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mirror of https://github.com/home-assistant/core synced 2024-09-03 08:14:07 +02:00
ha-core/homeassistant/components/fortigate/device_tracker.py
Paulus Schoutsen 4de97abc3a Black
2019-07-31 12:25:30 -07:00

90 lines
2.7 KiB
Python

"""Device tracker for Fortigate firewalls."""
from collections import namedtuple
import logging
from homeassistant.components.device_tracker import DeviceScanner
from . import DATA_FGT
_LOGGER = logging.getLogger(__name__)
DETECTED_DEVICES = "/monitor/user/detected-device"
async def async_get_scanner(hass, config):
"""Validate the configuration and return a Fortigate scanner."""
scanner = FortigateDeviceScanner(hass.data[DATA_FGT])
await scanner.async_connect()
return scanner if scanner.success_init else None
Device = namedtuple("Device", ["hostname", "mac"])
def _build_device(device_dict):
"""Return a Device from data."""
return Device(device_dict["hostname"], device_dict["mac"])
class FortigateDeviceScanner(DeviceScanner):
"""Query the Fortigate firewall."""
def __init__(self, hass_data):
"""Initialize the scanner."""
self.last_results = {}
self.success_init = False
self.connection = hass_data["fgt"]
self.devices = hass_data["devices"]
def get_results(self):
"""Get the results from the Fortigate."""
results = self.connection.get(DETECTED_DEVICES, "vdom=root")[1]["results"]
ret = []
for result in results:
if "hostname" not in result:
continue
ret.append(result)
return ret
async def async_connect(self):
"""Initialize connection to the router."""
# Test if the firewall is accessible
data = self.get_results()
self.success_init = data is not None
async def async_scan_devices(self):
"""Scan for new devices and return a list with found device MACs."""
await self.async_update_info()
return [device.mac for device in self.last_results]
async def get_device_name(self, device):
"""Return the name of the given device or None if we don't know."""
name = next(
(result.hostname for result in self.last_results if result.mac == device),
None,
)
return name
async def async_update_info(self):
"""Ensure the information from the Fortigate firewall is up to date."""
_LOGGER.debug("Checking devices")
hosts = self.get_results()
all_results = [_build_device(device) for device in hosts if device["is_online"]]
# If the 'devices' configuration field is filled
if self.devices is not None:
last_results = [
device for device in all_results if device.hostname in self.devices
]
_LOGGER.debug(last_results)
# If the 'devices' configuration field is not filled
else:
last_results = all_results
self.last_results = last_results