core/homeassistant/components/lannouncer/notify.py

94 lines
2.7 KiB
Python

"""Lannouncer platform for notify component."""
from __future__ import annotations
import logging
import socket
from urllib.parse import urlencode
import voluptuous as vol
from homeassistant.components.notify import (
ATTR_DATA,
PLATFORM_SCHEMA as NOTIFY_PLATFORM_SCHEMA,
BaseNotificationService,
)
from homeassistant.const import CONF_HOST, CONF_PORT
from homeassistant.core import HomeAssistant
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
ATTR_METHOD = "method"
ATTR_METHOD_DEFAULT = "speak"
ATTR_METHOD_ALLOWED = ["speak", "alarm"]
DEFAULT_PORT = 1035
PLATFORM_SCHEMA = NOTIFY_PLATFORM_SCHEMA.extend(
{
vol.Required(CONF_HOST): cv.string,
vol.Optional(CONF_PORT, default=DEFAULT_PORT): cv.port,
}
)
_LOGGER = logging.getLogger(__name__)
def get_service(
hass: HomeAssistant,
config: ConfigType,
discovery_info: DiscoveryInfoType | None = None,
) -> LannouncerNotificationService:
"""Get the Lannouncer notification service."""
host = config.get(CONF_HOST)
port = config.get(CONF_PORT)
return LannouncerNotificationService(hass, host, port)
class LannouncerNotificationService(BaseNotificationService):
"""Implementation of a notification service for Lannouncer."""
def __init__(self, hass, host, port):
"""Initialize the service."""
self._hass = hass
self._host = host
self._port = port
def send_message(self, message="", **kwargs):
"""Send a message to Lannouncer."""
data = kwargs.get(ATTR_DATA)
if data is not None and ATTR_METHOD in data:
method = data.get(ATTR_METHOD)
else:
method = ATTR_METHOD_DEFAULT
if method not in ATTR_METHOD_ALLOWED:
_LOGGER.error("Unknown method %s", method)
return
cmd = urlencode({method: message})
try:
# Open socket
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.settimeout(10)
sock.connect((self._host, self._port))
# Send message
_LOGGER.debug("Sending message: %s", cmd)
sock.sendall(cmd.encode())
sock.sendall(b"&@DONE@\n")
# Check response
buffer = sock.recv(1024)
if buffer != b"LANnouncer: OK":
_LOGGER.error("Error sending data to Lannnouncer: %s", buffer.decode())
# Close socket
sock.close()
except socket.gaierror:
_LOGGER.error("Unable to connect to host %s", self._host)
except OSError:
_LOGGER.exception("Failed to send data to Lannnouncer")