// extrabtrace.cpp

// 

// Copyright (c) 2010 Accenture. All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the "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:

// Accenture - Initial contribution

//

#include <fshell/extrabtrace.h>

#include "common.h"

NONSHARABLE_CLASS(RExtraBtraceImpl) : public RBusLogicalChannel

	{

public:

	TInt Connect();

	TInt EnableProfiling(TInt aSamplingPeriod);

	};

#define iImplementation (*reinterpret_cast<RExtraBtraceImpl*>(iImpl))

#define iConstImplementation (*reinterpret_cast<const RExtraBtraceImpl*>(iImpl))

EXPORT_C RExtraBtrace::RExtraBtrace()

	{

	iImplementation.SetHandle(0);

	}

EXPORT_C TInt RExtraBtrace::Connect()

	{

	return iImplementation.Connect();

	}

EXPORT_C void RExtraBtrace::Close()

	{

	iImplementation.Close();

	}

EXPORT_C TInt RExtraBtrace::Handle() const

	{

	return iConstImplementation.Handle();

	}

EXPORT_C TInt RExtraBtrace::EnableProfiling(TInt aSamplingPeriod)

	{

	return iImplementation.EnableProfiling(aSamplingPeriod);

	}

TInt RExtraBtraceImpl::Connect()

	{

	_LIT(KLddName,"extrabtracek");

	TInt r = User::LoadLogicalDevice(KLddName);

	if(r!=KErrNone && r!=KErrAlreadyExists)

		return r;

#ifdef FSHELL_CUSTOM_BTRACE_SUPPORT_LIBRARY

	// If FSHELL_TRACE_LIBRARY etc has been overridden it's possible that we need to load an additional driver to have extrabtrace function

	r = User::LoadLogicalDevice(TPtrC((const TUint16*)FSHELL_CUSTOM_BTRACE_SUPPORT_LIBRARY));

	if(r!=KErrNone && r!=KErrAlreadyExists)

		return r;

#endif

	r = DoCreate(KLogicalDeviceName, TVersion(), KNullUnit, NULL, NULL, EOwnerThread);

	return r;

	}

TInt RExtraBtraceImpl::EnableProfiling(TInt aSamplingPeriod)

	{

	return DoControl(EControlEnableProfiling, (TAny*)aSamplingPeriod);

	}