diff -r 000000000000 -r bde4ae8d615e os/persistentdata/traceservices/tracefw/ulogger/src/pluginframework/pluginallocator.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/persistentdata/traceservices/tracefw/ulogger/src/pluginframework/pluginallocator.cpp	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,137 @@
+// Copyright (c) 2007-2009 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:
+//
+
+
+#include "pluginallocator.h"
+#include "uloggeroutputplugin.h"
+#include <e32cmn.h>
+#include <ecom/ecom.h>
+
+namespace Ulogger
+{
+
+/*!Default constructor.
+*/
+CPluginAllocator::CPluginAllocator()
+	{
+	iOutputPluginBase = NULL;
+	iInputPluginBase = NULL;
+	}
+
+
+/*!Destructor.
+*/
+EXPORT_C CPluginAllocator::~CPluginAllocator()
+	{	
+	if(iOutputPluginBase)
+		{		
+		delete iOutputPluginBase;
+		iOutputPluginBase = NULL;
+		}
+	iOutputLib.Close();
+		
+	if((iOutputLibName.Compare(iInputLibName)!=0) && iInputPluginBase)
+		{		
+		delete iInputPluginBase;
+		iInputPluginBase = NULL;
+		}
+	iInputLib.Close();
+
+	REComSession::FinalClose();
+	}
+
+
+/*!Standard Symbian OS construction method which leaves object on CleanupStack.
+*/
+EXPORT_C CPluginAllocator* CPluginAllocator::NewLC(const TPtrC8& aOutputPluginName, const TPtrC8& aInputPluginName)
+	{
+	CPluginAllocator* obj = new (ELeave) CPluginAllocator();
+	CleanupStack::PushL(obj);
+	obj->ConstructL(aOutputPluginName, aInputPluginName);
+	return obj;
+	}
+
+
+/*!Standard Symbian OS construction method which does not leaves object on CleanupStack.
+*/
+EXPORT_C CPluginAllocator* CPluginAllocator::NewL(const TPtrC8& aOutputPluginName, const TPtrC8& aInputPluginName)
+	{
+	CPluginAllocator* obj = CPluginAllocator::NewLC(aOutputPluginName, aInputPluginName);
+	CleanupStack::Pop(); //obj
+	return obj;
+	}
+
+
+/*!Standard Symbian OS construction method.
+*/
+EXPORT_C void CPluginAllocator::ConstructL(const TPtrC8& aOutputPluginName, const TPtrC8& aInputPluginName)
+	{	
+	//create output and control channels
+	User::LeaveIfError(this->CreateChannelsL(aOutputPluginName, aInputPluginName));
+	}
+
+/*!This function create Output channel according to aOutputSettings.
+*/
+TInt CPluginAllocator::CreateChannelsL(const TPtrC8& aOutputPluginName, const TPtrC8& aInputPluginName)
+	{
+	TInt retVal = KErrNone;
+	
+	iOutputLibName.Copy(aOutputPluginName);
+	iInputLibName.Copy(aInputPluginName);
+
+	//create output plugin
+	iOutputPluginBase = (CPlugin*)(CPlugin::NewL(aOutputPluginName));
+	
+	//create control plugin
+	if(iOutputLibName.Compare(iInputLibName) == 0)
+		{
+		//share implementation
+		if(aInputPluginName.Length()>0)
+			iInputPluginBase = iOutputPluginBase;
+		}
+	else
+		{
+		//create new instance of control plugin
+		//ulogger can work without control plugin as this is optional functionality
+		if(aInputPluginName.Length()>0)
+			iInputPluginBase = (CPlugin*)(CPlugin::NewL(aInputPluginName));
+		}
+	
+	return retVal;
+	}
+
+
+EXPORT_C MOutputPlugin* CPluginAllocator::GetOutputPlugin()
+	{
+	if(iOutputPluginBase)
+		return (MOutputPlugin*)iOutputPluginBase->GetInterfaceL(MOutputPlugin::iInterfaceId);
+	else
+		return NULL;
+	}
+
+EXPORT_C MInputPlugin* CPluginAllocator::GetInputPlugin()
+	{
+	if(iInputPluginBase)
+		return (MInputPlugin*)iInputPluginBase->GetInterfaceL(MInputPlugin::iInterfaceId);
+	else
+		return NULL;
+	}
+
+EXPORT_C void CPluginAllocator::ListAllImplementationsL(RImplInfoPtrArray& aImplInfoArray)
+	{
+	REComSession::ListImplementationsL(KCPluginUid, aImplInfoArray);
+	}
+
+} //</namespace Ulogger>