harvester/monitorplugins/fileplugin/src/filemonitorao.cpp
changeset 0 c53acadfccc6
child 8 6752808b2036
child 20 6dfc5f825351
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/harvester/monitorplugins/fileplugin/src/filemonitorao.cpp	Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,273 @@
+/*
+* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Monitors file creations, modifications and deletions.*
+*/
+
+
+#include <mdeobject.h>
+
+#include "harvestercommon.h"
+#include "filemonitorao.h"
+#include "harvesterlog.h"
+#include "fsutil.h"
+#include "mdeharvestersession.h"
+#include "processoriginmapper.h"
+#include "fileeventhandlerao.h"
+#include "harvesterpluginfactory.h"
+
+using namespace MdeConstants;
+
+_LIT( KMdsFSPluginFile, "mdsfileserverplugin" );
+_LIT( KMdsFSPluginName, "MdsFileServerPlugin" );
+
+// ---------------------------------------------------------------------------
+// CFileMonitorAO::NewL()
+// ---------------------------------------------------------------------------
+//
+CFileMonitorAO* CFileMonitorAO::NewL()
+    {
+    WRITELOG( "CFileMonitorAO::NewL" );
+
+    CFileMonitorAO* self = new (ELeave) CFileMonitorAO;
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// CFileMonitorAO::ConstructL()
+// ---------------------------------------------------------------------------
+//
+void CFileMonitorAO::ConstructL()
+    {
+    WRITELOG( "CFileMonitorAO::ConstructL" );
+    
+    CActiveScheduler::Add( this );
+    iFsConnectOk = EFalse;
+    }
+
+// ---------------------------------------------------------------------------
+// CFileMonitorAO::~CFileMonitorAO()
+// ---------------------------------------------------------------------------
+//
+CFileMonitorAO::~CFileMonitorAO()
+    {
+    WRITELOG( "CFileMonitorAO::~CFileMonitorAO" );
+    
+    Cancel();
+    
+    StopMonitoring();
+    
+    iIgnoreList.ResetAndDestroy();
+    iIgnoreList.Close();
+
+    
+    delete iMdeSession;
+    }
+
+// ---------------------------------------------------------------------------
+// CFileMonitorAO::StartMonitoring()
+// ---------------------------------------------------------------------------
+//
+TBool CFileMonitorAO::StartMonitoring( MMonitorPluginObserver& aObserver,
+	CMdESession* aMdeSession, const TDesC& aPath, CHarvesterPluginFactory* aHarvesterPluginFactory )
+    {
+    WRITELOG( "CFileMonitorAO::StartMonitoring" );
+    
+    iObserver = &aObserver;
+    iHarvesterPluginFactory = aHarvesterPluginFactory;
+    TRAPD( err, iMdeSession = CMdEHarvesterSession::NewL( *aMdeSession ) );
+    if ( err != KErrNone )
+    	{
+    	return EFalse;
+    	}
+    
+    TRAP( err, iFileEventHandler = CFileEventHandlerAO::NewL( aObserver, iMdeSession, aHarvesterPluginFactory ));
+    if ( err != KErrNone )
+    	{
+    	return EFalse;
+    	}
+    
+    TInt error = iFs.Connect();
+    if ( error != KErrNone )
+    	{
+    	iFs.Close();
+    	return EFalse;
+    	}
+	iFsConnectOk = ETrue;
+
+    // add mds fileserver plugin
+    error = iFs.AddPlugin( KMdsFSPluginFile );
+    if ( error != KErrAlreadyExists )
+        {
+        error = iFs.MountPlugin( KMdsFSPluginName );
+        if ( error != KErrNone )
+            {
+            return EFalse;
+            }
+        }
+    
+    error = iEngine.Open( iFs, KMdsFSPluginPosition );
+    if ( error != KErrNone )
+        {
+        return EFalse;
+        }
+
+    iEngine.Enable();
+    iEngine.AddNotificationPath( aPath );
+    
+    StartNotify();
+    return ETrue;
+    }
+
+// ---------------------------------------------------------------------------
+// CFileMonitorAO::StartNotify()
+// ---------------------------------------------------------------------------
