/*

* Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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 "ct/logger.h"

#include <f32file.h>

#if defined(_DEBUG) && defined(__CT_LOGGING__)

_LIT(KLogFilename, "\\logs\\security\\cryptotokens.txt");	

_LIT(KIndent, "  ");

_LIT8(KNewLine, "\r\n");

#define MAX_LEN 128

static TInt Indent()

	{

	return reinterpret_cast<TInt>(Dll::Tls());

	}

static void SetIndent(TInt aIndent)

	{

	Dll::SetTls(reinterpret_cast<TAny*>(aIndent));

	}

EXPORT_C void CTLogger::Log(TAny* aObject, TRefByValue<const TDesC16> aFmt, ...)

	{

	TBuf<MAX_LEN> data;

	data.AppendFormat(_L("%08x: "), aObject);

	for (TInt i = 0 ; i < Indent() ; ++i)

		{

		data.Append(KIndent);

		}

	VA_LIST args;

	VA_START(args, aFmt);

	data.AppendFormatList(aFmt, args);

	VA_END(args);

	TRAPD(err, LogL(data));

	ASSERT(err == KErrNone);

	}

EXPORT_C void CTLogger::UpdateIndent(TInt aInc)

	{

	TInt newIndent = Indent() + aInc;

	ASSERT(newIndent >= 0);

	SetIndent(newIndent);

	}

void CTLogger::LogL(const TDesC& aString)

	{

	// Open the file server and file

	RFs fs;

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

	CleanupClosePushL(fs);

	// Open the file or create it if doesn't exist, create it

	RFile file;

	TDriveUnit sysDrive (fs.GetSystemDrive());

	TBuf<128> logFile (sysDrive.Name());

	logFile.Append(KLogFilename);

	TInt error = file.Open(fs, logFile, EFileWrite|EFileShareAny);

	if (error == KErrNotFound)

		{

		error = file.Create(fs, logFile, EFileWrite|EFileShareAny);

		}

	User::LeaveIfError(error);

	CleanupClosePushL(file);

	// Seek to the end of the file

	TInt tmp = 0;

	file.Seek(ESeekEnd, tmp);

	// And do some logging

	TBuf8<MAX_LEN> buf;

	buf.Copy(aString);

	file.Write(buf);

	file.Write(KNewLine);

	// Close and tidy up

	CleanupStack::PopAndDestroy(2, &fs);

	}

#else

EXPORT_C void CTLogger::Log(TAny* /*aObject*/, TRefByValue<const TDesC16> /*aFmt*/, ...)

	{

	User::Invariant();

	}

EXPORT_C void CTLogger::UpdateIndent(TInt /*aInc*/)

	{

	User::Invariant();

	}

#endif