// 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 "LogServCacheConfig.h"

#include "LOGQUERY.H"

#include "logservpanic.h"

#include "LogServDatabaseTransactionInterface.h"

/////////////////////////////////////////////////////////////////////////////////////////

// -----> CLogServCacheConfig (source)

/////////////////////////////////////////////////////////////////////////////////////////

CLogServCacheConfig::CLogServCacheConfig(MLogServDatabaseTransactionInterface& aDatabase)

:	iDatabase(aDatabase)

	{

	}

CLogServCacheConfig::~CLogServCacheConfig()

	{

	}

void CLogServCacheConfig::ConstructL()

	{

	ReadL();

	}

CLogServCacheConfig* CLogServCacheConfig::NewL(MLogServDatabaseTransactionInterface& aDatabase)

	{

	CLogServCacheConfig* self = new(ELeave) CLogServCacheConfig(aDatabase);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

/**

Get the current configuration

*/

const TLogConfig& CLogServCacheConfig::Config() const

	{

	return iConfig;

	}

/**

Update the config table

*/

void CLogServCacheConfig::UpdateL(const TLogConfig& aConfig)

	{

    RLogConfigDbTable tbl;

    tbl.OpenLC(iDatabase.DTIDatabase());

    if(!tbl.FirstL())

        {

        User::Leave(KErrNotFound);

        }

    tbl.UpdateL();

    tbl.SetColL(RLogConfigDbTable::iAgeColNo, aConfig.iMaxEventAge);

    tbl.SetColL(RLogConfigDbTable::iSizeColNo, aConfig.iMaxLogSize);

    tbl.SetColL(RLogConfigDbTable::iRecentColNo, aConfig.iMaxRecentLogSize);

    tbl.PutL();

    CleanupStack::PopAndDestroy(&tbl);

    iRequestedConfiguration = aConfig;

    iInTransaction = ETrue;

	}

/**

Commit the requested configuration

*/

void CLogServCacheConfig::Commit()

    {

    __ASSERT_ALWAYS(iInTransaction, Panic(ELogCacheConfigNotInTransaction));

    iConfig = iRequestedConfiguration;

    iInTransaction = EFalse;

    }

/////////////////////////////////////////////////////////////////////////////////////////

/////////////////////////////////////////////////////////////////////////////////////////

/////////////////////////////////////////////////////////////////////////////////////////

void CLogServCacheConfig::ReadL()

	{

	RLogConfigDbTable tbl;

	tbl.OpenLC(iDatabase.DTIDatabase(), RDbRowSet::EReadOnly);

	if(!tbl.FirstL())

		{

		User::Leave(KErrNotFound);

		}

	__ASSERT_ALWAYS(tbl.CountL() == 1, Panic(ELogTooManyRows4));

	tbl.GetL();

	iConfig.iMaxEventAge = tbl.ColUint32(RLogConfigDbTable::iAgeColNo);

	iConfig.iMaxLogSize = tbl.ColUint16(RLogConfigDbTable::iSizeColNo);

	iConfig.iMaxRecentLogSize = tbl.ColUint8(RLogConfigDbTable::iRecentColNo);

	CleanupStack::PopAndDestroy(&tbl);

	}