50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
/*
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*
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* Copyright (c) 2008-2016
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* String Algorithms Research Group
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* Institute of Information Engineering, Chinese Academy of Sciences (IIE-CAS)
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* National Engineering Laboratory for Information Security Technologies (NELIST)
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* All rights reserved
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*
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* Written by: LIU YANBING (liuyanbing@iie.ac.cn)
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* Last modification: 2016-05-31
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*
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* This code is the exclusive and proprietary property of IIE-CAS and NELIST.
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* Usage for direct or indirect commercial advantage is not allowed without
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* written permission from the authors.
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*
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*/
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/* 仅适用于IP字段，并且为单点IP或者8-bit掩码的IP */
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#ifndef H_IPMASK_INDEX_CPP_H
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#define H_IPMASK_INDEX_CPP_H
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#include "IntervalIndex.h"
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#include "SuccinctHash.h"
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#include <vector>
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using namespace std;
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bool is_8bit_ipmask(const vector<unsigned int>& a, const vector<unsigned int>& b);
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class CIPMaskIndex : public CIntervalIndex
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{
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public:
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CIPMaskIndex();
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virtual ~CIPMaskIndex();
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virtual long long PreProcessing(const std::vector<unsigned int>& a, const std::vector<unsigned int>& b);
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virtual int Find(unsigned int key, unsigned int * result, unsigned int size);
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private:
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bool m_is_single;
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unsigned char m_bitmap[1U<<21];
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unsigned int m_L[(1U<<24)+1];
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unsigned int * m_values;
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CSuccinctHash * m_ip_hash;
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};
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#endif
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