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84 lines
2.5 KiB
84 lines
2.5 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 BTCHUNKCOUNTER_H
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#define BTCHUNKCOUNTER_H
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#include <util/constants.h>
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#include <util/array.h>
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namespace bt
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{
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class BitSet;
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/**
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* @author Joris Guisson
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*
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* Class to keep track of how many peers have a chunk.
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*/
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class ChunkCounter
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{
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Array<Uint32> cnt;
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public:
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ChunkCounter(Uint32 num_chunks);
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virtual ~ChunkCounter();
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/**
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* If a bit in the bitset is one, increment the corresponding counter.
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* @param bs The BitSet
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*/
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void incBitSet(const BitSet & bs);
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/**
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* If a bit in the bitset is one, decrement the corresponding counter.
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* @param bs The BitSet
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*/
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void decBitSet(const BitSet & bs);
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/**
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* Increment the counter for the idx'th chunk
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* @param idx Index of the chunk
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*/
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void inc(Uint32 idx);
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/**
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* Decrement the counter for the idx'th chunk
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* @param idx Index of the chunk
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*/
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void dec(Uint32 idx);
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/**
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* Get the counter for the idx'th chunk
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* @param idx Index of the chunk
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*/
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Uint32 get(Uint32 idx) const;
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/**
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* Reset all values to 0
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*/
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void reset();
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};
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}
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#endif
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