diff -r 000000000000 -r dfb7c4ff071f datacommsserver/esockserver/esock_internal_messages/inc/LinkMessages.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/datacommsserver/esockserver/esock_internal_messages/inc/LinkMessages.h	Thu Dec 17 09:22:25 2009 +0200
@@ -0,0 +1,89 @@
+// 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:
+// Definitions for generic Link Tier messages.
+// 
+//
+
+/**
+ @file
+ @internalTechnology
+*/
+
+#ifndef LINKMESSAGES_H
+#define LINKMESSAGES_H
+
+#include <comms-infras/ss_nodemessages.h>
+
+
+class TLinkMessage
+    {
+public:
+    enum { ERealmId = 0x10281DE6 }; //same as agentcorepr
+    
+private:
+    //
+    // Messages are grouped according to direction in an attempt to make it easier
+    // to decipher message direction whilst debugging.
+    //
+    enum
+    /**
+    Definition of generic Link Tier message ids
+    */
+    	{
+    	// Flow -> SCPR
+    	EAuthenticate                       = Messages::KNullMessageId + 1,
+    	EFlowToAgentNotification            = 2,
+
+    	// SCPR -> Flow
+    	EAuthenticateResponse               = 3,
+    	EAgentToFlowNotification            = 4,
+    	
+    	// AgentSCPr -> IPProtoSCPr
+    	EAgentEventNotification				= 10
+    	};
+public:
+    //
+    // Generic Link Tier Flow -> SCPR messages
+    //
+    // These are simple messages with no arguments.
+
+	typedef Messages::TMessageSigVoid<EAuthenticate, TLinkMessage::ERealmId> TAuthenticate;
+    
+    // Send a TCancel message to SCPR to cancel a previous TAuthenticateMsg
+    // (there is no specific CancelAuthenticate)
+
+    // Notification message to Agent
+    typedef Messages::TMessageSigNumber<EFlowToAgentNotification, TLinkMessage::ERealmId> TFlowToAgentNotification;
+
+
+
+    //
+    // Generic Link Tier SCPR -> Flow messages
+    //
+    // These are simple messages with no arguments.
+
+    typedef Messages::TMessageSigVoid<EAuthenticateResponse, TLinkMessage::ERealmId> TAuthenticateResponse;
+
+    // Notification message to Flow
+    typedef Messages::TMessageSigNumber<EAgentToFlowNotification, TLinkMessage::ERealmId> TAgentToFlowNotification;
+    
+    //
+    // AgentSCPr -> IPProtoSCPr
+    //
+    typedef Messages::TMessageSigNumberNumber<EAgentEventNotification, TLinkMessage::ERealmId> TAgentEventNotification;
+    };
+
+#endif
+// LINKMESSAGES_H
+