// 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 <f32file.h> // for TParse, in Flogger stuff

#include <e32std.h>

#include "timerlogger.h"

#define KTestHeader				_L8("HTTP PERFORMANCE LOGGER\n\n\n")

#define KTestLogs				_L8("TEST NAME,METHOD NAME,TIME IN MICROSECONDS\n\n")

#define KTestCommentPrepend		_L("\t")

_LIT(KFileName, "c:\\logs\\http\\peformance_logger.csv");

_LIT(KFilePath, "c:\\logs\\http\\");

#define KMaxLogLineLength 128

/**

 Destructor

*/

EXPORT_C TTimerLogger::~TTimerLogger()

	{

#if defined (__LOG_PERFORMANCE) && !defined (_DEBUG)

	iFile.Close();

	iFs.Close();

#endif

	}

void TTimerLogger::LogIt(const TDesC& aComment)

	{

	TInt err = iFs.Connect();

	if(err == KErrNone)

		{

		iFs.MkDirAll(KFilePath);

		err = iFile.Open(iFs, KFileName, EFileWrite);

		if(err == KErrNotFound)

			{

			iFile.Create(iFs, KFileName, EFileWrite);

			iFile.Write(KTestHeader);

			iFile.Write(KTestLogs);

			}

		TFileText file;

	    file.Set(iFile);

		file.Write(aComment);

		iFile.Close();

		iFs.Close();

		}

	else	

		{

		User::InfoPrint(_L("Cannot write to file"));

		}

	}

/** 

    Initiates the timer

*/

EXPORT_C void TTimerLogger::StartTimer()

	{

	#if defined (__LOG_PERFORMANCE) && !defined (_DEBUG)

	iStartTime.UniversalTime();

	#endif

	}

/** 

  Terminates the timer

  @param aComment Name of API.

*/

EXPORT_C void TTimerLogger::EndTimer(const TDesC& aComment)

	{

    #if defined (__LOG_PERFORMANCE) && !defined (_DEBUG)

	iEndTime.UniversalTime();

	TTimeIntervalMicroSeconds iTimeDifference = iEndTime.MicroSecondsFrom(iStartTime);	

	_LIT(KTimeDiff, ",%d microseconds\n");

	RBuf myBuf;

	myBuf.Create (aComment.Length()+64);

	myBuf.Append (aComment );

	myBuf.AppendFormat(KTimeDiff, iTimeDifference.Int64());

    LogIt(myBuf);

	myBuf.Close();	

	iStartTime = 0;

	iEndTime = 0;

	#endif

	}

/** Methods from TDesOverflow

	@param aDes modifiable descriptor whose overflow results in the call to this overflow handler.

*/

EXPORT_C void TTimerLogger::Overflow(TDes& aDes)

	{

	#if defined (__LOG_PERFORMANCE) && !defined (_DEBUG)

	// Overflow has occured - end log line with '...'

	_LIT(KErrOverflowMsg, "...");

	if( aDes.MaxLength() >= KErrOverflowMsg().Length() + aDes.Length() )

		aDes.Append(KErrOverflowMsg);

	#endif

	}

/**

 Displays the test case name

 @param aComment Name of API.

*/

EXPORT_C void TTimerLogger::TestName(const TDesC& aComment)

	{

	#if defined (__LOG_PERFORMANCE) && !defined (_DEBUG)

    LogIt(aComment);

	#endif

	}