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be7cfb78de
Reduce the total startup time of the application and maintain sufficient responsiveness of the UI during startup due to the following: 1. Load resume data from disk asynchronously in separate thread; 2. Split handling of loaded resume data in chunks; 3. Reduce the number of emitting signals. PR #16840.
85 lines
3.0 KiB
C++
85 lines
3.0 KiB
C++
/*
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* Bittorrent Client using Qt and libtorrent.
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* Copyright (C) 2015-2022 Vladimir Golovnev <glassez@yandex.ru>
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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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#include <QtContainerFwd>
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#include <QMutex>
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#include <QObject>
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#include <QVector>
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#include "base/3rdparty/expected.hpp"
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#include "base/path.h"
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#include "infohash.h"
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#include "loadtorrentparams.h"
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namespace BitTorrent
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{
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using LoadResumeDataResult = nonstd::expected<LoadTorrentParams, QString>;
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struct LoadedResumeData
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{
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TorrentID torrentID;
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LoadResumeDataResult result;
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};
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class ResumeDataStorage : public QObject
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{
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Q_OBJECT
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Q_DISABLE_COPY_MOVE(ResumeDataStorage)
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public:
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explicit ResumeDataStorage(const Path &path, QObject *parent = nullptr);
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Path path() const;
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virtual QVector<TorrentID> registeredTorrents() const = 0;
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virtual LoadResumeDataResult load(const TorrentID &id) const = 0;
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virtual void store(const TorrentID &id, const LoadTorrentParams &resumeData) const = 0;
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virtual void remove(const TorrentID &id) const = 0;
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virtual void storeQueue(const QVector<TorrentID> &queue) const = 0;
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void loadAll() const;
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QVector<LoadedResumeData> fetchLoadedResumeData() const;
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signals:
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void loadStarted(const QVector<BitTorrent::TorrentID> &torrents);
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void loadFinished();
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protected:
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void onResumeDataLoaded(const TorrentID &torrentID, const LoadResumeDataResult &loadResumeDataResult) const;
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private:
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virtual void doLoadAll() const = 0;
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const Path m_path;
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mutable QVector<LoadedResumeData> m_loadedResumeData;
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mutable QMutex m_loadedResumeDataMutex;
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};
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}
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