--- /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