File indexing completed on 2025-01-05 04:37:24

0001 /*
0002     SPDX-FileCopyrightText: 2005 Joris Guisson <joris.guisson@gmail.com>
0003 
0004     SPDX-License-Identifier: GPL-2.0-or-later
0005 */
0006 #ifndef BTADVANCEDCHOKEALGORITHM_H
0007 #define BTADVANCEDCHOKEALGORITHM_H
0008 
0009 #include "choker.h"
0010 #include <peer/peer.h>
0011 
0012 namespace bt
0013 {
0014 struct TorrentStats;
0015 
0016 /**
0017     @author Joris Guisson <joris.guisson@gmail.com>
0018 */
0019 class AdvancedChokeAlgorithm : public ChokeAlgorithm
0020 {
0021 public:
0022     AdvancedChokeAlgorithm();
0023     ~AdvancedChokeAlgorithm() override;
0024 
0025     void doChokingLeechingState(PeerManager &pman, ChunkManager &cman, const TorrentStats &stats) override;
0026     void doChokingSeedingState(PeerManager &pman, ChunkManager &cman, const TorrentStats &stats) override;
0027 
0028 private:
0029     bool calcACAScore(Peer::Ptr p, ChunkManager &cman, const TorrentStats &stats);
0030     Peer::Ptr updateOptimisticPeer(PeerManager &pman, const QList<Peer::Ptr> &ppl);
0031     void doUnchoking(const QList<Peer::Ptr> &ppl, Peer::Ptr poup);
0032 
0033 private:
0034     TimeStamp last_opt_sel_time; // last time we updated the optimistic unchoked peer
0035 };
0036 
0037 }
0038 
0039 #endif