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LorenEteval_Furious/Furious/Service/ConnectivityManager.py
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2026-08-12 12:20:47 +08:00

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# Copyright (C) 2024–present Loren Eteval & contributors <loren.eteval@proton.me>
#
# This file is part of Furious.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
"""Provide Qt support for network connectivity manager."""
from __future__ import annotations
from Furious.Frozenlib import *
from Furious.Qt.WebGETManager import *
from PySide6 import QtCore
from PySide6.QtNetwork import *
import logging
import functools
__all__ = ['ConnectivityManager']
logger = logging.getLogger(__name__)
class ConnectivityManager(Mixins.ConnectionAware, WebGETManager):
"""Coordinate network connectivity operations."""
MIN_JOB_INTERVAL = 2500
MAX_JOB_INTERVAL = 2000000000
def __init__(self, parent=None, **kwargs):
"""Initialize the connectivity manager."""
actionMessage = kwargs.pop('actionMessage', 'test network connectivity')
super().__init__(parent, actionMessage=actionMessage)
self.jobStatus = False
self.jobInterval = ConnectivityManager.MIN_JOB_INTERVAL
self.jobTimeoutTimer = QtCore.QTimer()
self.jobArrangeTimer = QtCore.QTimer()
self.jobArrangeTimer.timeout.connect(lambda: self.startSingleTest())
def recalculateJobInterval(self, jobStatus: bool) -> int:
"""Return the recalculate job interval value used by the network connectivity manager."""
assert isinstance(jobStatus, bool)
if self.jobStatus is jobStatus:
self.jobInterval *= 2
else:
self.jobInterval = ConnectivityManager.MIN_JOB_INTERVAL
self.jobStatus = jobStatus
if self.jobInterval >= ConnectivityManager.MAX_JOB_INTERVAL:
# Limited
self.jobInterval = ConnectivityManager.MAX_JOB_INTERVAL
return self.jobInterval
def successCallback(self, networkReply, **kwargs):
"""Handle a successful network operation."""
self.jobTimeoutTimer.stop()
self.jobArrangeTimer.start(self.recalculateJobInterval(jobStatus=True))
def failureCallback(self, networkReply, **kwargs):
"""Handle a failed network operation."""
self.jobTimeoutTimer.stop()
self.jobArrangeTimer.start(self.recalculateJobInterval(jobStatus=False))
def startSingleTest(self):
# Use custom network connectivity test URL if possible
"""Start single test."""
settings = AppSettings.get('CustomNetworkConnectivityTestURL')
if isinstance(settings, str):
url = settings
else:
url = NETWORK_CONNECTIVITY_TEST_URL
networkReply = self.webGET(url)
def abort(_networkReply):
"""Cancel the active network connectivity manager operation."""
if isinstance(_networkReply, QNetworkReply):
_networkReply.abort()
self.jobTimeoutTimer.timeout.connect(functools.partial(abort, networkReply))
self.jobTimeoutTimer.start(ConnectivityManager.MIN_JOB_INTERVAL - 500)
def stopTest(self):
"""Stop test."""
self.jobArrangeTimer.stop()
self.jobTimeoutTimer.stop()
def connectedCallback(self):
"""Update the network connectivity manager for a connected state."""
if AppSettings.isStateON_('PowerSaveMode'):
# Power optimization
logger.info('no job for network connectivity manager in power save mode')
self.stopTest()
else:
self.jobInterval = ConnectivityManager.MIN_JOB_INTERVAL
self.jobArrangeTimer.start(self.jobInterval)
def disconnectedCallback(self):
"""Update the network connectivity manager for a disconnected state."""
self.stopTest()