--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/natfw/natfwsocketmediaconnwrapper/inc/natfwsocketreceiver.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,146 @@
+/*
+* 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:    Receive data from User of NAT Connectivity Framework.
+*
+*/
+
+
+
+
+#ifndef C_SOCKET_RECEIVER_H
+#define C_SOCKET_RECEIVER_H
+
+#include <e32base.h>
+#include <es_sock.h> 
+#include <in_sock.h>
+#include "natfwconnectivityapidefs.h"
+#include "natfwsocketreceiverobserver.h"
+
+const TUint KReceiveBuffer = 8192;
+ 
+/**
+ *  Data receiver
+ *
+ *  Receive data from User of NAT Connectivity Framework.
+ *
+ *  @lib socketmediaconnwrapper.dll
+ *  @since S60 v3.2
+ */
+NONSHARABLE_CLASS( CNATFWSocketReceiver ) : public CActive
+    {
+    
+    friend class ut_cnatfwsocketreceiver;
+
+public:
+
+    /**
+     * Two-phased constructor.
+     * @param aRecObs reveive observer
+     * @param aProtocol used protocol
+     */       
+    static CNATFWSocketReceiver* NewL( MNATFWSocketReceiverObserver& aRecObs,
+                                       TUint aProtocol );
+
+    virtual ~CNATFWSocketReceiver();
+    
+    /**
+     * Starts listening data from remote address.
+     * 
+     * @since S60 v3.2
+     * @param aSocket socket handle
+     * @return void
+     */  
+    void StartListening( const RSocket& aSocket );
+
+    /**
+     * Enables wrapper to forward packets from mediaengine to connection
+     * multiplexer.
+     * 
+     * @since S60 v3.2
+     * @param   aState          The sending state
+     * @return void
+     */     
+    void SetReceivingStateForMuxWrapper( TNATFWStreamingState aState );    
+
+    
+private:
+
+    CNATFWSocketReceiver( MNATFWSocketReceiverObserver& aRecObs, 
+                          TUint aProtocol );
+
+// from base class CActive
+    
+    /* From CActive
+     * 
+     *
+     * @since S60 v3.2
+     */
+    void RunL();
+    
+    /* From CActive
+     * 
+     *
+     * @since S60 v3.2
+     */
+    void DoCancel();
+    
+    /* From CActive
+     * 
+     *
+     * @since S60 v3.2
+     */
+    TInt RunError( TInt aError );
+
+private: // data
+    
+    /**
+     * Used protocol udp or tcp
+     */
+    TUint iProtocol;
+
+    /**
+     * Socket
+     */
+    RSocket iSocket;
+        
+    /**
+     * Observer
+     * Not own.
+     */
+    MNATFWSocketReceiverObserver& iObserver;
+    
+    /**
+     * Data buffer
+     */
+    TBuf8<KReceiveBuffer> iBuffer;
+    
+    /**
+     * Remote address
+     */
+    TSockAddr iRemoteAddress;
+     
+    /**
+     * Data length
+     */    
+    TSockXfrLength iSockDataLength;
+
+    /**
+     * Receiving state for wrapper mux datapath
+     */
+    TNATFWStreamingState iWrapperMuxReceiveState; 
+
+    };
+
+
+#endif // C_SOCKET_RECEIVER_H