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106 lines
3 KiB
C++
106 lines
3 KiB
C++
/*
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* Copyright (C) by Markus Goetz <markus@woboq.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#ifndef BANDWIDTHMANAGER_H
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#define BANDWIDTHMANAGER_H
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#include <QObject>
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#include <QTimer>
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#include <QIODevice>
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#include <list>
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namespace OCC {
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class UploadDevice;
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class GETFileJob;
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class OwncloudPropagator;
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/**
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* @brief The BandwidthManager class
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* @ingroup libsync
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*/
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class BandwidthManager : public QObject
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{
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Q_OBJECT
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public:
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BandwidthManager(OwncloudPropagator *p);
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~BandwidthManager() override;
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bool usingAbsoluteUploadLimit() { return _currentUploadLimit > 0; }
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bool usingRelativeUploadLimit() { return _currentUploadLimit < 0; }
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bool usingAbsoluteDownloadLimit() { return _currentDownloadLimit > 0; }
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bool usingRelativeDownloadLimit() { return _currentDownloadLimit < 0; }
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public slots:
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void registerUploadDevice(UploadDevice *);
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void unregisterUploadDevice(QObject *);
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void registerDownloadJob(GETFileJob *);
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void unregisterDownloadJob(QObject *);
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void absoluteLimitTimerExpired();
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void switchingTimerExpired();
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void relativeUploadMeasuringTimerExpired();
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void relativeUploadDelayTimerExpired();
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void relativeDownloadMeasuringTimerExpired();
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void relativeDownloadDelayTimerExpired();
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private:
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// for switching between absolute and relative bw limiting
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QTimer _switchingTimer;
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// FIXME this timer and this variable should be replaced
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// by the propagator emitting the changed limit values to us as signal
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OwncloudPropagator *_propagator;
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// for absolute up/down bw limiting
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QTimer _absoluteLimitTimer;
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// FIXME merge these two lists
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std::list<UploadDevice *> _absoluteUploadDeviceList;
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std::list<UploadDevice *> _relativeUploadDeviceList;
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QTimer _relativeUploadMeasuringTimer;
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// for relative bw limiting, we need to wait this amount before measuring again
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QTimer _relativeUploadDelayTimer;
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// the device measured
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UploadDevice *_relativeLimitCurrentMeasuredDevice;
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// for measuring how much progress we made at start
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qint64 _relativeUploadLimitProgressAtMeasuringRestart;
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qint64 _currentUploadLimit;
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std::list<GETFileJob *> _downloadJobList;
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QTimer _relativeDownloadMeasuringTimer;
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// for relative bw limiting, we need to wait this amount before measuring again
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QTimer _relativeDownloadDelayTimer;
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// the device measured
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GETFileJob *_relativeLimitCurrentMeasuredJob;
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// for measuring how much progress we made at start
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qint64 _relativeDownloadLimitProgressAtMeasuringRestart;
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qint64 _currentDownloadLimit;
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};
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} // namespace OCC
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#endif
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