79 lines
3.3 KiB
C++
79 lines
3.3 KiB
C++
// dir_diff.h
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// hdiffz dir diff
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//
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/*
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The MIT License (MIT)
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Copyright (c) 2018-2019 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_dir_diff_h
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#define hdiff_dir_diff_h
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#include "../dir_patch/dir_patch_types.h"
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struct THDiffSets{
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hpatch_BOOL isDiffInMem;//or diff by stream
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hpatch_BOOL isSingleCompressedDiff;
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//diff in mem
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hpatch_BOOL isUseBigCacheMatch;
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size_t matchScore;
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size_t patchStepMemSize;
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size_t matchBlockSize;
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size_t threadNum;
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size_t threadNumSearch_s;
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};
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#if (_IS_NEED_DIR_DIFF_PATCH)
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#include "dir_manifest.h"
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struct IDirDiffListener{
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virtual ~IDirDiffListener(){}
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virtual bool isExecuteFile(const std::string& fileName) { return false; }
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virtual void diffRefInfo(size_t oldPathCount,size_t newPathCount,size_t sameFilePairCount,
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hpatch_StreamPos_t sameFileSize,size_t refOldFileCount,size_t refNewFileCount,
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hpatch_StreamPos_t refOldFileSize,hpatch_StreamPos_t refNewFileSize){}
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virtual void runHDiffBegin(){}
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virtual void runHDiffEnd(hpatch_StreamPos_t diffDataSize){}
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virtual void externData(std::vector<unsigned char>& out_externData){}
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virtual void externDataPosInDiffStream(hpatch_StreamPos_t externDataPos,size_t externDataSize){}
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};
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void dir_diff(IDirDiffListener* listener,const TManifest& oldManifest,
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const TManifest& newManifest,const hpatch_TStreamOutput* outDiffStream,
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const hdiff_TCompress* compressPlugin,hpatch_TChecksum* checksumPlugin,
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const THDiffSets& hdiffSets,size_t kMaxOpenFileNumber);
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bool check_dirdiff(IDirDiffListener* listener,const TManifest& oldManifest,const TManifest& newManifest,
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const hpatch_TStreamInput* testDiffData,hpatch_TDecompress* decompressPlugin,
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hpatch_TChecksum* checksumPlugin,size_t kMaxOpenFileNumber);
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//check oldPath's data is same as that in dir_diff
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hpatch_BOOL check_dirOldDataChecksum(const char* oldPath,hpatch_TStreamInput* diffData,
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hpatch_TDecompress* decompressPlugin,hpatch_TChecksum* checksumPlugin);
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void resave_dirdiff(const hpatch_TStreamInput* in_diff,hpatch_TDecompress* decompressPlugin,
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const hpatch_TStreamOutput* out_diff,const hdiff_TCompress* compressPlugin,
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hpatch_TChecksum* checksumPlugin);
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#endif
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#endif //hdiff_dir_diff_h
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