/*

* Copyright (c) 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: Perf log Header.

*

*/

#ifndef ALFPERFORMANCE_H

#define ALFPERFORMANCE_H

//  INCLUDES

#include <e32debug.h>

#include <e32base.h>

#include <e32std.h>

#include <hal.h>

#include <e32cmn.h>

#include <flogger.h>

#include <f32file.h>

_LIT(KLogFileName,"alfperf.log");

_LIT(KLogFileDir,"alflogs");

_LIT(KLogFileRootDir,"c:\\logs\\");

class CAlfPerformance : public CBase

    {

    public:

        struct TPerfData

            {

            TTime iStartTime;

            TInt iStartMemory;

            };

    public:  // Constructors and destructor

        static CAlfPerformance* NewL();

        virtual ~CAlfPerformance();

    public: // New functions

        inline static void PrintUserMem(const TDesC& aMsg);

        inline static TPerfData* StartTestCase(const TDesC& aMsg = KNullDesC);

        inline static void StopTestCase(TPerfData* aData, const TDesC& aMsg = KNullDesC);

        //creates log file if it doesn't exist already

        inline static void CreateLogFile();

    private:

        CAlfPerformance();

        void ConstructL();

    };

inline void CAlfPerformance::PrintUserMem(const TDesC& aMsg)

    {

    TBuf<512> buffer;

    TInt freeRAM;

    HAL::Get(HALData::EMemoryRAMFree, freeRAM);

    RHeap heap = User::Heap();

    heap.Open();

    TInt _size = heap.Size();

    TInt largest = 0;

    TInt available = heap.Available(largest);

    heap.Close();

    _LIT( KMemoryFormat, "FreeRAM: %d kB, User: - heap %d kB, available %d kB, largest block %d kB" );

    buffer.Format(KMemoryFormat, freeRAM / 1024, _size / 1024, available / 1024, largest / 1024);

    CreateLogFile();

    //Write logs into file

    RFileLogger::WriteFormat( KLogFileDir,KLogFileName,EFileLoggingModeAppend,_L("RAM - %S - %S"), &aMsg, &buffer);

    }

inline CAlfPerformance::TPerfData* CAlfPerformance::StartTestCase(const TDesC& aMsg)

    {

    CreateLogFile();

    //Write logs into file

    RFileLogger::WriteFormat(KLogFileDir,KLogFileName,EFileLoggingModeAppend,_L("Test case %S starts"), &aMsg);

    CAlfPerformance::TPerfData* data = new (ELeave) TPerfData;

    TTime readyTime;

    data->iStartTime.HomeTime();

    User::AllocSize(data->iStartMemory);

    return data;

    }

inline void CAlfPerformance::StopTestCase(CAlfPerformance::TPerfData* aData, const TDesC& aMsg)

    {

    if(!aData)

        {

        return;

        }

    TTime readyTime;

    readyTime.HomeTime();

    TTimeIntervalMicroSeconds delay = readyTime.MicroSecondsFrom(aData->iStartTime);

    TTime transferTime(delay.Int64());

    TBuf<64> timeString;

    transferTime.FormatL(timeString, _L("- Elapsed time: %S%C microseconds"));

    TBuf<256> tmp;

    tmp.Append(timeString);

    RFileLogger::Write(KLogFileDir,KLogFileName,EFileLoggingModeAppend,tmp);

    // Memory consumption

    TInt endMemory;

    User::AllocSize(endMemory); 

    CreateLogFile();

    //Write logs into file

    RFileLogger::WriteFormat(KLogFileDir,KLogFileName,EFileLoggingModeAppend,_L("- Allocated memory: %d kB"), (endMemory - aData->iStartMemory) / 1024);

    delete aData;

    aData = NULL;

    RFileLogger::WriteFormat(KLogFileDir,KLogFileName,EFileLoggingModeAppend,_L("Test case %S ends"), &aMsg);

    }

inline void CAlfPerformance::CreateLogFile()

    {

        RFs fsSession;

        RFile file;

        User::LeaveIfError(fsSession.Connect());

        TFileName filename;

        filename.Append(KLogFileRootDir);

        filename.Append(KLogFileDir);

        filename.Append(_L("\\"));

        //create logs directory if it doesn't exist

        fsSession.MkDir(filename);

        filename.Append(KLogFileName);

        //check if log file already exists

        TInt retStatus = file.Open(fsSession,filename,EFileRead);

        if(retStatus == KErrNotFound)

            file.Create(fsSession,filename,EFileWrite);         //create a new log file

        file.Close();

        fsSession.Close();

    }

#endif // ALFPERFORMANCE_H

// End of File