1159 lines
34 KiB
C++
1159 lines
34 KiB
C++
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 2000.
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//
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// File: scanmgr.cxx
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//
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// Contents: Scan manager
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//
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// History: 14-Jul-97 SitaramR Created from dlnotify.cxx
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//
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// Notes : For lock hierarchy and order of acquiring locks, please see
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// cicat.cxx
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//
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// DISKFULL HANDLING
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//
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// The disk full situation is either detected in RESMAN and information sent
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// up to CICAT or a DISKFULL error is first detected in CICAT and then
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// propagated to RESMAN. As part of diskfull processing in the scope table,
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// existing scans are aborted in scanmanager and future scans are disabled
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// until the diskfull gets cleared up. If DISKFULL is detected at startup
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// time, the scope table enters a "incremental scan required" state and doesn't
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// schedule any scans/notifications until the situation improves.
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//
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// If the changelog loses a notification, a DisableUpdates notification is sent
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// to the DocStore. The scan is deferred until an EnableUpdates notification
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// is sent to DocStore.
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//
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//----------------------------------------------------------------------------
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#include <pch.cxx>
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#pragma hdrstop
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#include <ciregkey.hxx>
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#include <cistore.hxx>
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#include <rcstxact.hxx>
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#include <imprsnat.hxx>
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#include <eventlog.hxx>
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#include <docstore.hxx>
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#include "cicat.hxx"
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#include "update.hxx"
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#include "notifmgr.hxx"
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#include "scanmgr.hxx"
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#include "scopetbl.hxx"
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//+---------------------------------------------------------------------------
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//
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// Member: CCiScanMgr::CCiScanMgr
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//
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// Synopsis: ~ctor of the scan manager for downlevel CI. It starts a
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// background thread for doing the scans.
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//
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// Arguments: [cicat] -
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//
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// History: 1-19-96 srikants Created
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// 3-03-98 kitmanh Initialized member _fIsReadOnly with
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// cicat.IsReadOnly
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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CCiScanMgr::CCiScanMgr( CiCat & cicat ) :
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_cicat(cicat),
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_fAbort(FALSE),
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_fSerializeChanges(FALSE),
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_state(eStart),
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#pragma warning( disable : 4355 ) // this used in base initialization
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_thrScan( ScanThread, this, TRUE ), // create suspended
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#pragma warning( default : 4355 )
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_fBatch(FALSE), // disable batch processing
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_fAbortScan(FALSE),
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_fScanDisabled(FALSE),
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_fIsReadOnly(cicat.IsReadOnly()),
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_dwLastShareSynch( 0 )
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{
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_evtScan.Reset();
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_thrScan.SetPriority( THREAD_PRIORITY_BELOW_NORMAL );
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}
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CCiScanMgr::~CCiScanMgr()
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{
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InitiateShutdown();
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WaitForShutdown();
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// delete any in-progress scan info
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CLock lock( _mutex );
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while ( !_scansInProgress.IsEmpty() )
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{
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delete _scansInProgress.RemoveLast();
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}
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CCiScanMgr::StartRecovery
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//
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// Synopsis: Sets the state to indicate that recovery must be done
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// and wakes up the scan thread.
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//
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// History: 3-06-96 srikants Created
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//
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//----------------------------------------------------------------------------
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void CCiScanMgr::StartRecovery()
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{
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CLock lock(_mutex);
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Win4Assert( eStart == _state );
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_state = eDoRecovery;
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_evtScan.Set();
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CCiScanMgr::StartScansAndNotifies
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//
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// Synopsis: Initiates scans and notifications in the document store.
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//
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// History: 12-09-96 srikants Created
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//
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//----------------------------------------------------------------------------
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void CCiScanMgr::StartScansAndNotifies()
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{
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CLock lock(_mutex);
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Win4Assert( eRecovered == _state );
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_state = eStartScans;
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_evtScan.Set();
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CCiScanMgr::_LokIsScanScheduled
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//
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// Synopsis: Tests if the given scope is already scheduled for a scan.
