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I2P: End-to-End encrypted and anonymous Internet
https://i2pd.website/
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59 lines
1.3 KiB
59 lines
1.3 KiB
/* |
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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 GZIP_H__ |
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#define GZIP_H__ |
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#include <zlib.h> |
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#include <vector> |
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namespace i2p |
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{ |
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namespace data |
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{ |
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class GzipInflator |
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{ |
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public: |
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GzipInflator (); |
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~GzipInflator (); |
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size_t Inflate (const uint8_t * in, size_t inLen, uint8_t * out, size_t outLen); |
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/** @note @a os failbit will be set in case of error */ |
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void Inflate (const uint8_t * in, size_t inLen, std::ostream& os); |
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void Inflate (std::istream& in, std::ostream& out); |
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private: |
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z_stream m_Inflator; |
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bool m_IsDirty; |
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}; |
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class GzipDeflator |
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{ |
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public: |
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GzipDeflator (); |
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~GzipDeflator (); |
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void SetCompressionLevel (int level); |
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size_t Deflate (const uint8_t * in, size_t inLen, uint8_t * out, size_t outLen); |
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size_t Deflate (const std::vector<std::pair<const uint8_t *, size_t> >& bufs, uint8_t * out, size_t outLen); |
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private: |
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z_stream m_Deflator; |
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bool m_IsDirty; |
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}; |
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size_t GzipNoCompression (const uint8_t * in, uint16_t inLen, uint8_t * out, size_t outLen); // for < 64K |
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size_t GzipNoCompression (const std::vector<std::pair<const uint8_t *, size_t> >& bufs, uint8_t * out, size_t outLen); // for total size < 64K |
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} // data |
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} // i2p |
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#endif /* GZIP_H__ */
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