homeassistant-config/custom_components/lirc_network/__init__.py

88 lines
3.3 KiB
Python

"""Integration of lirc network service"""
import logging
import voluptuous as vol
from datetime import timedelta
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.event import async_track_time_interval
from homeassistant.const import CONF_HOST, CONF_PORT
from ..reconnecting_client import ReconnectingClient
EVENT_IR_COMMAND_RECEIVED = "ir_command_received"
BUTTON_NAME = "button_name"
_LOGGER = logging.getLogger(__name__)
DOMAIN = 'lirc_network'
REMOTE_NAME = 'remote'
REPEAT_COUNTER = 'repeat_counter'
LIRC_HOST = 'host'
DATA_LIRC_NETWORK = 'data_lirc_network'
LIRC_TIMEOUT = 40 # in seconds
CONFIG_SCHEMA = vol.Schema({
DOMAIN: vol.Schema(vol.All([{
vol.Required(CONF_HOST): cv.string,
vol.Optional(CONF_PORT, default=8765): cv.port,
}]))
}, extra=vol.ALLOW_EXTRA)
async def async_setup(hass, config):
hass.data[DATA_LIRC_NETWORK] = []
for config_element in config[DOMAIN]:
connection = LircConnection(hass, config_element)
hass.data[DATA_LIRC_NETWORK].append(connection)
await connection.start()
return True
class LircConnection(ReconnectingClient):
def __init__(self, hass, config):
super().__init__(hass, config[CONF_HOST], config[CONF_PORT], "lirc_network",
receive_line_callback=self._process_line,
connection_status_changed_callback=self._connection_state_changed,
timeout=LIRC_TIMEOUT)
self._multiline_response_in_progress = False
self._multiline_response = ""
async def keep_alive_callback(*args, **kwargs):
if self._writer and self.connected:
self._writer.write("VERSION\n".encode())
await self._writer.drain()
async_track_time_interval(hass, keep_alive_callback, timedelta(seconds=LIRC_TIMEOUT / 2))
async def _connection_state_changed(self, _):
pass
async def _process_line(self, line):
# Example msg:
# 0000000000001795 00 Down Hauppauge_350
# 0000000000001795 01 Down Hauppauge_350
if line.startswith("Unknown LIRC Command received: VERSION"):
pass # response of irserver to VERSION query
elif line.strip() == "BEGIN":
self._multiline_response_in_progress = True
elif self._multiline_response_in_progress and line.strip() == "END":
self._multiline_response_in_progress = False
self._multiline_response = ""
elif self._multiline_response_in_progress:
self._multiline_response += line
else:
splitted_line = line.split()
if len(splitted_line) != 4:
_LOGGER.warning(f'Ignoring LIRC message from host {self._host}: "{line}"')
return
else:
code, repeat_counter, key_name, remote_name = splitted_line
repeat_counter = int(repeat_counter, 16) # repeat code is hexadecimal
key_name = key_name.lower()
data = {BUTTON_NAME: key_name,
REMOTE_NAME: remote_name,
REPEAT_COUNTER: repeat_counter,
LIRC_HOST: self._host}
#_LOGGER.info(f"Got new LIRC network code {data}")
self.hass.bus.fire(EVENT_IR_COMMAND_RECEIVED, data)