Leaked source code of windows server 2003
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//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1991 - 1998.
//
// File: CHANGES.HXX
//
// Contents: Table of changes
//
// Classes: CChange
//
// History: 29-Mar-91 BartoszM Created
//
//----------------------------------------------------------------------------
#pragma once
#include <doclist.hxx>
#include "dqueue.hxx"
class CChangeTrans;
class CTransaction;
class CFresh;
class CNotificationTransaction;
//+---------------------------------------------------------------------------
//
// Class: CChange (ch)
//
// Purpose: Record changes to volatile indexes
//
// History: 29-Mar-91 BartoszM Created.
// 08-Feb-94 DwightKr Added persistent methods/code
//
//----------------------------------------------------------------------------
class CChange
{
public:
CChange ( WORKID wid, PStorage& storage, CCiFrameworkParams & frmwrkParams );
void LokEmpty();
NTSTATUS LokDismount( CChangeTrans & xact )
{
NTSTATUS status1 = _queue.LokDismount( xact );
NTSTATUS status2 = _secQueue.LokDismount( xact );
return (STATUS_SUCCESS != status1) ? status1 : status2;
}
//
// Log updates - this is transacted
//
SCODE LokUpdateDocument( CChangeTrans & xact,
WORKID wid,
USN usn,
VOLUMEID volumeId,
ULONG flags,
ULONG cRetries,
ULONG cSecQRetries )
{
return _queue.Append ( xact, wid, usn, volumeId, flags, cRetries, cSecQRetries );
}
void LokFlushUpdates()
{
_queue.LokFlushUpdates();
_secQueue.LokFlushUpdates();
}
void LokAddToSecQueue( CChangeTrans & xact,
WORKID wid,
VOLUMEID volumeId,
ULONG cSecQRetries );
void LokRefileSecQueue( CChangeTrans & xact );
void LokRefileDocs( const CDocList & docList )
{
_queue.LokRefileDocs( docList );
}
void LokAppendRefiledDocs( CChangeTrans & xact )
{
_queue.LokAppendRefiledDocs( xact );
}
// don't remove updates from list
BOOL LokGetPendingUpdates( WORKID * aWid, unsigned & cWid );
// remove updates from list - this is transacted
void LokQueryPendingUpdates ( CChangeTrans & xact,
unsigned max,
CDocList& docList );
// log creation of new wordlist
void LokDone ( CChangeTrans & xact,
INDEXID iid,
CDocList& docList );
// log removal of wordlists
void LokRemoveIndexes ( CTransaction& xact,
unsigned cIndex,
INDEXID aIndexIds[] );
unsigned LokCount() const
{
return _queue.Count();
}
unsigned LokCountSec() const
{
return _secQueue.Count();
}
void LokCompact();
void LokDeleteWIDsInPersistentIndexes( CChangeTrans & xact,
CFreshTest & freshTestLatest,
CFreshTest & freshTestAtMerge,
CDocList & docList,
CNotificationTransaction & notifTrans )
{
_queue.LokDeleteWIDsInPersistentIndexes( xact,
freshTestLatest,
freshTestAtMerge,
docList,
notifTrans );
_secQueue.LokDeleteWIDsInPersistentIndexes( xact,
freshTestLatest,
freshTestAtMerge,
docList,
notifTrans );
}
void LokDisableUpdates()
{
_queue.LokDisableUpdates();
_secQueue.LokDisableUpdates();
}
void LokEnableUpdates( BOOL fFirstTimeUpdatesAreEnabled )
{
_queue.LokEnableUpdates( fFirstTimeUpdatesAreEnabled );
_secQueue.LokEnableUpdates( fFirstTimeUpdatesAreEnabled );
}
void SetResMan( CResManager * pResMan, BOOL fPushFiltering )
{
_queue.SetResMan( pResMan, fPushFiltering );
_secQueue.SetResMan( pResMan, fPushFiltering );
}
private:
CCiFrameworkParams & _frmwrkParams;
CDocQueue _queue;
CDocQueue _secQueue; // Secondary queue for documents that
// should be retried later.
LONGLONG _ftLast; // Last Time Stamp
};