MemoryRegion* MemoryManager::find(const MPtr data, uint bytes)
{
if ( fileReadOnly )
panic("MemoryManager", "find", "Searching by contents not available when read-only mode is selected");
uint cs = _generateChecksum(data, bytes);
vector<MemoryRegion*> matches = _findByChecksum(cs);
if ( matches.empty() )
return 0;
vector<MemoryRegion*>::const_iterator it = matches.begin();
for ( ; it != matches.end(); it++ )
{
MemoryRegion* mr = *it;
//if ( mr->data )
if ( !mr->data.empty() )
{
// Memory contents are in cache (available)
if ( mr->compare(data,bytes) )
{
_updateCacheMemory(mr);
return mr;
}
}
else
{
// Contents not available (not in cache)
_loadDataMemory(mr);
if ( mr->compare(data,bytes) )
{
_updateCacheMemory(mr);
return mr;
}
_unloadDataMemory(mr);
}
}
return 0;
}
