diff -r 000000000000 -r 1e05558e2206 usbclasses/usbphoneasmodem/classimplementation/mscfileserver/src/filesystemimage.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbclasses/usbphoneasmodem/classimplementation/mscfileserver/src/filesystemimage.cpp	Thu Dec 17 09:14:30 2009 +0200
@@ -0,0 +1,99 @@
+// Copyright (c) 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:
+// 
+// 
+
+/** 
+ @file
+ CFileSystemImage implementation
+ */
+
+#include "FileSystemImage.h"
+#include "debug.h"
+
+const TInt KImageFileMode = EFileShareReadersOnly | EFileRead;
+
+CFileSystemImage::CFileSystemImage() :
+    iIsOpened( EFalse )
+	{
+	// No implementation required
+	}
+
+CFileSystemImage::~CFileSystemImage()
+	{
+	// iFile will be closed with the session if it's still open
+	iFs.Close();
+	delete iFileName;
+	}
+
+CFileSystemImage* CFileSystemImage::NewL( const TDesC& aFileName )
+	{
+	CFileSystemImage* self = new (ELeave) CFileSystemImage();
+	CleanupStack::PushL( self );
+	self->ConstructL( aFileName );
+	CleanupStack::Pop( self );
+	return self;
+	}
+
+void CFileSystemImage::ConstructL( const TDesC& aFileName )
+	{
+	TRACE_FUNC
+	User::LeaveIfError( iFs.Connect() );
+	iFileName = aFileName.AllocL();
+	TRACE_INFO(( _L( "Image file is '%S'" ), iFileName ))
+	}
+
+TInt CFileSystemImage::Open()
+	{
+	TRACE_FUNC
+	if ( iIsOpened )
+	    {
+	    TRACE_INFO(( _L( "Image already opened" ) ))
+	    return KErrNone;
+	    }
+	TInt err = iFile.Open( iFs, *iFileName, KImageFileMode );
+	if ( err == KErrNone )
+	    {
+	    iIsOpened = ETrue;
+	    }
+	TRACE_INFO(( _L( "Image opened with error %d" ), err ))
+	return err;
+	}
+
+TInt CFileSystemImage::Close()
+	{
+	if ( iIsOpened )
+	    {
+	    iFile.Close();
+	    iIsOpened = EFalse;
+	    }
+	return KErrNone;
+	}
+
+TInt CFileSystemImage::Read( const TInt64& aPos, TInt aLength, TDes8& aBuf )
+	{
+	return iFile.Read( aPos, aBuf, aLength );
+	}
+
+TInt CFileSystemImage::Write( const TInt64& /*aPos*/, TDesC8& /*aBuf*/ )
+	{
+	return KErrAccessDenied;
+	}
+
+TInt64 CFileSystemImage::Size()
+	{
+	TInt size;
+	iFile.Size( size );
+	return size;
+	}