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112 lines
3.9 KiB
C++
112 lines
3.9 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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*
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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 <libtorrent/torrent_info.hpp>
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#include <QtContainerFwd>
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#include <QCoreApplication>
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#include <QVector>
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#include "base/3rdparty/expected.hpp"
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#include "base/indexrange.h"
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#include "base/pathfwd.h"
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class QByteArray;
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class QDateTime;
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class QString;
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class QUrl;
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namespace BitTorrent
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{
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class InfoHash;
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struct TrackerEntry;
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class TorrentInfo
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{
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Q_DECLARE_TR_FUNCTIONS(TorrentInfo)
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public:
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TorrentInfo() = default;
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TorrentInfo(const TorrentInfo &other);
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explicit TorrentInfo(const lt::torrent_info &nativeInfo);
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static nonstd::expected<TorrentInfo, QString> load(const QByteArray &data) noexcept;
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static nonstd::expected<TorrentInfo, QString> loadFromFile(const Path &path) noexcept;
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nonstd::expected<void, QString> saveToFile(const Path &path) const;
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TorrentInfo &operator=(const TorrentInfo &other);
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bool isValid() const;
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InfoHash infoHash() const;
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QString name() const;
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QDateTime creationDate() const;
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QString creator() const;
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QString comment() const;
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bool isPrivate() const;
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qlonglong totalSize() const;
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int filesCount() const;
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int pieceLength() const;
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int pieceLength(int index) const;
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int piecesCount() const;
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Path filePath(int index) const;
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PathList filePaths() const;
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qlonglong fileSize(int index) const;
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qlonglong fileOffset(int index) const;
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QVector<TrackerEntry> trackers() const;
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QVector<QUrl> urlSeeds() const;
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QByteArray metadata() const;
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PathList filesForPiece(int pieceIndex) const;
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QVector<int> fileIndicesForPiece(int pieceIndex) const;
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QVector<QByteArray> pieceHashes() const;
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using PieceRange = IndexRange<int>;
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// returns pair of the first and the last pieces into which
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// the given file extends (maybe partially).
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PieceRange filePieces(const Path &filePath) const;
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PieceRange filePieces(int fileIndex) const;
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std::shared_ptr<lt::torrent_info> nativeInfo() const;
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QVector<lt::file_index_t> nativeIndexes() const;
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private:
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// returns file index or -1 if fileName is not found
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int fileIndex(const Path &filePath) const;
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std::shared_ptr<const lt::torrent_info> m_nativeInfo;
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// internal indexes of files (payload only, excluding any .pad files)
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// by which they are addressed in libtorrent
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QVector<lt::file_index_t> m_nativeIndexes;
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};
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}
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Q_DECLARE_METATYPE(BitTorrent::TorrentInfo)
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