--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/TransactionUser/src/InviteUAS.h	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,149 @@
+/*
+* Copyright (c) 2007-2009 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          : InviteUAS.h
+* Part of       : TransactionUser
+* Version       : SIP/6.0
+*
+*/
+
+
+
+
+/**
+ @internalComponent
+*/
+
+#ifndef INVITEUAS_H
+#define INVITEUAS_H
+
+// INCLUDES
+#include "UserAgentServer.h"
+
+// FORWARD DECLARATIONS
+class CTimerRetransmit2xx;
+class CTimerStopUA;
+
+
+// CLASS DECLARATION
+
+class CInviteUAS : public CUserAgentServer
+	{
+public: // Constructor and destructor
+
+	static CInviteUAS* NewL(CUserAgentCreateParams& aParams,							
+							MSipConnectionMgr& aConnectionMgr,		
+							MSIPRequestRouter& aRouter,
+                            MSipDialogs& aDialogs);
+
+	~CInviteUAS();
+
+public: // From CUserAgent
+
+	void DeleteTimer(const CUserAgentTimer& aTimer);	
+	
+public: // From CUserAgentServer
+
+	void CreateTransactionL();
+
+public: // New functions
+
+    /**
+	 * Offers the ACK to Dialogs, and if Dialogs wants to receive the ACK,
+	 * obtains the MTransactionOwner.
+	 *
+	 * @param aAck ACK request received from network MTransactionOwner
+     *  callback.
+     * @return ETrue If there is a dialog matching the ACK,
+     *		   EFalse otherwise
+	 */
+    TBool DoesDialogExistForAckL(CSIPRequest& aAck);
+
+	/**
+	 * Sending the first 2xx response. The first 2xx is sent using CTransaction
+	 * and the retransmissions of 2xx are handled by UAS.
+	 *
+	 * @param aResp 2xx response. Ownership is transferred.	 
+	 */
+	void SendFirst2xxL(CSIPResponse* aResp);
+
+	void Retransmit2xxL();
+
+	/**
+	 * Cancels the INVITE server transaction, unless it has already sent a
+	 * final response.
+	 */
+	void CancelInviteL();
+
+    /**
+	 * Determine if the UAS has sent a 2xx response.
+	 *
+	 * @return value ETrue If UAS has sent a 2xx, EFalse otherwise.
+	 */
+    TBool IsSending2xx() const;
+
+	void StartTimerRetransmit2xxL();
+	void StopTimerRetransmit2xx();	
+
+	void HandleCancelInviteL(const CUserAgentState& aRejected);
+
+	TBool InformObserverAboutCancel();
+
+	static CInviteUAS& Ptr(CUserAgent& aUserAgent);
+
+private: // Constructors, for internal use
+
+	CInviteUAS(CUserAgentCreateParams& aParams,			   
+               MSipDialogs& aDialogs,
+               MSIPRequestRouter& aRouter);
+
+	void ConstructL(MSipConnectionMgr& aConnectionMgr);
+
+private: // New functions, for internal use
+
+	void StartTimerWaitAckL();
+
+	void StopTimerWaitAck();
+
+	void CancelAllTimers();
+
+private: // Data
+
+	//Duration (ms) for iTimerRetransmit2xx
+	TUint iTimerRetransmit2xxDuration;
+
+	//Timer used retransmitting 2xx response until ACK is received. Owned.
+	CTimerRetransmit2xx* iTimerRetransmit2xx;
+
+	//This timer is started when entering Accepted state to wait an ACK. Owned.
+	CTimerStopUA* iTimerWaitAck;
+
+	//If ETrue, the INVITE server transaction has been canceled.
+	TBool iCanceled;
+
+private: // For testing purposes
+
+#ifdef CPPUNIT_TEST	
+	friend class CTransactionUser_Test;
+    friend class CInviteUAS_Accepted_Test;
+#endif
+
+	void __DbgTestInvariant() const;
+
+
+	};
+
+#endif // end of INVITEUAS_H
+
+// End of File