void* CNamedIndexes::AllocateInCache(size_t iSize)
{
CMemoryCacheAllocation cPreAllocated;
void* pvData;
int i;
SMemoryCacheDescriptor* psMemoryDesc;
int iCacheDescriptorSize;
CNamedIndexesBlock* pcNamedIndexes;
void* pvCacheMem;
CIndexedFile* pcFile;
BOOL bResult;
CNamedIndexesBlocks* pcBlocks;
cPreAllocated.Init(iSize);
if (!mcCache.PreAllocate(&cPreAllocated))
{
cPreAllocated.Kill();
return NULL;
}
for (i = 0; i < cPreAllocated.NumElements(); i++)
{
psMemoryDesc = cPreAllocated.Get(i);
iCacheDescriptorSize = psMemoryDesc->iDataSize;
pcBlocks = GetBlockForCacheDescriptorSize(iCacheDescriptorSize);
if (!pcBlocks)
{
return NULL;
}
pvCacheMem = RemapSinglePointer(psMemoryDesc, sizeof(SMemoryCacheDescriptor));
pcNamedIndexes = pcBlocks->GetBlock(pvCacheMem);
if (!pcNamedIndexes)
{
return NULL;
}
pcFile = GetOrCreateFile(pcBlocks->GetDataSize(), pcBlocks->GetFileNumber());
if (!pcFile)
{
return NULL;
}
pcBlocks->SetFileNumber(pcFile->miFileNumber);
bResult = pcNamedIndexes->Uncache(pcFile);
if (!bResult)
{
cPreAllocated.Kill();
return NULL;
}
}
pvData = mcCache.Allocate(&cPreAllocated);
cPreAllocated.Kill();
return pvData;
}
BOOL CTransientIndexedFile::Allocate(STransientIndexedPointer* psPointer, int iPointerIndex)
{
SOIndexIndexCacheDescriptor* psOIndexIndex;
CMemoryCacheAllocation cPreAllocated;
int i;
void* pvData;
cPreAllocated.Init(psPointer->sIndexedMemory.uiSize);
if (!mcCache.PreAllocate(&cPreAllocated))
{
cPreAllocated.Kill();
return FALSE;
}
for (i = 0; i < cPreAllocated.NumElements(); i++)
{
psOIndexIndex = (SOIndexIndexCacheDescriptor*)cPreAllocated.Get(i);
pvData = RemapSinglePointer(psOIndexIndex, sizeof(SOIndexIndexCacheDescriptor));
Write(psOIndexIndex->sIndex.iIndex, pvData);
}
pvData = mcCache.Allocate(&cPreAllocated);
if (pvData)
{
psOIndexIndex = (SOIndexIndexCacheDescriptor*)RemapSinglePointer(pvData, -(int)(sizeof(SOIndexIndexCacheDescriptor)));
psOIndexIndex->sIndex.iIndex = iPointerIndex;
psOIndexIndex->sIndex.oi = psPointer->sIndexedMemory.oi;
psPointer->pvCache = pvData;
cPreAllocated.Kill();
return TRUE;
}
else
{
cPreAllocated.Kill();
return FALSE;
}
}
