--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/Transaction/inc/MReceiverObserver.h	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,96 @@
+/*
+* Copyright (c) 2005-2009 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:
+* Name          : MReceiverObserver.h
+* Part of       : Transaction
+* Version       : SIP/4.0
+*
+*/
+
+
+
+
+/**
+ @internalComponent
+*/
+
+
+#ifndef MRECEIVEROBSERVER_H
+#define MRECEIVEROBSERVER_H
+
+class CSIPRequest;
+class CSIPResponse;
+class TSIPTransportParams;
+
+class MReceiverObserver
+	{
+public:
+	virtual ~MReceiverObserver() {}
+
+
+    /**
+	 * Passes a SIP request received from network to a transaction for
+	 * processing. If the function leaves, the ownership of the request is NOT
+     * transferred.
+	 *
+	 * @pre aRequest != NULL
+	 *
+	 * @param aRequest IN: a SIP request, ownership is transferred
+	 */
+	virtual void ReceiveL (CSIPRequest* aRequest) = 0;
+
+
+	/**
+	 * Passes a SIP response received from network to a transaction for
+	 * processing. If the function leaves, the ownership of the response is NOT
+     * transferred.
+	 *
+	 * @pre aResponse != NULL
+	 *
+	 * @param aResponse IN: a SIP response, ownership is transferred     
+	 */
+	virtual void ReceiveL (CSIPResponse* aResponse) = 0;
+
+
+	/**
+	 * Informs the implementation of MReceiverObserver that a leave has
+	 * occurred when the user called MReceiverObserver::ReceiveL. This way
+	 * TransactionUser knows to remove the transaction in question.
+	 *
+	 * @pre   aReason != KErrNone
+	 * @post
+	 *
+	 * @see
+	 *
+	 * @param aReason Leave reason
+	 */
+	virtual void LeaveOccurred (TInt aReason) = 0;
+	
+	
+	/**
+	 * Requests the transport parameters used by the 
+	 *
+	 * @pre
+	 * @post
+	 *
+	 * @see
+	 *
+	 * @return TSIPTransportParams The used transport parameters
+	 */
+	virtual const TSIPTransportParams& TransportParams () const = 0;
+	};
+
+#endif // end of MRECEIVEROBSERVER_H
+
+// End of File