1
0
mirror of https://github.com/home-assistant/supervisor.git synced 2025-12-20 02:18:59 +00:00
Files
supervisor/supervisor/dbus/network/interface.py
Mike Degatano 99bc201688 Listen for dbus property changes (#3872)
* Listen for dbus property changes

* Avoid remaking dbus proxy objects

* proper snake case for pylint

* some cleanup and more tests
2022-09-17 09:55:41 +02:00

132 lines
4.1 KiB
Python

"""NetworkInterface object for Network Manager."""
from typing import Any
from dbus_next.aio.message_bus import MessageBus
from ...utils.dbus import DBus
from ..const import (
DBUS_ATTR_ACTIVE_CONNECTION,
DBUS_ATTR_DEVICE_INTERFACE,
DBUS_ATTR_DEVICE_TYPE,
DBUS_ATTR_DRIVER,
DBUS_ATTR_MANAGED,
DBUS_IFACE_DEVICE,
DBUS_NAME_NM,
DBUS_OBJECT_BASE,
DeviceType,
)
from ..interface import DBusInterfaceProxy, dbus_property
from ..utils import dbus_connected
from .connection import NetworkConnection
from .setting import NetworkSetting
from .wireless import NetworkWireless
class NetworkInterface(DBusInterfaceProxy):
"""NetworkInterface object represents Network Manager Device objects.
https://developer.gnome.org/NetworkManager/stable/gdbus-org.freedesktop.NetworkManager.Device.html
"""
bus_name: str = DBUS_NAME_NM
properties_interface: str = DBUS_IFACE_DEVICE
def __init__(self, nm_dbus: DBus, object_path: str) -> None:
"""Initialize NetworkConnection object."""
self.object_path: str = object_path
self.properties: dict[str, Any] = {}
self.primary: bool = False
self._connection: NetworkConnection | None = None
self._wireless: NetworkWireless | None = None
self._nm_dbus: DBus = nm_dbus
@property
@dbus_property
def name(self) -> str:
"""Return interface name."""
return self.properties[DBUS_ATTR_DEVICE_INTERFACE]
@property
@dbus_property
def type(self) -> int:
"""Return interface type."""
return self.properties[DBUS_ATTR_DEVICE_TYPE]
@property
@dbus_property
def driver(self) -> str:
"""Return interface driver."""
return self.properties[DBUS_ATTR_DRIVER]
@property
@dbus_property
def managed(self) -> bool:
"""Return interface driver."""
return self.properties[DBUS_ATTR_MANAGED]
@property
def connection(self) -> NetworkConnection | None:
"""Return the connection used for this interface."""
return self._connection
@property
def settings(self) -> NetworkSetting | None:
"""Return the connection settings used for this interface."""
return self.connection.settings if self.connection else None
@property
def wireless(self) -> NetworkWireless | None:
"""Return the wireless data for this interface."""
return self._wireless
async def connect(self, bus: MessageBus) -> None:
"""Connect to D-Bus."""
return await super().connect(bus)
@dbus_connected
async def update(self, changed: dict[str, Any] | None = None) -> None:
"""Update properties via D-Bus."""
await super().update(changed)
# Abort if device is not managed
if not self.managed:
return
# If active connection exists
if not changed or DBUS_ATTR_ACTIVE_CONNECTION in changed:
if (
self._connection
and self._connection.is_connected
and self._connection.object_path
== self.properties[DBUS_ATTR_ACTIVE_CONNECTION]
):
await self.connection.update()
elif self.properties[DBUS_ATTR_ACTIVE_CONNECTION] != DBUS_OBJECT_BASE:
self._connection = NetworkConnection(
self.properties[DBUS_ATTR_ACTIVE_CONNECTION]
)
await self._connection.connect(self.dbus.bus)
else:
self._connection = None
# Wireless
if not changed or DBUS_ATTR_DEVICE_TYPE in changed:
if self.type != DeviceType.WIRELESS:
self._wireless = None
elif self.wireless and self.wireless.is_connected:
await self._wireless.update()
else:
self._wireless = NetworkWireless(self.object_path)
await self._wireless.connect(self.dbus.bus)
def disconnect(self) -> None:
"""Disconnect from D-Bus."""
if self.connection:
self.connection.disconnect()
if self.wireless:
self.wireless.disconnect()
super().disconnect()