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/*
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* Copyright (c) 2007 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 "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: Implements logging SAPI deligator class.
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*
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*/
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#include <e32def.h>
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#include <logwrap.h>
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#include <logcli.h>
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#include "logiter.h"
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#include "loggingservice.h"
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#include "loggingasyncservice.h"
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#include "loggingsyncservice.h"
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#include "loggingevent.h"
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#include "loggingfilter.h"
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#include "loggingcallbackslot.h"
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/**
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* Default Constructor Method
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*/
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CLoggingService :: CLoggingService()
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{
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}
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/**
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* Default Destructor
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*/
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CLoggingService :: ~CLoggingService()
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{
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/**
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* Iterate through the registration table and
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* cancel and delete any outstanding async request
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*/
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for(TInt iter = 0 ; iter < iRegTable.Count() ; ++iter)
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{
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delete iRegTable[iter] ;
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}
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delete iLogService;
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delete iSapiEvent;
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iRegTable.Close() ;
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}
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/**
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*Two phased constructor implementation
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*/
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EXPORT_C CLoggingService* CLoggingService :: NewL()
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{
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CLoggingService* self = CLoggingService::NewLC();
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CleanupStack::Pop(self);
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return self;
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}
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/**
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* Two phased constructor implementation
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*/
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CLoggingService* CLoggingService :: NewLC()
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{
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CLoggingService* self = new (ELeave) CLoggingService();
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CleanupStack::PushL(self);
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self->ConstructL();
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return self;
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}
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/**
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* This function constructs the member elements of CLogsEvent Class
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*/
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void CLoggingService:: ConstructL()
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{
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iSapiEvent = CLogsEvent :: NewL();
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iLogService = CLogSyncService :: NewL();
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}
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/**
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* Adds an event to the event database synchronously
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* @parm Details of the event to be logged
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*/
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EXPORT_C TLogId CLoggingService :: AddEventL( CLogsEvent* aSapiEvent )
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{
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//Check The registration Table, and make sure that no async
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// Request is pending
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return iLogService->AddL(aSapiEvent->getEvent());
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}
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/**
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* Async AddEvent function. adds an Event asynchronously
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* do event database
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* @param aEvent, details of the event to be added to the
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* event database
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*/
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EXPORT_C TInt CLoggingService :: AddEventL( TUint aTransId ,
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CLogsEvent* aSapiEvent ,
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MLoggingCallback* aCallback )
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{
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CLogAsyncService *LogAsyncService = CLogAsyncService :: NewL(aCallback) ;
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LogAsyncService->AddL( aTransId ,aSapiEvent->getEvent());
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CCallbackSlot *LogSlot = CCallbackSlot :: NewL() ;
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LogSlot->SetUid(aTransId) ;
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LogSlot->SetActiveObj(LogAsyncService) ;
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iRegTable.Append(LogSlot) ;
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return KErrNone ;
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}
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/**
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* Deletes an event from the event database synchronously
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* @parm Details of the event to be logged
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* @param aFilter, search criteria for this event in event database
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*/
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EXPORT_C TInt CLoggingService :: DeleteEventL( TLogId aLogId )
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{
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return iLogService->Delete(aLogId);
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}
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/**
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* Deletes a event from the event database
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* @param aLogId Event id of the event in the database
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* @param aFilter, search criteria for this event in event database
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*/
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EXPORT_C void CLoggingService :: DeleteEventL( TUint aTransId ,
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TLogId aLogId,
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MLoggingCallback* aCallback )
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{
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CLogAsyncService *LogAsyncService = CLogAsyncService :: NewL(aCallback) ;
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LogAsyncService->Delete(aTransId ,aLogId);
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CCallbackSlot *slot = CCallbackSlot :: NewL() ;
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slot->SetUid(aTransId) ;
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slot->SetActiveObj(LogAsyncService) ;
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iRegTable.Append(slot) ;
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}
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/**
