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81 lines
2.6 KiB
81 lines
2.6 KiB
/***************************************************************************
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* Copyright (C) 2005 by Joris Guisson *
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* joris.guisson@gmail.com *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#ifndef BTCHUNKSELECTOR_H
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#define BTCHUNKSELECTOR_H
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#include <list>
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#include <util/timer.h>
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namespace bt
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{
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class BitSet;
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class PeerDownloader;
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class ChunkManager;
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class Downloader;
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class PeerManager;
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/**
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* @author Joris Guisson
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*
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* Selects which Chunks to download.
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*/
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class ChunkSelector
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{
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ChunkManager & cman;
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Downloader & downer;
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PeerManager & pman;
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std::list<Uint32> chunks;
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Timer sort_timer;
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public:
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ChunkSelector(ChunkManager & cman,Downloader & downer,PeerManager &pman);
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virtual ~ChunkSelector();
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/**
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* Select which chunk to download for a PeerDownloader.
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* @param pd The PeerDownloader
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* @param chunk Index of chunk gets stored here
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* @return true upon succes, false otherwise
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*/
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bool select(PeerDownloader* pd,Uint32 & chunk);
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/**
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* Data has been checked, and these chunks are OK.
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* @param ok_chunks The ok_chunks
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*/
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void dataChecked(const BitSet & ok_chunks);
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/**
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* A range of chunks has been reincluded.
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* @param from The first chunk
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* @param to The last chunk
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*/
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void reincluded(Uint32 from, Uint32 to);
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/**
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* Reinsert a chunk.
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* @param chunk The chunk
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*/
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void reinsert(Uint32 chunk);
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};
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}
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#endif
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