--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommsengine/mmcesrv/mmceserver/src/mcenatstateconnected.cpp	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,244 @@
+/*
+* 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 "mcenatstateconnected.h"
+#include "mcenatsipsession.h"
+#include "mceactionset.h"
+#include "mceclientserver.h"
+#include "mcenatevents.h"
+#include "mcenatactions.h"
+#include "mcesrvlogs.h"
+
+// -----------------------------------------------------------------------------
+// CMceNatStateConnected::CMceNatStateConnected
+// -----------------------------------------------------------------------------
+//
+CMceNatStateConnected::CMceNatStateConnected()
+	{
+	}
+
+// -----------------------------------------------------------------------------
+// CMceNatStateConnected::~CMceNatStateConnected
+// -----------------------------------------------------------------------------
+//
+CMceNatStateConnected::~CMceNatStateConnected()
+	{
+	}
+
+// -----------------------------------------------------------------------------
+// CMceNatStateConnected::Accept
+// -----------------------------------------------------------------------------
+//
+
+TBool CMceNatStateConnected::Accept( TMceNatStateTransitionEvent& aEvent )
+    {
+    switch ( aEvent.NatCode() )
+        {
+        case EMceNatUpdated:
+            {
+            return aEvent.Session().DoesMediaManagerNeedToNegotiate( NULL );
+            }
+        case EMceNatHandleSIP:
+            {
+            return ( EMceInvite == aEvent.Code() || 
+                     EMcePrack == aEvent.Code()  ||
+            	  	 ( EMceAck == aEvent.Code() &&
+            	  	   MceSip::HasContent( aEvent.Session().Request() ) ) );
+           	}
+           	
+        case EMceNatUpdateSdp:
+        case EMceNatError:
+        case EMceNatICMPError: 
+            {
+            return ETrue;
+            }
+        default:
+            {
+            return EFalse;
+            }
+        }
+    }    
+
+// -----------------------------------------------------------------------------
+// CMceNatStateConnected::EntryL
+// -----------------------------------------------------------------------------
+//
+void CMceNatStateConnected::EntryL( TMceNatStateTransitionEvent& aEvent )
+	{
+	MCESRV_DEBUG( "*** CMceNatStateConnected::EntryL, Entry" );
+	
+	if ( EMceNatSync == aEvent.NatCode() ||
+	     EMceNatOffer == aEvent.NatCode() )
+	    {
+	    // NOP
+	    }
+    else
+        {
+	    aEvent.NatActions().Continue();
+	    }
+    
+    MCESRV_DEBUG( "*** CMceNatStateConnected::EntryL, Exit" );
+	}
+
+// -----------------------------------------------------------------------------
+// CMceNatStateConnected::ExitL
+// -----------------------------------------------------------------------------
+//
+void CMceNatStateConnected::ExitL( TMceNatStateTransitionEvent& aEvent )
+	{
+	MCESRV_DEBUG( "*** CMceNatStateConnected::ExitL, Entry" );
+	
+	switch ( aEvent.NatCode() )
+	    {
+	    case EMceNatError:
+	    case EMceNatICMPError:
+	        {
+	        ExitErrorL( aEvent );
+	        break;
+	        }
+	    case EMceNatUpdateSdp:
+	        {
+	        ExitUpdateSdpL( aEvent );
+	        break;
+	        }
+
+	  	case EMceNatHandleSIP:
+	        {
+	        if ( EMceInvite == aEvent.Code() )
+	        	{
+		        ExitHandleInviteL( aEvent );
+	        	}
+			else
+				{
+	        	ExitDefaultL( aEvent );
+				}	        	
+	        break;
+	        }
+	    	
+	    default:
+	        {
+	        ExitDefaultL( aEvent );
+	        break;
+	        }
+	    }
+    
+	MCESRV_DEBUG( "*** CMceNatStateConnected::ExitL, Exit" );
+	}
+
+// -----------------------------------------------------------------------------
+// CMceNatStateConnected::ExitErrorL
+// -----------------------------------------------------------------------------
+//
+void CMceNatStateConnected::ExitErrorL( TMceNatStateTransitionEvent& aEvent )
+    {
+    TMceStateIndex sipState = aEvent.Session().CurrentState().Id();
+    
+    if (( aEvent.NatCode() == EMceNatICMPError && 
+    		KMceStateEstablished == sipState ) || 
+    		aEvent.NatCode() == EMceNatError )
+    
+    	{
+    	aEvent.Session().Actions().ClientErrorOccured( aEvent.ParamStatus() );
+    	User::Leave( aEvent.ParamStatus() );		
+    	}
+      
+    }
+
+// -----------------------------------------------------------------------------
+// CMceNatStateConnected::ExitUpdateSdpL
+// -----------------------------------------------------------------------------
+//
+void CMceNatStateConnected::ExitUpdateSdpL( 
+    TMceNatStateTransitionEvent& /*aEvent*/ )
+    {
+    // NAT has resulted in different transport address than initial O/A 
+    // exchange suggested, hence re-INVITE must be sent.
