--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommsengine/mmcesrv/mmceserver/src/mcenatsipstatemachine.cpp	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,190 @@
+/*
+* 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 "mcenatsipstatemachine.h"
+#include "mcenatstateinitializing.h"
+#include "mcenatstateidle.h"
+#include "mcenatstatecreateoffer.h"
+#include "mcenatstatecreateanswer.h"
+#include "mcenatstatedecodeoffer.h"
+#include "mcenatstatedecodeanswer.h"
+#include "mcenatstatewait.h"
+#include "mcenatstateconnected.h"
+#include "mcenatstatecreateofferrequested.h"
+#include "mcesrvlogs.h"
+
+
+// -----------------------------------------------------------------------------
+// CMceNatSipStateMachine::NewL
+// -----------------------------------------------------------------------------
+//
+CMceNatSipStateMachine* CMceNatSipStateMachine::NewL()
+	{
+    CMceNatSipStateMachine* self = CMceNatSipStateMachine::NewLC();
+    CleanupStack::Pop(self);
+    return self;
+	}
+
+// -----------------------------------------------------------------------------
+// CMceNatSipStateMachine::NewLC
+// -----------------------------------------------------------------------------
+//
+CMceNatSipStateMachine* CMceNatSipStateMachine::NewLC()
+	{
+    CMceNatSipStateMachine* self = new (ELeave) CMceNatSipStateMachine();
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    return self;
+	}
+
+// -----------------------------------------------------------------------------
+// CMceNatSipStateMachine::CMceNatSipStateMachine
+// -----------------------------------------------------------------------------
+//
+CMceNatSipStateMachine::CMceNatSipStateMachine()
+	: iCurrentState( KMceNatStateInitializing )
+	{
+	}
+
+// -----------------------------------------------------------------------------
+// CMceNatSipStateMachine::NewState
+// -----------------------------------------------------------------------------
+//
+void CMceNatSipStateMachine::NewStateL( TMceNatStateTransitionEvent& aEvent,
+                                        TMceNatStateIndex aNewState )
+	{
+    MCESRV_DEBUG( "*** CMceNatSipStateMachine::NewStateL, Entry" );
+    MCESRV_DEBUG_DVALUE( "*** new state", aNewState );
+    
+    iCurrentState = aNewState;
+    
+    TRAPD( error, iStates[iCurrentState]->TransitionHandler().EntryL( aEvent ) );
+    
+    if ( KErrNone != error )
+        {
+        User::Leave( error );
+        }
+    
+    MCESRV_DEBUG( "*** CMceNatSipStateMachine::NewStateL, Exit" );
+	}
+
+// -----------------------------------------------------------------------------
+// CMceNatSipStateMachine::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CMceNatSipStateMachine::ConstructL()
+	{
+    MCESRV_DEBUG( "*** CMceNatSipStateMachine::ConstructL, Entry" );
+	
+	CMceNatState* state = NULL;
+
+	state = new (ELeave) CMceNatStateInitializing();
+	CleanupStack::PushL( state );
+	iStates.InsertL( state, KMceNatStateInitializing );
+	CleanupStack::Pop( state );
+    
+	state = new (ELeave) CMceNatStateIdle();
+	CleanupStack::PushL( state );
+	iStates.InsertL( state, KMceNatStateIdle );
+	CleanupStack::Pop( state );
+	
+	state = new (ELeave) CMceNatStateCreateOffer();
+	CleanupStack::PushL( state );
+	iStates.InsertL( state, KMceNatStateCreateOffer );
+	CleanupStack::Pop( state );
+	
+	state = new (ELeave) CMceNatStateCreateAnswer();
+	CleanupStack::PushL( state );
+	iStates.InsertL( state, KMceNatStateCreateAnswer );
+	CleanupStack::Pop( state );
+	
+	state = new (ELeave) CMceNatStateDecodeOffer();
+	CleanupStack::PushL( state );
+	iStates.InsertL( state, KMceNatStateDecodeOffer );
+	CleanupStack::Pop( state );
+	
+	state = new (ELeave) CMceNatStateDecodeAnswer();
+	CleanupStack::PushL( state );
+	iStates.InsertL( state, KMceNatStateDecodeAnswer );
+	CleanupStack::Pop( state );
+
+	state = new (ELeave) CMceNatStateWait();
+	CleanupStack::PushL( state );
+	iStates.InsertL( state, KMceNatStateWait );
+	CleanupStack::Pop( state );
+
+	state = new (ELeave) CMceNatStateConnected();
+	CleanupStack::PushL( state );
+	iStates.InsertL( state, KMceNatStateConnected );
+	CleanupStack::Pop( state );
+
+	state = new (ELeave) CMceNatStateCreateOfferRequested();
+	CleanupStack::PushL( state );
+	iStates.InsertL( state, KMceNatStateCreateOfferRequested );
+	CleanupStack::Pop( state );
+
+    MCESRV_DEBUG( "*** CMceNatSipStateMachine::ConstructL, Exit" );    
+	}
+
+// -----------------------------------------------------------------------------
+// CMceNatSipStateMachine::~CMceNatSipStateMachine
+// -----------------------------------------------------------------------------
+//
+CMceNatSipStateMachine::~CMceNatSipStateMachine()
+	{
+    iStates.ResetAndDestroy();
+    iStates.Close();
+	}
+
+// -----------------------------------------------------------------------------
+// CMceNatSipStateMachine::ProcessL
+// -----------------------------------------------------------------------------
+//
+void CMceNatSipStateMachine::ProcessL( TMceNatStateTransitionEvent& aEvent )
+    {
+    iStates[iCurrentState]->TransitionHandler().ExitL( aEvent );
+    }
+
+// -----------------------------------------------------------------------------
+// CMceNatSipStateMachine::Accept
+// -----------------------------------------------------------------------------
+//
+TBool CMceNatSipStateMachine::Accept( TMceNatStateTransitionEvent& aEvent )
+    {
+    return iStates[iCurrentState]->Accept( aEvent );
+    }
+
+// -----------------------------------------------------------------------------
+// CMceNatSipStateMachine::State
+// -----------------------------------------------------------------------------
+//
+TInt CMceNatSipStateMachine::State() const 
+    {
+    return iCurrentState;
+    }
+
+// -----------------------------------------------------------------------------
+// CMceNatSipStateMachine::ErrorOccurred
+// -----------------------------------------------------------------------------
+//
+void CMceNatSipStateMachine::ErrorOccurred()
+    {
+    iCurrentState = KMceNatStateIdle;
+    }