--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommsengine/mmcesrv/mmceserver/src/mcenatstatedecodeanswer.cpp	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,150 @@
+/*
+* Copyright (c) 2005 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:  
+*
+*/
+
+
+
+#include "mcenatstatedecodeanswer.h"
+#include "mcenatsipsession.h"
+#include "mceactionset.h"
+#include "mceclientserver.h"
+#include "mcenatevents.h"
+#include "mcesrvlogs.h"
+
+// -----------------------------------------------------------------------------
+// CMceNatStateDecodeAnswer::CMceNatStateDecodeAnswer
+// -----------------------------------------------------------------------------
+//
+CMceNatStateDecodeAnswer::CMceNatStateDecodeAnswer()
+	{
+	}
+
+// -----------------------------------------------------------------------------
+// CMceNatStateDecodeAnswer::~CMceNatStateDecodeAnswer
+// -----------------------------------------------------------------------------
+//
+CMceNatStateDecodeAnswer::~CMceNatStateDecodeAnswer()
+	{
+	}
+
+// -----------------------------------------------------------------------------
+// CMceNatStateDecodeAnswer::Accept 
+// -----------------------------------------------------------------------------
+//
+TBool CMceNatStateDecodeAnswer::Accept( TMceNatStateTransitionEvent& aEvent )
+    {
+    if ( EMceNatAnswer == aEvent.NatCode() ||
+         EMceNatError == aEvent.NatCode() ||
+         ( ( EMceAck == aEvent.Code() ) &&
+             MceSip::HasContent( aEvent.Session().Request() )) ||
+        EMceNatICMPError == aEvent.NatCode() )
+            
+        {
+        return ETrue;
+        }
+    else
+        {
+        return EFalse;
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CMceNatStateDecodeAnswer::EntryL
+// -----------------------------------------------------------------------------
+//
+void CMceNatStateDecodeAnswer::EntryL( TMceNatStateTransitionEvent& aEvent )
+	{
+	MCESRV_DEBUG( "*** CMceNatStateDecodeAnswer::EntryL, Entry" );
+	
+	TMceReturnStatus status = KMceAsync;
+	status = aEvent.NatActions().DecodeAnswerL();
+	
+	if ( KMceReady == status )
+	    {
+	    aEvent.NatActions().StateChangedL( aEvent, KMceNatStateConnected );
+	    }
+    else
+        {
+        aEvent.ParamStatus() = status;
+        }
+    
+	MCESRV_DEBUG( "*** CMceNatStateDecodeAnswer::EntryL, Exit" );
+	}
+
+// -----------------------------------------------------------------------------
+// CMceNatStateDecodeAnswer::ExitL
+// -----------------------------------------------------------------------------
+//
+void CMceNatStateDecodeAnswer::ExitL( TMceNatStateTransitionEvent& aEvent )
+	{
+	MCESRV_DEBUG( "*** CMceNatStateDecodeAnswer::ExitL, Entry" );
+	
+	switch ( aEvent.NatCode() )
+	    {
+	    case EMceNatError:
+	    case EMceNatICMPError:
+	        {
+	        ExitErrorL( aEvent );
+	        break; 
+	        }
+	    default:
+	        {
+	        ExitDefaultL( aEvent );
+	        break;
+	        }
+	    }
+	
+    MCESRV_DEBUG( "*** CMceNatStateDecodeAnswer::ExitL, Exit" );
+	}
+
+// -----------------------------------------------------------------------------
+// CMceNatStateDecodeAnswer::ExitErrorL
+// -----------------------------------------------------------------------------
+//
+void CMceNatStateDecodeAnswer::ExitErrorL( TMceNatStateTransitionEvent& aEvent )
+    {
+    TMceStateIndex sipState = aEvent.Session().CurrentState().Id();
+    
+    if (( aEvent.NatCode() == EMceNatICMPError && 
+    		KMceStateEstablished == sipState ) || 
+    		aEvent.NatCode() == EMceNatError )
+	    
+    	{
+    	aEvent.Session().Actions().ClientErrorOccured( aEvent.ParamStatus() );
+    	aEvent.NatActions().Continue();
+    	User::Leave( aEvent.ParamStatus() );		
+    	}
+    }
+
+// -----------------------------------------------------------------------------
+// CMceNatStateDecodeAnswer::ExitDefaultL
+// -----------------------------------------------------------------------------
+//
+void CMceNatStateDecodeAnswer::ExitDefaultL( TMceNatStateTransitionEvent& aEvent )
+    {
+   	User::LeaveIfNull( aEvent.Document() );
+    CMceSipSession& session = aEvent.Session();
+
+	CSdpDocument* previous = session.Offer();
+	aEvent.Session().SetOffer( aEvent.Document() );
+	aEvent.NatActions().SetOffered( KMceNatOfferSdp );
+	aEvent.NatActions().SdpCleanup( previous, session.Offer() );
+	aEvent.NatActions().StateChangedL( aEvent, KMceNatStateConnected );
+    }
+
+
+// End of File
+