realtimenetprots/sipfw/SIP/Transaction/src/NormalServerTaStates.cpp
author Petteri Saari <petteri.saari@digia.com>
Thu, 25 Nov 2010 13:59:42 +0200
branchMSRP_FrameWork
changeset 58 cdb720e67852
parent 0 307788aac0a8
permissions -rw-r--r--
This release addresses the following issues: 1. The crash bug fix when receiving file 2. Now the sending is based on MSRP messages, there is no longer file receiving or sending. Client sends data as MSRP was designed. 3. Soma MSRP stack was created so that the client told the correct session-id, Symbian stack generated it by itself. This is not allowed, it was changed so that clients tell the session-id (same as used in SIP INVITE). 4. Unnecessary division of data to chunks removed when there is no need to interrupt sending. The message is sent in as few chunks as possible. 5. Stack can now receive files and chunks with ?unlimited? size. Old stack wrote the incoming data to memory and did not utilize disk space until the end of chunk was reached (large chunks from another client crashed it). 6. Now when writing the incoming data to file, it will take into account the byte-range header values. So, this complies with the RFC4975 requirements that stack must be able to handle chunks that come in any sequence. 7. Some buffering changes to outgoing/incoming data. 8. The outgoing data is now checked that it does not contain the created transaction-id before sending the data. 9. MSRP success reports are now implemented and tested against servers. 10. Progress report system fixed so progress is now visible on client (all the way to 100%). 11. Message Cancel receiving / Cancel sending now corrected and made to work as rfc4975 requires. (termination from sender and error code from receiver when cancelling). 12. Bug correction related to messages received not belonging to any session, old stack implementation did send error response, but after response was written it did give the buffer to client anyway. Now corrected.
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// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// Name          : NormalServerTaStates.cpp
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// Part of       : Transaction
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// Version       : SIP/5.0
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//
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#include "siperr.h"
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#include "SipAssert.h"
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#include "siprequest.h"
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#include "sipresponse.h"
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#include "SIPMessageUtility.h"
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#include "NormalServerTa.h"
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#include "NormalServerTaStates.h"
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#include "ResponseQueueItem.h"
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// -----------------------------------------------------------------------------
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// CNormalServerTa_Trying::CNormalServerTa_Trying
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// -----------------------------------------------------------------------------
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//
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CNormalServerTa_Trying::CNormalServerTa_Trying()
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	{
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	}
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// -----------------------------------------------------------------------------
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// CNormalServerTa_Trying::~CNormalServerTa_Trying
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// -----------------------------------------------------------------------------
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//
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CNormalServerTa_Trying::~CNormalServerTa_Trying()
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	{
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	}
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// -----------------------------------------------------------------------------
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// CNormalServerTa_Trying::GetState
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// -----------------------------------------------------------------------------
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//
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void CNormalServerTa_Trying::GetState(CSIPInternalStates::TState& aState) const
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    {
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    aState = CSIPInternalStates::ETransactionTrying;
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    }
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// -----------------------------------------------------------------------------
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// CNormalServerTa_Trying::SetNeighbourStates
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// -----------------------------------------------------------------------------
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//
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void CNormalServerTa_Trying::SetNeighbourStates(CTransactionState& aProceeding,
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												CTransactionState& aCompleted)
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	{
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	iProceeding = &aProceeding;
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	iCompleted = &aCompleted;
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	}
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// -----------------------------------------------------------------------------
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// CNormalServerTa_Trying::ReceiveL
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// Response can be sent when TimerSend100 has expired or been stopped.
