mirror of
https://github.com/PurpleI2P/i2pd
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40 lines
833 B
C++
40 lines
833 B
C++
/*
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* Copyright (c) 2013-2020, The PurpleI2P Project
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*
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* This file is part of Purple i2pd project and licensed under BSD3
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*
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* See full license text in LICENSE file at top of project tree
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*/
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#ifndef BLOOM_FILTER_H_
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#define BLOOM_FILTER_H_
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#include <memory>
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#include <cstdint>
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namespace i2p
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{
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namespace util
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{
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/** @brief interface for bloom filter */
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struct IBloomFilter
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{
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/** @brief destructor */
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virtual ~IBloomFilter() {};
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/** @brief add entry to bloom filter, return false if filter hit otherwise return true */
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virtual bool Add(const uint8_t * data, std::size_t len) = 0;
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/** @brief optionally decay old entries */
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virtual void Decay() = 0;
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};
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typedef std::shared_ptr<IBloomFilter> BloomFilterPtr;
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/** @brief create bloom filter */
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BloomFilterPtr BloomFilter(std::size_t capacity = 1024 * 8);
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}
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}
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#endif
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