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70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
/*
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* CLoadIntegrityValidator.cpp, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#include "StdInc.h"
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#include "CLoadIntegrityValidator.h"
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#include "../filesystem/FileStream.h"
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#include "../registerTypes/RegisterTypes.h"
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VCMI_LIB_NAMESPACE_BEGIN
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CLoadIntegrityValidator::CLoadIntegrityValidator(const boost::filesystem::path &primaryFileName, const boost::filesystem::path &controlFileName, int minimalVersion)
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: serializer(this), foundDesync(false)
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{
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registerTypes(serializer);
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primaryFile = make_unique<CLoadFile>(primaryFileName, minimalVersion);
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controlFile = make_unique<CLoadFile>(controlFileName, minimalVersion);
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assert(primaryFile->serializer.fileVersion == controlFile->serializer.fileVersion);
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serializer.fileVersion = primaryFile->serializer.fileVersion;
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}
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int CLoadIntegrityValidator::read( void * data, unsigned size )
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{
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assert(primaryFile);
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assert(controlFile);
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if(!size)
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return size;
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std::vector<ui8> controlData(size);
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auto ret = primaryFile->read(data, size);
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if(!foundDesync)
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{
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controlFile->read(controlData.data(), size);
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if(std::memcmp(data, controlData.data(), size))
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{
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logGlobal->error("Desync found! Position: %d", primaryFile->sfile->tellg());
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foundDesync = true;
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//throw std::runtime_error("Savegame dsynchronized!");
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}
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}
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return ret;
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}
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std::unique_ptr<CLoadFile> CLoadIntegrityValidator::decay()
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{
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primaryFile->serializer.loadedPointers = this->serializer.loadedPointers;
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primaryFile->serializer.loadedPointersTypes = this->serializer.loadedPointersTypes;
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return std::move(primaryFile);
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}
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void CLoadIntegrityValidator::checkMagicBytes( const std::string &text )
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{
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assert(primaryFile);
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assert(controlFile);
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primaryFile->checkMagicBytes(text);
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controlFile->checkMagicBytes(text);
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}
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VCMI_LIB_NAMESPACE_END
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