--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/Transaction/src/InviteServerTa.cpp	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,338 @@
+// 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          : InviteServerTa.cpp
+// Part of       : Transaction
+// Version       : SIP/5.0
+//
+
+
+
+#include "SipAssert.h"
+#include "siperr.h"
+#include "Lwtimer.h"
+#include "sipmessage.h"
+#include "UserAgentBase.h"
+#include "TimerValues.h"
+
+#include "InviteServerTa.h"
+#include "TransactionTimer.h"
+#include "SIPMessageUtility.h"
+
+
+// -----------------------------------------------------------------------------
+// CInviteServerTransaction::NewL
+// -----------------------------------------------------------------------------
+//
+CInviteServerTransaction*
+CInviteServerTransaction::NewL(CUserAgentBase& aUserAgent,
+							   CTransmitter& aTransmitter,
+						       MTimerManager& aTimers,
+							   CTransactionState& aInitialState,
+							   TTimerValues& aTimerValues)
+	{
+	CInviteServerTransaction* self =
+		new (ELeave) CInviteServerTransaction(aUserAgent,
+										  	  aTransmitter,
+										 	  aTimers,
+											  aInitialState,
+											  aTimerValues);
+	CleanupStack::PushL(self);
+	self->ConstructServerTaL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+// -----------------------------------------------------------------------------
+// CInviteServerTransaction::CInviteServerTransaction
+// -----------------------------------------------------------------------------
+//
+CInviteServerTransaction::CInviteServerTransaction(
+				CUserAgentBase& aUserAgent,
+				CTransmitter& aTransmitter,
+				MTimerManager& aTimers,
+				CTransactionState& aInitialState,
+				TTimerValues& aTimerValues) :
+	CServerTransaction(aUserAgent,
+					   aTransmitter,
+					   aTimers,
+					   aInitialState,
+					   aTimerValues)
+	{
+	}
+
+// -----------------------------------------------------------------------------
+// CInviteServerTransaction::~CInviteServerTransaction
+// -----------------------------------------------------------------------------
+//
+CInviteServerTransaction::~CInviteServerTransaction()
+	{
+    //Scope operator to silence lint warning
+    CInviteServerTransaction::CancelAllTimers();
+	}
+
+// -----------------------------------------------------------------------------
+// CInviteServerTransaction::IsInviteTransaction
+// -----------------------------------------------------------------------------
+//
+TBool CInviteServerTransaction::IsInviteTransaction() const
+	{
+	return ETrue;
+	}
+
+// -----------------------------------------------------------------------------
+// CInviteServerTransaction::ResponseSent
+// -----------------------------------------------------------------------------
+//
+void CInviteServerTransaction::ResponseSent(TUint aRespCode,
+											CTransactionState& aSending2xx,
+											CTransactionState& aCompleted)
+	{
+	__TEST_INVARIANT;
+
+	if (aRespCode >= 200)
+		{
+		if (aRespCode < 300)
+			{
+			ChangeState(aSending2xx);
+			}
+		else
+			{
+			ChangeState(aCompleted);
+			}
+		}
+
+	__TEST_INVARIANT;
+	}
+
+// -----------------------------------------------------------------------------
+// CInviteServerTransaction::EnterConfirmedStateL
+// -----------------------------------------------------------------------------
+//
+void
+CInviteServerTransaction::EnterConfirmedStateL(CTransactionState& aConfirmed)
+	{
+	__TEST_INVARIANT;    
+
+	StopTimerG();
+	StopTimerH();
+	StartTimerIL();
+	ChangeState(aConfirmed);
+
+	__TEST_INVARIANT;
+	}
+
+// -----------------------------------------------------------------------------
+// CInviteServerTransaction::StartTimerGUnlessExistsL
+// -----------------------------------------------------------------------------
+//
+void CInviteServerTransaction::StartTimerGUnlessExistsL()
+	{
+	__TEST_INVARIANT;
+    
+    if (!iTimerG)
+    	{    	
+		iTimerValues.DoubleUptoT2(iTimerGDuration);
+		iTimerG = CTimerRetransmit::NewL(iTimers, this, iTimerGDuration);
+    	}
+
+	__TEST_INVARIANT;
+	}
+
+// -----------------------------------------------------------------------------
+// CInviteServerTransaction::StopTimerG
+// -----------------------------------------------------------------------------
+//
+void CInviteServerTransaction::StopTimerG()
+	{
+	__TEST_INVARIANT;
+
+	delete iTimerG;
+	iTimerG = NULL;
+
+	__TEST_INVARIANT;
+	}
+
+// -----------------------------------------------------------------------------
+// CInviteServerTransaction::StartTimerHL
+// -----------------------------------------------------------------------------
+//
+void CInviteServerTransaction::StartTimerHL()
+	{
+	__TEST_INVARIANT;
+    __SIP_ASSERT_LEAVE(!iTimerH, KErrAlreadyExists);
+	
+	iTimerH = CTimerTerminateTa::NewL(iTimers,
+									  this,
+									  iTimerValues.Duration64xT1(),									  
+									  KErrTimedOut);
+	__TEST_INVARIANT;
+	}
+
+// -----------------------------------------------------------------------------
+// CInviteServerTransaction::StopTimerH
+// -----------------------------------------------------------------------------
+//
+void CInviteServerTransaction::StopTimerH()
+	{
+	__TEST_INVARIANT;
+
+	delete iTimerH;
+	iTimerH = NULL;
+
+	__TEST_INVARIANT;
+	}
+
+// -----------------------------------------------------------------------------
+// CInviteServerTransaction::StartTimerIL
+// Duration is 0s for reliable and T4 for unreliable transports.
