/*

* 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          : NormalClientTaStates.h

* Part of       : Transaction

* Version       : SIP/5.0

*

*/

/**

 @internalComponent

*/

#ifndef NORMALCLIENTTASTATES_H

#define NORMALCLIENTTASTATES_H

// INCLUDES

#include "TransactionState.h"

// CLASS DECLARATION

//Waiting for a response from the remote endpoint

class CNormalClientTa_Trying: public CTransactionState

	{

public: // Constructors and destructor

	CNormalClientTa_Trying();

	~CNormalClientTa_Trying();

public: // From CTransactionState

    void GetState(CSIPInternalStates::TState& aState) const;	

	void SendRequestL(CTransaction& aTransaction,

					  CSIPRequest& aReq,

					  const TInetAddr& aAddress,					  

					  RStringF aProtocol,

					  TBool aForceUDP,

					  const TSIPTransportParams& aParams,

					  CUri8* aOutboundProxy) const;

	void SendCompleteL(CTransaction& aTransaction) const;

	void SendFailedL(CTransaction& aTransaction, TInt aError) const;

	void ReceiveL(CTransaction& aTransaction, CSIPResponse* aResponse) const;

	void TimerExpiredL(CTransaction& aTransaction,

					   TTimerId aTimerId,

					   TAny* aTimerParam) const;

public: // New functions

	void SetNeighbourStates(CTransactionState& aProceeding,

							CTransactionState& aCompleted);

private: // Data

	//Next possible states, not owned

	CTransactionState* iProceeding;

	CTransactionState* iCompleted;

#ifdef CPPUNIT_TEST

	friend class CNormalCTa_Trying_Test;

#endif

	};

//Waiting for a final response from the remote endpoint

class CNormalClientTa_Proceeding : public CTransactionState

	{

public: // Constructors and destructor

	CNormalClientTa_Proceeding();

	~CNormalClientTa_Proceeding();

public: // From CTransactionState	

    void GetState(CSIPInternalStates::TState& aState) const;	

	void SendCompleteL(CTransaction& aTransaction) const;

	void SendFailedL(CTransaction& aTransaction, TInt aError) const;

	void ReceiveL(CTransaction& aTransaction, CSIPResponse* aResponse) const;

	void TimerExpiredL(CTransaction& aTransaction,

					   TTimerId aTimerId,

					   TAny* aTimerParam) const;

public: // New functions

	void SetNeighbourStates(CTransactionState& aCompleted);

private: // Data

	//Next possible state, not owned

	CTransactionState* iCompleted;

#ifdef CPPUNIT_TEST

	friend class CNormalCTa_Proceeding_Test;

#endif

	};

//Waiting the timer K to expire. During that time, Transaction absorbs any

//possible retransmitted SIP responses from the remote.

class CNormalClientTa_Completed : public CTransactionState

	{

public: // Constructors and destructor

	CNormalClientTa_Completed();

	~CNormalClientTa_Completed();

public: // From CTransactionState

    void GetState(CSIPInternalStates::TState& aState) const;

	TBool CanContinueWithoutOutgoingMsg() const;

	//Can happen if transaction entered Completed state before it receiving

	//acknowledgement event to a send.

	void SendCompleteL(CTransaction& aTransaction) const;

	//Can happen if transaction entered Completed state before it receiving

	//acknowledgement event to a send.

	void SendFailedL(CTransaction& aTransaction, TInt aError) const;

	void ReceiveL(CTransaction& aTransaction, CSIPResponse* aResponse) const;

	void TimerExpiredL(CTransaction& aTransaction,

					   TTimerId aTimerId,

					   TAny* aTimerParam) const;

	};

#endif // end of NORMALCLIENTTASTATES_H

// End of File