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// Copyright (c) 2005-2009 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 "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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// A helper test driver for testing Kernel Performance Logger implementation.
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//
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//
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/**
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@file
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*/
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#include "d_perflogger_ldd.h"
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#include <kernperflogger.h>
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//-----------------------------------------------------------------------------------
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DKPLoggerTestHelperLDD* DKPLoggerTestHelperLDD::pSelf = NULL; //-- static pointer to the single instance of the logical channel class
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//-----------------------------------------------------------------------------------
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DLogTicker::DLogTicker() : iTimer(LogTimerCallback,this) //-- initialize log events generator
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{
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iLogDFC = NULL;
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iRequest = NULL;
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iUserThreadContext = NULL;
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}
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DLogTicker::~DLogTicker()
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{
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Cancel(); //-- cancel user request, DFC, timers etc.
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Kern::DestroyClientRequest(iRequest);
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delete iLogDFC;
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}
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//-----------------------------------------------------------------------------------
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/**
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Construct ticker object. Creates appropriate TDfc object for dealing with IDFC or DFC
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@param apUserThreadContext pointer to the user thread context where the request will be completed in
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@param apDfcQ pointer to the DFC queue this object will be using.
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@param aLogContext specfies the context (ISR, DFC or IDFC) the logging will be made from. Can be NKern::EIDFC, NKern::EThread, NKern::EInterrupt
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*/
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void DLogTicker::Construct(DThread* aUserThreadContext, TDfcQue* aDfcQ, NKern::TContext aLogContext)
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{
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__NK_ASSERT_DEBUG(aUserThreadContext && aDfcQ);
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iLogContext = aLogContext;
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if(aLogContext == NKern::EIDFC)
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{//-- we will deal with IDFC, create appropriate DFC object
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iLogDFC = new TDfc(LogDFC, this);
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}
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else
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{
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if(aLogContext == NKern::EThread || aLogContext == NKern::EInterrupt)
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{//-- we will deal with DFC or ISR
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iLogDFC = new TDfc(LogDFC, this, aDfcQ, 0);
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}
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else
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{//-- wrong value
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__PRINT("#KPLogTest:DLogTicker::Construct() wrong context request !");
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__NK_ASSERT_DEBUG(0);
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}
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}
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__NK_ASSERT_ALWAYS(iLogDFC);
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TInt r = Kern::CreateClientRequest(iRequest);
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__NK_ASSERT_ALWAYS(r == KErrNone);
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iUserThreadContext = aUserThreadContext; //-- store user thread context co complete requests correctly
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// iLogDFC->SetDfcQ(aDfcQ); //-- attach to the given DFC queue. !!!!DON'T DO THIS FOR IDFC!!!!!
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}
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//-----------------------------------------------------------------------------------
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/**
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Start the state machine by scheduling a DFC (or IDFC)
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@param apLogControl log parameters structure
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@param apRqStat pointer to the user request staus object that will be completed when all loggings done.
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*/
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void DLogTicker::Start(const TTestLogCtrl* aLogControl, TRequestStatus* aRqStat)
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{
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__NK_ASSERT_DEBUG(aLogControl && aRqStat && iLogDFC);
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kumemget32(&iLogControl, aLogControl, sizeof(TTestLogCtrl)); //-- copy control structure from the user side
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__NK_ASSERT_DEBUG(iLogControl.iLogsNum>=0);
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__PRINT1("#KPLogTest:DLogTicker::Start() for %d loggings",iLogControl.iLogsNum);
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if (iRequest->SetStatus(aRqStat) != KErrNone)
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{//-- current request is pending, panic client thread
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__PRINT("#KPLogTest:DLogTicker::Start() request is already pending !");
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Kern::PanicCurrentThread(KPLoggerHelperTestDrv, EReqAlreadyPending);
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}
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if(iLogContext == NKern::EIDFC)
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{//-- DLogTicker::LogDFC() will be called as IDFC
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NKern::Lock();
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iLogDFC->Add(); //-- start
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NKern::Unlock();
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}
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else
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{//-- DLogTicker::LogDFC() will be called as DFC
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iLogDFC->Enque(); //-- start
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}
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}
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//-----------------------------------------------------------------------------------
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/**
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Complete the user request when all logging done.