+// -----------------------------------------------------------------------------
+//
+void CInviteServerTransaction::StartTimerIL()
+	{
+	__TEST_INVARIANT;
+	__SIP_ASSERT_LEAVE(!iTimerI, KErrAlreadyExists);
+
+	TUint32 duration = 0;
+	if (IsUnreliableTransportUsed())
+		{
+		duration = iTimerValues.T4();
+		}
+
+	iTimerI = CTimerTerminateTa::NewL(iTimers, this, duration);
+
+	__TEST_INVARIANT;
+	}
+
+// -----------------------------------------------------------------------------
+// CInviteServerTransaction::StopTimerI
+// -----------------------------------------------------------------------------
+//
+void CInviteServerTransaction::StopTimerI()
+	{
+	__TEST_INVARIANT;
+
+	delete iTimerI;
+	iTimerI = NULL;
+
+	__TEST_INVARIANT;
+	}
+
+// -----------------------------------------------------------------------------
+// CInviteServerTransaction::DeleteTimer
+// -----------------------------------------------------------------------------
+//
+void CInviteServerTransaction::DeleteTimer(const CTransactionTimer& aTimer)
+	{
+	__TEST_INVARIANT;
+
+	if (&aTimer == iTimerG)
+		{
+		StopTimerG();
+		}
+
+	if (&aTimer == iTimerH)
+		{
+		StopTimerH();		
+		}
+
+	if (&aTimer == iTimerI)
+		{
+		StopTimerI();		
+		}	
+
+	__TEST_INVARIANT;
+	}
+
+// -----------------------------------------------------------------------------
+// CInviteServerTransaction::CancelAllTimers
+// -----------------------------------------------------------------------------
+//
+void CInviteServerTransaction::CancelAllTimers()
+	{
+	__TEST_INVARIANT;
+
+	StopTimerG();
+	StopTimerH();
+	StopTimerI();
+
+	__TEST_INVARIANT;
+	}
+
+// -----------------------------------------------------------------------------
+// CInviteServerTransaction::TerminatedL
+// -----------------------------------------------------------------------------
+//
+void CInviteServerTransaction::TerminatedL(TInt aReason)
+	{
+	__TEST_INVARIANT;
+
+	if (!iTerminated)
+		{
+		//CInviteServerTransaction specific stuff
+		Leave2xxForUAS();
+
+		//Common stuff
+		CServerTransaction::TerminatedL(aReason);
+		}
+
+	__TEST_INVARIANT;
+	}
+
+// -----------------------------------------------------------------------------
+// CInviteServerTransaction::Leave2xxForUAS
+// InviteUAS owns 2xx. If iOutgoingMsg is 2xx, clear it so ~CServerTransaction
+// won't delete it. 2xx may be in iSendQueue, but the queue never owns 2xx to
+// INVITE. 2xx can't be in iSentResponses as only one final response is sent to
+// ServerTransaction and the most recent response is in iOutgoingMsg.
+// -----------------------------------------------------------------------------
+//
+void CInviteServerTransaction::Leave2xxForUAS()
+	{
+	__TEST_INVARIANT;
+
+	if (iOutgoingMsg)
+		{
+        __SIP_ASSERT_RETURN(!iOutgoingMsg->IsRequest(),
+        					KErrSIPMalformedMessage);
+		if (CSIPMessageUtility::Is2xxResponse(*iOutgoingMsg))
+			{
+			iOutgoingMsg = NULL;
+			}
+		}
+
+	__TEST_INVARIANT;
+	}
+
+// -----------------------------------------------------------------------------
+// CInviteServerTransaction::Ptr
+// -----------------------------------------------------------------------------
+//
+CInviteServerTransaction&
+CInviteServerTransaction::Ptr(CTransactionBase& aTransaction)
+	{
+	return static_cast<CInviteServerTransaction&>(aTransaction);
+	}
+
+// -----------------------------------------------------------------------------
+// CInviteServerTransaction::__DbgTestInvariant
+// -----------------------------------------------------------------------------
+//
+
+void CInviteServerTransaction::__DbgTestInvariant() const
+	{
+	if (iTimerGDuration > iTimerValues.T2())
+		{	
+		User::Invariant();
+		}		
+	}