core/homeassistant/components/aqualogic/__init__.py

94 lines
2.6 KiB
Python

"""Support for AquaLogic devices."""
from datetime import timedelta
import logging
import threading
import time
from aqualogic.core import AquaLogic
import voluptuous as vol
from homeassistant.const import (
CONF_HOST,
CONF_PORT,
EVENT_HOMEASSISTANT_START,
EVENT_HOMEASSISTANT_STOP,
)
from homeassistant.core import HomeAssistant
from homeassistant.helpers import config_validation as cv
from homeassistant.helpers.dispatcher import dispatcher_send
from homeassistant.helpers.typing import ConfigType
_LOGGER = logging.getLogger(__name__)
DOMAIN = "aqualogic"
UPDATE_TOPIC = f"{DOMAIN}_update"
CONF_UNIT = "unit"
RECONNECT_INTERVAL = timedelta(seconds=10)
CONFIG_SCHEMA = vol.Schema(
{
DOMAIN: vol.Schema(
{vol.Required(CONF_HOST): cv.string, vol.Required(CONF_PORT): cv.port}
)
},
extra=vol.ALLOW_EXTRA,
)
def setup(hass: HomeAssistant, config: ConfigType) -> bool:
"""Set up AquaLogic platform."""
host = config[DOMAIN][CONF_HOST]
port = config[DOMAIN][CONF_PORT]
processor = AquaLogicProcessor(hass, host, port)
hass.data[DOMAIN] = processor
hass.bus.listen_once(EVENT_HOMEASSISTANT_START, processor.start_listen)
hass.bus.listen_once(EVENT_HOMEASSISTANT_STOP, processor.shutdown)
_LOGGER.debug("AquaLogicProcessor %s:%i initialized", host, port)
return True
class AquaLogicProcessor(threading.Thread):
"""AquaLogic event processor thread."""
def __init__(self, hass, host, port):
"""Initialize the data object."""
super().__init__(daemon=True)
self._hass = hass
self._host = host
self._port = port
self._shutdown = False
self._panel = None
def start_listen(self, event):
"""Start event-processing thread."""
_LOGGER.debug("Event processing thread started")
self.start()
def shutdown(self, event):
"""Signal shutdown of processing event."""
_LOGGER.debug("Event processing signaled exit")
self._shutdown = True
def data_changed(self, panel):
"""Aqualogic data changed callback."""
dispatcher_send(self._hass, UPDATE_TOPIC)
def run(self):
"""Event thread."""
while True:
self._panel = AquaLogic()
self._panel.connect(self._host, self._port)
self._panel.process(self.data_changed)
if self._shutdown:
return
_LOGGER.error("Connection to %s:%d lost", self._host, self._port)
time.sleep(RECONNECT_INTERVAL.total_seconds())
@property
def panel(self):
"""Retrieve the AquaLogic object."""
return self._panel