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/**
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* Copyright (c) 2006-2009 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 the License "Symbian Foundation License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.symbianfoundation.org/legal/sfl-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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*/
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/**
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@file
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@internalTechnology
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@released
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*/
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#ifndef LBS_LOG_WRITER_ENGINE_H
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#define LBS_LOG_WRITER_ENGINE_H
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#include <e32base.h>
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#include <lbslogevent.h>
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enum TLbsLogEventType
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/**
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enum for type of LbsLogging event handled by Lbs Logging Engine
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*/
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{
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ELbsLogNoEvent = 0,
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ELbsLogAddEvent,
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ELbsLogUpdateEvent
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};
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typedef TUint32 TLbsLogWriterEventTypeGroup;
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enum TLbsLogWriterEventTypes
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{
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ELbsNoEventType = 0x00000000,
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ELbsSelfLocateEventType = 0x00000001,
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ELbsExternalLocateEventType = 0x00000002,
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ELbsTransmitLocationEventType = 0x00000004,
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ELbsNetworkLocateEventType = 0x00000008,
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ELbsAssistanceDataEventType = 0x00000010
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};
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class CLbsLogWriterEngine : public CActive
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/**
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Active class which does the logging of LBS events. When it receives a new event,
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if it isn't processing anything it starts logging that event, otherwise it elaves it
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on a waiting queue.
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*/
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{
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public:
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static CLbsLogWriterEngine* NewL(TUint aMaxBufferSize);
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~CLbsLogWriterEngine();
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TInt AddEventL(CLbsLogEvent& aLogEvent);
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TInt UpdateEventL(CLbsLogEvent& aLogEvent);
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// Start to log the event request asyn
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TInt StartAddingEventType(CLogEventType& aType);
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private:
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CLbsLogWriterEngine(TUint aMaxBufferSize);
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void ConstructL();
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// Start to log the event request asyn
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void StartLoggingEventL(CLbsLogEvent& aLogEvent);
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void InitialiseLogEventTypeL(CLbsLogEvent& aLogEvent);
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void AddLogEventToQueueL(CLbsLogEvent& aLogEvent);
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private: // from CActive
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void RunL();
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void DoCancel();
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TInt RunError(TInt aError);
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private:
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/** The maximum numer of events that can be queued */
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TUint iMaxBufferSize;
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/** Flag indicating if there is an ID available of the last logged event */
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TBool iLastLogIdAvailable;
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/** The ID of the last logged event */
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TLogId iLastLogId;
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/** The array with the queued events */
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RPointerArray<CLbsLogEvent> iLogEvents;
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/** The array with the queued event types */
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RArray<TLbsLogEventType> iLogEventTypes;
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/** Current processing event type */
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TLbsLogEventType iLastLogEventType;
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/** Bitmask listing which event types have already been added */
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TLbsLogWriterEventTypeGroup iInitLogEventTypes;
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/** The event type currently being logged */
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CLogEventType* iEventTypeBeingLogged;
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/** Flag indicating if an event type is currently being added */
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TBool iLogEventTypeInit;
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/** The event that is being logged now */
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CLogEvent* iEventBeingLogged;
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/***/
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TBool iLoggingType;
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/** Handle to the db file file sesstion */
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RFs iFs;
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/** CLogClient handler */
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CLogClient* iClient;
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__DECLARE_TEST; // Declaration for the invariant
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}; // class CLbsLogWriterEngine
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#endif // LBS_LOG_WRITER_ENGINE_H
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