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// TarUpdate.cpp
#include "StdAfx.h"
#include "Common/Defs.h"
#include "Common/StringConvert.h"
#include "Windows/Defs.h"
#include "../../Common/ProgressUtils.h"
#include "../../Common/LimitedStreams.h"
#include "../../Compress/Copy/CopyCoder.h"
#include "TarOut.h"
#include "TarUpdate.h"
static const UInt64 kOneItemComplexity = 512;
namespace NArchive {
namespace NTar {
static HRESULT CopyBlock(ISequentialInStream *inStream,
ISequentialOutStream *outStream, ICompressProgressInfo *progress,
UInt64 *totalSize = NULL)
{
NCompress::CCopyCoder *copyCoderSpec = new NCompress::CCopyCoder;
CMyComPtr<ICompressCoder> copyCoder = copyCoderSpec;
HRESULT result = copyCoder->Code(inStream, outStream, NULL, NULL, progress);
if (totalSize != NULL)
*totalSize = copyCoderSpec->TotalSize;
return result;
}
HRESULT UpdateArchive(IInStream *inStream, ISequentialOutStream *outStream,
const CObjectVector<NArchive::NTar::CItemEx> &inputItems,
const CObjectVector<CUpdateItemInfo> &updateItems,
IArchiveUpdateCallback *updateCallback)
{
COutArchive outArchive;
outArchive.Create(outStream);
UInt64 complexity = 0;
int i;
for(i = 0; i < updateItems.Size(); i++)
{
const CUpdateItemInfo &updateItem = updateItems[i];
if (updateItem.NewData)
complexity += updateItem.Size;
else
complexity += inputItems[updateItem.IndexInArchive].GetFullSize();
complexity += kOneItemComplexity;
}
RINOK(updateCallback->SetTotal(complexity));
complexity = 0;
for(i = 0; i < updateItems.Size(); i++)
{
RINOK(updateCallback->SetCompleted(&complexity));
CLocalProgress *localProgressSpec = new CLocalProgress;
CMyComPtr<ICompressProgressInfo> localProgress = localProgressSpec;
localProgressSpec->Init(updateCallback, true);
CLocalCompressProgressInfo *localCompressProgressSpec = new CLocalCompressProgressInfo;
CMyComPtr<ICompressProgressInfo> compressProgress = localCompressProgressSpec;
localCompressProgressSpec->Init(localProgress, &complexity, NULL);
const CUpdateItemInfo &updateItem = updateItems[i];
CItem item;
if (updateItem.NewProperties)
{
item.Mode = 0777;
item.Name = (updateItem.Name);
if (updateItem.IsDirectory)
{
item.LinkFlag = NFileHeader::NLinkFlag::kDirectory;
item.Size = 0;
}
else
{
item.LinkFlag = NFileHeader::NLinkFlag::kNormal;
item.Size = updateItem.Size;
}
item.ModificationTime = updateItem.Time;
item.DeviceMajorDefined = false;
item.DeviceMinorDefined = false;
item.UID = 0;
item.GID = 0;
memmove(item.Magic, NFileHeader::NMagic::kEmpty, 8);
}
else
{
const CItemEx &existItemInfo = inputItems[updateItem.IndexInArchive];
item = existItemInfo;
}
if (updateItem.NewData)
{
item.Size = updateItem.Size;
if (item.Size == UInt64(Int64(-1)))
return E_INVALIDARG;
}
else
{
const CItemEx &existItemInfo = inputItems[updateItem.IndexInArchive];
item.Size = existItemInfo.Size;
}
if (updateItem.NewData)
{
CMyComPtr<ISequentialInStream> fileInStream;
HRESULT res = updateCallback->GetStream(updateItem.IndexInClient, &fileInStream);
if (res != S_FALSE)
{
RINOK(res);
RINOK(outArchive.WriteHeader(item));
if (!updateItem.IsDirectory)
{
UInt64 totalSize;
RINOK(CopyBlock(fileInStream, outStream, compressProgress, &totalSize));
if (totalSize != item.Size)
return E_FAIL;
RINOK(outArchive.FillDataResidual(item.Size));
}
}
complexity += updateItem.Size;
RINOK(updateCallback->SetOperationResult(
NArchive::NUpdate::NOperationResult::kOK));
}
else
{
CLimitedSequentialInStream *streamSpec = new CLimitedSequentialInStream;
CMyComPtr<CLimitedSequentialInStream> inStreamLimited(streamSpec);
const CItemEx &existItemInfo = inputItems[updateItem.IndexInArchive];
if (updateItem.NewProperties)
{
RINOK(outArchive.WriteHeader(item));
RINOK(inStream->Seek(existItemInfo.GetDataPosition(),
STREAM_SEEK_SET, NULL));
streamSpec->SetStream(inStream);
streamSpec->Init(existItemInfo.Size);
}
else
{
RINOK(inStream->Seek(existItemInfo.HeaderPosition,
STREAM_SEEK_SET, NULL));
streamSpec->SetStream(inStream);
streamSpec->Init(existItemInfo.GetFullSize());
}
RINOK(CopyBlock(inStreamLimited, outStream, compressProgress));
RINOK(outArchive.FillDataResidual(existItemInfo.Size));
complexity += existItemInfo.GetFullSize();
}
complexity += kOneItemComplexity;
}
return outArchive.WriteFinishHeader();
}
}}
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