/usr/include/libktorrent/peer/superseeder.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) 2010 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 BT_SUPERSEEDER_H
#define BT_SUPERSEEDER_H
#include <ktorrent_export.h>
#include <util/bitset.h>
#include <QMap>
#include <QSet>
namespace bt
{
class ChunkCounter;
class PeerInterface;
/**
Class which manages superseeding. Superseeding is a way to achieve much higher seeding
efficiences, thereby allowing a peer to use much less bandwidth to get a torrent seeded.
@see http://bittorrent.org/beps/bep_0016.html
*/
class KTORRENT_EXPORT SuperSeeder
{
public:
/**
Constructor.
@param num_chunks The number of chunks
*/
SuperSeeder(Uint32 num_chunks);
virtual ~SuperSeeder();
/**
A HAVE message was sent by a Peer
@param peer The Peer
@param chunk The chunk
*/
void have(PeerInterface* peer,bt::Uint32 chunk);
/**
A HAVE_ALL message was sent by a Peer
@param peer The Peer
*/
void haveAll(PeerInterface* peer);
/**
A BITSET message was sent by a Peer
@param peer The Peer
*/
void bitset(PeerInterface* peer,const BitSet & bs);
/**
A Peer has been added
@param peer The Peer
*/
void peerAdded(PeerInterface* peer);
/**
A Peer has been removed
@param peer The Peer
*/
void peerRemoved(PeerInterface* peer);
/**
Dump the status of the SuperSeeder for debugging purposes.
*/
void dump();
private:
void sendChunk(PeerInterface* peer);
private:
ChunkCounter* chunk_counter;
QMultiMap<bt::Uint32,bt::PeerInterface*> active_chunks;
QMap<bt::PeerInterface*,bt::Uint32> active_peers;
Uint32 num_seeders;
typedef QMultiMap<bt::Uint32,bt::PeerInterface*>::iterator ActiveChunkItr;
typedef QMap<bt::PeerInterface*,bt::Uint32>::iterator ActivePeerItr;
};
}
#endif // BT_SUPERSEEDER_H
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