// Copyright (c) 2006-2009 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:

// Definition of network request channel component.

// 

//

/**

 @file

 @internalTechnology

 @released

*/

#ifndef REQUESTMESSGAEBUFFER_H_

#define REQUESTMESSGAEBUFFER_H_

#include <e32hashtab.h>

#include "lbsnrhngmsgs.h"

#include "lbsnetinternalapi.h"

/** Buffer used by CNetworkRequestChannel and CPsyRequestChannel for non-emergency requests.

LBS processes location and privacy requests and buffers them dynamically

when an outstanding request is being processed by the NRH.

This buffer allocates memory at run-time, making it unsafe in an OOM

situation.

*/

class CRequestMessageBuffer : public CBase

	{

public:

	static CRequestMessageBuffer* NewL();

	~CRequestMessageBuffer();

	TInt BufferMessage(const TLbsNetInternalMsgBase& aMessage);

	const TLbsNetInternalMsgBase* PeekNextMessage();

	void RemoveMessage(const TLbsNetInternalMsgBase* aMessage);

	static TBool IsMsgTypeEqual(

			const TLbsNetInternalMsgBase::TLbsNetInternalMsgType* aType, 

			const TLbsNetInternalMsgBase& aData);

	static TBool IsMsgEqual(

			const TLbsNetInternalMsgBase& aData1, 

			const TLbsNetInternalMsgBase& aData2);

private:

	CRequestMessageBuffer() {}

	CRequestMessageBuffer(const CRequestMessageBuffer&);

	void ConstructL();

private:

	RPointerArray<TLbsNetInternalMsgBase> iBuffer;

	};

#endif // REQUESTMESSGAEBUFFER_H_