author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 02 Feb 2010 01:04:58 +0200 | |
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permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2006 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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*/ |
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// INCLUDE FILES |
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#include "mccqoscontroller.h" |
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#include "mccrateadaptationobserver.h" |
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#include "mmccevents.h" |
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#include "mccresources.h" |
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#include "mccdatasource.h" |
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#include "mccdatasink.h" |
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#include "QosControllerLog.h" |
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#include "mccinternalevents.h" |
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// EXTERNAL DATA STRUCTURES |
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// EXTERNAL FUNCTION PROTOTYPES |
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// CONSTANTS |
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const TInt KPluginMicroSecInSec = 1; |
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// MACROS |
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// LOCAL CONSTANTS AND MACROS |
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// MODULE DATA STRUCTURES |
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// LOCAL FUNCTION PROTOTYPES |
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// FORWARD DECLARATIONS |
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// ============================= LOCAL FUNCTIONS =============================== |
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// ============================ MEMBER FUNCTIONS =============================== |
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// ----------------------------------------------------------------------------- |
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// CMccQosController::NewL |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C CMccQosController* CMccQosController::NewL( |
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MMccRateAdaptationObserver& aObserver, |
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MMccResources& aResources ) |
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{ |
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__TRACE_MCC_QOS_CONTROLLER1("CMccQosController::NewL"); |
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CMccQosController* self = |
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new ( ELeave ) CMccQosController( aObserver, aResources ); |
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CleanupStack::PushL( self ); |
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self->ConstructL(); |
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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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// CMccQosController::~CMccQosController |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C CMccQosController::~CMccQosController() |
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{ |
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__TRACE_MCC_QOS_CONTROLLER1("CMccQosController::~CMccQosController"); |
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if ( iDeltaTimer ) |
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{ |
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iDeltaTimer->Remove( iDeltaTimerEntry ); |
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} |
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delete iDeltaTimer; |
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iIcmpErrors.Reset(); |
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iIcmpErrors.Close(); |
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__TRACE_MCC_QOS_CONTROLLER1("CMccQosController::~CMccQosController end"); |
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} |
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// ----------------------------------------------------------------------------- |
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// CMccQosController::EventReceived |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C TBool CMccQosController::EventReceived( const TMccEvent& aEvent ) |
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{ |
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__TRACE_MCC_QOS_CONTROLLER1("CMccQosController::EventReceived"); |
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// Check if interesting event and then do calculations. |
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// If adaptation is needed, make async brake and continue with it once |
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// dummy async completes. QosController has also responsibility of |
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// icmp error handling (random errors are filtered etc.). |
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TBool ignoreEvent( EFalse ); |
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if ( aEvent.iEventCategory == KMccEventCategoryRtcp ) |
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{ |
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__TRACE_MCC_QOS_CONTROLLER3( |
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"CMccQosController::EventReceived TMccEvent:iSessionId=", |
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aEvent.iSessionId); |
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106 |
__TRACE_MCC_QOS_CONTROLLER3( |
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"CMccQosController::EventReceived TMccEvent:iLinkId=", |
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aEvent.iLinkId); |
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__TRACE_MCC_QOS_CONTROLLER3( |
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"CMccQosController::EventReceived TMccEvent:iStreamId=", |
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aEvent.iStreamId); |
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__TRACE_MCC_QOS_CONTROLLER3( |
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"CMccQosController::EventReceived TMccEvent:iEndpointId=", |
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aEvent.iEndpointId); |
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__TRACE_MCC_QOS_CONTROLLER3( |
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"CMccQosController::EventReceived TMccEvent:iErrorCode=", |
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aEvent.iErrorCode); |
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118 |
|
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const TMccRtcpEventData& eventdata = |
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(*reinterpret_cast<const TMccRtcpEventDataPackage*>( |
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&aEvent.iEventData ))(); |
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122 |
|