+    
+    //CMceSipSession& session = aEvent.Session();
+    //CSdpDocument* previous = session.Offer();
+    //aEvent.Session().SetOffer( aEvent.Document() );
+    //aEvent.NatActions().SetOffered( KMceNatOfferSdp );
+    //aEvent.NatActions().SdpCleanup( previous, session.Offer() );
+    //aEvent.Session().Actions().SendInviteL();
+    }
+
+// -----------------------------------------------------------------------------
+// CMceNatStateConnected::ExitHandleInviteL
+// -----------------------------------------------------------------------------
+//
+void CMceNatStateConnected::ExitHandleInviteL( 
+    TMceNatStateTransitionEvent& aEvent )
+    {
+    if ( !MceSip::HasContent( aEvent.Session().Request() ) )
+        {
+        // TBD: Restart of ICE
+        }
+    
+    // Not consumed, done by SIP state machine
+    aEvent.NatActions().Continue();        
+    }
+
+// -----------------------------------------------------------------------------
+// CMceNatStateConnected::ExitDefaultL
+// -----------------------------------------------------------------------------
+//
+void CMceNatStateConnected::ExitDefaultL( TMceNatStateTransitionEvent& aEvent )
+    {
+  	
+  	TMceStateIndex sipState = aEvent.Session().CurrentState().Id();
+  
+    if ( KMceStateServerEstablishing == sipState || 
+        KMceStateUpdating == sipState || 
+       	( aEvent.NatCode() == EMceNatUpdated && 
+       	KMceStateAcknowledgementRequired == sipState )) //i.e. DecodeL
+    	{
+    	// MT state loop
+    	//Check if the invite package received includes corresponding SDP;
+    	if ( !MceSip::HasContent( aEvent.Session().Request() ) )
+    		{
+    		//no SDP, so certify to Pull mode Re-INVITE 
+    		aEvent.NatActions().StateChangedL( aEvent, KMceNatStateCreateOffer );
+    		}
+    	else
+    		{
+    		//including SDP, so certify to normal INVITE request
+    		aEvent.NatActions().StateChangedL( aEvent, KMceNatStateCreateAnswer  );
+    		}
+    	}
+    
+    else if ( aEvent.NatCode() == EMceNatUpdated && 
+		 	  ( KMceStateEstablished == sipState ||
+     	  	    KMceStateConfirming == sipState ||
+    	  	    KMceStateClientEstablishing == sipState ) ||
+    	  	 ( aEvent.ParamStatus() == KMceReady ) &&
+    	  	 ( aEvent.Code() == EMceProvisionalResponse ) )
+          
+		//i.e. UpdateL	
+		{
+        // MO state loop
+        aEvent.NatActions().StateChangedL( aEvent, KMceNatStateCreateOffer );
+		}
+
+	else
+		{
+		aEvent.NatActions().Continue();        	
+		}		
+    }
+
+// End of File