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//
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// Arguments: [xScanInfo] - Smart pointer to scaninfo
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//
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// History: 2-26-96 srikants Created
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//
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//----------------------------------------------------------------------------
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BOOL CCiScanMgr::_LokIsScanScheduled( const XPtr<CCiScanInfo> & xScanInfo )
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{
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WCHAR const * pwszNewScope = xScanInfo->GetPath();
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unsigned lenNewScope = wcslen( pwszNewScope );
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for ( CFwdScanInfoIter scanInfoIter(_scansToDo);
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!_scansToDo.AtEnd(scanInfoIter);
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_scansToDo.Advance(scanInfoIter) )
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{
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if ( xScanInfo->LokGetWorkType() == scanInfoIter->LokGetWorkType() )
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{
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WCHAR const * pwszPath = scanInfoIter->GetPath();
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CScopeMatch scope( pwszPath, wcslen(pwszPath) );
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if (scope.IsInScope( pwszNewScope, lenNewScope ))
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{
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ciDebugOut(( DEB_ITRACE,"Scan already scheduled for (%ws)\n",
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pwszNewScope ));
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return TRUE;
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}
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}
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}
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return FALSE;
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CCiScanMgr::ScanScope
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//
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// Synopsis: Adds the given scope to the list of scopes to scan.
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//
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// Arguments: [xScanInfo] - Will be acquired from the safe pointer if
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// successfully taken over.
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// [fDelayed] - Set to TRUE if the scan must not be done
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// immediately.
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// [fRefiled] - Set to TRUE if this is a refile or retry scan
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//
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// History: 1-23-96 srikants Created
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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void CCiScanMgr::ScanScope(
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XPtr<CCiScanInfo> & xScanInfo,
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BOOL fDelayed,
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BOOL fRefiled )
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{
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CLock lock( _mutex );
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if ( xScanInfo->GetRetries() <= CCiScanInfo::MAX_RETRIES &&
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!_LokIsScanScheduled( xScanInfo ) )
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{
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Win4Assert( !xScanInfo->LokIsInFinalState() );
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Win4Assert( xScanInfo->LokIsInScan()
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|| xScanInfo->LokIsDelScope()
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|| xScanInfo->LokIsRenameDir() );
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if ( fRefiled )
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{
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//
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// A scan that has been refiled should be done before new scans
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// to ensure that all scans are done in FIFO order.
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//
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_scansToDo.Push( xScanInfo.GetPointer() );
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}
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else
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_scansToDo.Queue( xScanInfo.GetPointer() );
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xScanInfo.Acquire();
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if ( !fDelayed )
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_evtScan.Set();
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}
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else
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{
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xScanInfo.Free();
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}
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CCiScanMgr::DirAddNotification
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//
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// Synopsis: Schedules the scan of a new directory
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//
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// Arguments: [pwcsDirName] - Directory added
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//
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// History: 20-Mar-96 SitaramR Added header
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//
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//----------------------------------------------------------------------------
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void CCiScanMgr::DirAddNotification( WCHAR const *pwcsDirName )
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{
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//
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// Force a full scan of the direcotry, because the directory is new and so
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// it cannot have been scanned before
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//
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XPtr<CCiScanInfo> xScanInfo( _QueryScanInfo( pwcsDirName,
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_cicat.GetPartition(),
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UPD_FULL,
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FALSE ) );
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xScanInfo->SetScan();
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xScanInfo->SetProcessRoot();
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//---------------------------------------------------------
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{
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CLock lock( _mutex );
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_scansToDo.Queue( xScanInfo.GetPointer() );
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xScanInfo.Acquire();
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_evtScan.Set(); // Wake up the scan thread
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}
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//---------------------------------------------------------
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CCiScanMgr::DirRenameNotification
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//
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// Synopsis: Schedules the scan of a rename directory notification
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//
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// Arguments: [pwcsDirOldName] - Previous name of irectory
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// [pwcsDirNewName] - New name of directory
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//
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// History: 20-Mar-96 SitaramR Added header
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//
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//----------------------------------------------------------------------------
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void CCiScanMgr::DirRenameNotification( WCHAR const *pwcsDirOldName,
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WCHAR const *pwcsDirNewName )
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{
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BOOL fRenameScheduled = FALSE;
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CLock lock( _mutex );
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for ( CFwdScanInfoIter scanInfoIter( _scansToDo );
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!_scansToDo.AtEnd( scanInfoIter );
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_scansToDo.Advance( scanInfoIter ) )
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{
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//
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// if dirA is renamed to dirB, and then dirB is renamed to dirC, then it is
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// the same as dirA being renamed to dirC.
