protected virtual void WritePageToMemory(Page page)
{
StorageReader.Seek(page.Address, SeekOrigin.Begin);
StorageReader.Write(page.Data, 0, Constants.PAGE_SIZE);
if (PageWrite != null)
PageWrite(this, new LRUCacheEventArgs(page));
}
protected virtual Page AllocateNewPage(Address address)
{
Int64 pageAddress;
if (FreePages.Count > 0)
pageAddress = FreePages.Dequeue();
else
pageAddress = NextPageAddress;
AddressTranslationTable.Add(address, pageAddress);
Page newPage = new Page(Address.NewAddress(), pageAddress, new Byte[Constants.PAGE_SIZE]);
PageTranslationTable.Add(pageAddress, newPage);
return newPage;
}
protected virtual Page LoadPageFromMemory(Int64 offset)
{
Byte[] data = new Byte[Constants.PAGE_SIZE];
StorageReader.Seek(offset - offset % Constants.PAGE_SIZE, SeekOrigin.Begin);
StorageReader.Read(data, 0, Constants.PAGE_SIZE);
Page page = new Page(Address.NewAddress(), offset, data);
if (PageFault != null && !DisablePageFault)
PageFault(this, new LRUCacheEventArgs(page));
return page;
}
public LRUCacheEventArgs(Page page)
{
}
