C++ TTimeIntervalMicroSeconds类代码示例

   virtual dword GetPlayPos() const{

      if(!inited)
         return 0;
      if(finished)
         return GetPlayTime();
      dword ret;
#ifdef USE_OPTIONAL_POSITIONING
      const_cast<C_simple_sound_player_imp*>(this)->InitLib();
      if(mca_GetPosition){
         TTimeIntervalMicroSeconds p;
#ifdef _DEBUG
         (plr->*mca_GetPosition)(p);
#else
         mca_GetPosition(plr, p);
#endif
         ret = (p.Int64()/TInt64(1000)).Low();
      }else
         ret = 0;
#else
      TTimeIntervalMicroSeconds p;
      plr->GetPosition(p);
      ret = dword(p.Int64()/TInt64(1000));
#endif
      return Min(ret, GetPlayTime());
   }

void CTzBootPerformanceTest::TestBootupPerformanceL()
	{
	TTime startTime;
	TTime endTime;
	startTime.UniversalTime();

	RTz tz;
	User::LeaveIfError(tz.Connect());
	endTime.UniversalTime();
	tz.Close();
	
	TTimeIntervalMicroSeconds micros = endTime.MicroSecondsFrom(startTime);
	_LIT(KBootTime, "Time to connect time zone server = %d (ms) \n");
	test.Printf(KBootTime,micros);
	
#ifndef __WINS__
	
#ifdef GetPerformanceBaseline
	bootTimeBaseLine = micros.Int64();
	_LIT(KBootTimeBaseLine, "The baseline of boot-up time = %d (ms) \n");
	test.Printf(KBootTimeBaseLine,bootTimeBaseLine);
#else
	test((micros.Int64()-bootTimeBaseLine)/bootTimeBaseLine<0.1);
#endif
	
#endif
	}

void CCopyContactsAO::UpdateTimeStamp()
{
	RFs fs;
	fs.Connect();

	TBuf<256> cdbFileName; // Contact db file name

	if (iDatabase->FindContactFile(cdbFileName)) {

		TTime cdbTime;
		fs.Modified(cdbFileName, cdbTime);

		TDateTime janNineteenSeventy
				(1970,EJanuary,0,00,00,00,000000);
		TTime timejan(janNineteenSeventy);

		TTimeIntervalMicroSeconds interval =
				cdbTime.MicroSecondsFrom(timejan);

		TInt64 cdbVal;
		cdbVal = interval.Int64()/1000;

		TBuf<256> timestamp;
		timestamp.Num(cdbVal);

		iAppUi.AddTimeStampToFileL(&timestamp);
	}

	fs.Close();
}

// ---------------------------------------------------------------------------
// Configures the flex window sizes for both the initial delay and the
// consequent intervals after that. 64-bit version.
// ---------------------------------------------------------------------------
//
EXPORT_C TInt CFlexPeriodic::Configure( 
                                   TTimeIntervalMicroSeconds aDelayWindow,
                                   TTimeIntervalMicroSeconds aIntervalWindow )
    {
    OstTraceExt3( TRACE_NORMAL, DUP1_CFLEXPERIODIC_CONFIGURE,
            "CFlexPeriodic::Configure64;this=%x;"
            "aDelayWindow=%lld;aIntervalWindow=%lld", ( TUint )this,
            aDelayWindow.Int64(), aIntervalWindow.Int64() );

    TTimeIntervalMicroSeconds zero( 0 );
    __ASSERT_ALWAYS(aDelayWindow >= zero,
            User::Panic(KCFlexPeriodicPanicCat,
                    EFlexPeriodicDelayWindowLessThanZero));
    __ASSERT_ALWAYS(aIntervalWindow >= zero,
            User::Panic(KCFlexPeriodicPanicCat,
                    EFlexPeriodicIntervalWindowLessThanZero));

    // interval window is saved for later use. Delay window is sent
    // immediately to server. 
    TInt ret = CFlexTimer::Configure( aDelayWindow );
    if ( ret == KErrNone )
        {
        // Interval window is changed only, if configuration is successful.
        iIntervalWindow = aIntervalWindow;
        
        // This is set to true only, if the server is able to receive the
        // delay window configuration.
        iSendConfigure = ETrue;
        }
    return ret;
    }

// ---------------------------------------------------------------------------
// Starts the periodic timer. 64-bit delay and interval parameters.
// ---------------------------------------------------------------------------
//
EXPORT_C void CFlexPeriodic::Start( TTimeIntervalMicroSeconds aDelay,
                                    TTimeIntervalMicroSeconds anInterval,
                                    TCallBack aCallBack,
                                    TCallBack aCallBackError )
    {
    OstTraceExt4( TRACE_NORMAL, CFLEXPERIODIC_START64,
            "CFlexPeriodic::Start64;this=%x;aDelay=%lld;"
            "anInterval=%lld;aCallBack=%x", ( TUint )this,
            aDelay.Int64(), anInterval.Int64(), ( TUint )&( aCallBack ) );