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* Gets the event list from events from the log database synchronously
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*
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* @param aLogId Event id of the event in the database
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* @param aFilter, search criteria for this event in event database
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*
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* Returns the iterator
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*/
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EXPORT_C CLogIter* CLoggingService :: GetListL( CLogsFilter* aFilter )
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{
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CLogIter* iter=NULL ;
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switch(aFilter->GetRequestType())
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{
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case EReadEvents :
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{
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iter = iLogService->GetListL(aFilter->getFilter()) ;
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break ;
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}
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case EGetEvent :
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{
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CLogsEvent *event = aFilter->GetEvent() ;
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iter = iLogService->GetEventL(event->getEvent()) ;
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if(iter )
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{
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iter->SetEventL(event) ;
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}
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break ;
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}
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case EGetRecent :
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{
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iter = iLogService->ReadRecentEventsL( aFilter->GetRecentList(), aFilter->getFilter() ) ;
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break ;
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}
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default :
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{
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User :: Leave(KErrArgument) ;
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}
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}
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return iter ;
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}
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/**
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* Gets the event list from events from the log database asynchronously
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*
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* @param aTransId, transactionid of the async event
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* @param aFilter, search criteria for this event in event database
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* @param aCallback, call back address
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*/
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EXPORT_C TInt CLoggingService :: GetListL( TUint aTransId ,
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CLogsFilter* aFilter ,
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MLoggingCallback* aCallback )
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{
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CLogAsyncService* LogAsyncService = CLogAsyncService :: NewL(aCallback) ;
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/**
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* Parse the request type and issue the request to loggingservice
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* class accordingly
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*/
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switch(aFilter->GetRequestType())
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{
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case EReadEvents :
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{
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LogAsyncService->GetListL(aTransId , aFilter->getFilter()) ;
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break ;
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}
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case EGetEvent :
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{
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CLogsEvent *event = aFilter->GetEvent() ;
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LogAsyncService->GetEventL(aTransId , event->getEvent()) ;
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break ;
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}
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case EGetRecent :
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{
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LogAsyncService->ReadRecentEventsL(aTransId , aFilter->GetRecentList(), aFilter->getFilter()) ;
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break ;
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}
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default :
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{
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User :: Leave(KErrArgument) ;
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}
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}
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CCallbackSlot *slot = CCallbackSlot :: NewL() ;
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slot->SetActiveObj(LogAsyncService) ;
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slot->SetUid(aTransId) ;
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iRegTable.Append(slot);
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return KErrNone ;
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}
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/**
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* Notifies the updates happening to the log database
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*
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* @param aDelay, notification interval.
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*/
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EXPORT_C TInt CLoggingService :: NotifyUpdatesL( TUint aUid ,
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TTimeIntervalMicroSeconds32 aDelay ,
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MLoggingCallback *aCallback )
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{
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CLogAsyncService *AsyncService = CLogAsyncService :: NewL(aCallback);
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AsyncService->SetInterval(aDelay) ;
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AsyncService->NotifyUpdates(aUid ,aDelay) ;
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CCallbackSlot *slot = CCallbackSlot :: NewL() ;
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slot->SetActiveObj(AsyncService) ;
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slot->SetUid(aUid) ;
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iRegTable.AppendL(slot) ;
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return KErrNone ;
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}
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/**
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* CancelServiceL, cancels the on going service
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* @param aTransid
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*/
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EXPORT_C TInt CLoggingService :: CancelServiceL( TUint aTransid )
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{
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for(TInt iterator = 0 ; iterator < iRegTable.Count() ; ++iterator)
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{
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if((iRegTable[iterator]->getUid()) == aTransid)
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{
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(iRegTable[iterator])->GetActiveObj()->Cancel() ;
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delete iRegTable[iterator];
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iRegTable[iterator]=NULL;
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iRegTable.Remove( iterator );
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iRegTable.Compress();
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return KErrNone ;
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}
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}
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return KErrNotFound ;
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}
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