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//
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// Note: if dirA is renamed to dirB, and then dirB is renamed to dirA, we don't
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// cancel the two renames because it may not yield the same original state. For
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// example, after the first rename if a file, say file1, below dirB is deleted, and
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// then dirB is renamed to dirA, then since the strings table is not aware of the
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// file dirB\file1, no action will be taken, ie the file won't be deleted. By
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// scheduling the two renames one after another the wid corresponding to dirB\file1
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// will be correctly deleted.
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//
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if ( scanInfoIter->LokIsRenameDir()
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&& AreIdenticalPaths( scanInfoIter->GetPath(), pwcsDirOldName )
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&& !AreIdenticalPaths( scanInfoIter->GetDirOldName(), pwcsDirNewName ) ) // See note above
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{
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//
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// By overwriting dirC over dirB (see example above), we have combined the two rename
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// operations into one rename operation
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//
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scanInfoIter->LokSetPath( pwcsDirNewName );
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fRenameScheduled = TRUE;
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break;
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}
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}
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if ( !fRenameScheduled )
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{
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XPtr<CCiScanInfo> xScanInfo( _QueryScanInfo( pwcsDirNewName,
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_cicat.GetPartition(),
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UPD_INCREM,
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FALSE ) );
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xScanInfo->SetRenameDir();
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xScanInfo->SetDirOldName( pwcsDirOldName );
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ScanScope( xScanInfo, TRUE, FALSE );
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//
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// If this rename operation is interrupted in the middle (because of a
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// subsequent delete or rename) then files/wids under the old directory may
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// still be lying around in the property store. To ensure that all such
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// files/wids are removed, schedule a remove operation for the old directory
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// name.
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//
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_LokScheduleRemove( pwcsDirOldName );
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}
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CCiScanMgr::_QueryScanInfo
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//
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// Synopsis: Returns a new instance of CCiScanInfo
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//
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// Arguments: [pwcsScope] -- Scope
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// [partId] -- Partition id
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// [updFlag] -- Incremental or full update
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// [fDoDeletions] -- Shoud deletions be done ?
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// [fNewScope] -- TRUE if a new scope
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//
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// History: 20-Mar-96 SitaramR Added header
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//
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//----------------------------------------------------------------------------
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CCiScanInfo *
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CCiScanMgr::_QueryScanInfo( WCHAR const * pwcsScope,
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PARTITIONID partId,
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ULONG updFlag,
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BOOL fDoDeletions,
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BOOL fNewScope )
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{
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Win4Assert( 0 != pwcsScope );
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ULONG len = wcslen( pwcsScope );
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Win4Assert( pwcsScope[len-1] == L'\\' );
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XArray<WCHAR> xPath( len+1 );
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RtlCopyMemory( xPath.Get(), pwcsScope, xPath.SizeOf() );
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return new CCiScanInfo( xPath,
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partId,
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updFlag,
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fDoDeletions,
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CI_VOLID_USN_NOT_ENABLED,
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0,
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FALSE,
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fNewScope );
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CCiScanMgr::ScanScope
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//
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// Synopsis: Adds the given scope with given characteristics to the list
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// of paths to be scanned.
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//
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// Arguments: [pwcsScope] - path name of scope to be added
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// [partId] - partition ID
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// [updFlag] -
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// [fDoDeletions] -
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// [fDelayed] -
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// [fNewScope] - TRUE if a new scope
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//
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// History: 1-19-96 srikants Created
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//
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//----------------------------------------------------------------------------
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void CCiScanMgr::ScanScope( WCHAR const * pwcsScope,
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PARTITIONID partId,
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ULONG updFlag,
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BOOL fDoDeletions,
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BOOL fDelayed,
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BOOL fNewScope )
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{
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Win4Assert( wcslen(pwcsScope) < MAX_PATH );
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XPtr<CCiScanInfo> xScanInfo( _QueryScanInfo( pwcsScope,
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partId,
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updFlag,
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fDoDeletions,
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fNewScope ) );
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xScanInfo->SetScan();
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xScanInfo->SetProcessRoot();
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ScanScope( xScanInfo, fDelayed, FALSE );
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CCiScanMgr::ScheduleSerializeChanges
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//
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// Synopsis: Schedules a serialize-changes task
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//
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// History: 20-Aug-97 SitaramR Created
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//
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//----------------------------------------------------------------------------
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void CCiScanMgr::ScheduleSerializeChanges()
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{
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CLock lock(_mutex);
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_fSerializeChanges = TRUE;
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_evtScan.Set();
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CCiScanMgr::InitiateShutdown
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//
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// Synopsis: Initiates the shutdown process.
