diff -r 000000000000 -r bde4ae8d615e os/mm/devsound/devsoundrefplugin/src/platsec/server/AudioServer/MmfAudioServerSession.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/mm/devsound/devsoundrefplugin/src/platsec/server/AudioServer/MmfAudioServerSession.cpp	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,88 @@
+// Copyright (c) 2004-2009 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:
+//
+
+#include "MmfAudioServerSession.h"
+#include "MmfAudioClientServer.h"
+#include "MmfAudioServer.h"
+#include <s32mem.h>
+#include <e32math.h>
+
+
+/*
+ This call takes ownership of aDevSoundSessionHandle. We need to ensure that it is closed
+ in case of failure, but want to avoid double close situations. We emporarily push the argument
+ onto cleanup stack and pass it into the CMMFAudioServerSession once we know that the assignment
+ can't fail. The latter object itself takes ownership.
+ */
+CMMFAudioServerSession* CMMFAudioServerSession::NewL(RHandleBase& aDevSoundSessionHandle)
+	{
+	CleanupClosePushL(aDevSoundSessionHandle);
+	CMMFAudioServerSession* self = new(ELeave) CMMFAudioServerSession();
+	CleanupStack::Pop(&aDevSoundSessionHandle);
+	self->SetDevSoundSessionHandle(aDevSoundSessionHandle);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+void CMMFAudioServerSession::ConstructL()
+	{
+	}
+
+CMMFAudioServerSession::CMMFAudioServerSession()// : iEventsQue(_FOFF(TMMFAudioPolicyEventHolder,iLink))
+	{
+	}
+
+void CMMFAudioServerSession::CreateL(const CMmfIpcServer& aServer)
+	{
+	CMmfIpcSession::CreateL(aServer);
+	CMMFAudioServer* server = static_cast<CMMFAudioServer*>(CONST_CAST(CMmfIpcServer*, &aServer));
+	server->IncrementSessionId();
+	iAudioServerSessionId = server->AudioServerSessionId();
+	}
+
+CMMFAudioServerSession::~CMMFAudioServerSession()
+	{
+	CMMFAudioServer* server = 
+		const_cast<CMMFAudioServer*>(static_cast<const CMMFAudioServer*>(Server()));
+	if (server)
+		{
+		server->DecrementSessionId();		
+		}
+	iDevSoundSessionHandle.Close();
+	}
+
+void CMMFAudioServerSession::ServiceL(const RMmfIpcMessage& aMessage)
+	{
+	switch(aMessage.Function())
+		{
+	case EMMFDevSoundSessionHandle:
+		aMessage.Complete(iDevSoundSessionHandle);
+		break;
+	default:
+		User::Leave(KErrNotSupported);
+		break;
+		}
+	}
+
+void CMMFAudioServerSession::SendEventToClient(/*TMMFAudioPolicyEvent& aEvent*/)
+	{
+	}
+
+void CMMFAudioServerSession::SetDevSoundSessionHandle(RHandleBase& aDevSoundSessionHandle)
+	{
+	iDevSoundSessionHandle = aDevSoundSessionHandle;
+	}