--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommsengine/mmcesrv/mmceserver/src/mcenatstatedecodeoffer.cpp Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,185 @@
+/*
+* 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 "mcenatstatedecodeoffer.h"
+#include "mcenatsipsession.h"
+#include "mceactionset.h"
+#include "mceclientserver.h"
+#include "mcenatevents.h"
+#include "mcesrvlogs.h"
+#include "nspplugin.h"
+
+// -----------------------------------------------------------------------------
+// CMceNatStateDecodeOffer::CMceNatStateDecodeOffer
+// -----------------------------------------------------------------------------
+//
+CMceNatStateDecodeOffer::CMceNatStateDecodeOffer()
+ {
+ }
+
+
+// -----------------------------------------------------------------------------
+// CMceNatStateDecodeOffer::~CMceNatStateDecodeOffer
+// -----------------------------------------------------------------------------
+//
+CMceNatStateDecodeOffer::~CMceNatStateDecodeOffer()
+ {
+ }
+
+// -----------------------------------------------------------------------------
+// CMceNatStateDecodeOffer::Accept
+// -----------------------------------------------------------------------------
+//
+TBool CMceNatStateDecodeOffer::Accept( TMceNatStateTransitionEvent& aEvent )
+ {
+ if ( EMceNatOffer == aEvent.NatCode() ||
+ ( EMceNatHandleSIP == aEvent.NatCode() &&
+ EMceInvite == aEvent.Code() )||
+ EMceNatError == aEvent.NatCode() ||
+ EMceNatICMPError == aEvent.NatCode() )
+ {
+ return ETrue;
+ }
+ else
+ {
+ return EFalse;
+ }
+
+ }
+
+// -----------------------------------------------------------------------------
+// CMceNatStateDecodeOffer::EntryL
+// -----------------------------------------------------------------------------
+//
+void CMceNatStateDecodeOffer::EntryL( TMceNatStateTransitionEvent& aEvent )
+ {
+ MCESRV_DEBUG( "*** CMceNatStateDecodeOffer::EntryL, Entry" );
+
+ aEvent.NatActions().Continue();
+
+ MCESRV_DEBUG( "*** CMceNatStateDecodeOffer::EntryL, Exit" );
+ }
+
+// -----------------------------------------------------------------------------
+// CMceNatStateDecodeOffer::ExitL
+// -----------------------------------------------------------------------------
+//
+void CMceNatStateDecodeOffer::ExitL( TMceNatStateTransitionEvent& aEvent )
+ {
+ MCESRV_DEBUG( "*** CMceNatStateDecodeOffer::ExitL, Entry" );
+
+ switch ( aEvent.NatCode() )
+ {
+ case EMceNatError:
+ case EMceNatICMPError:
+ {
+ ExitErrorL( aEvent );
+ break;
+ }
+ case EMceNatHandleSIP:
+ {
+ ExitHandleInviteL( aEvent );
+ break;
+ }
+ default:
+ {
+ ExitDefaultL( aEvent );
+ break;
+ }
+ }
+
+ MCESRV_DEBUG( "*** CMceNatStateDecodeOffer::ExitL, Exit" );
+ }
+
+// -----------------------------------------------------------------------------
+// CMceNatStateDecodeOffer::ExitErrorL
+// -----------------------------------------------------------------------------
+//
+void CMceNatStateDecodeOffer::ExitErrorL( TMceNatStateTransitionEvent& aEvent )
+ {
+
+ TMceStateIndex sipState = aEvent.Session().CurrentState().Id();
+
+ if (( aEvent.NatCode() == EMceNatICMPError &&
+ KMceStateEstablished == sipState ) ||
+ aEvent.NatCode() == EMceNatError )
+
+ {
+ aEvent.Session().Actions().ClientErrorOccured( aEvent.ParamStatus() );
+ if ( aEvent.NatCode() == EMceNatError )
+ {
+ User::Leave( aEvent.ParamStatus() );
+ }
+ }
+ }
+
+
+// -----------------------------------------------------------------------------
+// CMceNatStateDecodeOffer::ExitHandleInviteL
+// -----------------------------------------------------------------------------
+//
+void CMceNatStateDecodeOffer::ExitHandleInviteL( TMceNatStateTransitionEvent& aEvent )
+ {
+ CMceSipSession& session = aEvent.Session();
+
+ if ( MceSip::HasContent( session.Request() ) )
+ {
+ // Incoming INVITE contained new SDP, which can contain new candidates,
+ // hence it is given to NAT - without state update.
+ User::LeaveIfError( session.Actions().CreateSDP( session.Request() ) );
+ aEvent.NatActions().UpdateL();
+ }
+
+ // Not consumed, done by SIP state machine
+ aEvent.NatActions().Continue();
+ }
+
+// -----------------------------------------------------------------------------
+// CMceNatStateDecodeOffer::ExitDefaultL
+// -----------------------------------------------------------------------------
+//
+void CMceNatStateDecodeOffer::ExitDefaultL( TMceNatStateTransitionEvent& aEvent )
+ {
+ User::LeaveIfNull( aEvent.Document() );
+ CMceSipSession& session = aEvent.Session();
+
+ aEvent.Session().SetPrevOffer( aEvent.Document() );
+ aEvent.NatActions().SetOffered( KMceNatPrevOfferSdp );
+ aEvent.Session().Actions().DecodeL();
+ aEvent.NatActions().UpdateRemoteAddressL();
+
+ CSdpDocument* previous = session.Offer();
+ aEvent.NatActions().SetOffered( KMceNatOfferSdp );
+ aEvent.NatActions().SdpCleanup( previous, session.Offer() );
+
+ aEvent.NatActions().StateChangedL( aEvent, KMceNatStateConnected );
+
+
+ // MCE should use reserved only when the plugin returns
+ // ENSPResourcesReserved enumeration and only in session initiation.
+
+ if ( aEvent.NatActions().GetReservationStatus() == KMceAsync &&
+ aEvent.NatActions().GetResourceReservationStatus() ==
+ CNSPPlugin::ENSPResourcesReserved )
+ {
+ //iReserveStatus = KMceReady;
+ aEvent.NatActions().SetReservationStatus( KMceReady );
+ session.Reserved( session.ActiveBody());
+ }
+ }