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//
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// History: 2-28-96 srikants Created
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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void CCiScanMgr::InitiateShutdown()
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{
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CLock lock(_mutex);
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_fAbort = TRUE;
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_fAbortScan = TRUE;
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//
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// collect all the paths from the to-do stack.
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//
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while ( _scansToDo.Count() > 0 )
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{
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//
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// delete any pending scans.
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//
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delete _scansToDo.Pop();
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}
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_evtScan.Set();
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CCiScanMgr::WaitForShutdown
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//
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// Synopsis: Waits for the shutdown to complete.
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//
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// History: 2-28-96 srikants Created
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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void CCiScanMgr::WaitForShutdown()
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{
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//
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// If we never started running, then just bail out.
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//
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if ( _thrScan.IsRunning() )
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{
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ciDebugOut(( DEB_ITRACE, "Waiting for death of scan thread\n" ));
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_thrScan.WaitForDeath();
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}
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}
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|
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//+---------------------------------------------------------------------------
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//
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// Member: CCiScanMgr::SetBatch
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//
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// Synopsis: Sets the flag that batch processing of scans is in progress.
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// Until the flag is turned off, the scan thread will not look
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// at the scopes for scanning.
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//
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// History: 1-23-96 srikants Created
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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void CCiScanMgr::SetBatch()
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{
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CLock lock(_mutex);
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_fBatch = TRUE;
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}
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|
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//+---------------------------------------------------------------------------
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//
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// Member: CCiScanMgr::ClearBatch
|
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//
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// Synopsis: Clears the batch processing flag and wakes up the scan
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// thread. All the accumulated scopes for scanning will be
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// retrieved by the scan thread and processed.
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//
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// History: 1-23-96 srikants Created
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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void CCiScanMgr::ClearBatch()
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{
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CLock lock(_mutex);
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_fBatch = FALSE;
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_evtScan.Set();
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}
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|
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//+---------------------------------------------------------------------------
|
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//
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// Member: CCiScanMgr::WakeUp
|
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//
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// Synopsis: Wakes up the scan thread.
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//
|
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// History: 1-23-96 srikants Created
|
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//
|
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// Notes:
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//
|
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//----------------------------------------------------------------------------
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|
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void CCiScanMgr::WakeUp()
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{
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CLock lock(_mutex);
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_evtScan.Set();
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}
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|
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//+---------------------------------------------------------------------------
|
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//
|
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// Member: CCiScanMgr::ScanThread
|
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//
|
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// Synopsis:
|
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//
|
|
// Arguments: [self] -
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//
|
|
// History: 1-19-96 srikants Created
|
|
// 3-03-98 kitmanh Don't _DoScans if catalog is read-only
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
DWORD CCiScanMgr::ScanThread( void * self )
|
|
{
|
|
SCODE sc = CoInitializeEx( 0, COINIT_MULTITHREADED );
|
|
((CCiScanMgr *) self)->_DoScans();
|
|
CoUninitialize();
|
|
|
|
ciDebugOut(( DEB_ITRACE, "Terminating scan thread\n" ));
|
|
|
|
//
|
|
// This is only necessary if thread is terminated from DLL_PROCESS_DETACH.
|
|
//
|
|
//TerminateThread( ((CCiScanMgr *) self)->_thrScan.GetHandle(), 0 );
|
|
|
|
return 0;
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CCiScanMgr::SetScanSuccess, public
|
|
//
|
|
// Synopsis: Called on successful completion of scan.
|
|
//
|
|
// Arguments: [pScanInfo] -- Scope that was scanned.
|
|
//
|
|
// History: 13-Apr-1998 KyleP Moved to .cxx and added cicat callback.