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// -----------------------------------------------------------------------------
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//
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void CNormalServerTa_Trying::ReceiveL(CTransaction& aTransaction,
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	                                  CSIPRequest* aRequest) const
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	{
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    __SIP_ASSERT_LEAVE(aRequest, KErrArgument);
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	CNormalServerTransaction& ta = CNormalServerTransaction::Ptr(aTransaction);
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	if (ta.RequestPassedToUA())
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		{
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		if (!ta.IsTimerSend100Running() && !ta.IsTransmitterSending())
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			{
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			ta.SendToTransmitterL();
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			}
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		delete aRequest;
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		}
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	else
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		{
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		__ASSERT_ALWAYS(ta.UpdateTransportProtocol(*aRequest),
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					    User::Leave(KErrSIPMalformedMessage));		
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		ta.StartTimerF2UnlessExistsL();		
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		if (!ta.IsTimerSend100Running())
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			{	
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			ta.StartTimerSend100L(*aRequest);
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			}
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		ta.PassRequestToUserAgentL(aRequest);
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		}
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	}
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// -----------------------------------------------------------------------------
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// CNormalServerTa_Trying::SendResponseL
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// -----------------------------------------------------------------------------
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//
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void CNormalServerTa_Trying::SendResponseL(CTransaction& aTransaction,
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								   CSIPResponse* aResp,
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								   RStringF aProtocol,
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								   const TSIPTransportParams& aParams) const
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	{
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	__SIP_ASSERT_LEAVE(aResp, KErrArgument);
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    __SIP_ASSERT_LEAVE(CSIPMessageUtility::CheckTransport(aProtocol),
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                       KErrArgument);
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   112
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	TBool isFinalResp = CSIPMessageUtility::IsFinalResponse(*aResp);
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	CNormalServerTransaction& ta = CNormalServerTransaction::Ptr(aTransaction);
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	CResponseQueueItem* respItem =
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		CResponseQueueItem::NewLC(aResp, aParams, EFalse);
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	ta.SendAndStoreResponseL(respItem, aProtocol);
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	CleanupStack::Pop(respItem);
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	ta.StopTimerSend100();
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	if (isFinalResp)
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		{
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		ta.StopTimerF2();
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		aTransaction.ChangeState(*iCompleted);
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		}
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	else
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		{
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		aTransaction.ChangeState(*iProceeding);
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		}
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	}
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// -----------------------------------------------------------------------------
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// CNormalServerTa_Trying::TimerExpiredL
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// -----------------------------------------------------------------------------
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//
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void CNormalServerTa_Trying::TimerExpiredL(CTransaction& aTransaction,
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										   TTimerId aTimerId,
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										   TAny* aTimerParam) const
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	{
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	__SIP_ASSERT_LEAVE(aTimerParam, KErrArgument);
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	HandleTimerExpirationL(aTransaction, aTimerId, aTimerParam);
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	}
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// -----------------------------------------------------------------------------
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// CNormalServerTa_Proceeding::CNormalServerTa_Proceeding
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// -----------------------------------------------------------------------------
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//
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CNormalServerTa_Proceeding::CNormalServerTa_Proceeding()
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	{
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	}
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// -----------------------------------------------------------------------------
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// CNormalServerTa_Proceeding::~CNormalServerTa_Proceeding
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// -----------------------------------------------------------------------------
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//
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CNormalServerTa_Proceeding::~CNormalServerTa_Proceeding()
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	{
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	}
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// -----------------------------------------------------------------------------
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// CNormalServerTa_Proceeding::GetState
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// -----------------------------------------------------------------------------
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//
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void
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CNormalServerTa_Proceeding::GetState(CSIPInternalStates::TState& aState) const
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    {
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    aState = CSIPInternalStates::ETransactionProceeding;
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    }
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// -----------------------------------------------------------------------------
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// CNormalServerTa_Proceeding::SetNeighbourStates
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// -----------------------------------------------------------------------------
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//
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void
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CNormalServerTa_Proceeding::SetNeighbourStates(CTransactionState& aCompleted)
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	{
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	iCompleted = &aCompleted;
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	}
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// -----------------------------------------------------------------------------
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// CNormalServerTa_Proceeding::SendCompleteL
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// -----------------------------------------------------------------------------
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//
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void CNormalServerTa_Proceeding::SendCompleteL(CTransaction& aTransaction) const
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	{
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	CNormalServerTransaction& ta = CNormalServerTransaction::Ptr(aTransaction);
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	CResponseQueueItem* respItem = ta.GetResponseFromSendQueue();
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	if (respItem)
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		{
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		TBool isFinalResp =
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			CSIPMessageUtility::IsFinalResponse(respItem->Response());
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   195
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		CleanupStack::PushL(respItem);
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		ta.SendAndStoreResponseL(respItem);
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		CleanupStack::Pop(respItem);
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   199
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        if (isFinalResp)
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			{
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			ta.StopTimerF2();
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			aTransaction.ChangeState(*iCompleted);
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			}
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		}
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	}
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// -----------------------------------------------------------------------------
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// CNormalServerTa_Proceeding::SendFailedL
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// -----------------------------------------------------------------------------
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//
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void CNormalServerTa_Proceeding::SendFailedL(CTransaction& aTransaction,
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											 TInt aError) const
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	{
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	aTransaction.TerminatedL(aError);
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	}
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// -----------------------------------------------------------------------------
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// CNormalServerTa_Proceeding::ReceiveL
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// -----------------------------------------------------------------------------
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//
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void CNormalServerTa_Proceeding::ReceiveL(CTransaction& aTransaction,
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	                                      CSIPRequest* aRequest) const
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	{
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	CNormalServerTransaction::Ptr(aTransaction).ReceiveRetransmissionL(aRequest);
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	}
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// -----------------------------------------------------------------------------
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// CNormalServerTa_Proceeding::SendResponseL
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// If sending a previous response, queue the new response.
