/*

* 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          : InviteClientTaStates.h

* Part of       : Transaction

* Version       : SIP/5.0

*

*/

/**

 @internalComponent

*/

#ifndef INVITECLIENTTASTATES_H

#define INVITECLIENTTASTATES_H

// INCLUDES

#include "SipLogs.h"    //for USE_SIP_LOGS

#include "TransactionState.h"

// CLASS DECLARATION

//Waiting for response from remote endpoint

class CInviteClientTa_Calling : public CTransactionState

	{

public: // Constructors and destructor

	CInviteClientTa_Calling();

	~CInviteClientTa_Calling();

public: // From CTransactionState

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

#if defined(USE_SIP_LOGS)

	const TDesC8& Log() const;

#endif	

	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 CInviteCTa_Calling_Test;

#endif

	};

//Waiting for the final response from remote endpoint

class CInviteClientTa_Proceeding : public CTransactionState

	{

public: // Constructors and destructor

	CInviteClientTa_Proceeding();

	~CInviteClientTa_Proceeding();

public: // From CTransactionState

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

#if defined(USE_SIP_LOGS)

	const TDesC8& Log() const;

#endif	

	//Can happen if transaction entered Proceeding state before receiving a

	//acknowledgement event for a request retransmission.

	void SendCompleteL(CTransaction& aTransaction) const;

	//Can happen if transaction entered Proceeding state before receiving a

	//acknowledgement event for a request retransmission.

	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;

	};

//Waiting timer D to expire. During that time, transaction retransmits ACK when

//it receives a retransmission of a final response.

class CInviteClientTa_Completed : public CTransactionState

	{

public: // Constructors and destructor

	CInviteClientTa_Completed();

	~CInviteClientTa_Completed();	

public: // From CTransactionState

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

#if defined(USE_SIP_LOGS)

	const TDesC8& Log() const;

#endif

	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;

	};

#endif // end of INVITECLIENTTASTATES_H

// End of File