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This can be called from 2 concurrent places - DFC & NTimer callback, either of them can complete the request
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@param aCompletionCode request completion code
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*/
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void DLogTicker::CompleteRequest(TInt aCompletionCode/*=KErrNone*/)
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{
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Kern::QueueRequestComplete(iUserThreadContext, iRequest, aCompletionCode);
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}
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//-----------------------------------------------------------------------------------
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/**
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Cancel everything
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*/
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void DLogTicker::Cancel(void)
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{
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CompleteRequest(KErrCancel); //-- cancel user request
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iLogControl.iLogsNum = 0; // Prevent DFC from restarting the timer
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iTimer.Cancel(); //-- cancel Timer
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iLogDFC->Cancel(); //-- cancel DFC
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}
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//-----------------------------------------------------------------------------------
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/**
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Ticker timer callback. Can be called in ISR or DFC context.
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If called in ISR context, makes logging, and schedules a DFC to complete the request if needed.
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If called in DFC context, makes logging for DFC (not for IDFC) mode and completes the request if needed.
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@param apSelf pointer to the DLogTicker object
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*/
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void DLogTicker::LogTimerCallback(TAny* aSelf)
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{
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DLogTicker *pSelf = (DLogTicker*)aSelf;
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__NK_ASSERT_DEBUG(pSelf);
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TTestLogCtrl& logClontrol = pSelf->iLogControl;
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__NK_ASSERT_DEBUG(logClontrol.iLogsNum >=0);
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TInt context = NKern::CurrentContext();
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if(context == NKern::EInterrupt)
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{//-- This callback is from ISR
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//-- make logging from ISR context, category field is ignored, it will be FastTrace::EKernPerfLog
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PERF_LOG(logClontrol.iSubCategory, logClontrol.iUserData, logClontrol.iUserData2);
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//-- kick DFC, it will probaly complete the request.
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pSelf->iLogDFC->Add();
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}
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else
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{//-- this is a DFC callback, but the DFC object could also have been ceated as IDFC
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//-- complete user request here if necessarily.
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if(pSelf->iLogDFC->IsIDFC())
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{//-- the logging will be made in IDFC function.
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if(pSelf->iLogControl.iLogsNum == 0)
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{//-- all done, complete the request here, because we can't do in in IDFC
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pSelf->CompleteRequest();
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}
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else
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{//-- this callback came from IDFC object, kick IDFC in a special way.
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NKern::Lock();
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pSelf->iLogDFC->Add();
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NKern::Unlock();
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}
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}
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else
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{//-- this callback came from IDFC object, make logging from DFC context
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//-- category field is ignored, it will be FastTrace::EKernPerfLog
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PERF_LOG(logClontrol.iSubCategory, logClontrol.iUserData, logClontrol.iUserData2);
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pSelf->iLogDFC->Enque(); //-- kick DFC
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}
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}
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}
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//-----------------------------------------------------------------------------------
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/**
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Ticker DFC or IDFC function. Kicks the timer;
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If is called as IDFC, makes logging in this context and schedules a timer callback in DFC context to complete the request.
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If is called as DFC, schedules timer callback in DFC or ISR context.
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@param apSelf pointer to the DLogTicker object
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*/
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void DLogTicker::LogDFC(TAny* aSelf)
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{
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DLogTicker *pSelf = (DLogTicker*)aSelf;
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__NK_ASSERT_DEBUG(pSelf);
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TInt context = NKern::CurrentContext();
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(void)context; //-- avoid warning in release mode
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if(pSelf->iLogControl.iLogsNum <= 0)
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{//-- complete user request, all done. The request can also be completed in LogTimerCallback()
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//-- in case if this is a IDFC and callback is a DFC
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pSelf->CompleteRequest();
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}
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else
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{
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TTestLogCtrl& logClontrol = pSelf->iLogControl;
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logClontrol.iLogsNum--; //-- decrease remaining number of loggings
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if(pSelf->iLogDFC->IsIDFC())
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{//-- we are in IDFC context, make logging from here, timer callback won't be IDFC
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__NK_ASSERT_DEBUG(context == NKern::EIDFC);
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//-- category field is ignored, it will be FastTrace::EKernPerfLog
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PERF_LOG(logClontrol.iSubCategory, logClontrol.iUserData, logClontrol.iUserData2);
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//-- kick the timer to have a callback in a specified time in DFC context
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//-- timer's DFC will complete the request if necessarily.
