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https://github.com/qbittorrent/qBittorrent.git
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87 lines
2.4 KiB
C++
87 lines
2.4 KiB
C++
/*
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* Bittorrent Client using Qt and libtorrent.
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* Copyright (C) 2015 Vladimir Golovnev <glassez@yandex.ru>
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* Copyright (C) 2011 Christophe Dumez <chris@qbittorrent.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* In addition, as a special exception, the copyright holders give permission to
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* link this program with the OpenSSL project's "OpenSSL" library (or with
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* modified versions of it that use the same license as the "OpenSSL" library),
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* and distribute the linked executables. You must obey the GNU General Public
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* License in all respects for all of the code used other than "OpenSSL". If you
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* modify file(s), you may extend this exception to your version of the file(s),
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* but you are not obligated to do so. If you do not wish to do so, delete this
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* exception statement from your version.
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*/
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#pragma once
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#ifndef Q_MOC_RUN
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#include <boost/circular_buffer.hpp>
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#endif
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#include <QtGlobal>
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template<typename T>
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struct Sample
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{
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Sample()
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: download()
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, upload()
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{
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}
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Sample(T dl, T ul)
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: download(dl)
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, upload(ul)
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{
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}
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Sample<T> &operator+=(const Sample<T> &other)
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{
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download += other.download;
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upload += other.upload;
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return *this;
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}
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Sample<T> &operator-=(const Sample<T> &other)
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{
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download -= other.download;
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upload -= other.upload;
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return *this;
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}
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T download;
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T upload;
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};
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typedef Sample<qlonglong> SpeedSample;
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typedef Sample<qreal> SpeedSampleAvg;
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class SpeedMonitor
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{
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public:
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SpeedMonitor();
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void addSample(const SpeedSample &sample);
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SpeedSampleAvg average() const;
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void reset();
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private:
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static const int MAX_SAMPLES = 30;
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boost::circular_buffer<SpeedSample> m_speedSamples;
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SpeedSample m_sum;
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};
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