--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/Transaction/src/TransactionState.h	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,124 @@
+/*
+* 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          : TransactionState.h
+* Part of       : Transaction
+* Version       : SIP/5.0
+*
+*/
+
+
+
+
+/**
+ @internalComponent
+*/
+
+#ifndef TRANSACTIONSTATE_H
+#define TRANSACTIONSTATE_H
+
+// INCLUDES
+#include <in_sock.h>
+
+#include "SipLogs.h"    //for USE_SIP_LOGS
+#include "Lwtimer.h"
+#include "sipinternalstates.h"
+
+// FORWARD DECLARATIONS
+class CUri8;
+class RStringF;
+class CSIPRequest;
+class CSIPResponse;
+class TSIPTransportParams;
+
+class CTransaction;
+
+// CLASS DECLARATION
+/*
+ * Base class for all states of both client and server transactions.
+ * Since client and server transactions receive mostly the same events,
+ * their states are derived from this common class.
+ */
+class CTransactionState : public CBase
+	{
+public:
+
+	virtual ~CTransactionState();
+
+	virtual void SendRequestL(CTransaction& aTransaction,
+							  CSIPRequest& aReq,
+							  const TInetAddr& aAddress,
+							  RStringF aProtocol,
+							  TBool aForceUDP,
+							  const TSIPTransportParams& aParams,
+							  CUri8* aOutboundProxy) const;
+	virtual void SendResponseL(CTransaction& aTransaction,
+							   CSIPResponse* aResp,
+							   RStringF aProtocol,
+							   const TSIPTransportParams& aParams) const;
+
+	virtual void SendCompleteL(CTransaction& aTransaction) const;
+	virtual void SendFailedL(CTransaction& aTransaction, TInt aError) const;
+
+    virtual void ReceiveL(CTransaction& aTransaction,
+                          CSIPRequest* aRequest) const;	
+	virtual void ReceiveL(CTransaction& aTransaction,
+                          CSIPResponse* aResponse) const;
+
+	virtual void TimerExpiredL(CTransaction& aTransaction,
+							   TTimerId aTimerId,
+							   TAny* aTimerParam) const;
+
+	/**
+	 * Tells whether the transaction can continue without the outgoing SIP
+	 * message in the send buffer.
+	 *	 
+	 * @return value ETrue if the transaction can continue, EFalse otherwise
+	 */
+	virtual TBool CanContinueWithoutOutgoingMsg() const;
+
+    /**
+	 * Obtains transaction's current state.
+	 *	 
+	 * @param aState OUT: Transaction state
+	 */
+    virtual void GetState(CSIPInternalStates::TState& aState) const = 0;
+
+#if defined(USE_SIP_LOGS)
+	virtual const TDesC8& Log() const;
+
+    static const TDesC8& EnteringThisStateIsntLogged();
+#endif
+
+protected:
+	CTransactionState();
+
+    /**
+	 * Process timer expiration.
+	 *
+	 * @pre aTimerParam != NULL
+	 *
+     * @param aTransaction The transaction who owns the expired timer.
+     * @param aTimerId Timer identifier
+     * @param aTimerParam User specified value that was specified when the
+     *  timer was started. Ownership isn't transferred.
+	 */
+	void HandleTimerExpirationL(CTransaction& aTransaction,
+								TTimerId aTimerId,
+								TAny* aTimerParam) const;
+	};
+
+#endif // end of TRANSACTIONSTATE_H
+
+// End of File