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pSelf->iTimer.OneShot(logClontrol.iLogPeriodTick, ETrue);
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}
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else
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{//-- we are in DFC context, kick the timer to have a callback in a specified time in ISR or DFC context
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pSelf->iTimer.OneShot(logClontrol.iLogPeriodTick, !(pSelf->iLogContext == NKern::EInterrupt));
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}
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}
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}
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//-----------------------------------------------------------------------------------
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//###################################################################################
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//# DKPLoggerTestHelperLDD class implementation
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//###################################################################################
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DKPLoggerTestHelperLDD::DKPLoggerTestHelperLDD()
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{
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//-- store the pointer to the current thread for request completion from ISR->DFC
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iClientThread = &Kern::CurrentThread();
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__NK_ASSERT_DEBUG(iClientThread);
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//-- Open client's user thread, incrementing ref. counter
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TInt nRes = iClientThread->Open();
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__NK_ASSERT_DEBUG(nRes == KErrNone);
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(void)nRes;//-- avoid warning in release mode
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//-- initialize DFC machinery
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iDfcQ = Kern::DfcQue0(); //-- attach to the low priority DFC queue
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iIsrLogTicker.Construct (iClientThread, iDfcQ, NKern::EInterrupt);//-- construct ISR log ticker
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iDfcLogTicker.Construct (iClientThread, iDfcQ, NKern::EThread); //-- construct DFC log ticker
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iIDfcLogTicker.Construct(iClientThread, iDfcQ, NKern::EIDFC); //-- construct IDFC log ticker
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}
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//-----------------------------------------------------------------------------------
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DKPLoggerTestHelperLDD::~DKPLoggerTestHelperLDD()
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{
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__PRINT("#KPLogTest:~DKPLoggerTestHelperLDD()");
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iClientThread->Close(NULL);
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pSelf = NULL; //-- clear the pointer to this class instance
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}
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//-----------------------------------------------------------------------------------
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/**
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static factory function for the LDD.
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@return pointer to the created (or existing) instance of the class
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*/
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DKPLoggerTestHelperLDD* DKPLoggerTestHelperLDD::CreateInstance()
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{
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__PRINT("#KPLogTest:DKPLoggerTestHelperLDD::CreateInstance()");
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//-- create LDD channel instance
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if(pSelf)
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{//-- this is a singleton, can't have more than one instance
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__PRINT("#DKPLoggerTestHelperLDD::CreateInstance(): Attempt to create a second instance of a singleton!");
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return pSelf;
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}
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pSelf = new DKPLoggerTestHelperLDD;
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if(!pSelf)
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{//-- OOM
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__PRINT("#KPLogTest:DKPLoggerTestHelperLDD::CreateInstance(): Unable to create class instance !");
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}
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return pSelf;
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}
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//-----------------------------------------------------------------------------------
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/**
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LDD second stage constructor
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*/
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TInt DKPLoggerTestHelperLDD::DoCreate(TInt /*aUnit*/, const TDesC8* /*anInfo*/, const TVersion& aVer)
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{
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//-- check if the version aVer is supported
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if (!Kern::QueryVersionSupported(TVersion(KMajorVersionNumber,KMinorVersionNumber,KBuildVersionNumber),aVer))
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return KErrNotSupported;
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return KErrNone;
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}
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//-----------------------------------------------------------------------------------
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/**
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Requests processing function.
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@return request processing error code.
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*/
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TInt DKPLoggerTestHelperLDD::Request(TInt aFunction, TAny* a1, TAny* a2)
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{
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TInt nRes = KErrNone;
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if (aFunction == KMaxTInt)
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{//-- this is DoCancel()
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TUint reqMask = (TUint)a1;
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DoCancel(reqMask);
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return KErrNone;
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}
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if(aFunction < 0)
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{//-- This is DoRequest()
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//-- extract request parameters
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TRequestStatus* pRqStat=(TRequestStatus*)a1;
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TAny* params[2];
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kumemget32(params, a2, sizeof(params));
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nRes = DoRequest(~aFunction, pRqStat, params[0], params[1]);
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}
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else
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{//-- This is DoControl()
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nRes = DoControl(aFunction, a1, a2);
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}
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return nRes;
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}
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//-----------------------------------------------------------------------------------
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/**
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Cancel outstanding request(s)
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@param aReqNumber request number to cancel
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*/
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void DKPLoggerTestHelperLDD::DoCancel(TUint aReqNumber)
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{
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switch (aReqNumber)
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{
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//-- cancel logging from ISR.
