/usr/include/libktorrent/diskio/multifilecache.h is in libktorrent-dev 1.3.1-5.
This file is owned by root:root, with mode 0o644.
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* Copyright (C) 2005 by Joris Guisson *
* joris.guisson@gmail.com *
* *
* 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 2 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, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef BTMULTIFILECACHE_H
#define BTMULTIFILECACHE_H
#include <QMap>
#include "cache.h"
#include "cachefile.h"
#include "dndfile.h"
namespace bt
{
/**
* @author Joris Guisson
* @brief Cache for multi file torrents
*
* This class manages a multi file torrent cache. Everything gets stored in the
* correct files immediately.
*/
class KTORRENT_EXPORT MultiFileCache : public Cache
{
public:
MultiFileCache(Torrent& tor, const QString & tmpdir, const QString & datadir, bool custom_output_name);
virtual ~MultiFileCache();
virtual void changeTmpDir(const QString& ndir);
virtual void create();
virtual PieceData::Ptr loadPiece(Chunk* c, Uint32 off, Uint32 length);
virtual PieceData::Ptr preparePiece(Chunk* c, Uint32 off, Uint32 length);
virtual void savePiece(PieceData::Ptr piece);
virtual void close();
virtual void open();
virtual Job* moveDataFiles(const QString & ndir);
virtual void moveDataFilesFinished(Job* job);
virtual Job* moveDataFiles(const QMap<TorrentFileInterface*, QString> & files);
virtual void moveDataFilesFinished(const QMap<TorrentFileInterface*, QString> & files, Job* job);
virtual QString getOutputPath() const;
virtual void changeOutputPath(const QString & outputpath);
virtual void preparePreallocation(PreallocationThread* prealloc);
virtual bool hasMissingFiles(QStringList & sl);
virtual Job* deleteDataFiles();
virtual Uint64 diskUsage();
virtual void loadFileMap();
virtual void saveFileMap();
virtual bool getMountPoints(QSet<QString>& mps);
private:
void touch(TorrentFile & tf);
virtual void downloadStatusChanged(TorrentFile*, bool);
void saveFirstAndLastChunk(TorrentFile* tf, const QString & src_file, const QString & dst_file);
void recreateFile(TorrentFile* tf, const QString & dnd_file, const QString & output_file);
PieceData::Ptr createPiece(Chunk* c, Uint32 off, Uint32 length, bool read_only);
void calculateOffsetAndLength(Uint32 piece_off, Uint32 piece_len, Uint64 file_off, Uint32 chunk_off, Uint32 chunk_len, Uint64 & off, Uint32 & len);
private:
QString cache_dir, output_dir;
QMap<Uint32, CacheFile::Ptr> files;
QMap<Uint32, DNDFile::Ptr> dnd_files;
QString new_output_dir;
bool opened;
};
}
#endif
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