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
void CCiScanMgr::SetScanSuccess( CCiScanInfo * pScanInfo )
|
|
{
|
|
Win4Assert( 0 != pScanInfo );
|
|
|
|
CLock lock(_mutex);
|
|
if ( !_fAbort && !_fAbortScan )
|
|
{
|
|
pScanInfo->LokSetDone();
|
|
_cicat.SetTreeScanComplete( pScanInfo->GetPath() );
|
|
}
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CCiScanMgr::_DoScans
|
|
//
|
|
// Synopsis:
|
|
//
|
|
// History: 1-19-96 srikants Created
|
|
// 3-25-98 kitmanh Just set the initialized event and return
|
|
// if cat is r/o
|
|
//
|
|
// Notes:
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
void CCiScanMgr::_DoScans()
|
|
{
|
|
if ( IsReadOnly() )
|
|
{
|
|
_cicat.SetEvtInitialized();
|
|
_cicat.SetEvtPh2Init();
|
|
_cicat.SynchWithRegistryScopes();
|
|
return;
|
|
}
|
|
|
|
BOOL fContinue = TRUE;
|
|
|
|
BOOL fScanned = FALSE; // set to TRUE if a scan is performed
|
|
|
|
while ( fContinue )
|
|
{
|
|
BOOL fWait = FALSE; // flag set to TRUE if a wait must be done
|
|
|
|
EState workType = eStart;
|
|
|
|
BOOL fShortWait = FALSE;
|
|
|
|
BOOL fSerializeChanges = FALSE; // No serialize-changes tasks yet
|
|
|
|
NTSTATUS status = STATUS_SUCCESS;
|
|
|
|
//
|
|
// Don't do any work until the system has booted
|
|
//
|
|
|
|
while ( ( GetTickCount() < _cicat.GetRegParams()->GetStartupDelay() ) &&
|
|
( eStart != _state ) &&
|
|
( eDoRecovery != _state ) )
|
|
{
|
|
Sleep( 200 );
|
|
if ( _fAbort )
|
|
break;
|
|
}
|
|
|
|
TRY
|
|
{
|
|
XPtr<CCiScanInfo> xScanInfo;
|
|
|
|
// =========================================
|
|
{
|
|
CLock lock(_mutex);
|
|
|
|
if ( _fAbort )
|
|
break;
|
|
|
|
if ( !_fBatch && _LokIsOkToScan() )
|
|
{
|
|
//
|
|
// refile any incomplete paths that could not be
|
|
// refiled due to low resources.
|
|
//
|
|
if ( _scansInProgress.Count() > 0 )
|
|
{
|
|
_LokEmptyInProgressScans();
|
|
}
|
|
|
|
//
|
|
// collect all the paths from the to-do stack.
|
|
//
|
|
while ( _scansToDo.Count() > 0 )
|
|
{
|
|
// should first save in a safe pointer because the
|
|
// push can fail.
|
|
xScanInfo.Set( _scansToDo.Pop() );
|
|
if ( !_fScanDisabled && !xScanInfo->LokIsInFinalState() )
|
|
{
|
|
_scansInProgress.Queue( xScanInfo.GetPointer() );
|
|
xScanInfo.Acquire();
|
|
}
|
|
else
|
|
{
|
|
// this scope is deleted
|
|
xScanInfo.Free();
|
|
}
|
|
}
|
|
|
|
if ( 0 == _scansInProgress.Count() )
|
|
_evtScan.Reset();
|
|
|
|
if ( 0 == _scansInProgress.Count() && _fSerializeChanges )
|
|
{
|
|
//
|
|
// Make local copy of fSerializeChanges for use outside lock. Also
|
|
// reset _fSerializeChanges since a flush task will be scheduled below.
|
|
//
|
|
fSerializeChanges = TRUE;
|
|
_fSerializeChanges = FALSE;
|
|
}
|
|
|
|
}
|
|
else if ( _LokIsDoRecovery() )
|
|
{
|
|
_evtScan.Reset();
|
|
workType = eDoRecovery;
|
|
}
|
|
else if ( _LokIsStartScans() )
|
|
{
|
|
_evtScan.Reset();
|
|
workType = eStartScans;
|
|
}
|
|
}
|
|
// =========================================
|
|
|
|
//
|
|
// Update fixups. We have to do this at regular
|
|
// intervals because there is no notification API for
|
|
// share changes. Check no more often than every 15
|
|
// minutes; this drags in 13 DLLs.