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case RKPLoggerTestHelper::EDoLogFromISR:
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iIsrLogTicker.Cancel();
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break;
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//-- cancel logging from IDFC.
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case RKPLoggerTestHelper::EDoLogFromIDFC:
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iIDfcLogTicker.Cancel();
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break;
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//-- cancel logging from DFC.
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case RKPLoggerTestHelper::EDoLogFromDFC:
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iDfcLogTicker.Cancel();
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break;
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default:
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__PRINT1("#KPLogTest:DKPLoggerTestHelperLDD::DoCancel Cancelling a wrong request number:%d!", aReqMask);
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Kern::PanicCurrentThread(KPLoggerHelperTestDrv, EWrongRequest);
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break;
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}
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}
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//-----------------------------------------------------------------------------------
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/**
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Asynchronous request processing.
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@param aFunction request function number, see RKPLoggerTestHelper::TControl
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@param apRqStat pointer to the user's request status object.
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@param apArg1 pointer to the 1st parameter in RKPLoggerTestHelper::DoRequest
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@param apArg2 pointer to the 2nd parameter in RKPLoggerTestHelper::DoRequest
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@return request scheduling result, system-wide error code.
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*/
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TInt DKPLoggerTestHelperLDD::DoRequest(TInt aReqNumber, TRequestStatus* aRqStat, TAny* aArg1, TAny* /*apArg2*/)
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{
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419 |
switch (aReqNumber)
|
|
420 |
{
|
|
421 |
//-- make logging from ISR.
|
|
422 |
case RKPLoggerTestHelper::EDoLogFromISR:
|
|
423 |
{
|
|
424 |
__PRINT("#KPLogTest: making loggings from ISR context");
|
|
425 |
iIsrLogTicker.Start((const TTestLogCtrl*)aArg1, aRqStat);
|
|
426 |
}
|
|
427 |
break;
|
|
428 |
|
|
429 |
//-- make logging from IDFC.
|
|
430 |
case RKPLoggerTestHelper::EDoLogFromIDFC:
|
|
431 |
{
|
|
432 |
__PRINT("#KPLogTest: making loggings from IDFC context");
|
|
433 |
iIDfcLogTicker.Start((const TTestLogCtrl*)aArg1, aRqStat);
|
|
434 |
}
|
|
435 |
break;
|
|
436 |
|
|
437 |
//-- make logging from DFC.
|
|
438 |
case RKPLoggerTestHelper::EDoLogFromDFC:
|
|
439 |
{
|
|
440 |
__PRINT("#KPLogTest: making loggings from DFC context");
|
|
441 |
iDfcLogTicker.Start((const TTestLogCtrl*)aArg1, aRqStat);
|
|
442 |
}
|
|
443 |
break;
|
|
444 |
|
|
445 |
|
|
446 |
default:
|
|
447 |
__PRINT1("#KPLogTest:DKPLoggerTestHelperLDD::DoRequest() Wrong request number:%d!", aReqNumber);
|
|
448 |
Kern::PanicCurrentThread(KPLoggerHelperTestDrv, EWrongRequest);
|
|
449 |
break;
|
|
450 |
}
|
|
451 |
|
|
452 |
return KErrNone;
|
|
453 |
}
|
|
454 |
|
|
455 |
//-----------------------------------------------------------------------------------
|
|
456 |
|
|
457 |
/**
|
|
458 |
Synchronous requests processing.
