60 lines
2.7 KiB
C
60 lines
2.7 KiB
C
// compress_parallel.h
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// parallel compress for HDiffz
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/*
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The MIT License (MIT)
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Copyright (c) 2019 HouSisong
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation
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files (the "Software"), to deal in the Software without
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restriction, including without limitation the rights to use,
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copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following
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conditions:
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The above copyright notice and this permission notice shall be
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included in all copies of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef HDiff_compress_parallel_h
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#define HDiff_compress_parallel_h
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#include "libHDiffPatch/HDiff/diff_types.h"
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#include "libParallel/parallel_import.h"
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#if (_IS_USED_MULTITHREAD)
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef void* hdiff_compressBlockHandle;
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typedef struct hdiff_TParallelCompress{
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void* import;
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hpatch_StreamPos_t (*maxCompressedSize)(hpatch_StreamPos_t dataSize);
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hdiff_compressBlockHandle (*openBlockCompressor)(struct hdiff_TParallelCompress* pc);
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void (*closeBlockCompressor)(struct hdiff_TParallelCompress* pc,
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hdiff_compressBlockHandle blockCompressor);
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//compressBlock() called multiple times by thread
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size_t (*compressBlock)(struct hdiff_TParallelCompress* pc,hdiff_compressBlockHandle blockCompressor,
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hpatch_StreamPos_t blockIndex,hpatch_StreamPos_t blockCount,unsigned char* out_code,unsigned char* out_codeEnd,
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const unsigned char* block_data,const unsigned char* block_dictEnd,const unsigned char* block_dataEnd);
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} hdiff_TParallelCompress;
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hpatch_StreamPos_t parallel_compress_blocks(hdiff_TParallelCompress* pc,
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int threadNum,size_t blockDictSize,size_t blockSize,
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const hpatch_TStreamOutput* out_code,
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const hpatch_TStreamInput* in_data);
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif
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