--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/linklayerprotocols/tunnelnif/src/TunnelAgentHandler.cpp	Tue Jan 26 15:23:49 2010 +0200
@@ -0,0 +1,91 @@
+// Copyright (c) 2006-2009 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:
+// Agent Handling routines for Tunnel
+// 
+//
+
+/**
+ @file
+ @internalComponent
+*/
+
+#include <comms-infras/nifprvar.h>			// for TAgentToFlowEventType
+#include "TunnelAgentHandler.h"
+#include "tunnelProvision.h"
+#include "tunnelnifvar.h"
+
+using namespace MeshMachine;
+using namespace Messages;
+
+CTunnelAgentHandler::CTunnelAgentHandler(const TTunnelInfo& aTunnelInfo)
+  : iTunnelInfo(aTunnelInfo)
+	{
+	}
+
+void CTunnelAgentHandler::ServiceStarted()
+	{
+	// Notify Agent of the CFProtocol name.  iTunnelInfo points to provisioning information
+	// in AccessPointConfig.  This is valid while we are valid, but if there's ever a need
+	// to decouple this in future, then GetExtension[L]() can be called to retrieve the
+	// provisioning information on-the-fly.
+	NotificationToAgent(static_cast<TFlowToAgentEventType>(ENifToAgentEventTypeSetIfName), (TAny*)&iTunnelInfo.iIfName);
+	}
+
+TInt CTunnelAgentHandler::NotificationFromAgent(TAgentToFlowEventType aEvent, TAny* aInfo)
+/**
+Deal with notification calls from the Agent.
+
+Mainly the update/set address notifications that indicate a new Tunnel address.  A suitable
+TTunnelAddressMsg message is formed and sent to the CFProtocol.
+*/
+	{
+	TBool updateFlag = EFalse;
+	switch (aEvent)
+		{
+	case EAgentToNifEventTypeUpdateAddress:
+		updateFlag = ETrue;
+		/* FALLTHROUGH */
+	case EAgentToNifEventTypeSetAddress:
+		{
+        TInetIfConfig* ifConfig = reinterpret_cast<TInetIfConfig*>(aInfo);
+
+		// The TInetIfConfig object pointed to by aInfo is on the stack (not the heap) of the
+		// VPNConnAgt.  Consequently, the information is copied into a TunnelAddressMsg message
+		// and sent over to the Tunnel CFProtocol.  There can be several of these messages internally
+		// generated one after another in the Agent when the Tunnel address changes.
+		//
+		// Note that the message only contains those fields of TInetIfConfig that are
+		// actually used by the Tunnel CFProtocol.  This keeps the message size small and
+		// avoids having to use a "blob" message.
+#ifndef __GCCXML__
+        //Using Null TCommsId, as PostMessageToFlow will substitue it properly.
+		return AnonPostMessageToFlow(
+        		TTunnelAgentMessage::TTunnelSetAddress(
+        				updateFlag,
+        				ifConfig->iAddress,
+        				ifConfig->iNameSer1,
+        				ifConfig->iNameSer2
+        				).CRef()
+        		); // This will set the NodeChannelId properly before routing the message to the Flow.
+#else
+		return 0;
+#endif
+		}
+
+	default:
+		// All other messages handled in default base class manner.
+		return CAgentNotificationHandler::NotificationFromAgent(aEvent, aInfo);
+		}
+	}
+