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// -----------------------------------------------------------------------------
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//
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void CNormalServerTa_Proceeding::SendResponseL(CTransaction& aTransaction,
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								   CSIPResponse* aResp,
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								   RStringF aProtocol,
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								   const TSIPTransportParams& aParams) const
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	{
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	__SIP_ASSERT_LEAVE(aResp, KErrArgument);
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    __SIP_ASSERT_LEAVE(CSIPMessageUtility::CheckTransport(aProtocol),
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                       KErrArgument);
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	CNormalServerTransaction& ta = CNormalServerTransaction::Ptr(aTransaction);
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	CResponseQueueItem* respItem =
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		CResponseQueueItem::NewLC(aResp, aParams, EFalse);
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	if (ta.IsTransmitterSending())
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		{
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		ta.AddResponseToSendQueueL(respItem);
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		}
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	else
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		{		
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		TBool isFinalResp =
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			CSIPMessageUtility::IsFinalResponse(respItem->Response());
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		ta.SendAndStoreResponseL(respItem, aProtocol);
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        if (isFinalResp)
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			{
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			ta.StopTimerF2();
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			aTransaction.ChangeState(*iCompleted);
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			}
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		}
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	CleanupStack::Pop(respItem);
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	}
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// -----------------------------------------------------------------------------
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// CNormalServerTa_Proceeding::TimerExpiredL
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// -----------------------------------------------------------------------------
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//
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void CNormalServerTa_Proceeding::TimerExpiredL(CTransaction& aTransaction,
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											   TTimerId aTimerId,
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											   TAny* aTimerParam) const
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	{
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	__SIP_ASSERT_LEAVE(aTimerParam, KErrArgument);
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	HandleTimerExpirationL(aTransaction, aTimerId, aTimerParam);
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	}
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// -----------------------------------------------------------------------------
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// CNormalServerTa_Completed::CNormalServerTa_Completed
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// -----------------------------------------------------------------------------
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//
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CNormalServerTa_Completed::CNormalServerTa_Completed()
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	{
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	}
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// -----------------------------------------------------------------------------
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// CNormalServerTa_Completed::~CNormalServerTa_Completed
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// -----------------------------------------------------------------------------
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//
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CNormalServerTa_Completed::~CNormalServerTa_Completed()
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	{
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	}
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// -----------------------------------------------------------------------------
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// CNormalServerTa_Completed::GetState
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// -----------------------------------------------------------------------------
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//
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void
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CNormalServerTa_Completed::GetState(CSIPInternalStates::TState& aState) const
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    {
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    aState = CSIPInternalStates::ETransactionCompleted;
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    }
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// -----------------------------------------------------------------------------
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// CNormalServerTa_Completed::SendCompleteL
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// -----------------------------------------------------------------------------
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//
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void CNormalServerTa_Completed::SendCompleteL(CTransaction& aTransaction) const
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	{
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	CNormalServerTransaction::Ptr(aTransaction).StartTimerJUnlessExistsL();
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	}
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// -----------------------------------------------------------------------------
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// CNormalServerTa_Completed::SendFailedL
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// -----------------------------------------------------------------------------
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//
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void CNormalServerTa_Completed::SendFailedL(CTransaction& aTransaction,
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											TInt aError) const
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	{
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	aTransaction.TerminatedL(aError);
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	}
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// -----------------------------------------------------------------------------
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// CNormalServerTa_Completed::ReceiveL
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// -----------------------------------------------------------------------------
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//
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void CNormalServerTa_Completed::ReceiveL(CTransaction& aTransaction,
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	                                     CSIPRequest* aRequest) const
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	{
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	CNormalServerTransaction::Ptr(aTransaction).ReceiveRetransmissionL(aRequest);    
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	}
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   332
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// -----------------------------------------------------------------------------
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// CNormalServerTa_Completed::TimerExpiredL
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// -----------------------------------------------------------------------------
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//
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void CNormalServerTa_Completed::TimerExpiredL(CTransaction& aTransaction,
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											  TTimerId aTimerId,
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											  TAny* aTimerParam) const
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	{	
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	__SIP_ASSERT_LEAVE(aTimerParam, KErrArgument);
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	HandleTimerExpirationL(aTransaction, aTimerId, aTimerParam);
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	}