--- /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