--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/TransactionUser/src/CancelUAS.h	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,94 @@
+/*
+* 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          : CancelUAS.h
+* Part of       : TransactionUser
+* Version       : SIP/4.0
+*
+*/
+
+
+
+
+/**
+ @internalComponent
+*/
+
+
+#ifndef CANCELUAS_H
+#define CANCELUAS_H
+
+// INCLUDES
+#include "NormalUAS.h"
+
+// FORWARD DECLARATIONS
+class RStringF;
+
+// CLASS DECLARATION
+
+/*
+ * This class represents a CANCEL UserAgent server. It is created for handling
+ * a CANCEL request received from network and it sends a final response back to
+ * remote endpoint without passing the CANCEL to upper layer.
+ */
+class CCancelUAS : public CNormalUAS
+	{
+public:
+	static CCancelUAS* NewL(CUserAgentCreateParams& aParams,
+							MSipConnectionMgr& aConnectionMgr,
+							MSIPRequestRouter& aRouter,
+                            MSipDialogs& aDialogs);
+
+	/**
+	 * CANCEL has been received from network.
+	 *
+	 * @pre aCancel != NULL
+	 * @post
+	 *
+	 * @see
+	 *
+	 * @param aCancel CANCEL request, ownership is transferred
+	 * @param aFinalRespSent State which UAS will enter	 
+	 */
+	void CancelReceivedL(CSIPRequest* aCancel,
+						 const CUserAgentState& aFinalRespSent);
+
+	static CCancelUAS& Ptr(CUserAgent& aUserAgent);
+
+private:
+	CCancelUAS(CUserAgentCreateParams& aParams,
+               MSipDialogs& aDialogs,
+               MSIPRequestRouter& aRouter);
+
+	//uses CreateTransactionL of CNormalUAS
+
+	void ConstructL(MSipConnectionMgr& aConnectionMgr);
+
+	/**
+	 * Sends 200 response.
+	 *	 
+	 * @pre
+	 * @post
+	 *
+	 * @see
+	 *	 
+	 * @param aFinalRespSent State which UAS will enter.
+	 * @param aToTag To tag	 
+	 */
+	void Send200L(const CUserAgentState& aFinalRespSent, RStringF aToTag);
+	};
+
+#endif // end of CANCELUAS_H
+
+// End of File