--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/Transaction/src/TransactionTimer.h	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,210 @@
+/*
+* 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          : TransactionTimer.h
+* Part of       : Transaction
+* Version       : SIP/6.0
+*
+*/
+
+
+
+
+/**
+ @internalComponent
+*/
+
+#ifndef TRANSACTIONTIMER_H
+#define TRANSACTIONTIMER_H
+
+// INCLUDES
+#include "TimerBase.h"
+#include <stringpool.h>
+
+// FORWARD DECLARATIONS
+class CSIPResponse;
+class TSIPTransportParams;
+class CTransaction;
+
+// CLASS DECLARATION
+
+class CTransactionTimer : public CTimerBase
+	{
+public: // Destructor
+
+	virtual ~CTransactionTimer() {}
+
+public: // New functions
+
+	/**
+	 * Handle the timer expiration.
+	 *
+	 * @param aTransaction Transaction whose timer expired
+	 * @param aTimerId Timer identifier
+	 */
+	virtual void ExpiredL(CTransaction& aTransaction, TTimerId aTimerId) = 0;
+
+protected: // Constructor
+
+	/**
+	 * Creates a timer and starts it. Since there is no StartL() function in
+	 * the CTransactionTimer, if a timer is stopped, it can't be restarted.
+	 *
+	 * @pre aObserver != NULL
+	 *
+	 * @param aTimerMgr Timer subsystem
+	 * @param aObserver Callback for handling timer expiration. Ownership isn't
+	 *	transferred.
+	 * @param aDuration Timer duration, in milliseconds
+	 */
+	CTransactionTimer(MTimerManager& aTimerMgr,
+					  MExpirationHandler* aObserver,
+					  TUint32 aDuration);
+	};
+
+
+
+/*
+ * When this timer expires, client transaction retransmits the previously sent
+ * SIP request.
+ */
+class CTimerRetransmit : public CTransactionTimer
+	{
+public: // Enumerations
+
+	enum TRetransmitTimerDuration
+		{
+		// Retransmission interval for sending INVITE using UDP to keep a NAT
+		// binding alive. Unit is milliseconds.
+		KNATBindingInterval = 28000
+		};
+
+public: // Constructor
+
+	static CTimerRetransmit* NewL(MTimerManager& aTimerMgr,
+								  MExpirationHandler* aObserver,
+								  TUint32 aDuration);
+
+public: // From CTransactionTimer
+
+	void ExpiredL(CTransaction& aTransaction, TTimerId aTimerId);
+
+private: // Constructor, for internal use
+
+	CTimerRetransmit(MTimerManager& aTimerMgr,
+					 MExpirationHandler* aObserver,
+					 TUint32 aDuration);
+	};
+
+
+
+/*
+ * When this timer expires, transaction will terminate.
+ */
+class CTimerTerminateTa : public CTransactionTimer
+	{
+public: // Enumerations
+
+	enum TTransactionTimerDuration
+		{
+		// How long INVITE client transaction waits in proceeding state.
+		// Unit is milliseconds.
+		KProceedingTimerDuration = 300000
+		};
+
+public: // Constructor
+
+	static CTimerTerminateTa* NewL(MTimerManager& aTimerMgr,
+								   MExpirationHandler* aObserver,
+								   TUint32 aDuration,
+								   TInt aReason = KErrNone);
+
+public: // From CTransactionTimer
+
+	void ExpiredL(CTransaction& aTransaction, TTimerId aTimerId);
+
+private: // Constructor, for internal use
+
+	CTimerTerminateTa(MTimerManager& aTimerMgr,
+					  MExpirationHandler* aObserver,
+					  TUint32 aDuration,
+					  TInt aReason);
+
+private: // Data
+
+	//Reason value which is passed to CTransaction::TerminatedL() when the
+	//timer expires
+	TInt iReason;
+	};
+
+
+
+/*
+ * When this timer expires, server transaction sends a 100 response.
+ */
+class CTimerSend100 : public CTransactionTimer
+	{
+public: // Constructor and destructor
+
+	/**
+	 * Creates the timer and starts it timer.
+	 *
+	 * @pre aObserver != NULL
+	 * @pre aResponse != NULL
+	 *
+	 * @param aTimerMgr Timer subsystem
+	 * @param aObserver Callback handling the timer expiration, ownership is
+	 *		  not transferred.
+	 * @param aDuration Duration until timer expires.
+	 * @param aResponse SIP response, ownership is transferred.
+	 * @param aTransportProtocol Transport protocol to use when sending the
+	 *		  response.
+	 * @param aTransportParams Parameters to use when sending the response.
+	 */
+	static CTimerSend100* NewL(MTimerManager& aTimerMgr,
+							   MExpirationHandler* aObserver,
+							   TUint32 aDuration,
+							   CSIPResponse* aResponse,
+							   RStringF aTransportProtocol,
+							   TSIPTransportParams& aTransportParams);
+
+	~CTimerSend100();
+
+public: // From CTransactionTimer
+
+	void ExpiredL(CTransaction& aTransaction, TTimerId aTimerId);
+
+private: // Constructor, for internal use
+
+	CTimerSend100(MTimerManager& aTimerMgr,
+				  MExpirationHandler* aObserver,
+				  TUint32 aDuration,				  
+			      RStringF aTransportProtocol,
+			      TSIPTransportParams& aTransportParams);
+
+private: // Data
+
+	// Owned
+	CSIPResponse* iResponse;
+	RStringF iTransportProtocol;
+	TSIPTransportParams& iTransportParams;
+
+#ifdef CPPUNIT_TEST
+	friend class CTransactionUser_Test;
+#endif
+	};
+
+#endif // end of TRANSACTIONTIMER_H
+
+// End of File