+//
+void CFileMonitorAO::StartNotify()
+    {
+    WRITELOG( "CFileMonitorAO::StartNotify" );
+    
+    ResetMdsFSPStatus();
+        
+    iEngine.RegisterNotification( iStatusPckg, iStatus );
+    
+    SetActive();
+    }
+
+// ---------------------------------------------------------------------------
+// CFileMonitorAO::StopMonitoring()
+// ---------------------------------------------------------------------------
+//
+TBool CFileMonitorAO::StopMonitoring()
+    {
+    WRITELOG( "CFileMonitorAO::StopMonitoring" );
+
+    if ( iFsConnectOk == EFalse )
+    	{
+    	return ETrue;
+    	}
+    
+    Cancel();
+    
+    // remove mds fileserver plugin
+    iEngine.Disable();
+    iEngine.Close();
+    
+	iFs.DismountPlugin( KMdsFSPluginName );
+	iFs.RemovePlugin( KMdsFSPluginName );
+    
+    iFs.Close();
+    iFsConnectOk = EFalse;
+    
+    return ETrue;
+    }
+
+// ---------------------------------------------------------------------------
+// CFileMonitorAO::RunL()
+// From CActive
+// ---------------------------------------------------------------------------
+//
+void CFileMonitorAO::RunL()
+    {
+    WRITELOG( "CFileMonitorAO::RunL" );
+    
+    User::LeaveIfError( iStatus.Int() );
+    TMdsFSPStatus& status = iStatusPckg();
+
+    iFileEventHandler->AddToQueueL(status);
+
+    StartNotify();
+    }
+
+// ---------------------------------------------------------------------------
+// CFileMonitorAO::ResetMdsFSPStatus()
+// ---------------------------------------------------------------------------
+//
+void CFileMonitorAO::ResetMdsFSPStatus()
+    {
+    WRITELOG( "CFileMonitorAO::ResetMdsFSPStatus" );
+    
+    TMdsFSPStatus& status = iStatusPckg();
+    
+    status.iDriveNumber = 0;
+    status.iFileEventType = EMdsFileUnknown;
+    status.iFileName.Zero();
+    status.iNewFileName.Zero();
+    status.iProcessId = TUid::Null();
+    }
+    
+// ---------------------------------------------------------------------------
+// CFileMonitorAO::RunError()
+// From CActive
+// ---------------------------------------------------------------------------
+//
+TInt CFileMonitorAO::RunError( TInt aError )
+    {
+    WRITELOG1( "CFileMonitorAO::RunError %d", aError );
+
+    if ( aError == KErrInUse )
+        {
+        iEngine.NotificationCancel();
+        }
+    else
+        {
+        StartNotify();
+        }
+
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+// CFileMonitorAO::DoCancel()
+// From CActive
+// ---------------------------------------------------------------------------
+//
+void CFileMonitorAO::DoCancel()
+    {
+    WRITELOG( "CFileMonitorAO::DoCancel" );
+    iEngine.Disable();
+    iEngine.NotificationCancel();
+    }
+
+// ---------------------------------------------------------------------------
+// CFileMonitorAO::CFileMonitorAO()
+// Constructor
+// ---------------------------------------------------------------------------
+//
+CFileMonitorAO::CFileMonitorAO() : CActive( KHarvesterPriorityMonitorPlugin )
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// CFileMonitorAO::Mapper()
+// Returns a handle to CProcessOriginMapper.
+// ---------------------------------------------------------------------------
+//
+CProcessOriginMapper& CFileMonitorAO::Mapper()
+    {
+    return iFileEventHandler->Mapper();
+    }
+
+// ---------------------------------------------------------------------------
+// CFileMonitorAO::Mapper()
+// Set event caching status
+// ---------------------------------------------------------------------------
+//
+void CFileMonitorAO::SetCachingStatus( TBool aCachingStatus )
+	{
+	iFileEventHandler->SetCachingStatus( aCachingStatus );
+	}
+