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ktorrent/libktorrent/torrent/multifilecache.h

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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 <util/ptrmap.h>
#include "cache.h"
#include "settings.h"
namespace bt
{
class DNDFile;
class CacheFile;
/**
* @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 MultiFileCache : public Cache
{
TQString cache_dir,output_dir;
PtrMap<Uint32,CacheFile> files;
PtrMap<Uint32,DNDFile> dnd_files;
public:
MultiFileCache(Torrent& tor,const TQString & tmpdir,const TQString & datadir,bool custom_output_name);
virtual ~MultiFileCache();
virtual void changeTmpDir(const TQString& ndir);
virtual void create();
virtual void load(Chunk* c);
virtual void save(Chunk* c);
virtual bool prep(Chunk* c);
virtual void close();
virtual void open();
virtual TQString getOutputPath() const;
virtual void changeOutputPath(const TQString & outputpath);
virtual TDEIO::Job* moveDataFiles(const TQString & ndir);
virtual void moveDataFilesCompleted(TDEIO::Job* job);
virtual void preallocateDiskSpace(PreallocationThread* prealloc);
virtual bool hasMissingFiles(TQStringList & sl);
virtual void deleteDataFiles();
virtual Uint64 diskUsage();
private:
void touch(TorrentFile & tf);
virtual void downloadStatusChanged(TorrentFile*, bool);
TQString guessDataDir();
void saveFirstAndLastChunk(TorrentFile* tf,const TQString & src_file,const TQString & dst_file);
void recreateFile(TorrentFile* tf,const TQString & dnd_file,const TQString & output_file);
};
}
#endif