    TTimeIntervalMicroSeconds zero( 0 );
    __ASSERT_ALWAYS(aDelay >= zero,
            User::Panic(KCFlexPeriodicPanicCat,
                    EFlexPeriodicDelayLessThanZero));
    __ASSERT_ALWAYS(anInterval > zero,
            User::Panic(KCFlexPeriodicPanicCat,
                    EFlexPeriodicIntervalTooSmall));
    __ASSERT_ALWAYS( aCallBack.iFunction != NULL,
            User::Panic(KCFlexPeriodicPanicCat,
                    EFlexPeriodicCallbackFunctionIsNull));
    // aCallBackError is left unasserted on purpose.
    // if error occurs and callback is null client is paniced.
    
    // Interval value is saved for later use, delay is sent immediately
    // to the server.
    iInterval = anInterval.Int64();
    iCallBack = aCallBack;
    iCallBackError = aCallBackError;
    CFlexTimer::After( aDelay );
    }

EXPORT_C TBool TWsGraphicMsgAnimation::IsPlaying(const TTime& aNow,const TTimeIntervalMicroSeconds& aAnimationLength) const
	{
	// an animation to time?
	if(aAnimationLength <= 0LL)
		{
		return EFalse;
		}
	switch(iFlags & EStateMask)
		{
		case EPaused:
			return EFalse;
		case EStopping:
			{
			const TInt64 elapsed = (aNow.Int64() - iPlay.Int64());
			if(elapsed <= aAnimationLength.Int64())
				{
				return ETrue;
				}
			return EFalse;
			}
		case EStopped:
			return EFalse;
		case EPlaying:
			{
			const TInt64 elapsed = (aNow.Int64() - iPlay.Int64());
			if((iFlags & ELoop) || (elapsed <= aAnimationLength.Int64()))
				{
				return ETrue;
				}
			return EFalse;
			}
		default:
			return EFalse;
		}
	}

void UT_CG711PayloadFormatWrite::UT_CG711PayloadFormatWrite_FrameTimeIntervalL(  )
{
    //iWrite->iFrameTimeInterval = 20000 *  2;  // 20k * Channels
    TTimeIntervalMicroSeconds catchAfish;
    TMediaId mediaIdAudio( KUidMediaTypeAudio, 1 );
    TMediaId mediaIdVideo( KUidMediaTypeVideo, 1 );

    if ( !iAlloc )
    {
        catchAfish = iWrite->FrameTimeInterval ( mediaIdAudio );
        EUNIT_ASSERT_EQUALS( catchAfish.Int64(), 0 );

        catchAfish = iWrite->FrameTimeInterval ( mediaIdVideo );
        EUNIT_ASSERT_EQUALS( catchAfish.Int64(), 0 );


    }

    else
    {
        EUNIT_ASSERT_NO_LEAVE( iWrite->FrameTimeInterval ( mediaIdAudio ) );
        EUNIT_ASSERT_NO_LEAVE( iWrite->FrameTimeInterval ( mediaIdVideo ) );

    }
}

/*CPU and Memory Usage*/
GF_EXPORT
Bool gf_sys_get_rti(u32 refresh_time_ms, GF_SystemRTInfo *rti, u32 flags)
{
	TInt ram, ram_free;
	u32 now, time;
#ifdef __SERIES60_3X__
	TModuleMemoryInfo mi;
#endif
	TTimeIntervalMicroSeconds tims;
	RProcess cur_process;
	RThread cur_th;

	now = gf_sys_clock();
	if (!rti->sampling_instant) {
		rti->sampling_instant = now;
		if (cur_th.GetCpuTime(tims) != KErrNone) {
			return 0;
		}
#ifdef __SERIES60_3X__
		rti->process_cpu_time = (u32) (tims.Int64() / 1000);
#else
		rti->process_cpu_time = (u32) ( TInt64(tims.Int64() / 1000).GetTInt() );
#endif
		return 0;
	}
	if (rti->sampling_instant + refresh_time_ms > now) return 0;
	rti->sampling_period_duration = now - rti->sampling_instant;
	rti->sampling_instant = now;

	if (cur_th.Process(cur_process) != KErrNone) {
		return 0;
	}
#ifdef __SERIES60_3X__
	if (cur_process.GetMemoryInfo(mi) != KErrNone) {
		return 0;
	}
	rti->process_memory = mi.iCodeSize + mi.iConstDataSize + mi.iInitialisedDataSize + mi.iUninitialisedDataSize;
#endif
	if (cur_th.GetCpuTime(tims) != KErrNone) {
		return 0;
	}
#ifdef __SERIES60_3X__
	time = (u32) (tims.Int64() / 1000);
#else
	time = (u32) ( TInt64(tims.Int64() / 1000).GetTInt() );
#endif
	rti->process_cpu_time_diff = time - rti->process_cpu_time;
	rti->process_cpu_time = time;
	rti->process_cpu_usage = 100*rti->process_cpu_time_diff / rti->sampling_period_duration;
	if (rti->process_cpu_usage > 100) rti->process_cpu_usage = 100;

