commsfwutils/commsbufs/inc/commsbufpondop.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 14 Sep 2010 23:38:38 +0300
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// Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors: 
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//
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// Description: Operator to create the pond and the accessor of the pond 
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// from TLS
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//
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#ifndef __COMMSBUFPONDINTERNALOP_H__ 
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#define __COMMSBUFPONDINTERNALOP_H__ 
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#include <e32base.h>
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#include <comms-infras/commsbufpond.h>
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/**
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Pool creation information. Typically read from the c32start.ini file
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@publishedPartner
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*/
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struct TCommsBufPoolCreateInfo
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	{
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	TInt	iBufSize;			// Buffer size for the pool
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	TInt	iInitialBufs;		// No. of buffers initially allocater buffers
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	TInt	iGrowByBufs;		// The minimum number of buffers that the pool will grow by
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	TInt	iMinFreeBufs;		// Minimum no. of free bufs. If the value falls below this number
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								// the buffer manager system will grow.
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	TInt	iCeiling;			// Pool ceiling. Maximum no. of buffers the pool can have.
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	TInt	iAlignment;			// Alignment
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	};
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/**
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Operator to initialize the pond with the given pool info and destruct the
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pond.
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@internalTechnology
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*/
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class RCommsBufPondOp : public RCommsBufPond
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	{
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	public:
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	IMPORT_C RCommsBufPondOp ();
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	IMPORT_C TInt Open(RArray<TCommsBufPoolCreateInfo>& aPoolInfo, TInt aMaxMBufSize =0);
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	IMPORT_C void Close();	
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	};
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/**
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Accessor to set and get the comms buf pond from the TLS
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@internalTechnology 
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 */
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class TCommsBufPondTLSOp
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	{
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	public:
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	inline TCommsBufPondTLSOp(RCommsBufPond& aPond);
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	IMPORT_C void Set();
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	IMPORT_C static RCommsBufPond Get(); 
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	private:
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	RCommsBufPond& iPond;
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	};
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#include <comms-infras/commsbufpondop.inl>
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#endif // __COMMSBUFPONDOP_H__
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