--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/Transaction/inc/InviteServerTa.h	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,168 @@
+/*
+* Copyright (c) 2006-2009 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          : InviteServerTa.h
+* Part of       : Transaction
+* Version       : SIP/5.0
+*
+*/
+
+
+
+
+/**
+ @internalComponent
+*/
+
+#ifndef INVITESERVERTA_H
+#define INVITESERVERTA_H
+
+// INCLUDES
+#include "ServerTransaction.h"
+
+// FORWARD DECLARATIONS
+class CTimerTerminateTa;
+class CTimerRetransmit;
+
+// CLASS DECLARATION
+/*
+ * This class represents an INVITE server transaction. 
+ */
+class CInviteServerTransaction : public CServerTransaction
+	{
+public: // Constructors and destructor
+
+	/**
+	 * Creates a new instance of CInviteServerTransaction
+	 *
+	 * @param aUserAgent UserAgent owning the new transaction being created.
+	 * @param aTransmitter CTransmitter used for sending messages
+	 * @param aTimers LwTimer subsystem
+	 * @param aInitialState Initial state of the CTransaction object
+	 * @param aTimerValues Values for calculating timer durations	 
+	 * @return New CInviteServerTransaction object, ownership is transferred
+	 */
+	static CInviteServerTransaction* NewL(CUserAgentBase& aUserAgent,
+										  CTransmitter& aTransmitter,
+										  MTimerManager& aTimers,
+										  CTransactionState& aInitialState,
+										  TTimerValues& aTimerValues);
+
+	~CInviteServerTransaction();
+
+public: // From CServerTransaction
+
+	/**
+	 * InviteServerTransaction enters terminated state. If the
+	 * InviteServerTransaction has been given a 2xx response to send, it must
+	 * clear any pointers to the 2xx since InviteUAS owns the 2xx.
+	 *
+	 * @param aReason Reason why the InviteServerTransaction ends	 
+	 */
+	void TerminatedL(TInt aReason);
+
+	void DeleteTimer(const CTransactionTimer& aTimer);
+
+	TBool IsInviteTransaction() const;
+
+public: // New functions	
+
+	/**	 
+	 * A SIP response has been sent to network. Depending on the response code,
+	 * transaction enters another state.
+	 *
+	 * @param aRespCode Response code of the received SIP response
+	 * @param aSending2xx State where CTransaction moves, if aRespCode is
+     *  200-299
+	 * @param aCompleted State where CTransaction moves, if aRespCode is >= 300	 
+	 */
+	void ResponseSent(TUint aRespCode,
+					  CTransactionState& aSending2xx,
+					  CTransactionState& aCompleted);
+
+	/**
+	 * Transaction enters Confirmed state. Stop timers G and H and start
+	 * timer I.	 
+	 *
+	 * @param aConfirmed Confirmed state
+	 */
+	void EnterConfirmedStateL(CTransactionState& aConfirmed);
+
+	/**
+	 * When CInviteServerTransaction ends after sending the first 2xx,
+	 * InviteUAS starts retransmitting the 2xx. The pointers to 2xx from
+	 * CInviteServerTransaction are cleared.
+	 */
+	void Leave2xxForUAS();
+
+	/**
+	 * Starts timer G, unless it is already running.
+	 */
+	void StartTimerGUnlessExistsL();
+
+	/**
+	 * Starts timer H.
+	 *
+	 * @pre iTimerH = NULL	 
+	 */
+	void StartTimerHL();
+
+	static CInviteServerTransaction& Ptr(CTransactionBase& aTransaction);
+
+private: // Constructors, for internal use
+
+	CInviteServerTransaction(CUserAgentBase& aUserAgent,
+							 CTransmitter& aTransmitter,
+							 MTimerManager& aTimers,
+							 CTransactionState& aInitialState,
+							 TTimerValues& aTimerValues);
+
+	void ConstructL();
+
+private: // New functions, for internal use
+
+	void FreeResponsesFromQueues() const;
+
+	void StartTimerIL();
+
+	void StopTimerG();
+	void StopTimerH();
+	void StopTimerI();	
+
+	void CancelAllTimers();
+
+private: // Data
+
+	//Duration (ms) for timer G
+	TUint iTimerGDuration;
+
+	//Timer G, owned.
+	CTimerRetransmit* iTimerG;
+	//Timer H, owned.
+	CTimerTerminateTa* iTimerH;
+	//Timer I, owned.
+	CTimerTerminateTa* iTimerI;	
+
+	void __DbgTestInvariant() const;
+
+
+#ifdef CPPUNIT_TEST
+	friend class CTransactionUser_Test;
+	friend class CInviteServerTa_Test;
+#endif
+	};
+
+#endif // end of INVITESERVERTA_H
+
+// End of File