// Copyright (c) 2005-2009 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          : NormalUAC.cpp

// Part of       : TransactionUser

// Version       : SIP/4.0 

//

#include "SipAssert.h"

#include "Transmitter.h"

#include "TransactionMgr.h"

#include "ClientTransaction.h"

#include "NormalUAC.h"

// -----------------------------------------------------------------------------

// CNormalUAC::NewL

// -----------------------------------------------------------------------------

//

CNormalUAC* CNormalUAC::NewL(CUserAgentCreateParams& aParams,							 

                             MSipConnectionMgr& aConnectionMgr,

                             MSipUriResolver& aResolver,							 

							 CSIPSec& aSIPSec,

							 TUint32 aCSeqNumber)

	{

	CNormalUAC* self =

		new (ELeave) CNormalUAC(aParams, aResolver, aSIPSec, aCSeqNumber);

	CleanupStack::PushL(self);	

	self->CUserAgent::ConstructL(aConnectionMgr);

	self->CUserAgentClient::ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

// -----------------------------------------------------------------------------

// CNormalUAC::CNormalUAC

// -----------------------------------------------------------------------------

//

CNormalUAC::CNormalUAC(CUserAgentCreateParams& aParams,

					   MSipUriResolver& aResolver,

				       CSIPSec& aSIPSec,

				       TUint32 aCSeqNumber) :

	CUserAgentClient(aParams, aResolver, aSIPSec, aCSeqNumber)

	{

	}

// -----------------------------------------------------------------------------

// CNormalUAC::CreateTransactionL

// Creates a transaction object used by NormalUAC. The possible previous

// transaction should have been given to CDeleteMgr for deletion before

// UserAgent can create another transaction.

// -----------------------------------------------------------------------------

//

void CNormalUAC::CreateTransactionL()

	{

    __SIP_ASSERT_LEAVE(!iTransaction, KErrAlreadyExists);

	iTransaction =

        iTransactionMgr.CreateTransactionL(CTransactionBase::KClientTransaction,

										   *this,

										   *iTransmitter,

										   iTimerValues);

	}

// -----------------------------------------------------------------------------

// CNormalUAC::ReceiveResponseL

// -----------------------------------------------------------------------------

//

void CNormalUAC::ReceiveResponseL(CSIPResponse* aResp,

						  const CUserAgentState& aResolve,

						  const CUserAgentState& aWaitResponse,								  

						  const CUserAgentState& /*aWaitAckFromApp*/,

						  const CUserAgentState& /*aWaitTransactionToEnd*/)

	{

	__SIP_ASSERT_LEAVE(aResp, KErrArgument);

	if (!ShouldUaTryAgainL(aResp, aResolve, aWaitResponse))

		{

		//Ownership of the response is passed to the upper layer

		PassRespToTransactionOwnerL(aResp);

		}

	}

// -----------------------------------------------------------------------------

// CNormalUAC::PrepareTxForNewRequestL

// -----------------------------------------------------------------------------

//

void CNormalUAC::PrepareTxForNewRequestL(TTransactionId& aNewTransactionId)

	{

    __SIP_ASSERT_LEAVE(iTransmitter, KErrNotFound);

	iTransmitter->Cancel();

    static_cast<CClientTransaction*>(iTransaction)->

        RunIndependently(aNewTransactionId, &iDeleteMgr, ETrue);

	}

// -----------------------------------------------------------------------------

// CNormalUAC::Ptr

// -----------------------------------------------------------------------------

//

CNormalUAC& CNormalUAC::Ptr(CUserAgent& aUserAgent)

	{

	return static_cast<CNormalUAC&>(aUserAgent);

	}