--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/natfw/natfwstunturnclient/inc/cstunindicationtransmitter.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,144 @@
+/*
+* Copyright (c) 2007 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:    Transmit indications to sender
+*
+*/
+
+
+
+
+#ifndef C_STUNINDICATIONTRANSMITTER_H
+#define C_STUNINDICATIONTRANSMITTER_H
+
+
+#include <e32base.h>
+#include <in_sock.h>
+#include "cnatfwunsafmediaconnsender.h"
+#include "mncmsenderobserver.h"
+#include "cnatfwunsaftcprelaypacketsender.h"
+
+
+class CNATFWUNSAFMessage;
+class CNATFWUNSAFBindingRequest;
+class MNcmConnectionMultiplexer;
+
+
+/**
+ *  Class for transmitting indications to multiplexer.
+ *  Multiplexer acts as sender, meaning it will send indications 
+ *  eventually to network .
+ *
+ *  @lib    natfwstunclient.lib
+ *  @since  S60 v3.2
+ */
+
+class CStunIndicationTransmitter : public CBase
+    {
+public:
+
+    /**
+     * Two-phased constructor.
+     * @param aMux          multiplexer
+     * @param aStreamId     stream identifier
+     * @param aConnectionId connection identifier
+     */
+    static CStunIndicationTransmitter* NewL( MNcmConnectionMultiplexer& aMux,
+                                             TUint aStreamId,
+                                             TUint aConnectionId );
+    
+    /**
+     * Destructor.
+     */
+    virtual ~CStunIndicationTransmitter();
+
+    /**
+     * Transmits indication to multiplexer's send queue.
+     *
+     * @since   S60 v3.2
+     * @param   aIndication     indication to send 
+     * @return  void
+     */
+    void TransmitL( CNATFWUNSAFMessage& aIndication );
+   
+    /**
+     * Transmits indication to multiplexer's send queue.
+     *
+     * @since   S60 v3.2
+     * @param   aIndication     indication to send 
+     * @param   aAddress        address to send to (destination)
+     * @param   aSharedSecret   shared secret
+     *                          optional - added if authentication needed
+     * @param   aAddFingerprint fingerprint; added or not
+     *                          optional - by default EFalse
+     * @return  void
+     */
+    void TransmitL( CNATFWUNSAFMessage& aIndication,
+                    const TInetAddr& aAddress,
+                    const TDesC8& aSharedSecret=KNullDesC8(),
+                    TBool aAddFingerprint=EFalse );
+                    
+    /**
+     * Transmits indication to multiplexer's send queue by using TCP relay
+     * packet sender.
+     *
+     * @since   S60 v3.2
+     * @param   aMessage TCP relay message
+     * @return  void
+     */
+    void TransmitL( const CNATFWUNSAFTcpRelayPacket& aMessage );                    
+
+private:
+
+    CStunIndicationTransmitter();
+    
+    CStunIndicationTransmitter( MNcmConnectionMultiplexer& aMux,
+                                TUint aStreamId,
+                                TUint aConnectionId );
+
+    void ConstructL();
+
+
+private: // data
+
+    /**
+     * multiplexer
+     * not own.
+     */
+    MNcmConnectionMultiplexer& iMux;
+
+    /**
+     * stream identifier
+     */
+    TUint iStreamId;
+
+    /**
+     * connection identifier
+     */
+    TUint iConnectionId;
+    
+    /**
+     * media connection sender
+     * own.
+     */
+    CNATFWUNSAFMediaConnSender* iSender;
+    
+    /**
+     * TCP relay packet sender
+     * Own.
+     */
+    CNATFWUNSAFTcpRelayPacketSender* iTcpRelaySender; 
+    };
+
+
+#endif // C_STUNINDICATIONTRANSMITTER_H