/*

* Copyright (c)  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 "cpdebug.h"

const TUint KMemDataSize( 100 );

const TUint KBufMaxSize( 512 );

const TUint KThousand( 1000 );

// ======== MEMBER FUNCTIONS ========

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CCPDebug::ConstructL( const TDesC& aFile )

    {

    iData = new (ELeave) DebugData();

    iData->iLogEnabled = EFalse;

    iData->iFirstUpdateTime.UniversalTime( );

    iData->iFileName.Create( aFile.Length( ) );

    iData->iFileName = aFile;

    Dll::SetTls( iData );

    User::LeaveIfError( iData->iFs.Connect( ) );

    EnableLogging( ETrue );

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

EXPORT_C CCPDebug* CCPDebug::NewL( const TDesC& aFile )

    {

    CCPDebug* self = NewLC( aFile );

    CleanupStack::Pop(self);

    return self;

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

EXPORT_C CCPDebug* CCPDebug::NewLC( const TDesC& aFile )

    {

    CCPDebug* self = new (ELeave) CCPDebug();

    CleanupStack::PushL(self);

    self->ConstructL( aFile );

    return self;

    }

// ---------------------------------------------------------------------------

//

// ---------------------------------------------------------------------------

//

CCPDebug::CCPDebug()

    {

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//	

CCPDebug::~CCPDebug()

    {

    if ( iData )

        {

        iData->iFileName.Close( );

        iData->iLogFile.Close( );

        iData->iFs.Close( );

        }

    Dll::FreeTls( );

    delete iData;

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

EXPORT_C TBool CCPDebug::Enable()

    {

    DebugData* data = Data();

    if(!data)

        {

        return false;

        }

    else

        {

        return true;

        }

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

EXPORT_C void CCPDebug::EnableLogging(TBool aEnable)

    {

    DebugData* data = Data();

    if(aEnable && !data->iLogEnabled)

        {

        if( data->iLogFile.Replace(data->iFs, data->iFileName, EFileWrite) == KErrNone )

            {

            data->iLogEnabled = ETrue;

            Printf(_L8("CCPDebug::EnableLogging()"));

            }

        }

    else if(!aEnable && data->iLogEnabled)

        {

        data->iLogFile.Close();

        data->iLogEnabled = EFalse;

        }

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

EXPORT_C void CCPDebug::Printf(TRefByValue<const TDesC8> aFormat, ...)

    {

    DebugData* data = Data();

    if(!data || !data->iLogEnabled)

        {

        return;

        }

    TTime now;

    now.UniversalTime();

    TInt32 elapsed = (TInt32)(now.MicroSecondsFrom(data->iFirstUpdateTime).Int64() / KThousand);

    TBuf8<KMemDataSize> memData;

    memData.Format(_L8("% 2d,%03d "), elapsed / KThousand, elapsed % KThousand);

    TBuf8<KBufMaxSize> buf;

    VA_LIST list;

    VA_START(list, aFormat);

    buf.FormatList(aFormat, list);

    VA_END(list);

    buf.Insert(0, memData);

    buf.Append(_L8("\n"));

    data->iLogFile.Write(buf);

    data->iLogFile.Flush();

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

EXPORT_C DebugData* CCPDebug::Data()

    {

    return static_cast<DebugData*>(Dll::Tls());

    }

// End of File