--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/epoc32/include/comms-infras/ss_apiext_register.h	Wed Mar 31 12:33:34 2010 +0100
@@ -0,0 +1,85 @@
+// 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:
+//
+
+/**
+ @file
+ @internalTechnology
+*/
+
+#if !defined(SS_APIEXT_REGISTER_H_INCLUDED)
+#define SS_APIEXT_REGISTER_H_INCLUDED
+
+#include <comms-infras/api_ext_list.h>
+#include <comms-infras/api_ext_msg.h>
+#include <elements/nm_common.h>
+
+class CSockManData;
+
+namespace ESock
+{
+
+class CExtItfMsgPluginInfo;
+class TCommsApiExtRegister;
+
+/**
+	@internalTechnology
+
+	Utility class
+*/
+class TCommsApiExtTable
+	{
+	friend class TCommsApiExtRegister;
+
+private:
+	explicit TCommsApiExtTable(TInt aExtensionId, const Meta::STypeId& aMsgImplTid);
+
+	void AddClientL(TSubSessionUniqueId aClientId, Messages::CGlobals& aSockManData);
+	TBool RemoveClient(TSubSessionUniqueId aClientId, Messages::CGlobals& aSockManData);
+	static void DeregisterInterfaceOnCleanup(TAny* aTid);
+
+private:
+	const TInt iExtensionId;
+	const Meta::STypeId iMsgImplTid;
+	CExtItfMsgPluginInfo* iMsgPluginInfo;
+	RArray<TSubSessionUniqueId> iClients; //Extensions opened by this client
+	};
+
+/**
+	@internalTechnology
+
+	Utility class
+*/
+class TCommsApiExtRegister
+	{
+public:
+	explicit TCommsApiExtRegister(Messages::CGlobals& aSockManData);
+	~TCommsApiExtRegister();
+	void RegisterInterfaceL(TInt aExtItfId, const Meta::STypeId& aMsgImplTid, TSubSessionUniqueId aClientId);
+	//Returns next client on this interface if any
+	TSubSessionUniqueId FirstClient(TInt aExtItfId);
+	TSubSessionUniqueId DeRegisterInterface(TInt aExtItfId, TSubSessionUniqueId aClientId);
+
+private:
+	TInt FindApiExtClientsTable(TInt aExtItfId);
+
+private:
+	Messages::CGlobals& iGlobals;
+	RArray<TCommsApiExtTable> iApiExtList;
+	};
+
+} // namespace ESock
+
+#endif // SS_APIEXT_REGISTER_H_INCLUDED
+