--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/upnpmediaserver/mediaserverengine/src/upnpdiskremovedetector.cpp	Thu Dec 17 08:52:00 2009 +0200
@@ -0,0 +1,213 @@
+/** @file
+* Copyright (c) 2005-2008 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:  Detects remove disk event.
+*
+*/
+
+
+// INCLUDE FILES
+#include "upnpdiskremovedetector.h"
+#include "upnpmediaserver.h"
+#include "upnpcontentdirectoryglobals.h"
+#include <f32file.h>
+
+#ifdef _DEBUG
+#define KLogFile _L("UPnPMediaServer.txt")
+#endif
+#include "upnpcustomlog.h"
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CUpnpDiskRemoveDetector::CUpnpDiskRemoveDetector
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CUpnpDiskRemoveDetector::CUpnpDiskRemoveDetector( CUpnpMediaServer* aObserver ) :
+    CActive( CActive::EPriorityStandard ), iObserver( aObserver )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpDiskRemoveDetector::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CUpnpDiskRemoveDetector::ConstructL()
+    {
+    User::LeaveIfError( iFs.Connect() );
+    CActiveScheduler::Add( this );
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpDiskRemoveDetector::NewLC
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CUpnpDiskRemoveDetector* CUpnpDiskRemoveDetector::NewLC(
+    CUpnpMediaServer* aObserver )
+    {
+    CUpnpDiskRemoveDetector* self =
+    	new (ELeave) CUpnpDiskRemoveDetector( aObserver );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpDiskRemoveDetector::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CUpnpDiskRemoveDetector* CUpnpDiskRemoveDetector::NewL(
+    CUpnpMediaServer* aObserver )
+    {
+    CUpnpDiskRemoveDetector* self =
+            CUpnpDiskRemoveDetector::NewLC( aObserver );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpDiskRemoveDetector::~CUpnpDiskRemoveDetector
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CUpnpDiskRemoveDetector::~CUpnpDiskRemoveDetector()
+    {
+    Cancel();
+    iFs.Close();
+    }
+
+// ---------------------------------------------------------------------------
+// CUpnpDiskRemoveDetector::Start
+// Enable object to watch for incoming events.
+// ---------------------------------------------------------------------------
+//
+void CUpnpDiskRemoveDetector::StartL()
+    {
+    if ( !IsActive() )
+        {
+        // we want to check the validity of upload directory on MS startup
+        CheckUploadDirectoryL();
+        SubscribeForDiskEvent();
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CUpnpDiskRemoveDetector::CheckUploadDirectoryL
+// Check if the upload direcotory is valid.
+// ---------------------------------------------------------------------------
+//
+void CUpnpDiskRemoveDetector::CheckUploadDirectoryL()
+    {
+    // Getting current upload directory from cenrep
+    CUpnpMediaServerSettings* settings = CUpnpMediaServerSettings::NewL();
+    CleanupStack::PushL( settings );
+
+    HBufC8* uploadtmp = settings->GetL( UpnpMediaServerSettings::EUploadDirectory );
+    CleanupStack::PushL( uploadtmp );
+
+    HBufC* uploaddir = HBufC::NewLC( uploadtmp->Length() );
+    uploaddir->Des().Copy( *uploadtmp );
+
+    // retrieving drive info
+    TParse path;
+    path.Set( uploaddir->Des(), NULL, NULL );
+    TDriveUnit driveUnit( path.Drive() );
+
+    TVolumeInfo volumeInfo;
+    volumeInfo.iDrive.iType = EMediaNotPresent;
+    TInt err = iFs.Volume( volumeInfo, static_cast<TInt>( driveUnit ) );
+
+    if ( err != KErrNone )
+        {
+        TChar systemDriveLetter;
+        TInt error = RFs::DriveToChar( RFs::GetSystemDrive(), systemDriveLetter );
+
+        RBuf tmpUploadDir;
+        tmpUploadDir.CleanupClosePushL();
+        tmpUploadDir.CreateL( KCharLen
+                            + KCol().Length()
+                            + KDiskPathElSep().Length()
+                            + KDefaultUploadDir().Length() );
+
+        tmpUploadDir.Append( systemDriveLetter );
+        tmpUploadDir.Append( KCol() );
+        tmpUploadDir.Append( KDiskPathElSep() );
+        tmpUploadDir.Append( KDefaultUploadDir() );
+        iObserver->SetUploadDirL( tmpUploadDir );
+        CleanupStack::PopAndDestroy( &tmpUploadDir );
+        }
+    else
+        {
+        LOGS( "CUpnpDiskRemoveDetector - some disk was dismounted, but it's not interesting in that context" );
+        }
+
+    CleanupStack::PopAndDestroy( uploaddir );
+    CleanupStack::PopAndDestroy( uploadtmp );
+    CleanupStack::PopAndDestroy( settings );
+    }
+
+// ---------------------------------------------------------------------------
+// CUpnpDiskRemoveDetector::SubscribeForDiskEvent
+// Subscribe this object for file system disk event
+// ---------------------------------------------------------------------------
+//
+void CUpnpDiskRemoveDetector::SubscribeForDiskEvent()
+    {
+    // wait for FileSystem disk event (like MMC card removal)
+    if ( !IsActive() )
+        {
+        iFs.NotifyChange( ENotifyDisk, iStatus );
+        SetActive();
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CUpnpDiskRemoveDetector::RunL
+// Called after event occurs or on media server startup
+// ---------------------------------------------------------------------------
+//
+void CUpnpDiskRemoveDetector::RunL()
+    {
+    User::LeaveIfError( iStatus.Int() );
+    CheckUploadDirectoryL();
+    SubscribeForDiskEvent();
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpDiskRemoveDetector::RunError
+// RunError is called when RunL leaves.
+// -----------------------------------------------------------------------------
+//
+TInt CUpnpDiskRemoveDetector::RunError( TInt aError )
+    {
+    LOGS1( "CUpnpDiskRemoveDetector::RunError(%d)", aError );
+    SubscribeForDiskEvent();
+    return KErrNone;
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpDiskRemoveDetector::DoCancel
+// Cancel watching for incoming events.
+// -----------------------------------------------------------------------------
+//
+void CUpnpDiskRemoveDetector::DoCancel()
+    {
+    iFs.NotifyChangeCancel();
+    }
+
+// End of File