/*

* Copyright (c) 2007 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:  Global services for LBT server logic

*

*/

// INCLUDE FILES

#include <lbterrors.h>

#include "lbtglobal.h"

#include "lbtlogger.h"

// ================= LOCAL FUNCTIONS =======================

TInt DataSizeL(

    const RMessage2& aMessage, 

    const TInt aClientBufferParam)

    {

    FUNC_ENTER("LbtGlobal::DataSizeL");

    TInt dataSize = aMessage.GetDesLength(aClientBufferParam);

    if (dataSize < 0)

        {

        User::Leave(KErrBadDescriptor);

        }

    return dataSize;

    }

// ================= MEMBER FUNCTIONS =======================

// ---------------------------------------------------------

// LbtGlobal::Write

// ---------------------------------------------------------

//

TInt LbtGlobal::Write(const RMessage2& aMessage,

               	      const TInt aParam,

               	      const TDesC8& aDes,

               	      TInt aOffset)

	{

	FUNC_ENTER("LbtGlobal::Write");

	TInt ret = aMessage.Write(aParam, aDes, aOffset);

	if (ret != KErrNone)

        {

        aMessage.Panic(KLbtClientPanicCategory, KErrBadDescriptor);

        }

    return ret;

	}

// ---------------------------------------------------------

// LbtGlobal::Read

// ---------------------------------------------------------

//

TInt LbtGlobal::Read(const RMessage2& aMessage,

	                 const TInt aParam,

	                 TDes8& aDes,

	                 TInt aOffset)

    {

    FUNC_ENTER("LbtGlobal::Read");

	TInt ret = aMessage.Read(aParam, aDes, aOffset);

    if (ret != KErrNone)

        {

        aMessage.Panic(KLbtClientPanicCategory, KErrBadDescriptor);

        }

    return ret;

    }

// ---------------------------------------------------------

// LbtGlobal::RequestComplete

// ---------------------------------------------------------

//

void LbtGlobal::RequestComplete(const RMessage2& aMessage, TInt aError)

	{

	FUNC_ENTER("LbtGlobal::RequestComplete");	

	if(!aMessage.IsNull())	

		{

		// Complete the IPC message only if it is a valid message.

		aMessage.Complete(aError);

		}

	}

// ---------------------------------------------------------

// LbtGlobal::CopyClientBuffer8LC

// ---------------------------------------------------------

//

HBufC8* LbtGlobal::CopyClientBuffer8LC( const RMessage2& aMessage, 

									    const TInt aClientBufferParam)

    {

    FUNC_ENTER("LbtGlobal::CopyClientBuffer8LC");

    if( aMessage.IsNull() )	

		{

		return NULL;

		}

    // Create an empty server side buffer that will contain client data

    TInt dataSize = DataSizeL(aMessage, aClientBufferParam);

    HBufC8* buffer = HBufC8::NewLC(dataSize);

    // Populate server side buffer with client data

    TPtr8 ptrToBuf = buffer->Des();

    TInt retVal = LbtGlobal::Read(aMessage, aClientBufferParam, ptrToBuf);

    if(retVal != KErrNone)

    	{

    	User::Leave(KErrBadDescriptor);

    	}

    return buffer;

    }

// end of file