90 lines
2 KiB
C++
90 lines
2 KiB
C++
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Microsoft Windows
|
||
|
|
// Copyright (C) Microsoft Corporation, 1997-1998.
|
||
|
|
//
|
||
|
|
// File: usnlist.hxx
|
||
|
|
//
|
||
|
|
// Contents: List of usn flush info
|
||
|
|
//
|
||
|
|
// History: 07-May-97 SitaramR Created
|
||
|
|
//
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include <usninfo.hxx>
|
||
|
|
|
||
|
|
//+-------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Class: CUsnFlushInfoList
|
||
|
|
//
|
||
|
|
// Purpose: List of usn flush info
|
||
|
|
//
|
||
|
|
// History: 07-May-97 SitaramR Created
|
||
|
|
//
|
||
|
|
//--------------------------------------------------------------------------
|
||
|
|
|
||
|
|
class CUsnFlushInfoList
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
|
||
|
|
CUsnFlushInfoList() {}
|
||
|
|
|
||
|
|
void SetUsns( ULONG cEntries,
|
||
|
|
USN_FLUSH_INFO const * const * ppUsnEntries )
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Make a copy of usn entries
|
||
|
|
//
|
||
|
|
_aUsnFlushInfo.Clear();
|
||
|
|
for ( unsigned i=0; i<cEntries; i++ )
|
||
|
|
{
|
||
|
|
XPtr<CUsnFlushInfo> xInfo( new CUsnFlushInfo( ppUsnEntries[i]->volumeId,
|
||
|
|
ppUsnEntries[i]->usnHighest ) );
|
||
|
|
_aUsnFlushInfo.Add( xInfo.GetPointer(), i );
|
||
|
|
xInfo.Acquire();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
USN GetUsn( VOLUMEID volId )
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Search for volumeId in the list of usn entries
|
||
|
|
//
|
||
|
|
|
||
|
|
for ( unsigned i=0; i<_aUsnFlushInfo.Count(); i++ )
|
||
|
|
{
|
||
|
|
if ( _aUsnFlushInfo[i]->VolumeId() == volId )
|
||
|
|
return _aUsnFlushInfo[i]->UsnHighest();
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Not found, so return an usn of 0
|
||
|
|
//
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
ULONG Count()
|
||
|
|
{
|
||
|
|
return _aUsnFlushInfo.Count();
|
||
|
|
}
|
||
|
|
|
||
|
|
CUsnFlushInfo *Get( unsigned index )
|
||
|
|
{
|
||
|
|
return _aUsnFlushInfo.Get( index );
|
||
|
|
}
|
||
|
|
|
||
|
|
void Add( CUsnFlushInfo * pInfo, unsigned i )
|
||
|
|
{
|
||
|
|
_aUsnFlushInfo.Add( pInfo, i );
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
|
||
|
|
CCountedDynArray<CUsnFlushInfo> _aUsnFlushInfo;
|
||
|
|
};
|
||
|
|
|
||
|
|
|