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;
}
void CNamedIndexesOptimiser::AssignBlockNumbers(void)
{
int i;
CNamedIndexesBlocks* pcBlocks;
int iFileNumber;
for (i = 0; i < mpacBlocks->NumElements(); i++)
{
pcBlocks = mpacBlocks->Get(i);
iFileNumber = mpcFiles->GetUniqueFileNumber(pcBlocks->GetDataSize());
pcBlocks->SetFileNumber(iFileNumber);
}
}
