Source code of Windows XP (NT5)
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//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1998.
//
// File: scopetbl.hxx
//
// Contents: Persistent scope table
//
// Classes: CCiScopeTable
//
// History: 14-Jul-97 SitaramR Created from dlnotify.hxx
//
//----------------------------------------------------------------------------
#pragma once
#include <refcount.hxx>
#include <regevent.hxx>
#include <fatnot.hxx>
#include <rcstrmhd.hxx>
#include <cimbmgr.hxx>
#include "scaninfo.hxx"
#include "acinotfy.hxx"
#include "usnlist.hxx"
#include "usnmgr.hxx"
class CiCat;
class CCiNotifyMgr;
class CClientDocStore;
extern WCHAR GetDriveLetterOfAnyScope( WCHAR const * pwcCatalog );
//+---------------------------------------------------------------------------
//
// Class: CCiScopeUsrHdr
//
// Purpose: Format of the user header area in the scope table.
//
// History: 1-26-96 srikants Created
// 3-06-98 kitmanh Added IsReadOnly method()
//
// Notes:
//
//----------------------------------------------------------------------------
class CCiScopeUsrHdr
{
enum { CURRENT_VERSION = 1 };
public:
CCiScopeUsrHdr * GetPointer()
{
return this;
}
// ULONG GetVersion() const { return _nVersion; }
// void SetVersion( ULONG nVersion ) { _nVersion = nVersion; }
// BOOL IsCurrentVersion() const { return CURRENT_VERSION == _nVersion; }
// void SetCurrentVersion() { _nVersion = CURRENT_VERSION; }
BOOL IsInitialized() const { return 0 != _nVersion; }
void Initialize()
{
RtlZeroMemory( this, sizeof(CCiScopeUsrHdr) );
_nVersion = CURRENT_VERSION;
}
BOOL IsCiDataCorrupt() const { return _corruptInfo & eCiDataCorrupt; }
BOOL IsFsCiDataCorrupt() const { return _corruptInfo & eFsCiDataCorrupt; }
void SetCiDataCorrupt() { _corruptInfo |= eCiDataCorrupt; }
void SetFsCiDataCorrupt() { _corruptInfo |= eFsCiDataCorrupt; }
void ClearCiDataCorrupt() { _corruptInfo &= ~eCiDataCorrupt; }
void ClearFsCiDataCorrupt() { _corruptInfo &= ~eFsCiDataCorrupt; }
void SetFullScanNeeded() { _fFullScan = TRUE; }
void ClearFullScanNeeded() { _fFullScan = FALSE; }
BOOL IsFullScanNeeded() const { return _fFullScan; }
private:
enum ECorruptInfo
{
eNoCorruption = 0x0,
eCiDataCorrupt = 0x1,
eFsCiDataCorrupt = 0x2
};
ULONG _nVersion; // Version number - unused
FILETIME _ftLastScan; // Time of the last successful scan
ULONG _corruptInfo; // Set to TRUE if there is corruption
BOOL _fFullScan; // Set to TRUE if full scan is needed
};
//+---------------------------------------------------------------------------
//
// Class: CCiScopeTable
//
// Purpose: Manages the persistent table of scopes that are of indexed
// in a specific downlevel CI.
//
// History: 1-22-96 srikants Created
// 2-20-98 kitmanh Move ClearCiDataCorrupt to scopetbl.cxx
//
// Notes:
//
//----------------------------------------------------------------------------
const LONGLONG eSigCiScopeTable = 0x5158515851585158i64;
const LONGLONG eFtCorrection = 2 * 60 * 1000 * 10000; // 2 minutes in 100
// nanosecond intervals
class CCiScopeTable
{
enum EContentScanState { eNoScan,
eIncrScanNeeded,
eFullScanNeeded,
eDoingFullScan,
eDoingIncrScan };
public:
CCiScopeTable( CiCat & cicat,
CCiNotifyMgr & notifyMgr,
CCiScanMgr & scanMgr,
CUsnMgr & usnMgr )
: _cicat(cicat),
_notifyMgr(notifyMgr),
_scanMgr(scanMgr),
_usnMgr(usnMgr),
_pTable(0),
_state( eNoScan ),
_fInitialized(FALSE)
{
}
~CCiScopeTable();
void FastInit();
void Empty();
BOOL IsInit() const { return 0 != _pTable; }
BOOL Enumerate( WCHAR *pwcScope, unsigned cwc, unsigned & iBmk );
void AddScope( VOLUMEID volumeid,
WCHAR const * pwcsScope,
WCHAR const * pwcsCatScope = 0 );
void StartUp( CClientDocStore & docStore, PARTITIONID partId );
void ScanAllScopes( PARTITIONID partId );
void RemoveSubScopes( WCHAR const * pwcsScope, WCHAR const * pwcsCatScope = 0 );
void RemoveScope( WCHAR const * pwcsScope, WCHAR const * pwcsCatScope = 0 );
static void RefreshShadow( WCHAR const * pwcsPScope, WCHAR const * pwcsCatScope );
void ProcessChangesFlush();
void UpdateScanTime( WCHAR const * pwcsScope, FILETIME const & ft );
void MarkCiDataCorrupt();
void ClearCiDataCorrupt();
void MarkFsCiDataCorrupt()
{
_hdr.SetFsCiDataCorrupt();
_UpdateHeader();
}
void ClearFsCiDataCorrupt()
{
_hdr.ClearFsCiDataCorrupt();
_UpdateHeader();
}
BOOL IsCiDataCorrupt() const { return _hdr.IsCiDataCorrupt(); }
BOOL IsFsCiDataCorrupt() const { return _hdr.IsFsCiDataCorrupt(); }
BOOL IsDoingFullScan() const { return eDoingFullScan == _state; }
BOOL IsFullScanNeeded() const { return eFullScanNeeded == _state; }
BOOL IsIncrScanNeeded() const { return eIncrScanNeeded == _state; }
void RecordFullScanNeeded();
void RecordIncrScanNeeded( BOOL fStartup );
void ScheduleScansIfNeeded(CClientDocStore & docStore);
void RecordScansComplete();
void ProcessDiskFull( CClientDocStore & docStore, PARTITIONID partId );
void ClearDiskFull( CClientDocStore & docStore );
#if CIDBG==1
void Dump();
#endif
private:
CiCat & _cicat;
CCiNotifyMgr & _notifyMgr;
CCiScanMgr & _scanMgr;
CUsnMgr & _usnMgr;
CMutexSem _mutex;
PRcovStorageObj * _pTable;
EContentScanState _state;
BOOL _fInitialized;
union
{
CRcovUserHdr _usrHdr;
CCiScopeUsrHdr _hdr;
};
void _Serialize( CScopeInfoStack const & stk );
void _Serialize();
void _DeSerialize( CScopeInfoStack & stk );
void _UpdateHeader();
void _FatalCorruption();
void _LokScheduleScans( PARTITIONID partId, BOOL &fSerializeNotifyList );
};