core/homeassistant/components/device_tracker/keenetic_ndms2.py

104 lines
3.2 KiB
Python

"""
Support for Zyxel Keenetic NDMS2 based routers.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/device_tracker.keenetic_ndms2/
"""
import logging
import voluptuous as vol
import homeassistant.helpers.config_validation as cv
from homeassistant.components.device_tracker import (
DOMAIN, PLATFORM_SCHEMA, DeviceScanner)
from homeassistant.const import (
CONF_HOST, CONF_PORT, CONF_PASSWORD, CONF_USERNAME
)
REQUIREMENTS = ['ndms2_client==0.0.6']
_LOGGER = logging.getLogger(__name__)
# Interface name to track devices for. Most likely one will not need to
# change it from default 'Home'. This is needed not to track Guest WI-FI-
# clients and router itself
CONF_INTERFACE = 'interface'
DEFAULT_INTERFACE = 'Home'
DEFAULT_PORT = 23
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Required(CONF_HOST): cv.string,
vol.Required(CONF_USERNAME): cv.string,
vol.Required(CONF_PORT, default=DEFAULT_PORT): cv.port,
vol.Required(CONF_PASSWORD): cv.string,
vol.Required(CONF_INTERFACE, default=DEFAULT_INTERFACE): cv.string,
})
def get_scanner(_hass, config):
"""Validate the configuration and return a Nmap scanner."""
scanner = KeeneticNDMS2DeviceScanner(config[DOMAIN])
return scanner if scanner.success_init else None
class KeeneticNDMS2DeviceScanner(DeviceScanner):
"""This class scans for devices using keenetic NDMS2 web interface."""
def __init__(self, config):
"""Initialize the scanner."""
from ndms2_client import Client, TelnetConnection
self.last_results = []
self._interface = config[CONF_INTERFACE]
self._client = Client(TelnetConnection(
config.get(CONF_HOST),
config.get(CONF_PORT),
config.get(CONF_USERNAME),
config.get(CONF_PASSWORD),
))
self.success_init = self._update_info()
_LOGGER.info("Scanner initialized")
def scan_devices(self):
"""Scan for new devices and return a list with found device IDs."""
self._update_info()
return [device.mac for device in self.last_results]
def get_device_name(self, device):
"""Return the name of the given device or None if we don't know."""
name = next((
result.name for result in self.last_results
if result.mac == device), None)
return name
def get_extra_attributes(self, device):
"""Return the IP of the given device."""
attributes = next((
{'ip': result.ip} for result in self.last_results
if result.mac == device), {})
return attributes
def _update_info(self):
"""Get ARP from keenetic router."""
_LOGGER.debug("Fetching devices from router...")
from ndms2_client import ConnectionException
try:
self.last_results = [
dev
for dev in self._client.get_devices()
if dev.interface == self._interface
]
_LOGGER.debug("Successfully fetched data from router")
return True
except ConnectionException:
_LOGGER.error("Error fetching data from router")
return False