True,
)
async def connection_state_changed_cb(self, state: XknxConnectionState) -> None:
"""Call invoked after a KNX connection state change was received."""
self.connected = state == XknxConnectionState.CONNECTED
if tasks := [device.after_update() for device in self.xknx.devices]:
await asyncio.gather(*tasks)
async def telegram_received_cb(self, telegram: Telegram) -> None:
"""Call invoked after a KNX telegram was received."""
# Not all telegrams have serializable data.
data: int | tuple[int, ...] | None = None
value = None
if (
isinstance(telegram.payload, (GroupValueWrite, GroupValueResponse))
and telegram.payload.value is not None
and isinstance(
telegram.destination_address, (GroupAddress, InternalGroupAddress)
)
):
data = telegram.payload.value.value
if transcoder := (
self.group_address_transcoder.get(telegram.destination_address)
or next(
(
_transcoder
for _filter, _transcoder in self._address_filter_transcoder.items()
if _filter.match(telegram.destination_address)
),
None,
)
):
try:
value = transcoder.from_knx(telegram.payload.value)
except (ConversionError, CouldNotParseTelegram) as err:
_LOGGER.warning(
(
"Error in `knx_event` at decoding type '%s' from"
" telegram %s\n%s"
),
transcoder.__name__,
telegram,
err,
)
self.hass.bus.async_fire(
"knx_event",
{
"data": data,
"destination": str(telegram.destination_address),
"direction": telegram.direction.value,
"value": value,
"source": str(telegram.source_address),
"telegramtype": telegram.payload.__class__.__name__,
},
)
def register_event_callback(self) -> TelegramQueue.Callback:
"""Register callback for knx_event within XKNX TelegramQueue."""
address_filters = []
for filter_set in self.config[CONF_EVENT]:
_filters = list(map(AddressFilter, filter_set[KNX_ADDRESS]))
address_filters.extend(_filters)
if (dpt := filter_set.get(CONF_TYPE)) and (
transcoder := DPTBase.parse_transcoder(dpt)
):
self._address_filter_transcoder.update(
{
_filter: transcoder # type: ignore[type-abstract]
for _filter in _filters
}
)
return self.xknx.telegram_queue.register_telegram_received_cb(
self.telegram_received_cb,
address_filters=address_filters,
group_addresses=[],
match_for_outgoing=True,
)