	HAL::Get(HALData::EMemoryRAM, ram);
	HAL::Get(HALData::EMemoryRAMFree, ram_free);
	rti->physical_memory = ram;
	rti->physical_memory_avail = ram_free;
#ifdef GPAC_MEMORY_TRACKING
	rti->gpac_memory = gpac_allocated_memory;
#endif
	return 1;
}

/** Adjusts system time if required. The decision whether the adjustment is needed or not
is based on the following criterias:
 - satellite time must be present in the location update
 - time threshold must be exceeded
 - time from a last adjustment is greater than a defined interval.
 
@param aStatus An error code.
@param TPositionSatelliteInfo Position and time information. 
							  If clock adjustment takes place the TPosition::iTime is 
							  re-set to the satellite time.
@see CLbsAdmin
@see TPositionSatelliteInfo
*/
void CAutoClockAdjust::LocationUpdate(TInt aStatus, TPositionSatelliteInfo& aPosInfo)
	{
	LBSLOG(ELogP1, "CAutoClockAdjust::LocationUpdate()\n");
	TTimeIntervalMicroSeconds timeCorr;
	TTime sysTime;
	TInt err;
	
	// If adjustment on, no error, and satellite information present
	if ((iClockAdjustSetting == CLbsAdmin::EClockAdjustOn) && (aStatus == KErrNone) &&
	    ((aPosInfo.PositionClassType() & EPositionSatelliteInfoClass) == EPositionSatelliteInfoClass))
		{
		// Is is time do do another time adjustment?
		sysTime.UniversalTime();
		if (Abs(sysTime.MicroSecondsFrom(iLastAdjustment).Int64()) > (1000*iAdjustInterval))
			{
			const TPositionSatelliteInfo& satInfo = static_cast<const TPositionSatelliteInfo&>(aPosInfo);
			err = CalculateTimeCorrection(satInfo, timeCorr);
			if (err == KErrNone)
				{
				// Is threshold exceeded? 
				if (Abs(timeCorr.Int64()) > (1000*iAdjustThreshold))
					{
					sysTime.UniversalTime();
					sysTime += timeCorr;
					LBSLOG(ELogP9, "->S CGpsSetClockBase::SetUTCTime() ClockModule\n");
					LBSLOG5(ELogP9, "  > TTime sysTime  = %02d:%02d:%02d.%06d\n", sysTime.DateTime().Hour(), 
																				sysTime.DateTime().Minute(),
																				sysTime.DateTime().Second(),
																				sysTime.DateTime().MicroSecond());

					err = iSetClockImpl->SetUTCTime(sysTime);
					LBSLOG2(ELogP9, "  Return  = %d\n", err);

					if (err == KErrNone)
						{				
						// Sync the position time with the satellite time
						// to avoid re-adjusting the system time by the manual clock adjustment component.
						TPosition pos;
						aPosInfo.GetPosition(pos);
						pos.SetTime(aPosInfo.SatelliteTime());
						aPosInfo.SetPosition(pos);
						LBSLOG2(ELogP2, "ACTION: Clock Adjusted by %ld\n", timeCorr.Int64());
						}
					}
					
				if (err == KErrNone)
					{				
					// Remember the current time even if threshold not exceeded
					iLastAdjustment = sysTime;
					}
				else
					{
					LBSLOG_WARN2(ELogP3, "Clock Adjustment failed. Error: %d\n", err);
					}
				}
			}
		}
	}

TInt StopTimer(TTime aStartTimer)
	{
	TTime endTime;
	endTime.HomeTime();
		
	TTimeIntervalMicroSeconds duration = endTime.MicroSecondsFrom(aStartTimer);
	TInt actualDuration = I64INT(duration.Int64())/1000; // in millisecond
	return actualDuration;
	}

jlong Os::java_time_millis() 
{
	TTime NineteenSeventy(_L("19700000:000000.000000"));
	TTime now;
	now.UniversalTime();
 	TTimeIntervalMicroSeconds interval = now.MicroSecondsFrom(NineteenSeventy);
	TInt64 time = interval.Int64() / 1000;
	return ((jlong)I64HIGH(time) << 32) | (jlong)I64LOW(time);
}

// ---------------------------------------------------------
// ---------------------------------------------------------
//
void CPosTp143::CheckCountersL()
    {
    iLog->Log(_L("CheckCountersL"));

