/usr/include/libktorrent/download/chunkselector.h is in libktorrent-dev 1.3.1-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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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 BTCHUNKSELECTOR_H
#define BTCHUNKSELECTOR_H
#include <list>
#include <util/timer.h>
#include <interfaces/chunkselectorinterface.h>
namespace bt
{
class BitSet;
class ChunkManager;
class Downloader;
class PeerManager;
class PieceDownloader;
/**
* @author Joris Guisson
*
* Selects which Chunks to download.
*/
class ChunkSelector : public ChunkSelectorInterface
{
std::list<Uint32> chunks;
Timer sort_timer;
public:
ChunkSelector();
virtual ~ChunkSelector();
virtual void init(ChunkManager* cman, Downloader* downer, PeerManager* pman);
/**
* Select which chunk to download for a PieceDownloader.
* @param pd The PieceDownloader
* @param chunk Index of chunk gets stored here
* @return true upon succes, false otherwise
*/
bool select(PieceDownloader* pd,Uint32 & chunk);
/**
* Data has been checked, and these chunks are OK.
* @param ok_chunks The ok_chunks
*/
void dataChecked(const bt::BitSet& ok_chunks, bt::Uint32 from, bt::Uint32 to);
/**
* A range of chunks has been reincluded.
* @param from The first chunk
* @param to The last chunk
*/
void reincluded(Uint32 from, Uint32 to);
/**
* Reinsert a chunk.
* @param chunk The chunk
*/
void reinsert(Uint32 chunk);
virtual bool selectRange(Uint32 & from,Uint32 & to,Uint32 max_len);
protected:
Uint32 leastPeers(const std::list<Uint32> & lp,Uint32 alternative,Uint32 max_peers_per_chunk);
};
}
#endif
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