--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/natplugins/natpnatfwsdpprovider/src/nspstateconnected.cpp	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,347 @@
+/*
+* Copyright (c) 2007 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:  Connected state implementation.
+*
+*/
+
+#include <sdpdocument.h>
+#include "nspstateconnected.h"
+#include "nspevents.h"
+#include "nspsession.h"
+#include "nspactionset.h"
+#include "nspsessiondata.h"
+#include "nspdefs.h"
+
+// ======== MEMBER FUNCTIONS ========
+// ---------------------------------------------------------------------------
+// CNSPStateConnected::CNSPStateConnected
+// ---------------------------------------------------------------------------
+//
+CNSPStateConnected::CNSPStateConnected()
+    {
+    }
+
+
+// ---------------------------------------------------------------------------
+// CNSPStateConnected::NewL
+// ---------------------------------------------------------------------------
+//
+CNSPStateConnected* CNSPStateConnected::NewL()
+    {
+    CNSPStateConnected* self = CNSPStateConnected::NewLC();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CNSPStateConnected::NewLC
+// ---------------------------------------------------------------------------
+//
+CNSPStateConnected* CNSPStateConnected::NewLC()
+    {
+    CNSPStateConnected* self = new ( ELeave ) CNSPStateConnected;
+    CleanupStack::PushL( self );
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CNSPStateConnected::~CNSPStateConnected
+// ---------------------------------------------------------------------------
+//
+CNSPStateConnected::~CNSPStateConnected()
+    {
+    }
+
+
+// ---------------------------------------------------------------------------
+// CNSPStateConnected::DoAcceptL
+// ---------------------------------------------------------------------------
+//
+TBool CNSPStateConnected::DoAcceptL( TNSPStateMachineEvent& aEvent )
+    {
+    TBool accept = ETrue;
+    
+    User::LeaveIfError(
+    		TNSPStateMachineEvent::ENat == aEvent.Request() ||
+            TNSPStateMachineEvent::ECreateOffer == aEvent.Request() ||
+            TNSPStateMachineEvent::EResolve == aEvent.Request() ||
+            TNSPStateMachineEvent::EDecodeAnswer == aEvent.Request() ||
+            TNSPStateMachineEvent::EUpdate == aEvent.Request() ||
+            TNSPStateMachineEvent::EReservationStatus == aEvent.Request() ||
+            TNSPStateMachineEvent::ECloseSession == aEvent.Request() ?
+                    KErrNone : KErrTotalLossOfPrecision );
+    
+    if ( TNSPStateMachineEvent::ENat == aEvent.Request() )
+    	{
+    	// Events are ignored if return value from this method is 'EFalse'.
+    	TNSPStateMachineMediaEvent& event = MEDIAEVENT( aEvent );
+    	
+    	accept = (
+    		MNATFWConnectivityObserver::EReceivingActivated == event.Event() ||
+        	MNATFWConnectivityObserver::ESendingActivated == event.Event() ||
+        	( MNATFWConnectivityObserver::EGeneralError == event.Event() &&
+        			NSP_ERROR( event.Status() ) ) );
+    	}
+    
+    return accept;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CNSPStateConnected::DoStateEntryL
+// ---------------------------------------------------------------------------
+//
+void CNSPStateConnected::DoStateEntryL( TNSPStateMachineEvent& aEvent )
+    {
+    CNSPSession& session = aEvent.Session();
+    
+    session.Actions().UpdateRoundL( session.Data().UpdatedSdp() );
+    
+    if ( ANSWERER( session.Role() ) )
+        {
+    	aEvent.Offer() = session.Data().ReleaseOffer();
+    	aEvent.CallbackType() = TEventReturnStatus::EOfferReady;
+        }
+    else if ( OFFERER( session.Role() ) )
+        {
+    	aEvent.Answer() = session.Data().ReleaseAnswer();
+    	aEvent.CallbackType() = TEventReturnStatus::EAnswerReady;
+        }
+    else
+        {
+        User::Leave( KErrArgument );
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// CNSPStateConnected::DoReverse
+// ---------------------------------------------------------------------------
+//
+void CNSPStateConnected::DoReverse( TNSPStateMachineEvent& aEvent )
+    {
+    CNSPSession& session = aEvent.Session();
+    session.Data().SetOffer( NULL );
+    session.Data().SetAnswer( NULL );
+    session.Role() = CNSPSession::EUndefined;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CNSPStateConnected::DoApplyL
+// ---------------------------------------------------------------------------
+//
+void CNSPStateConnected::DoApplyL( TNSPStateMachineEvent& aEvent )
+    {
+    switch ( aEvent.Request() )
+        {
+        case TNSPStateMachineEvent::ENat:
+        	{
+        	ControlMediaL( aEvent );
+        	break;
+        	}
+        
+        case TNSPStateMachineEvent::ECreateOffer:
+            {
+            ApplyCreateOfferL( aEvent );
+            break;
+            }
+        
+        case TNSPStateMachineEvent::EResolve:
+            {
+            ApplyResolveL( aEvent );
+            break;
+            }
+        
+        case TNSPStateMachineEvent::EDecodeAnswer:
+            {