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if ( eventdata.iRtcpPacketType == KRtcpRrPacket ) |
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{ |
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// RR received |
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126 |
|
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iStreamStat = eventdata.iStats; |
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__TRACE_MCC_QOS_CONTROLLER3( |
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"CMccQosController::EventReceived TRtpPeerStat:iNumPacketsSent=", |
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iStreamStat.iNumPacketsSent); |
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__TRACE_MCC_QOS_CONTROLLER3( |
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"CMccQosController::EventReceived TRtpPeerStat:iCumNumOctetsSent=", |
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iStreamStat.iCumNumOctetsSent); |
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__TRACE_MCC_QOS_CONTROLLER3( |
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"CMccQosController::EventReceived TRtpPeerStat:RoundTripDelay=", |
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iStreamStat.iRoundTripDelay); |
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__TRACE_MCC_QOS_CONTROLLER3( |
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"CMccQosController::EventReceived TRtpPeerStat:iTxBandwidth=", |
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iStreamStat.iTxBandwidth); |
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__TRACE_MCC_QOS_CONTROLLER3( |
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"CMccQosController::EventReceived TRtpPeerStat:iCumNumPacketsLost=", |
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iStreamStat.iCumNumPacketsLost); |
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__TRACE_MCC_QOS_CONTROLLER3( |
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"CMccQosController::EventReceived TRtpPeerStat:iFractionLost=", |
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iStreamStat.iFractionLost); |
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__TRACE_MCC_QOS_CONTROLLER3( |
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"CMccQosController::EventReceived TRtpPeerStat:iArrivalJitter=", |
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iStreamStat.iArrivalJitter); |
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__TRACE_MCC_QOS_CONTROLLER3( |
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"CMccQosController::EventReceived TRtpPeerStat:iRxBandwidth=", |
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iStreamStat.iRxBandwidth); |
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__TRACE_MCC_QOS_CONTROLLER3( |
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"CMccQosController::EventReceived TRtpPeerStat:iChannelBufferSize=", |
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iStreamStat.iChannelBufferSize); |
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__TRACE_MCC_QOS_CONTROLLER3( |
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"CMccQosController::EventReceived TRtpPeerStat:iNTPTimeStampSec=", |
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iStreamStat.iNTPTimeStampSec); |
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__TRACE_MCC_QOS_CONTROLLER3( |
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"CMccQosController::EventReceived TRtpPeerStat:iNTPTimeStampFrac=", |
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iStreamStat.iNTPTimeStampFrac); |
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161 |
|
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DoAdaptationCalculations(); |
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} |
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} |
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else if ( aEvent.iEventCategory == KMccEventCategoryRtp && |
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aEvent.iEventType == KMccStreamError && |
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aEvent.iErrorCode == KErrHostUnreach ) |
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{ |
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ignoreEvent = HandleIcmpError( aEvent ); |
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} |
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else |
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{ |
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// NOP |
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} |
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175 |
|
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__TRACE_MCC_QOS_CONTROLLER1("CMccQosController::EventReceived end"); |
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177 |
|
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return ignoreEvent; |
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} |
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180 |
|
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//----------------------------------------------------------------------------- |
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// CMccQosController::DoAdaptationCalculations |
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// ----------------------------------------------------------------------------- |
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// |
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void CMccQosController::DoAdaptationCalculations() |
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{ |
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__TRACE_MCC_QOS_CONTROLLER1("CMccQosController::DoAdaptationCalculations"); |
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188 |
|
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#ifdef RATECONTROL |
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190 |
|
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ClearRateEventData(); |
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192 |
|
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__TRACE_MCC_QOS_CONTROLLER3("CMccQosController::RoundTripTime", |
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iRoundTripTime ); |
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__TRACE_MCC_QOS_CONTROLLER3("CMccQosController::RoundTripDelay", |
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iStreamStat.iRoundTripDelay ); |
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|
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if ( iRoundTripTime ) |
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199 |
{ |
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// Temporary change will not affect immediately so much (kind of mean value) |
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const TReal q = 0.9; |
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iRoundTripTime = |
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TInt ( q * iRoundTripTime + (1.0 - q) * iStreamStat.iRoundTripDelay ); |
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__TRACE_MCC_QOS_CONTROLLER3("CMccQosController::New RoundTripTime=", |
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iRoundTripTime ); |