|
|
//
|
|
|
|
DWORD cmsDifference = GetTickCount() - _dwLastShareSynch;
|
|
|
|
if ( cmsDifference > ( _cicat.GetRegParams()->MaxAutoAliasRefresh() * 1000 * 60 ) )
|
|
{
|
|
//
|
|
// Don't do this in resource-bound situations
|
|
//
|
|
|
|
CI_STATE State;
|
|
State.cbStruct = sizeof( State );
|
|
|
|
SCODE sc = _cicat.CiState( State );
|
|
|
|
if ( SUCCEEDED( sc ) &&
|
|
( 0 == ( State.eState & ( CI_STATE_HIGH_IO |
|
|
CI_STATE_LOW_MEMORY |
|
|
CI_STATE_USER_ACTIVE ) ) ) )
|
|
{
|
|
_cicat.SynchShares();
|
|
|
|
//
|
|
// it is OK to modify this outside the class lock because
|
|
// only one thread performs scans for a catalog at any moment
|
|
// and there is one CCiScanMgr object per catalog.
|
|
//
|
|
_dwLastShareSynch = GetTickCount();
|
|
}
|
|
}
|
|
|
|
if ( eDoRecovery == workType )
|
|
{
|
|
//
|
|
// Do the long running initialization.
|
|
//
|
|
|
|
Win4Assert( !IsReadOnly() );
|
|
|
|
|
|
// Note: recovery is now synchronous, but this must be
|
|
// done asynchronously, since the callback to the docstore
|
|
// must be done by a worker thread.
|
|
//_cicat.DoRecovery();
|
|
|
|
//
|
|
// Set the state of the scan manager as recovered.
|
|
//
|
|
// ======================================
|
|
{
|
|
CLock lock(_mutex);
|
|
_state = eRecovered;
|
|
}
|
|
// ======================================
|
|
|
|
ciDebugOut(( DEB_WARN, "Setting CiCat recovery done...\n" ));
|
|
|
|
_cicat.SetRecoveryCompleted();
|
|
}
|
|
else if ( eStartScans == workType )
|
|
{
|
|
_cicat.StartScansAndNotifies();
|
|
|
|
CLock lock(_mutex);
|
|
_state = eNormal;
|
|
}
|
|
else if ( _scansInProgress.Count() > 0 )
|
|
{
|
|
fScanned = TRUE;
|
|
_Scan();
|
|
Win4Assert( 0 == _scansInProgress.Count() || _fAbort );
|
|
}
|
|
else if ( fSerializeChanges )
|
|
{
|
|
_cicat.SerializeChangesInfo();
|
|
fWait = TRUE;
|
|
}
|
|
else
|
|
{
|
|
fWait = TRUE;
|
|
}
|
|
|
|
//
|
|
// Do scans complete processing if appropriate.
|
|
//
|
|
if ( fWait &&
|
|
eNormal == _state &&
|
|
!_fScanDisabled &&
|
|
!fSerializeChanges )
|
|
{
|
|
_cicat.ProcessScansComplete( fScanned, fShortWait );
|
|
}
|
|
}
|
|
CATCH (CException, e)
|
|
{
|
|
status = e.GetErrorCode();
|
|
|
|
ciDebugOut(( DEB_ERROR,
|
|
"CCiScanMgr::_DoScans. Caught exception 0x%X\n",
|
|
status ));
|
|
|
|
if ( CiCat::IsDiskLowError( status ) ||
|
|
STATUS_INSUFFICIENT_RESOURCES == status ||
|
|
STATUS_NO_MEMORY == status )
|
|
{
|
|
// delay the execution of the thread until resources are
|
|
// available.
|
|
fWait = TRUE;
|
|
}
|
|
else
|
|
{
|
|
_cicat.HandleError( status );
|
|
fContinue = FALSE;
|
|
}
|
|
|
|
// We did not successfully complete recovery, but we need to signal that
|
|
// phase 2 init is complete (albeit unsuccessfully)
|
|
// fix for bug 151799
|
|
if (_cicat.IsCorrupt() && eDoRecovery == workType)
|
|
_cicat.SignalPhase2Completion();
|
|
}
|
|
END_CATCH
|
|
|
|
if ( fWait )
|
|
{
|
|
fScanned = FALSE;
|
|
|
|
//
|
|
// If we are waiting during long initialization, then have a
|
|
// shorter wait time to see if the error condition has cleared
|
|
// up.
|
|
//
|
|
|
|
DWORD dwWaitTime = ( (eStart != workType) || fShortWait) ?
