bluetooth/btstack/l2cap/l2capEntityConfig.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 19 Aug 2010 11:01:00 +0300
branchRCL_3
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Revision: 201031 Kit: 201033
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// Copyright (c) 1999-2009 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:
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// Implements the l2cap L2CapEntity Config object owned by the L2CAP linkSignalhandler
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// 
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//
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#include <bluetooth/logger.h>
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#include "l2capEntityConfig.h"
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#include "L2CapChannelConfig.h"
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#include "l2capLinkSignalHandler.h"
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#include "l2util.h"
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#ifdef __FLOG_ACTIVE
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_LIT8(KLogComponent, LOG_COMPONENT_L2CAP);
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#endif
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TL2CAPEntityConfig::TL2CAPEntityConfig(CL2CapLinkSignalHandler& aLinkSH)
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 : iLinkSH(aLinkSH)
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 	{
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 	LOG_FUNC
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 	}
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TInt TL2CAPEntityConfig::PeerL2CapSupportedFeatures(TL2CapEntityInfo& aPeerL2CapEntityInfo )
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/** Returns peer's L2Cap supported features if already received. Otherwise requests peer's L2Cap supported features.
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	Called by the CL2CapSapSignalHandler. If the peer request is necessary, sets link info state to "requested".
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	@internalComponent
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	@param aPeerLinkInfo To be filled with cached peer's L2Cap config info.
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*/
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	{
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	LOG_FUNC
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	TInt rerr = KErrNone;
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	if (iPeerL2CapEntityInfo.LinkInfoState() == EL2CapEntityInfoUndef)
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		{
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		//Ask CL2CapSignalHandler for a InformationRequest
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		iPeerL2CapEntityInfo.SetLinkInfoState(EL2CapEntityInfoRequested);
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		rerr = iLinkSH.ConstructInformationRequest(EExtendedFeaturesSupported);
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		}
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	aPeerL2CapEntityInfo = iPeerL2CapEntityInfo;
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	return rerr;
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	}
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void TL2CAPEntityConfig::UpdatePeerL2CapSupportedFeatures(const TL2CapEntityInfo& aPeerL2CapEntityInfo)
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/** Called by the CL2CapSignalHandler when an information request has been responded to
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	@internalComponent
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	@param aRemoteL2CapEntityInfo Config Info from the remote device's L2Cap.
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*/	
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	{
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	LOG_FUNC
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	iPeerL2CapEntityInfo = aPeerL2CapEntityInfo;
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	iPeerL2CapEntityInfo.SetLinkInfoState(EL2CapEntityInfoDefined);
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	}
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TBool TL2CAPEntityConfig::PeerInfoDefined() const
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	{
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	LOG_FUNC
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	return iPeerL2CapEntityInfo.LinkInfoState() == EL2CapEntityInfoDefined;
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	}
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TBool TL2CAPEntityConfig::GetPeerL2CapEntityInfo(TL2CapEntityInfo& aPeerL2CapEntityInfo) const
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/** A simple getter for peer's L2Cap supported features. No side effects, as opposed
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	to PeerL2CapSupportedFeatures.
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	@internalComponent
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	@param aPeerL2CapEntityInfo To be filled with cached peer's L2Cap config info.
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	@return ETrue if peer's config info is defined (and thus aPeerL2CapEntityInfo will
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	    be filled), EFalse otherwise.
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*/ 
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	{
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	LOG_FUNC
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	if (iPeerL2CapEntityInfo.LinkInfoState() == EL2CapEntityInfoDefined)
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		{
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		aPeerL2CapEntityInfo = iPeerL2CapEntityInfo;
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		return ETrue;
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		}
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	else
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		{
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		return EFalse;
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		}
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	}