bluetooth/btsdp/agent/engine.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 15 Jan 2010 08:13:17 +0200
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// Copyright (c) 2000-2009 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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//
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#ifndef BTSDPAGENTENGINE_H
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#define BTSDPAGENTENGINE_H
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#include <e32base.h>
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#include <bttypes.h>
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#include <btsdp.h>
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#include "agtypes.h"
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class CSdpAttrBuilder;
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class CSdpRequesterBase;
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class CSdpAttributeRequester;
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class CSdpSearchRequester;
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/**
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   Engine that actually implements the CSdpAgent facade funtionality.
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**/
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NONSHARABLE_CLASS(CSdpAgentEng) : public CBase
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	{
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friend class CSdpAttributeRequester;
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friend class CSdpSearchRequester;
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public:
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	static CSdpAgentEng* NewL(MSdpAgentNotifier& aNotifier, TBTDevAddr aDevAddr);
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	void ConstructL();
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	~CSdpAgentEng();
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	void SetRecordFilterL(const CSdpSearchPattern& aUUIDFilter);
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	void NextRecordRequestL();
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	void AttributeRequestL(TSdpServRecordHandle aHandle, 
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						   const CSdpAttrIdMatchList& aMatchList);
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	void AttributeRequestL(MSdpElementBuilder* aBuilder,
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		                   TSdpServRecordHandle aHandle, 
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						   const CSdpAttrIdMatchList& aMatchList);
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	void Cancel();
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private:
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	// upcalls from requesters AOs. Not exported
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	void HandleServiceSearchResponseL(TUint16 aTotalRecCount,
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									 TUint16 aCurrentRecCount,
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									 const TDesC8& aRecHandles,
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									 const TDesC8& aContState);
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	void HandleServiceSearchError(TInt aError);
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	void HandleAttributeResponseL(const TDesC8& aAttributeList, 
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								  const TDesC8& aContState);
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	void HandleAttributeError(TInt aError);
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	void SendAttributeRequestL();
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	TBool TryToCompleteNextRecordRequest();
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	 //FIXME: do we need this or do we search?
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	CSdpAgentEng(MSdpAgentNotifier& aNotifier, TBTDevAddr aDevAddr);
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	void ResetForNewAttributeRequest();
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	void ResetForNewRecordRequest();
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private:
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	enum TServiceSearchState
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		{
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		EIdle,
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		ERequesting,
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		EResultsReceived
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		};
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	TContState iSearchRequestContState;
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	CSdpSearchPattern* iUUIDFilter;
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	CArrayFix<TSdpServRecordHandle>* iBuiltRecHandles;
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	TInt iNextRecHandle;
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	TInt iTotalRecCount;
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	TServiceSearchState iServiceSearchState;
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	TBool iCancelCalled;
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	TSdpServRecordHandle iAttributeRequestHandle;
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	TContState iAttributeRequestContState;
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	CSdpAttrIdMatchList* iMatchList;
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	CSdpAttrBuilder* iDefaultAttributeBuilder;
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	CElementParser* iParser;
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	MSdpAgentNotifier& iNotifier;
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	TBTDevAddr iRemoteAddress;
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	RSdpSession iSdpSession;
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	CSdpSearchRequester* iSearchRequester;
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	CSdpAttributeRequester* iAttributeRequester;
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	};
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#endif