|
|
459 |
|
|
460 |
@param aFunction request function number, see RKernPerfLogger::TControl
|
|
461 |
@param apArg1 pointer to the 1st parameter in RKernPerfLogger::DoControl
|
|
462 |
@param apArg2 pointer to the 2n parameter in RKernPerfLogger::DoControl
|
|
463 |
|
|
464 |
@return request processing result
|
|
465 |
*/
|
|
466 |
TInt DKPLoggerTestHelperLDD::DoControl(TInt aFunction, TAny* aArg1, TAny* /*apArg2*/)
|
|
467 |
{
|
|
468 |
|
|
469 |
switch (aFunction)
|
|
470 |
{
|
|
471 |
//-- make test logging from the user thread
|
|
472 |
case RKPLoggerTestHelper::EDoLogFromUserThread:
|
|
473 |
{
|
|
474 |
kumemget32(&iLogControlUserThread, aArg1, sizeof(iLogControlUserThread)); //-- copy control structure from the user side
|
|
475 |
__PRINT1("#KPLogTest: making %d loggings from a user-thread context", iLogControlUserThread.iLogsNum);
|
|
476 |
__NK_ASSERT_DEBUG(iLogControlUserThread.iLogsNum >=0 );
|
|
477 |
|
|
478 |
//-- This context is actually, a user thread. Make logging from here
|
|
479 |
for(TInt i=0; i<iLogControlUserThread.iLogsNum; ++i)
|
|
480 |
{
|
|
481 |
//-- category field is ignored, it will be FastTrace::EKernPerfLog
|
|
482 |
PERF_LOG(iLogControlUserThread.iSubCategory, iLogControlUserThread.iUserData, iLogControlUserThread.iUserData2);
|
|
483 |
|
|
484 |
NKern::Sleep(iLogControlUserThread.iLogPeriodTick);
|
|
485 |
}
|
|
486 |
}
|
|
487 |
break;
|
|
488 |
|
|
489 |
//-- unit test for different PERF_LOG macros
|
|
490 |
case RKPLoggerTestHelper::EDoTestMacros:
|
|
491 |
{
|
|
492 |
kumemget32(&iLogControlUserThread, aArg1, sizeof(iLogControlUserThread)); //-- copy control structure from the user side
|
|
493 |
__PRINT1("#KPLogTest: making %d loggings from a user-thread context, testing different macros", iLogControlUserThread.iLogsNum);
|
|
494 |
__NK_ASSERT_DEBUG(iLogControlUserThread.iLogsNum >=0 );
|
|
495 |
|
|
496 |
for(TInt i=0; i<iLogControlUserThread.iLogsNum; ++i)
|
|
497 |
{
|
|
498 |
PERF_LOG0(iLogControlUserThread.iSubCategory);
|
|
499 |
PERF_LOG1(iLogControlUserThread.iSubCategory, iLogControlUserThread.iUserData);
|
|
500 |
PERF_LOG (iLogControlUserThread.iSubCategory, iLogControlUserThread.iUserData, iLogControlUserThread.iUserData2);
|
|
501 |
|
|
502 |
NKern::Sleep(iLogControlUserThread.iLogPeriodTick);
|
|
503 |
}
|
|
504 |
|
|
505 |
|
|
506 |
}
|
|
507 |
break;
|
|
508 |
|
|
509 |
default:
|
|
510 |
__PRINT1("#KPLogTest:DKPLoggerTestHelperLDD::DoControl() Wrong function number:%d!", aFunction);
|
|
511 |
Kern::PanicCurrentThread(KPLoggerHelperTestDrv, EWrongRequest);
|
|
512 |
break;
|
|
513 |
|
|
514 |
};
|
|
515 |
|
|
516 |
|
|
517 |
return KErrNone;
|
|
518 |
}
|
|
519 |
|
|
520 |
|
|
521 |
|
|
522 |
//###################################################################################
|
|
523 |
//# LDD factory, DKPLoggerTestHelperLDDFactory class implementation
|
|
524 |
//###################################################################################
|
|
525 |
|
|
526 |
DKPLoggerTestHelperLDDFactory::DKPLoggerTestHelperLDDFactory()
|
|
527 |
{
|
|
528 |
iUnitsMask = 0x00; //-- don't support units
|
|
529 |
iVersion=TVersion(KMajorVersionNumber,KMinorVersionNumber,KBuildVersionNumber);
|
|
530 |
}
|
|
531 |
|
|
532 |
DKPLoggerTestHelperLDDFactory::~DKPLoggerTestHelperLDDFactory()
|
|
533 |
{
|
|
534 |
__PRINT("#KPLogTest:~DKPLoggerTestHelperLDDFactory()");
|
|
535 |
}
|
|
536 |
|
|
537 |
//-----------------------------------------------------------------------------------
|
|
538 |
|
|
539 |
/**
|
|
540 |
static factory function for the LDD factory.
