--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/natfw/natfwsocketmediaconnwrapper/inc/natfwmediawrapper.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,112 @@
+/*
+* Copyright (c) 2006-2008 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:    Interface for connecting media-engines into nat framework.
+*
+*/
+
+
+
+
+#ifndef M_MEDIA_WRAPPER_H
+#define M_MEDIA_WRAPPER_H
+
+#include <e32base.h>
+#include "natfwconnectivityapidefs.h"
+
+#include "natfwmediawrapperobserver.h"
+
+class TInetAddr;
+class RSocketServ;
+
+/**
+ *  Media Wrapper Interface
+ *
+ *  Interface for connecting different media-engines into nat framework.
+ *
+ *  @lib socketmediaconnwrapper.dll
+ *  @since S60 v3.2
+ */
+class MNATFWMediaWrapper
+    {
+
+public:
+    
+    /**
+     * Enables wrapper to forward packets from mediaengine to connection
+     * multiplexer.
+     * 
+     * @since S60 v3.2
+     * @param   aState          The sending state
+     * @return void
+     */     
+    virtual void SetReceivingStateForMuxWrapper(
+        TNATFWStreamingState aState ) = 0;             
+        
+    /**
+     * Send data to connected media engine.
+     *
+     * @since S60 v3.2
+     * @param aStreamPortion a reference to buffer to be sent
+     * @return void
+     */
+    virtual void SendL( const TDesC8& aStreamPortion ) = 0; 
+    
+    /**
+     * Returns The stream ID which wrapper is associated with
+     *
+     * @since S60 v3.2
+     * @return ID which wrapper is associated with
+     */
+    virtual TUint StreamId() = 0;
+    
+    /**
+     * Register media observer.
+     *
+     * @since S60 v3.2
+     * @param aObserver  media observer 
+     * @param aServer    socket server handle
+     * @param aLocalAddr wrapper's local address
+     * @return void   
+     */
+    virtual void RegisterMediaWrapperObserverL(
+        MNATFWMediaWrapperObserver* aObserver,
+        const RSocketServ& aServer,
+        const TInetAddr& aLocalAddr ) = 0;
+
+    /**
+     * Closes wrapper instance by deleting it.
+     *
+     * Implementing class MUST call its destructor on this method and free
+     * allocated heap. Usually this is done by "delete this".
+     *
+     * @since S60 v3.2
+     * @return void
+     */    
+    virtual void Close() = 0;
+
+    /**
+     * Gets wrapper's local and remote addresses
+     *
+     * @since S60 v3.2
+     * @param aLocalAddr    wrapper's local address 
+     * @param aRemoteAddr   wrapper's remote address
+     * @return void   
+     */
+    virtual void GetAddresses(
+        TInetAddr& aLocalAddr,
+        TInetAddr& aRemoteAddr ) = 0;
+    };
+
+
+#endif // M_MEDIA_WRAPPER_H