    TTime start, end;
    CPosLandmarkDatabaseExtended* dbExt = CPosLandmarkDatabaseExtended::OpenL();
    CleanupStack::PushL(dbExt);
    
    iLog->Log(_L("checking LandmarksCount"));
    start.UniversalTime();
    TInt lmCount = dbExt->LandmarksCount();
    end.UniversalTime();
    TTimeIntervalMicroSeconds interval = end.MicroSecondsFrom( start );
    iLog->Log(_L("LandmarksCount done in %ld us"), interval.Int64());
    
    if ( lmCount != iLandmarks.Count() )
        {
        iLog->Log( _L("LandmarksCount wrong result, expected %d, actual %d"),
            iLandmarks.Count(), lmCount );
        User::Leave( KErrGeneral );
        }

    CPosLmItemIterator* iter = iDatabase->LandmarkIteratorL();
    CleanupStack::PushL(iter);

    if ( lmCount != iter->NumOfItemsL() )
        {
        iLog->Log( _L("CategoriesCount wrong result, expected %d, actual %d"),
            iter->NumOfItemsL(), lmCount );
        User::Leave( KErrGeneral );
        }

    CleanupStack::PopAndDestroy( iter );

    iLog->Log(_L("checking CategoriesCount"));
    start.UniversalTime();
    TInt catCount = dbExt->CategoriesCount();
    end.UniversalTime();
    interval = end.MicroSecondsFrom( start );
    iLog->Log(_L("CategoriesCount done in %ld us"), interval.Int64());
    
    CPosLmCategoryManager& catman = dbExt->CategoryManager();
    
    CPosLmItemIterator* catIter = catman.CategoryIteratorL();
    CleanupStack::PushL(catIter);
    
    if ( catCount != catIter->NumOfItemsL() )
        {
        iLog->Log( _L("CategoriesCount wrong result, expected %d, actual %d"),
            catIter->NumOfItemsL(), catCount );
        User::Leave( KErrGeneral );
        }

    CleanupStack::PopAndDestroy( catIter );
    CleanupStack::PopAndDestroy( dbExt );
    }

TTimeIntervalMicroSeconds CWsSpriteManager::CalculateTimeToNextFlash(TTimeIntervalMicroSeconds aTime) const
	{
	TInt64 nextStateChange;
	if(aTime<KFlashHalfSecond)
		nextStateChange=KFlashHalfSecond-aTime.Int64();
	else
		nextStateChange=KFlashHalfSecond - (aTime.Int64() - KFlashHalfSecond);
	ASSERT(nextStateChange > 0);
	return TTimeIntervalMicroSeconds(nextStateChange);
	}	

// -----------------------------------------------------------------------------
// CGameController::StartGameL
// Intializes the Game and Starts the game loop.
// -----------------------------------------------------------------------------
//
void CGameController::StartGameL( CGame& aGame )
{    
    iGame = &aGame;   
    
    // Allow the game to initialize itself.
    // The opengl es state intialization is done here.
    aGame.Initialize( iWindow->Size().iWidth, iWindow->Size().iHeight );
    
    TTime currentTime;
    TTime lastTimeVisited;
    lastTimeVisited.HomeTime();    
        
    while( 1 ) // Loop until the Game wants to exit.
    {       
        // Process any pending tasks.
        // This runs any Active objects that are waiting for 
        // some processing. 
        // The CWsEventReceiver Active Object gets a chance to
        // run here (on a key event for example).
        ProcessBackgroundTasks( EFalse );
                
        // If the application is not in focus or is not visible.
        // Block until it regains focus.
        while( EFalse == iIsAppInFocus || EFalse == iIsVisible )
            ProcessBackgroundTasks( ETrue );
                
        // Get the current time.
        currentTime.HomeTime();       
        TTimeIntervalMicroSeconds dur 
                    = currentTime.MicroSecondsFrom( lastTimeVisited );                        
                
        // The game renders itself using opengl es apis.
        // A return value of EFalse signifies an exit from the game.
        // Pass in the time (in micro secs) elapsed since last call. 
        if( EFalse == aGame.RenderFrame( dur.Int64() ) )
        {
            break;
        }                                

        // Call eglSwapBuffers, which blits the graphics to the window.
        eglSwapBuffers( iEglDisplay, iEglSurface );    

        // To keep the background light on.
        if( !( ( iGame->GetCurrentFrame() )%100 ) )
        {
            User::ResetInactivityTime();
        }
        
        // Store the last time the Game was rendered.
        lastTimeVisited = currentTime;
    }
    
    // Cleanup.
    aGame.Cleanup();    
}

TInt CStreamControl::GetDuration(TInt64& aDuration)
    {
    TInt status(KErrUnknown);
    TTimeIntervalMicroSeconds duration;
    status = iController.GetDuration(duration);
    if (status == KErrNone)
        {
        aDuration = duration.Int64();
        }
    return status;
    }