// 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