|
|
541 |
|
|
542 |
@return pointer to the created instance of the class
|
|
543 |
*/
|
|
544 |
DKPLoggerTestHelperLDDFactory* DKPLoggerTestHelperLDDFactory::CreateInstance()
|
|
545 |
{
|
|
546 |
__PRINT("#KPLogTest:DKPLoggerTestHelperLDDFactory::CreateInstance()");
|
|
547 |
|
|
548 |
//-- create LDD factory
|
|
549 |
DKPLoggerTestHelperLDDFactory* pSelf = new DKPLoggerTestHelperLDDFactory;
|
|
550 |
|
|
551 |
if(!pSelf)
|
|
552 |
{//-- OOM
|
|
553 |
__PRINT("#KPLogTest:DKPLoggerTestHelperLDDFactory::CreateInstance(): Unable to create class instance !");
|
|
554 |
}
|
|
555 |
|
|
556 |
return pSelf;
|
|
557 |
}
|
|
558 |
|
|
559 |
//-----------------------------------------------------------------------------------
|
|
560 |
|
|
561 |
/**
|
|
562 |
*/
|
|
563 |
TInt DKPLoggerTestHelperLDDFactory::Install()
|
|
564 |
{
|
|
565 |
return SetName(&KPLoggerHelperTestDrv); // Set our name and return error code
|
|
566 |
}
|
|
567 |
|
|
568 |
//-----------------------------------------------------------------------------------
|
|
569 |
|
|
570 |
/**
|
|
571 |
*/
|
|
572 |
void DKPLoggerTestHelperLDDFactory::GetCaps(TDes8& /*aDes*/) const
|
|
573 |
{//-- not supported
|
|
574 |
}
|
|
575 |
|
|
576 |
//-----------------------------------------------------------------------------------
|
|
577 |
|
|
578 |
/**
|
|
579 |
LDD factory function. Creates LDD object.
|
|
580 |
@param aChannel A pointer to an LDD channel object which will be initialised on return.
|
|
581 |
@return KErrNone if object successfully allocated, KErrNoMemory if not.
|
|
582 |
@return KErrAlreadyExists if the client tries to creae more than 1 instance of the channel
|
|
583 |
|
|
584 |
*/
|
|
585 |
TInt DKPLoggerTestHelperLDDFactory::Create(DLogicalChannelBase*& aChannel)
|
|
586 |
{
|
|
587 |
|
|
588 |
if(DKPLoggerTestHelperLDD::pSelf)
|
|
589 |
{//-- channel is a singleton, can't have more than one instance
|
|
590 |
__PRINT("#DKPLoggerTestHelperLDDFactory::Create: Attmpt to create another instance of the LDD!");
|
|
591 |
return KErrAlreadyExists;
|
|
592 |
}
|
|
593 |
|
|
594 |
aChannel = DKPLoggerTestHelperLDD::CreateInstance();
|
|
595 |
if(!aChannel)
|
|
596 |
return KErrNoMemory;
|
|
597 |
|
|
598 |
return KErrNone;
|
|
599 |
}
|
|
600 |
|
|
601 |
|
|
602 |
//-----------------------------------------------------------------------------------
|
|
603 |
|
|
604 |
/**
|
|
605 |
"Standard LDD" entrypoint.
|
|
606 |
Is called on CreateLogicalDevice() if the user calls LoadLogicalDevice(). Creates LDD factory.
|
|
607 |
|
|
608 |
@return pointer to the LDD factory object.
|
|
609 |
*/
|
|
610 |
DECLARE_STANDARD_LDD()
|
|
611 |
{
|
|
612 |
DKPLoggerTestHelperLDDFactory* pLDDFactory = DKPLoggerTestHelperLDDFactory::CreateInstance();
|
|
613 |
return pLDDFactory;
|
|
614 |
}
|
|
615 |
|
|
616 |
|
|
617 |
|
|
618 |
|
|
619 |
|
|
620 |
|
|
621 |
|
|
622 |
|
|
623 |
|
|
624 |
|
|
625 |
|
|
626 |
|
|
627 |
|
|
628 |
|
|
629 |
|
|
630 |
|
|
631 |
|
|
632 |
|
|
633 |
|
|
634 |
|
|
635 |
|
|
636 |
|
|
637 |
|
|
638 |
|
|
639 |
|
|
640 |
|
|
641 |
|
|
642 |
|
|
643 |
|