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} |
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else |
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{ |
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iRoundTripTime = iStreamStat.iRoundTripDelay; |
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} |
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|
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// Store some amount of previous round trip delay values in order to |
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// calculate average value of certain period |
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iRoundTripDelays[ iEventCounter % KMccShortTermCalculation ] = iStreamStat.iRoundTripDelay; |
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|
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iEventCounter++; |
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|
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TBool adaptedAtThisRound( EFalse ); |
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if ( iStreamStat.iFractionLost > iThresholdValues.iFractionLostHigh ) |
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{ |
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// Immediately drop bitrate if significant number of packets got lost |
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__TRACE_MCC_QOS_CONTROLLER1( |
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"CMccQosController::DoAdaptationCalculations, fractions lost, decrease"); |
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iRateEventData.iRateAdaptationAdvice = ( 1.0 - KAdaptation ); |
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DoAdaptation(); |
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adaptedAtThisRound = ETrue; |
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} |
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|
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if ( !( iEventCounter % KMccShortTermCalculation ) ) |
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{ |
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// If long term calculation resulted in change, we are interested |
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// how it affected to average round trip delay |
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__TRACE_MCC_QOS_CONTROLLER1( |
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"CMccQosController::DoAdaptationCalculations, short term"); |
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|
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TInt roundTripDelayOfThisPeriod = CalculateDelayOfShortTermPeriod(); |
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|
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__TRACE_MCC_QOS_CONTROLLER3( |
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"CMccQosController::DoAdaptationCalculations, avg delay of this period", |
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roundTripDelayOfThisPeriod ); |
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|
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if ( !adaptedAtThisRound ) |
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{ |
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TInt comparisonDelay = GetShortTermComparisonDelay(); |
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|
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__TRACE_MCC_QOS_CONTROLLER3( |
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"CMccQosController::DoAdaptationCalculations, comparison delay", |
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comparisonDelay ); |
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|
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if ( roundTripDelayOfThisPeriod - comparisonDelay > KRoundTripTimeLimit ) |
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{ |
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__TRACE_MCC_QOS_CONTROLLER1( |
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"CMccQosController::DoAdaptationCalculations, decrease"); |
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iRateEventData.iRateAdaptationAdvice = 1.0 - KAdaptation; |
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DoAdaptation(); |
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adaptedAtThisRound = ETrue; |
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} |
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else if ( comparisonDelay - roundTripDelayOfThisPeriod > KRoundTripTimeLimit ) |
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{ |
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__TRACE_MCC_QOS_CONTROLLER1( |
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"CMccQosController::DoAdaptationCalculations, increase"); |
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iRateEventData.iRateAdaptationAdvice = 1.0 + KAdaptation; |
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DoAdaptation(); |
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adaptedAtThisRound = ETrue; |
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} |
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else |
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{ |
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} |
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} |
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|
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iRoundTripDelayOfPreviousShortPeriod = roundTripDelayOfThisPeriod; |
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} |
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|
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if ( !( iEventCounter % KMccLongTermCalculation ) ) |
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{ |
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__TRACE_MCC_QOS_CONTROLLER1( |
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"CMccQosController::DoAdaptationCalculations, long term"); |
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|
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if ( !adaptedAtThisRound && !iAdapted ) |
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{ |
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// If adaptation wasn't needed within previous long term period, try to |
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// increase bitrate. Remember round trip time of this period so that |
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// we can see what kind of impact the increasing of bitrate has. |
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__TRACE_MCC_QOS_CONTROLLER1( |
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"CMccQosController::DoAdaptationCalculations, try to increase"); |
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iRateEventData.iRateAdaptationAdvice = ( 1.0 + KAdaptationMore ); |
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DoAdaptation(); |
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adaptedAtThisRound = ETrue; |
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} |
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|
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iAdapted = EFalse; |
