// Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// 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:

// e32test\misc\d_kerncorestas.cpp

// 

//

#include "d_TestKernCoreStats.h"

#include <kernel/kernel.h>

#include <kernel/kerncorestats.h>

class DTestKernCoreStatsFactory : public DLogicalDevice

        {

public:

        DTestKernCoreStatsFactory();

        ~DTestKernCoreStatsFactory();

        virtual TInt Install();

        virtual void GetCaps(TDes8& aDes) const;

        virtual TInt Create(DLogicalChannelBase*& aChannel);

        };

class DTestKernCoreStatsChannel : public DLogicalChannelBase

        {

public:

        DTestKernCoreStatsChannel();

        virtual ~DTestKernCoreStatsChannel();

        TInt Request(TInt aFunction, TAny* a1, TAny* a2);

        virtual TInt DoCreate(TInt aUnit, const TDesC8* anInfo, const TVersion&

aVer);

private:

	TInt GetStats(TAny* aBuffer);

	TInt Configure(TInt aMode);

	TInt DumpInfo();

private:

	TInt iLength;

        };

DECLARE_STANDARD_LDD()

        {

        return new DTestKernCoreStatsFactory;

        }

DTestKernCoreStatsFactory::DTestKernCoreStatsFactory()

        {

        }

DTestKernCoreStatsFactory::~DTestKernCoreStatsFactory()

        {

        }

TInt DTestKernCoreStatsFactory::Install()

        {

        return SetName(&KTestKernCoreStatsName);

        }

void DTestKernCoreStatsFactory::GetCaps(TDes8&) const

        {

        }

TInt DTestKernCoreStatsFactory::Create(DLogicalChannelBase*& aChannel)

        {

        aChannel=new DTestKernCoreStatsChannel();

        if(!aChannel)

                return KErrNoMemory;

        return KErrNone;

        }

DTestKernCoreStatsChannel::DTestKernCoreStatsChannel()

	{

	}

DTestKernCoreStatsChannel::~DTestKernCoreStatsChannel()

	{

	}

TInt DTestKernCoreStatsChannel::DoCreate(TInt, const TDesC8*, const TVersion&)

        {

        return KErrNone;

        }

TInt DTestKernCoreStatsChannel::Request(TInt aFunction, TAny* a1, TAny*)

        {

        switch (aFunction)

                {

                case RTestKernCoreStats::ERequestGetStats:

                        return GetStats( (TAny*) a1);

                case RTestKernCoreStats::ERequestConfigure:

                        return Configure( (TInt) a1);

                case RTestKernCoreStats::ERequestDumpInfo:

                        return DumpInfo();

                default:

                        return KErrNotSupported;

                }

        }

TInt DTestKernCoreStatsChannel::GetStats(TAny* aBuffer)

	{

	NKern::ThreadEnterCS();

	if (iLength==0)

		return KErrNone;

	TAny* tempBuff = Kern::Alloc(iLength);

	if (!tempBuff)

		{

		NKern::ThreadLeaveCS();

		return KErrNoMemory;

		}

	TInt r = KernCoreStats::Stats(tempBuff);

	if (r==KErrNone)

		kumemput(aBuffer, tempBuff, iLength);

	Kern::Free(tempBuff);

	NKern::ThreadLeaveCS();

	return r;

	}

TInt DTestKernCoreStatsChannel::Configure(TInt aMode)

	{

	NKern::ThreadEnterCS();

	TInt cores = NKern::NumberOfCpus();

	TInt len = 0;

	len+= (aMode & KStatsCoreTotalTimeInIdle)?		sizeof(TUint)*cores :0;

	len+= (aMode & KStatsTimeCrossIdleAndActive)?		sizeof(TUint)*(cores+1) :0;

	len+= (aMode & KStatsCoreNumTimesInIdle)?		sizeof(TUint)*cores :0;

	len+= (aMode & KStatsNumEvents)?			sizeof(TUint) :0;

	len+= (aMode & KStatsReadyStateChanges)?		sizeof(TUint)*2:0;

	len+= (aMode & KStatsNumTimeSliceExpire)?		sizeof(TUint):0;

	iLength=len;

	Kern::Printf("KernCoreStats packet length = %d", len);

	TInt r =  KernCoreStats::Configure(aMode);

	NKern::ThreadLeaveCS();

	return r;

	}

TInt DTestKernCoreStatsChannel::DumpInfo()

	{

	//KernCoreStats::Engage(0);

	return iLength;

	}