/* PROJECT: Alcyone  Kernel
* LICENSE: BSD Clause 3 
* PURPOSE: Cache Controller:: LOG Handler   
* NT KERNEL: 5.11.9360 
* COPYRIGHT: 2023-2029 Dibymartanda Samanta <>
*/    


#include <ntoskrnl.h>
#define NTDEBUG
#include <debug.h>
#include "ccinternal.hpp"
#include "ccloghandler.hpp"

extern "C"

LARGE_INTEGER
NTAPI
CcGetDirtyPages(IN PVOID LogHandle,
                IN PDIRTY_PAGE_ROUTINE DirtyPageRoutine,
                IN PVOID Context1,
                IN PVOID Context2)
{
    /* IMPLEMENTATION INCOMPLETE*/
}

LARGE_INTEGER
NTAPI
CcGetLsnForFileObject(IN PFILE_OBJECT FileObject,
                      OUT OPTIONAL PLARGE_INTEGER OldestLsn)
{    
     /* IMPLEMENTATION INCOMPLETE*/
}


Void NTAPI CcSetAdditionalCacheAttributes(
  In PFILE_OBJECT FileObject,
  In BOOLEAN      DisableReadAhead,
  In BOOLEAN      DisableWriteBehind
)
{

  PSHARED_CACHE_MAP SharedCacheMap = FileObject->SectionObjectPointer->SharedCacheMap;
  KIRQL oldlock = KeAcquireQueuedSpinLock(LockQueueMasterLock);
  if ( DisableReadAhead )
    SharedCacheMap->Flags |= READAHEAD_FLAG;
  else
    SharedCacheMap->Flags &= ~READAHEAD_FLAG;
  if ( DisableWriteBehind )
    SharedCacheMap->Flags |= DISABLE_WRITE_FLAG;
  else
    SharedCacheMap->Flags &= ~ENABLE_WRITE_FLAG;
  KeReleaseQueuedSpinLock(LockQueueMasterLock, oldlock);

}



VOID
NTAPI
CcSetLogHandleForFile(IN PFILE_OBJECT FileObject,
                      IN PVOID LogHandle,
                      IN PFLUSH_TO_LSN FlushToLsnRoutine)
{
  PSHARED_CACHE_MAP SharedCacheMap = FileObject->SectionObjectPointer->SharedCacheMap
  SharedCacheMap->LogHandle = LogHandle;
  SharedCacheMap->FlushToLsnRoutine = FlushToLsnRoutine;
}