gonets/SRV/services/ip_service.py
2025-06-20 11:22:54 +05:00

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import asyncio
from typing import Dict, Any
from sdbus_async.networkmanager import (
NetworkManager,
NetworkManagerSettings,
NetworkConnectionSettings,
NetworkDeviceGeneric,
)
import sdbus
from sdbus_async.networkmanager.settings import ConnectionProfile
from services.arp_service import NetworkScanner
class IPService:
"""
Сервис проверки доступности IP-адреса и применения настроек сети
"""
def __init__(self):
self.arp_scanner = NetworkScanner()
self.bus = sdbus.sd_bus_open_system()
sdbus.set_default_bus(self.bus)
def _reset_bus(self):
"""Перезапускает соединение с системной шиной D-Bus"""
new_bus = sdbus.sd_bus_open_system()
sdbus.set_default_bus(new_bus)
if hasattr(self, "bus") and self.bus is not None:
self.bus = None
self.bus = new_bus
async def check_ip_config(self, args: Dict[str, Any]) -> Dict[str, Any]:
"""Проверяет доступность IP-адреса перед его применением"""
self._reset_bus()
clients = self.arp_scanner.scan_network()
new_ip = args["ipv4_updates"]["ipv4.address-data"][0]["address"]
if any(client["ip"] == new_ip for client in clients):
return {
"available": False,
"message": f"IP address {new_ip} уже занят."
}
return {
"available": True,
"message": "Network profile settings are available for use.",
}
async def apply_ip_config(self, args: Dict[str, Any]) -> None:
"""Применяет проверенные настройки IP"""
self._reset_bus()
nm = NetworkManager()
settings = NetworkManagerSettings()
connection_paths = await settings.get_connections_by_id(
args["connection_id"])
if not connection_paths:
raise ValueError(f"Подключение {args['connection_id']} не найдено")
connection = NetworkConnectionSettings(connection_paths[0])
profile = await connection.get_profile()
settings_dict = profile.to_settings_dict()
for key_path, value in args["ipv4_updates"].items():
section, *props = key_path.split(".")
current = settings_dict[section]
for prop in props[:-1]:
current = current.setdefault(prop, {})
current[props[-1]] = value
new_profile = ConnectionProfile.from_settings_dict(settings_dict)
await connection.update(new_profile.to_dbus())
print(f"Обновлены настройки для {args['connection_id']}:")
interface_name = settings_dict["connection"]["interface-name"]
devices = await nm.get_devices()
for device_path in devices:
device = NetworkDeviceGeneric(device_path)
if await device.interface == interface_name:
await device.disconnect()
print(f"Отключён от {interface_name}")
await nm.activate_connection(connection=connection_paths[0],
device=device_path)
print(f"Переподключён к {args['connection_id']}")
return
raise RuntimeError(
f"Устройство для интерфейса {interface_name} не найдено")