// Copyright (c) 2008-2009 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:

//

/**

 @internalComponent

*/

#ifndef CPTPIPPAYLOADREQUEST_H_

#define CPTPIPPAYLOADREQUEST_H_

#include "ptpipdatatypes.h"

/**

 Defines the PTPIP dataset for the ptpip request operation. This is used 

 as the payload in the generic container when the PTPIP request operation is sent. 

 */

class TPTPIPTypeRequestPayload : public TMTPTypeFlatBase

	{

public:

	/**

	 PTPIP operation request dataset element identifiers.

	 */

	enum TElements

		{

		EDataPhase,

		EOpCode,

		ETransactionId,

		EParameter1,

		EParameter2,

		EParameter3,

		EParameter4,

		EParameter5,

		ENumElements

		};

public:

	IMPORT_C TPTPIPTypeRequestPayload();

	IMPORT_C TUint NumParameters() const;

	IMPORT_C void CopyIn(const TMTPTypeFlatBase& aFrom, TUint aParamStartOffset, TUint aParamEndOffSet, TBool aIsNullParamValid, TUint aNumOfNullParam);

	IMPORT_C void CopyOut(TMTPTypeFlatBase& aTo, TUint aParamStartOffset, TUint aParamEndOffset);

public:

	// From TMTPTypeFlatBase

	IMPORT_C void Reset();

	IMPORT_C void SetUint16(TInt aElementId, TUint16 aData);

	IMPORT_C TUint16 Uint16(TInt aElementId) const;

	IMPORT_C void SetUint32(TInt aElementId, TUint32 aData);

	IMPORT_C TUint32 Uint32(TInt aElementId) const;

	IMPORT_C TInt FirstReadChunk(TPtrC8& aChunk) const;

	IMPORT_C TUint64 Size() const;

	IMPORT_C TUint Type() const;

	IMPORT_C TBool CommitRequired() const;

	IMPORT_C MMTPType* CommitChunkL(TPtr8& aChunk);

private:

	// From TMTPTypeFlatBase

	IMPORT_C const TMTPTypeFlatBase::TElementInfo& ElementInfo(TInt aElementId) const;

private:

	/**

	 The dataset size in bytes.

	 */

	static const TInt KSize = 30;

	/**

	 The size of the 3 header elements - data phase, op code and transaction id

	 */

	static const TInt KHeaderElementsSize = 10;

	/**

	 The dataset element metadata table content.

	 */

	static const TMTPTypeFlatBase::TElementInfo iElementMetaData[];

	/**

	 The dataset element metadata table.

	 */

	const TFixedArray<TElementInfo, ENumElements> iElementInfo;

	/**

	 The data buffer.

	 */

	TBuf8<KSize> iBuffer;

	/**

	 The number of parameters(EParameter1 to EParameter5)  in the block which are set.

	 It will be between 1 to 5 and 

	 will never include the count of the first 3 header elements- data phase, op code and tran id.

	 */

//	TUint iNumParameters;

	TUint iMaxSetParam;

	};

#endif /*CPTPIPPAYLOADREQUEST_H_*/