commsfwutils/commsbufs/mbufgobblerlayer/inc/mbufgobblerproviderselector.h
author hgs
Thu, 23 Sep 2010 10:22:55 +0100
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// Copyright (c) 2010 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:
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// MbufGobbler selector. Used by the Tier Manager to select the access point below
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//  (management plane)
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//
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//
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//  This is a 3-plane comms layer implementation example, which has been customised to be a test layer which gobbles and releases ESOCK MBUFs.
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//  The MBuf gobbling functionality can be disabled by undefining the macro SYMBIAN_COMMSFW_MBUF_GOBBLER which is specified in mbufgobblerproviders.mmp.
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//  When SYMBIAN_COMMSFW_MBUF_GOBBLER is undefined, the source code specified by mbufgobblerproviders.mmp becomes a pass through layer i.e. it passes the data
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//  through to the layer above or below without altering it. This makes it useful as a starting point for implementing your own layers / providers;
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//  useful documentation on how to customise your own passthrough layer can be found in ..\docs\MbufGobblerLayer.doc
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//
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/**
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 @file
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 @internalComponent
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*/
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#ifndef MBUFGOBBLERPROVIDERSELECTOR_H
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#define MBUFGOBBLERPROVIDERSELECTOR_H
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// INCLUDES
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#include <e32std.h>
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#include <e32base.h>
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#include <comms-infras/simpleselectorbase.h>
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// CLASS DECLARATION
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/**
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 *  CMbufGobblerProviderSelector
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 *  
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 *  This is basically copied from other selector examples I culd find. Specifically I have used the
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 *  CBtGenericProviderSelector as a template.
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 * 
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 */
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class CMbufGobblerProviderSelector : public CBase, private ASimpleSelectorBase
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	{
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public:
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	static ESock::MProviderSelector* NewL(const Meta::SMetaData& aSelectionPreferences);
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private:
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	CMbufGobblerProviderSelector(const Meta::SMetaData& aSelectionPreferences);
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	~CMbufGobblerProviderSelector();
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	// From MProviderSelector
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	virtual void SelectL(ESock::ISelectionNotify& aSelectionNotify);
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	virtual void Destroy();
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	ESock::CMetaConnectionProviderBase* FindOrCreateProviderL(TUint aAccessPoint);
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private:
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	ESock::TSelectionPrefs iSelectionPreferences;
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	TUint32 iTier;
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	};
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#endif // MBUFGOBBLERPROVIDERSELECTOR_H