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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 BTADVANCEDCHOKEALGORITHM_H
+#define BTADVANCEDCHOKEALGORITHM_H
+
+#include "choker.h"
+
+namespace bt
+{
+ class Peer;
+ class PeerPtrList;
+
+
+ /**
+ @author Joris Guisson <joris.guisson@gmail.com>
+ */
+ class AdvancedChokeAlgorithm : public ChokeAlgorithm
+ {
+ TimeStamp last_opt_sel_time; // last time we updated the optimistic unchoked peer
+ public:
+ AdvancedChokeAlgorithm();
+ virtual ~AdvancedChokeAlgorithm();
+
+ virtual void doChokingLeechingState(PeerManager & pman,ChunkManager & cman,const kt::TorrentStats & stats);
+ virtual void doChokingSeedingState(PeerManager & pman,ChunkManager & cman,const kt::TorrentStats & stats);
+
+ private:
+ bool calcACAScore(Peer* p,ChunkManager & cman,const kt::TorrentStats & stats);
+ Peer* updateOptimisticPeer(PeerManager & pman,const PeerPtrList & ppl);
+ void doUnchoking(PeerPtrList & ppl,Peer* poup);
+ };
+
+}
+
+#endif