|
|
PREINIT_WAIT : AUTOSCAN_WAIT;
|
|
|
|
dwWaitTime = min( dwWaitTime,
|
|
_cicat.GetRegParams()->GetForcedNetPathScanInterval() * 60 * 1000 );
|
|
|
|
dwWaitTime = min( dwWaitTime,
|
|
_cicat.GetRegParams()->MaxAutoAliasRefresh() * 1000 * 60 );
|
|
|
|
_evtScan.Wait( dwWaitTime );
|
|
}
|
|
}
|
|
} //_DoScans
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CCiScanMgr::_LokEmptyInProgressScans
|
|
//
|
|
// Synopsis: Removes all the scans from the "in-progress stack" and either
|
|
// deletes them or re-schedules them. If the scan is in its
|
|
// "terminal state", the scan is deleted. If there is a retry
|
|
// it will be re-scheduled.
|
|
//
|
|
// History: 1-25-96 srikants Created
|
|
//
|
|
// Notes:
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
void CCiScanMgr::_LokEmptyInProgressScans()
|
|
{
|
|
//
|
|
// refile any scopes that still need to be worked on.
|
|
//
|
|
while ( _scansInProgress.Count() > 0 )
|
|
{
|
|
if ( _fAbort )
|
|
break;
|
|
|
|
XPtr<CCiScanInfo> xScanInfo( _scansInProgress.RemoveLast() );
|
|
|
|
if ( !_fScanDisabled && !xScanInfo->LokIsInFinalState() )
|
|
{
|
|
|
|
#if CIDBG==1
|
|
if ( xScanInfo->LokIsDelScope() )
|
|
{
|
|
ciDebugOut(( DEB_ITRACE, "Requeing scope (%ws) for removal\n",
|
|
xScanInfo->GetPath() ));
|
|
}
|
|
else if ( xScanInfo->LokIsRenameDir() )
|
|
{
|
|
ciDebugOut(( DEB_ITRACE, "Requeing scope (%ws) for rename\n",
|
|
xScanInfo->GetPath() ));
|
|
}
|
|
else
|
|
{
|
|
ciDebugOut(( DEB_ITRACE, "Requeuing scope (%ws) for scan\n",
|
|
xScanInfo->GetPath() ));
|
|
}
|
|
#endif // CIDBG==1
|
|
|
|
ScanScope( xScanInfo,
|
|
xScanInfo->LokIsRetry(), // delay for retry
|
|
TRUE ); // It's a refiled scan
|
|
}
|
|
else
|
|
{
|
|
xScanInfo.Free();
|
|
}
|
|
}
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CCiScanMgr::_Scan
|
|
//
|
|
// Synopsis:
|
|
//
|
|
// Returns:
|
|
//
|
|
// Modifies:
|
|
//
|
|
// History: 1-25-96 srikants Created
|
|
//
|
|
// Notes:
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
void CCiScanMgr::_Scan()
|
|
{
|
|
|
|
// does not THROW
|
|
_cicat.DoUpdate( _scansInProgress, *this, _fAbortScan );
|
|
|
|
// =============================================================
|
|
{
|
|
CLock lock(_mutex);
|
|
_LokEmptyInProgressScans();
|
|
_fAbortScan = FALSE;
|
|
}
|
|
// =============================================================
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CCiScanMgr::_LokScheduleRemove
|
|
//
|
|
// Synopsis: Schedules a path for removal.
|
|
//
|
|
// Arguments: [pwscScope] - Scope to be removed from CiCat.
|
|
//
|
|
// History: 1-26-96 srikants Created
|
|
//
|
|
// Notes:
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
void CCiScanMgr::_LokScheduleRemove( WCHAR const * pwcsScope )
|
|
{
|
|
CCiScanInfo * pScanInfo = _QueryScanInfo( pwcsScope,
|
|
_cicat.GetPartition(),
|
|
UPD_INCREM, TRUE );
|
|
XPtr<CCiScanInfo> xScanInfo( pScanInfo );
|
|
pScanInfo->LokSetDelScope();
|
|
ScanScope( xScanInfo, FALSE, FALSE );
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CCiScanMgr::RemoveScope
|
|
//
|
|
// Synopsis: Removes the scope from any active or in-progress scans and
|
|
// marks it for "deletions". If there is no active or in-progress
|
|
// scan for the scope, a new "deletion scan" will be scheduled.
|
|
//
|
|
// Arguments: [pwcsScope] - The scope to be removed.
|
|
//
|
|
// History: 1-25-96 srikants Created
|
|
//
|
|
// Notes: This method must not only remove the scope from the scheduled
|
|
// scans but also from any currently in-progress scans. It is
|
|
// possible that the scan thread is currently working on the
|
|
// path to be removed. In that case, we set the state of the
|
|
// scope to indicate that it must be aborted.
