multimediacommsengine/mmcesrv/mmceserver/src/mcenatstatewait.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:04:58 +0200
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permissions -rw-r--r--
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/*
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* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  
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*
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*/
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#include "mcenatstatewait.h"
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#include "mcenatevents.h"
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#include "mcenatsipsession.h"
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#include "mceactionset.h"
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#include "mceclientserver.h"
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#include "mcesrvlogs.h"
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// -----------------------------------------------------------------------------
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// CMceNatStateWait::CMceNatStateWait
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// -----------------------------------------------------------------------------
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//
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CMceNatStateWait::CMceNatStateWait()
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	{
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	}
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// -----------------------------------------------------------------------------
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// CMceNatStateWait::~CMceNatStateWait
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// -----------------------------------------------------------------------------
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//
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CMceNatStateWait::~CMceNatStateWait()
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	{
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	}
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// -----------------------------------------------------------------------------
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// CMceNatStateWait::Accept
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// -----------------------------------------------------------------------------
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//
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TBool CMceNatStateWait::Accept( TMceNatStateTransitionEvent& aEvent )
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    {
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	if ( ( EMceNatHandleSIP == aEvent.NatCode() && 
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	       ( EMceResponse == aEvent.Code() ||
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	         EMceProvisionalResponse == aEvent.Code() ) &&
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	     	 MceSip::HasContent( aEvent.Session().Response() ) ) ||
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	     	 EMceNatError == aEvent.NatCode() ||
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	         ( EMceAck == aEvent.Code() &&  
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            	    	MceSip::HasContent( aEvent.Session().Request())) ||
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	     	 EMceNatICMPError == aEvent.NatCode())
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	    {
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        return ETrue;
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	    }
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    else
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        {
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        return EFalse;
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        }
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    }
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// -----------------------------------------------------------------------------
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// CMceNatStateWait::EntryL
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// -----------------------------------------------------------------------------
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//
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void CMceNatStateWait::EntryL( TMceNatStateTransitionEvent& aEvent )
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	{
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	MCESRV_DEBUG( "*** CMceNatStateWait::EntryL, Entry" );
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	if ( EMceNatSync == aEvent.NatCode() )
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	    {
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	    // NOP
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	    }
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	else
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	    {
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	    aEvent.NatActions().Continue();
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	    }
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	MCESRV_DEBUG( "*** CMceNatStateWait::EntryL, Exit" );
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	}
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// -----------------------------------------------------------------------------
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// CMceNatStateWait::ExitL
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// -----------------------------------------------------------------------------
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//
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void CMceNatStateWait::ExitL( TMceNatStateTransitionEvent& aEvent )
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	{
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	MCESRV_DEBUG( "*** CMceNatStateWait::ExitL, Entry" );
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	switch ( aEvent.NatCode() )
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	    {
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	    case EMceNatError:
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	    case EMceNatICMPError:
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	        {
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	        ExitErrorL( aEvent );
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	        break;
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	        }
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	    default:
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	        {
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	        ExitDefaultL( aEvent );
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	        break;
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	        }
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	    }
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	MCESRV_DEBUG( "*** CMceNatStateWait::ExitL, Exit" );
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	}
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// -----------------------------------------------------------------------------
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// CMceNatStateWait::ExitErrorL
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// -----------------------------------------------------------------------------
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//
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void CMceNatStateWait::ExitErrorL( TMceNatStateTransitionEvent& aEvent )
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    {
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    TMceStateIndex sipState = aEvent.Session().CurrentState().Id();
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    if (( aEvent.NatCode() == EMceNatICMPError && 
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    		KMceStateEstablished == sipState ) || 
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    		aEvent.NatCode() == EMceNatError )
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    	{
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    	aEvent.Session().Actions().ClientErrorOccured( aEvent.ParamStatus() );
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    	User::Leave( aEvent.ParamStatus() );		
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    	}
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    }
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// -----------------------------------------------------------------------------
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// CMceNatStateWait::ExitDefaultL
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// -----------------------------------------------------------------------------
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//
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void CMceNatStateWait::ExitDefaultL( TMceNatStateTransitionEvent& aEvent )
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    {
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    CMceSipSession& session = aEvent.Session();
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    if ( EMceAck == aEvent.Code() &&  
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          MceSip::HasContent( aEvent.Session().Request()))
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    	{
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    	User::LeaveIfError( session.Actions().CreateSDP( session.Request() ) );
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        aEvent.NatActions().UpdateL();
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    	aEvent.NatActions().StateChangedL( aEvent, KMceNatStateDecodeAnswer );		
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    	}
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    else
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    	{
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    	User::LeaveIfError( session.Actions().CreateSDP( session.Response() ) );
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    	aEvent.NatActions().StateChangedL( aEvent, KMceNatStateDecodeAnswer );		
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    	}
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    }
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// End of File
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