--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/metadataengine/server/src/mdsdiskspacenotifier.cpp Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,195 @@
+/*
+* 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: This is disk space notifier for Metadata server.*
+*/
+
+// INCLUDE FILES
+#include "mdsdiskspacenotifier.h"
+
+
+CMdSDiskSpaceNotifierAO* CMdSDiskSpaceNotifierAO::NewL(
+ MMdSDiskSpaceNotifierObserver& aObserver, TInt64 aThreshold, const TDesC& aFilename)
+ {
+ CMdSDiskSpaceNotifierAO* self =
+ CMdSDiskSpaceNotifierAO::NewLC( aObserver, aThreshold, aFilename );
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+CMdSDiskSpaceNotifierAO* CMdSDiskSpaceNotifierAO::NewLC(
+ MMdSDiskSpaceNotifierObserver& aObserver, TInt64 aThreshold, const TDesC& aFilename)
+ {
+ TDriveNumber driveNumber = GetDriveNumberL( aFilename );
+
+ CMdSDiskSpaceNotifierAO* self =
+ new ( ELeave ) CMdSDiskSpaceNotifierAO( aObserver, aThreshold, driveNumber );
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ return self;
+ }
+
+CMdSDiskSpaceNotifierAO::~CMdSDiskSpaceNotifierAO()
+ {
+ Cancel();
+
+ iFileServerSession.Close();
+ }
+
+void CMdSDiskSpaceNotifierAO::RunL()
+ {
+ TVolumeInfo volumeInfo;
+
+ if ( iState == CMdSDiskSpaceNotifierAO::ENormal )
+ {
+ TInt status = iStatus.Int();
+
+ switch( status )
+ {
+ case KErrNone:
+ iFileServerSession.Volume( volumeInfo, iDrive );
+
+ // Check if free space is less than threshold level
+ if( volumeInfo.iFree < iThreshold )
+ {
+ iObserver.HandleDiskSpaceNotificationL( MMdSDiskSpaceNotifierObserver::ELess );
+ iDiskFull = ETrue;
+ iState = EIterate;
+ iIterationCount = 0;
+ SetActive();
+ TRequestStatus* status = &iStatus;
+ User::RequestComplete( status, KErrNone );
+ return;
+ }
+ else
+ {
+ iObserver.HandleDiskSpaceNotificationL( MMdSDiskSpaceNotifierObserver::EMore );
+ iDiskFull = EFalse;
+ }
+ StartNotifier();
+ break;
+
+ case KErrArgument:
+ User::Leave( status );
+ break;
+ default:
+ break;
+ }
+ }
+ else if ( iState == CMdSDiskSpaceNotifierAO::EIterate )
+ {
+ const TInt KMaxIterations = 10;
+
+ iFileServerSession.Volume( volumeInfo, iDrive );
+ if ( volumeInfo.iFree < iThreshold )
+ {
+ iObserver.HandleDiskSpaceNotificationL( MMdSDiskSpaceNotifierObserver::ELess );
+ ++iIterationCount;
+ if ( iIterationCount < KMaxIterations )
+ {
+ SetActive();
+ TRequestStatus* status = &iStatus;
+ User::RequestComplete( status, KErrNone );
+ return;
+ }
+ else
+ {
+ iFileServerSession.Volume( volumeInfo, iDrive );
+ if ( volumeInfo.iFree >= iThreshold )
+ {
+ iDiskFull = EFalse;
+ }
+ }
+ }
+ else
+ {
+ iDiskFull = EFalse;
+ }
+ iState = ENormal;
+ iIterationCount = 0;
+ StartNotifier();
+ }
+ else
+ {
+ User::Leave( KErrGeneral );
+ }
+ }
+
+TInt CMdSDiskSpaceNotifierAO::RunError(TInt aError)
+ {
+ iObserver.HandleDiskSpaceError( aError );
+
+ return KErrNone;
+ }
+
+void CMdSDiskSpaceNotifierAO::DoCancel()
+ {
+ if( IsActive() )
+ {
+ iFileServerSession.NotifyDiskSpaceCancel();
+ }
+ }
+
+CMdSDiskSpaceNotifierAO::CMdSDiskSpaceNotifierAO(
+ MMdSDiskSpaceNotifierObserver& aObserver, TInt64 aThreshold, TDriveNumber aDrive)
+ : CActive( CActive::EPriorityStandard ),
+ iObserver( aObserver ), iThreshold( aThreshold ), iDrive( aDrive ), iState( CMdSDiskSpaceNotifierAO::ENormal ), iDiskFull( EFalse )
+ {
+ CActiveScheduler::Add( this );
+ }
+
+void CMdSDiskSpaceNotifierAO::ConstructL()
+ {
+ TInt KMessageSlotCount = 2; // slots for NotifyDiskSpace and NotifyDiskSpaceCancel
+
+ User::LeaveIfError( iFileServerSession.Connect( KMessageSlotCount ) );
+
+ TVolumeInfo volumeInfo;
+ iFileServerSession.Volume( volumeInfo, iDrive );
+ if ( volumeInfo.iFree < iThreshold )
+ {
+ iDiskFull = ETrue;
+ }
+
+ StartNotifier();
+ }
+
+void CMdSDiskSpaceNotifierAO::StartNotifier()
+ {
+ iFileServerSession.NotifyDiskSpace( iThreshold, iDrive, iStatus );
+
+ SetActive();
+ }
+
+TDriveNumber CMdSDiskSpaceNotifierAO::GetDriveNumberL( const TDesC& aFilename )
+ {
+ TLex driveParser( aFilename );
+
+ TChar driveChar = driveParser.Get();
+
+ if( 0 == driveChar || TChar( ':' ) != driveParser.Peek() )
+ {
+ User::Leave( KErrArgument );
+ }
+
+ TInt driveNumber;
+
+ RFs::CharToDrive( driveChar, driveNumber );
+
+ return (TDriveNumber)driveNumber;
+ }
+
+TBool CMdSDiskSpaceNotifierAO::DiskFull() const
+ {
+ return iDiskFull;
+ }