// Copyright (c) 2002-2009 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 "logservpanic.h"

#include "LogServSqlStrings.h"

//

// RMessage::Panic() also completes the message. This is:

// (a) important for efficient cleanup within the kernel

// (b) a problem if the message is completed a second time

//

void PanicClientL(const RMessage2& aMessage, TLogServPanic aPanic)

	{

	aMessage.Panic(KLogServ, aPanic);

	User::Leave(KLogPanicLeave);

	}

void PanicClient(const RMessage2& aMessage, TLogServPanic aPanic)

	{

	aMessage.Panic(KLogServ, aPanic);

	}

#pragma BullseyeCoverage off

void Panic(TLogServPanic aPanic)

	{

	User::Panic(KLogServ, aPanic);

	}

#pragma BullseyeCoverage on

#ifdef LOGGING_ENABLED

const TInt KLogEngLogBufferSize = 256;

void Log::New()

	{

	_LIT(KNewLogText, "===== NEW LOG =====");

	//

	RFileLogger logger;

	TInt ret=logger.Connect();

	if	(ret==KErrNone)

		{

		logger.CreateLog(KLogFolder, KLogFileName, EFileLoggingModeOverwrite);

		logger.Write(KNewLogText);

		}

	logger.Close();

	}

void Log::Write(const TDesC& aText)

	{

	PruneLogFile();

	RFileLogger logger;

	TInt ret=logger.Connect();

	if (ret==KErrNone)

		{

		logger.SetDateAndTime(EFalse,EFalse);

		logger.CreateLog(KLogFolder, KLogFileName,EFileLoggingModeAppend);

		TBuf<KLogEngLogBufferSize> buf;

		// The debug log uses hometime rather than UTC for its timestamps. This is

		// purely a debugging aid.

		TTime now;

		now.HomeTime();

		TDateTime dateTime;

		dateTime = now.DateTime();

		buf.Format(KTimeFormat,dateTime.Hour(),dateTime.Minute(),dateTime.Second(),dateTime.MicroSecond());

		buf.AppendFormat(KTextFormat,&aText);

		logger.Write(buf);

		}

	logger.Close();

	}

void Log::WriteFormat(TRefByValue<const TDesC> aFmt,...)

	{

    VA_LIST list;

    VA_START(list,aFmt);

	PruneLogFile();

	TBuf<2*KLogEngLogBufferSize> buf;

	buf.SetMax();

	buf.FillZ();

	// The debug log uses hometime rather than UTC for its timestamps. This is

	// purely a debugging aid.

	TTime now;

	now.HomeTime();

	TDateTime dateTime;

	dateTime = now.DateTime();

	buf.Format(KTimeFormat,dateTime.Hour(),dateTime.Minute(),dateTime.Second(),dateTime.MicroSecond());

	buf.AppendFormatList(aFmt, list );

	RFileLogger logger;

	TInt ret=logger.Connect();

	if (ret==KErrNone)

		{

		logger.SetDateAndTime(EFalse,EFalse);

		logger.CreateLog(KLogFolder, KLogFileName,EFileLoggingModeAppend);

		logger.Write(buf);

		}

	logger.Close();

	}

void Log::PruneLogFile()

	{

	const TInt KMaxLogSize = 1024 * 500;

	//

	_LIT(KBaseFolder, "_:\\Logs\\");

	TFileName fileName(KBaseFolder);

	fileName[0] = 'A' + static_cast<TInt>(RFs::GetSystemDrive());

	fileName.Append(KLogFolder);

	fileName.Append(KPathDelimiter);

	fileName.Append(KLogFileName);

	//

	RFs fsSession;

	if	(fsSession.Connect() == KErrNone)

		{

		TEntry entry;

		if	(fsSession.Entry(fileName, entry) == KErrNone)

			{

			// Check size and delete if its too big

			if	(entry.iSize >= KMaxLogSize)

				{

				TInt fileDeleteErr=fsSession.Delete(fileName);

				// If a debug build - record error

				#ifdef _DEBUG

				if (fileDeleteErr != KErrNone)

					{

					RDebug::Print(_L("Log::PruneLogFile - Failed to delete file. Error = %d"), fileDeleteErr);

					}

				#else

					(void)fileDeleteErr;

				#endif

				}

			}

		}

	fsSession.Close();

	}

#endif