core/homeassistant/components/mysensors/handler.py

110 lines
3.5 KiB
Python

"""Handle MySensors messages."""
import logging
from homeassistant.core import callback
from homeassistant.helpers.dispatcher import async_dispatcher_send
from homeassistant.util import decorator
from .const import MYSENSORS_GATEWAY_READY, CHILD_CALLBACK, NODE_CALLBACK
from .device import get_mysensors_devices
from .helpers import discover_mysensors_platform, validate_child
_LOGGER = logging.getLogger(__name__)
HANDLERS = decorator.Registry()
@HANDLERS.register('presentation')
async def handle_presentation(hass, hass_config, msg):
"""Handle a mysensors presentation message."""
# Handle both node and child presentation.
from mysensors.const import SYSTEM_CHILD_ID
if msg.child_id == SYSTEM_CHILD_ID:
return
_handle_child_update(hass, hass_config, msg)
@HANDLERS.register('set')
async def handle_set(hass, hass_config, msg):
"""Handle a mysensors set message."""
_handle_child_update(hass, hass_config, msg)
@HANDLERS.register('internal')
async def handle_internal(hass, hass_config, msg):
"""Handle a mysensors internal message."""
internal = msg.gateway.const.Internal(msg.sub_type)
handler = HANDLERS.get(internal.name)
if handler is None:
return
await handler(hass, hass_config, msg)
@HANDLERS.register('I_BATTERY_LEVEL')
async def handle_battery_level(hass, hass_config, msg):
"""Handle an internal battery level message."""
_handle_node_update(hass, msg)
@HANDLERS.register('I_HEARTBEAT_RESPONSE')
async def handle_heartbeat(hass, hass_config, msg):
"""Handle an heartbeat."""
_handle_node_update(hass, msg)
@HANDLERS.register('I_SKETCH_NAME')
async def handle_sketch_name(hass, hass_config, msg):
"""Handle an internal sketch name message."""
_handle_node_update(hass, msg)
@HANDLERS.register('I_SKETCH_VERSION')
async def handle_sketch_version(hass, hass_config, msg):
"""Handle an internal sketch version message."""
_handle_node_update(hass, msg)
@HANDLERS.register('I_GATEWAY_READY')
async def handle_gateway_ready(hass, hass_config, msg):
"""Handle an internal gateway ready message.
Set asyncio future result if gateway is ready.
"""
gateway_ready = hass.data.get(MYSENSORS_GATEWAY_READY.format(
id(msg.gateway)))
if gateway_ready is None or gateway_ready.cancelled():
return
gateway_ready.set_result(True)
@callback
def _handle_child_update(hass, hass_config, msg):
"""Handle a child update."""
child = msg.gateway.sensors[msg.node_id].children[msg.child_id]
signals = []
# Update all platforms for the device via dispatcher.
# Add/update entity if schema validates to true.
validated = validate_child(msg.gateway, msg.node_id, child)
for platform, dev_ids in validated.items():
devices = get_mysensors_devices(hass, platform)
new_dev_ids = []
for dev_id in dev_ids:
if dev_id in devices:
signals.append(CHILD_CALLBACK.format(*dev_id))
else:
new_dev_ids.append(dev_id)
if new_dev_ids:
discover_mysensors_platform(
hass, hass_config, platform, new_dev_ids)
for signal in set(signals):
# Only one signal per device is needed.
# A device can have multiple platforms, ie multiple schemas.
async_dispatcher_send(hass, signal)
@callback
def _handle_node_update(hass, msg):
"""Handle a node update."""
signal = NODE_CALLBACK.format(id(msg.gateway), msg.node_id)
async_dispatcher_send(hass, signal)