add ha integration and added entity state api endpoint

home_assistant_integration/__init__.py

@@ -0,0 +1,10 @@
+DOMAIN = "atc_mi_thermometer_gateway"
+
+from .discover_gateways import start_discovery_client
+
+
+def setup(hass, config):
+  hass.states.set("hello_state.world", "Paulus")
+
+  # Return boolean to indicate that initialization was successful.
+  return True

home_assistant_integration/discover_gateways.py

@@ -0,0 +1,49 @@
+from time import time
+from socket import socket
+from socket import AF_INET
+from socket import SOCK_DGRAM
+from socket import IPPROTO_UDP
+from socket import SOL_SOCKET
+from socket import SO_REUSEADDR
+from socket import SO_BROADCAST
+
+
+DISCOVERY_ACK = 'IP_DISCOVERY_ACK'.encode()           # ACK for broadcast
+DISCOVERY_OK = 'IP_DISCOVERY_OK'.encode()             # Not used yet
+DISCOVERY_RSP_GTW = 'IP_DISCOVERY_RSP_GTW'.encode()   # RSP for gateway
+DISCOVERY_RSP_MSH = 'IP_DISCOVERY_RSP_MSH'.encode()   # RSP for mesh
+DISCOVERY_TIMEOUT = 0.5
+SOCKET_TIMEOUT = 0.2
+PORT_SERVER = 9434
+PORT_CLIENT = 9435
+
+
+def start_discovery_client():
+  sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)
+  sock.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)
+  sock.setsockopt(SOL_SOCKET, SO_BROADCAST, 1)
+  sock.settimeout(SOCKET_TIMEOUT)
+  server_address = ('255.255.255.255', PORT_SERVER)
+  start_time_stamp = time()
+  delta = round(time() - start_time_stamp, 2)
+  discovered_devices = []
+
+  try:
+    sock.bind(('', PORT_CLIENT))
+
+    while delta <= DISCOVERY_TIMEOUT:
+      delta = round(time() - start_time_stamp, 2)
+      sock.sendto(DISCOVERY_ACK, server_address)
+      data, addr = sock.recvfrom(4096)
+
+      if str(addr[0]) in discovered_devices: continue
+      if data == DISCOVERY_RSP_GTW:
+        discovered_devices.append(str(addr[0]))
+
+  except Exception as err:
+    print(err)
+
+  finally:
+    sock.close()
+    return discovered_devices[0]
+

home_assistant_integration/sensor.py

@@ -0,0 +1,51 @@
+"""Platform for light integration."""
+from __future__ import annotations
+
+import logging
+
+from .discover_gateways import start_discovery_client
+import voluptuous as vol
+
+from pprint import pformat
+
+import homeassistant.helpers.config_validation as cv
+from homeassistant.components.sensor import PLATFORM_SCHEMA
+from homeassistant.components.sensor import SensorEntity
+from homeassistant.const import CONF_NAME, CONF_MAC
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+from homeassistant.helpers.typing import ConfigType
+from homeassistant.helpers.typing import DiscoveryInfoType
+
+_LOGGER = logging.getLogger("atc_mi_thermometer_gateway")
+
+
+def setup_platform(
+  hass: HomeAssistant,
+  config: ConfigType,
+  add_entities: AddEntitiesCallback,
+  discovery_info: DiscoveryInfoType | None = None):
+
+  _LOGGER.info(pformat(config))
+  gateway = start_discovery_client()
+
+  add_entities([Gateway(ip=gateway[0])])
+
+
+class Gateway(SensorEntity):
+  def __init__(self, ip:str):
+    self._ip = ip
+    self._online = False
+    self._discovered_devices = []
+
+  @property
+  def ip(self):
+    return self._ip
+
+  @property
+  def online(self):
+    return self._online
+
+  @property
+  def discovered_devices(self):
+    return self._discovered_devices