+            ApplyDecodeAnswerL( aEvent );
+            break;
+            }
+        
+        case TNSPStateMachineEvent::EUpdate:
+            {
+            ApplyUpdateL( aEvent );
+            break;
+            }
+        
+        case TNSPStateMachineEvent::EReservationStatus:
+            {
+            aEvent.Status() = KNatReady;
+            break;
+            }
+        
+        case TNSPStateMachineEvent::ECloseSession:
+            {
+            aEvent.NextState() = KStateIndexDeActivating;
+            aEvent.Status() = KNatAsync;
+            break;
+            }
+        
+        default:
+            {
+            User::Leave( KErrArgument );
+            }
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// CNSPStateConnected::DoExitL
+// ---------------------------------------------------------------------------
+//
+void CNSPStateConnected::DoExitL( TNSPStateMachineEvent& aEvent )
+    {
+    CNSPSession& session = aEvent.Session();
+    
+    switch ( aEvent.Request() )
+        {
+        case TNSPStateMachineEvent::EResolve:
+            {
+            session.Data().SetOffer( aEvent.Offer()->CloneL() );
+            session.Data().SetAnswer( aEvent.Answer()->CloneL() );
+            session.Role() = CNSPSession::EAnswerer;
+            break;
+            }
+        
+        case TNSPStateMachineEvent::EDecodeAnswer:
+            {
+            session.Data().SetAnswer( aEvent.Answer()->CloneL() );
+            session.Role() = CNSPSession::EOfferer;
+            break;
+            }
+        case TNSPStateMachineEvent::ECreateOffer:
+        	{
+        	session.Data().SetOffer( aEvent.Offer()->CloneL() );
+        	session.Role() = CNSPSession::EOfferer;
+        	break;
+        	}
+        case TNSPStateMachineEvent::ECloseSession:
+            {
+            break;
+            }
+        
+        default:
+            {
+            User::Leave( KErrArgument );
+            }
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// CNSPStateConnected::ControlMediaL
+// ---------------------------------------------------------------------------
+//
+void CNSPStateConnected::ControlMediaL( TNSPStateMachineEvent& aEvent ) const
+	{
+	TNSPStateMachineMediaEvent& event = MEDIAEVENT( aEvent );
+    TNatReturnStatus status = event.Session().Actions().ControlMediaL(
+    		event.StreamId(), event.Event(), event.Status(), event.Data() );
+    
+    if ( NSP_TRIGGER( status ) )
+    	{
+    	// NOP
+    	}
+    else
+    	{
+    	event.Status() = status;
+    	}
+	}
+
+
+// ---------------------------------------------------------------------------
+// CNSPStateConnected::ApplyCreateOfferL
+// ---------------------------------------------------------------------------
+//
+void CNSPStateConnected::ApplyCreateOfferL( TNSPStateMachineEvent& aEvent ) const
+    {
+    CNSPSession& session = aEvent.Session();
+    TNatReturnStatus status = KNatReady;
+    
+    status = session.Actions().CreateStreamsL( *aEvent.Offer() );
+    
+    if ( KNatAsync == status )
+        {	
+        aEvent.NextState() = KStateIndexLocalCand;  	
+        }
+    else
+        {
+        session.Actions().LatterRoundL( *aEvent.Offer() );
+        }
+    aEvent.Status() = status;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CNSPStateConnected::ApplyResolveL
+// ---------------------------------------------------------------------------
+//
+void CNSPStateConnected::ApplyResolveL( TNSPStateMachineEvent& aEvent ) const
+    {
+    CNSPSession& session = aEvent.Session();
+    TNatReturnStatus status = KNatReady;
+    
+    status = session.Actions().CreateStreamsL( *aEvent.Answer() );
+    
+    if ( KNatAsync == status )
+        {
+        aEvent.NextState() = KStateIndexLocalCand;  	
+        // TBD: Adding media streams, goto Localcand state.
+        }
+    else
+        {
+        session.Actions().LatterRoundL( *aEvent.Answer() );
+        session.Actions().GetSessionConnInfoL( *aEvent.Offer() ); // ret ignored
+        session.Actions().LocalRoundL( *aEvent.Offer() );
+        }
+    
+    aEvent.Status() = status;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CNSPStateConnected::ApplyDecodeAnswerL
+// ---------------------------------------------------------------------------
+//
+void CNSPStateConnected::ApplyDecodeAnswerL( TNSPStateMachineEvent& aEvent ) const
+    {
+    CNSPSession& session = aEvent.Session();
+    
+    session.Actions().GetSessionConnInfoL( *aEvent.Answer() );
+    session.Actions().LocalRoundL( *aEvent.Answer() );
+    }
+
+
+// ---------------------------------------------------------------------------
+// CNSPStateConnected::ApplyUpdateL
+// ---------------------------------------------------------------------------
+//
+void CNSPStateConnected::ApplyUpdateL( TNSPStateMachineEvent& aEvent ) const
+    {
+    CNSPSession& session = aEvent.Session();
+    
+    if ( OFFERER( session.Role() ) )
+        {
+        session.Actions().LocalRoundL( *aEvent.Offer() );
+        }
+    else
+        {
+        User::Leave( KErrArgument );
+        }
+    }
+
+// end of file