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} |
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|
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#endif //RATECONTROL |
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__TRACE_MCC_QOS_CONTROLLER1("CMccQosController::DoAdaptationCalculations end"); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CMccQosController::FillRateAdaptationEventL |
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// ----------------------------------------------------------------------------- |
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// |
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void CMccQosController::FillRateAdaptationEvent() |
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{ |
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__TRACE_MCC_QOS_CONTROLLER1("CMccQosController::FillRateAdaptationEvent"); |
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iEvent = TMccEvent(); |
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TMccRateAdaptationEventDataPackage temp(iRateEventData); |
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iEvent.iEventData.Copy( temp ); |
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__TRACE_MCC_QOS_CONTROLLER1("CMccQosController::FillRateAdaptationEvent end"); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CMccQosController::ClearRateEventData |
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// ----------------------------------------------------------------------------- |
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// |
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void CMccQosController::ClearRateEventData() |
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{ |
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__TRACE_MCC_QOS_CONTROLLER1("CMccQosController::ClearRateEventData"); |
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iRateEventData = TMccRateAdaptationEventData(); |
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__TRACE_MCC_QOS_CONTROLLER1("CMccQosController::ClearRateEventData end"); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CMccQosController::StartTimerForAsync |
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// ----------------------------------------------------------------------------- |
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// |
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void CMccQosController::StartTimerForAsync () |
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{ |
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__TRACE_MCC_QOS_CONTROLLER1("CMccQosController::StartTimerForAsync"); |
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iDeltaTimer->Remove(iDeltaTimerEntry); |
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TTimeIntervalMicroSeconds32 interval(KPluginMicroSecInSec); |
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iDeltaTimer->Queue(interval, iDeltaTimerEntry); |
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__TRACE_MCC_QOS_CONTROLLER1("CMccQosController::StartTimerForAsync end"); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CMccQosController::AsyncTimerExpired |
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// ----------------------------------------------------------------------------- |
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// |
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TInt CMccQosController::AsyncTimerExpired(TAny* aPtr) |
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{ |
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__TRACE_MCC_QOS_CONTROLLER1("CMccQosController::AsyncTimerExpired"); |
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|
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CMccQosController* self = reinterpret_cast<CMccQosController*>(aPtr); |
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self ->GetSinkSources(); |
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|
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__TRACE_MCC_QOS_CONTROLLER1("CMccQosController::AsyncTimerExpired end"); |
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return ETrue; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CMccQosController::GetSinkSources |
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// ----------------------------------------------------------------------------- |
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// |
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void CMccQosController::GetSinkSources() |
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{ |
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__TRACE_MCC_QOS_CONTROLLER1("CMccQosController::GetSinkSources"); |
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iBitRateChanged = EFalse; |
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const RPointerArray<MDataSource>& tempSources = iResources.Sources( ETrue ); |
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FillRateAdaptationEvent(); |
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TInt result = 0; |
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for ( TInt i = 0; i < tempSources.Count(); i++ ) |
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{ |
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iResultEvent = TMccEvent(); |
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__TRACE_MCC_QOS_CONTROLLER3("CMccQosController::GetSinkSources Sources", i); |
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|
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CMccDataSource* item = static_cast<CMccDataSource*> (tempSources[ i ]); |
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iResultEvent = TMccEvent(); |
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result = item->RateAdaptationRequest( iEvent, iResultEvent ); |
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CheckRateChangeResult( result ); |
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} |
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const RPointerArray<MDataSink>& tempSinks = iResources.Sinks( ETrue ); |
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for ( TInt j = 0; j < tempSinks.Count(); j++ ) |
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{ |
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iResultEvent = TMccEvent(); |
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__TRACE_MCC_QOS_CONTROLLER3("CMccQosController::GetSinkSources Sinks", j); |
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CMccDataSink* item = static_cast<CMccDataSink*> (tempSinks[ j ]); |
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result = item->RateAdaptationRequest( iEvent, iResultEvent ); |
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CheckRateChangeResult( result ); |
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} |
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if ( !iBitRateChanged ) |
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{ |
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iMainObserver.RateAdaptationAlert( iEvent, |
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MMccRateAdaptationObserver::ERateAdaptationNotPossible ); |
