69 lines
1.4 KiB
C++
69 lines
1.4 KiB
C++
#pragma once
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#include <vector>
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#include <cstdint>
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#include <cstring>
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#include <lz4.h>
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#include <stdexcept>
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#include <algorithm>
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#include <iostream>
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#define ZSTD_STATIC_LINKING_ONLY
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#include <zstd.h>
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#if ZSTD_VERSION_NUMBER < 10400
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#error "Wymagane zstd >= 1.4.0 dla ZSTD_c_format / ZSTD_f_zstd1_magicless"
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#endif
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#include "EncryptionManager.h"
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#define BLOCK_SIZE 131072 // 128KB
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struct BlockSize
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{
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uint32_t raw;
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uint32_t zip;
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};
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class ChunkManager
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{
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public:
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ChunkManager(EncryptionManager& em);
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~ChunkManager();
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// Kompresja danych
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std::vector<char> chunked(const std::vector<char>&, const bool&);
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// Dekompresja
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std::vector<char> dechunked(const std::vector<char>&, const bool&);
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private:
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EncryptionManager eman;
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std::vector<BlockSize> blockSizes;
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// Przekonwertuj zmienn¹ na ci¹g na vector
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template <typename T>
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void addIntToVector(std::vector<char>& vec, const T& val)
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{
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size_t tmpSize = vec.size();
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vec.resize(tmpSize + sizeof(val));
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std::memcpy(vec.data() + tmpSize, &val, sizeof(val));
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}
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// Pobierz zmienn¹ z vectora
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template <typename T>
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T getIntFromVector(const std::vector<char>& vec, size_t& offset)
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{
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T tmp{};
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std::memcpy(&tmp, vec.data() + offset, sizeof(tmp));
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offset += sizeof(tmp);
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return tmp;
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}
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// Kompresja
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std::vector<char> compress_data(const std::vector<char>&);
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// Dekompresja
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std::vector<char> decompress_data(const std::vector<char>&, const size_t&);
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};
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