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
void CCiScanMgr::RemoveScope( WCHAR const * pwcsScope )
|
|
{
|
|
//
|
|
// if the given scope is in the list of paths being currently
|
|
// scanned, we must mark it deleted.
|
|
//
|
|
BOOL fRemoved = FALSE;
|
|
|
|
// ===========================================================
|
|
{
|
|
CLock lock(_mutex);
|
|
if ( _fAbort )
|
|
return;
|
|
|
|
for ( CFwdScanInfoIter scanInfoIter1( _scansToDo );
|
|
!_scansToDo.AtEnd( scanInfoIter1 );
|
|
_scansToDo.Advance( scanInfoIter1 ) )
|
|
{
|
|
WCHAR const * pwcsPath = scanInfoIter1->GetPath();
|
|
|
|
if ( AreIdenticalPaths( pwcsScope, pwcsPath ) )
|
|
{
|
|
fRemoved = TRUE;
|
|
if ( !scanInfoIter1->LokIsDelScope() )
|
|
scanInfoIter1->LokSetDelScope();
|
|
}
|
|
}
|
|
|
|
//
|
|
// Next see in the list of paths being currently scanned.
|
|
//
|
|
for ( CFwdScanInfoIter scanInfoIter2( _scansInProgress );
|
|
!_scansInProgress.AtEnd( scanInfoIter2 );
|
|
_scansInProgress.Advance( scanInfoIter2 ) )
|
|
{
|
|
WCHAR const * pwcsPath = scanInfoIter2->GetPath();
|
|
|
|
if ( AreIdenticalPaths( pwcsScope, pwcsPath ) )
|
|
{
|
|
fRemoved = TRUE;
|
|
|
|
if ( !scanInfoIter2->LokIsDelScope() )
|
|
{
|
|
_fAbortScan = TRUE;
|
|
scanInfoIter2->LokSetDelScope();
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( !fRemoved )
|
|
{
|
|
_LokScheduleRemove( pwcsScope );
|
|
fRemoved = TRUE;
|
|
}
|
|
|
|
_evtScan.Set(); // wake up the scan thread.
|
|
|
|
Win4Assert( fRemoved );
|
|
}
|
|
// ===========================================================
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CCiScanMgr::DisableScan
|
|
//
|
|
// Synopsis: Disables further scans and aborts any in progress.
|
|
//
|
|
// History: 4-16-96 srikants Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
void CCiScanMgr::DisableScan()
|
|
{
|
|
CLock lock(_mutex);
|
|
|
|
_fAbortScan = TRUE;
|
|
_fScanDisabled = TRUE;
|
|
|
|
_evtScan.Set();
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CCiScanMgr::EnableScan
|
|
//
|
|
// Synopsis: Re-enables scanning if scanning is currently disabled.
|
|
//
|
|
// History: 4-16-96 srikants Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
void CCiScanMgr::EnableScan()
|
|
{
|
|
CLock lock(_mutex);
|
|
if ( _fScanDisabled )
|
|
{
|
|
_fScanDisabled = FALSE;
|
|
_evtScan.Set();
|
|
}
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CCiScanMgr::AnyInitialScans
|
|
//
|
|
// Synopsis: Checks if any scans are the result of a new scope
|
|
//
|
|
// Returns: TRUE if any scans are for new scopes
|
|
//
|
|
// History: 3-Aug-98 dlee Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
BOOL CCiScanMgr::AnyInitialScans()
|
|
{
|
|
for ( CFwdScanInfoIter iter1( _scansToDo );
|
|
!_scansToDo.AtEnd( iter1 );
|
|
_scansToDo.Advance( iter1 ) )
|
|
{
|
|
if ( iter1->IsNewScope() )
|
|
return TRUE;
|
|
}
|
|
|
|
for ( CFwdScanInfoIter iter2( _scansInProgress );
|
|
!_scansInProgress.AtEnd( iter2 );
|
|
_scansInProgress.Advance( iter2 ) )
|
|
{
|
|
if ( iter2->IsNewScope() )
|
|
return TRUE;
|
|
}
|
|
|
|
return FALSE;
|
|
} //AnyInitialScans
|
|
|