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} |
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__TRACE_MCC_QOS_CONTROLLER1("CMccQosController::GetSinkSources END"); |
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} |
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388 |
|
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// ----------------------------------------------------------------------------- |
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// CMccQosController::CheckRateChangeResult |
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// ----------------------------------------------------------------------------- |
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// |
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void CMccQosController::CheckRateChangeResult( TInt aValue ) |
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{ |
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__TRACE_MCC_QOS_CONTROLLER1("CMccQosController::CheckRateChangeResult"); |
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if ( aValue == KErrNone ) |
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397 |
{ |
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TMccRateAdaptationEventDataPackage resultdatapkg; |
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resultdatapkg.Copy(iResultEvent.iEventData); |
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TMccRateAdaptationEventData resultdata = resultdatapkg(); |
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if ( resultdata.iBitrateOriginal != resultdata.iBitrateModified ) |
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402 |
{ |
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__TRACE_MCC_QOS_CONTROLLER1("CMccQosController::BitRateChanged ETRUE"); |
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iBitRateChanged = ETrue; |
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} |
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} |
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__TRACE_MCC_QOS_CONTROLLER1("CMccQosController::CheckRateChangeResult end"); |
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} |
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409 |
|
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// ----------------------------------------------------------------------------- |
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// CMccQosController::HandleIcmpError |
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412 |
// ----------------------------------------------------------------------------- |
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|
413 |
// |
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parents:
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|
414 |
TBool CMccQosController::HandleIcmpError( const TMccEvent& aEvent ) |
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|
415 |
{ |
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|
416 |
__TRACE_MCC_QOS_CONTROLLER1("CMccQosController::HandleIcmpError"); |
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|
417 |
|
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|
418 |
// By default error is ignored. Only if there has been certain amount |
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|
419 |
// of errors within certain time window, error is reported. |
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|
420 |
// |
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|
421 |
TBool ignoreError( ETrue ); |
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|
422 |
|
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|
423 |
// Do first cleanup of all entries which have exceeded their monitoring |
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|
424 |
// timewindow. |
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|
425 |
TTime currentTime; |
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parents:
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|
426 |
currentTime.HomeTime(); |
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Revision: 201003
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parents:
diff
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|
427 |
TMccQosControllerIcmpError cleanupIcmpError; |
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parents:
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|
428 |
cleanupIcmpError.iErrorTimeWindowBeginning = currentTime; |
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parents:
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|
429 |
TIdentityRelation<TMccQosControllerIcmpError> |
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|
430 |
cleanupComparison( IcmpErrorCleanup ); |
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parents:
diff
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|
431 |
TInt index = iIcmpErrors.Find( cleanupIcmpError, cleanupComparison ); |
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|
432 |
while ( index != KErrNotFound ) |
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|
433 |
{ |
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parents:
diff
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|
434 |
iIcmpErrors.Remove( index ); |
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parents:
diff
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|
435 |
index = iIcmpErrors.Find( cleanupIcmpError, cleanupComparison ); |
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Revision: 201003
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parents:
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|
436 |
} |
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parents:
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changeset
|
437 |
|
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|
438 |
__TRACE_MCC_QOS_CONTROLLER1("CMccQosController::HandleIcmpError, cleanup done"); |
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parents:
diff
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|
439 |
|
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parents:
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|
440 |
TIdentityRelation<TMccQosControllerIcmpError> comparison( IcmpErrorMatch ); |
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Revision: 201003
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parents:
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|
441 |
TMccQosControllerIcmpError icmpError; |
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parents:
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|
442 |
icmpError.iLinkId = aEvent.iLinkId; |
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Revision: 201003
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parents:
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|
443 |
index = iIcmpErrors.Find( icmpError, comparison ); |
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parents:
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|
444 |
if ( index != KErrNotFound ) |
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diff
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|
445 |
{ |
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|
446 |
TMccQosControllerIcmpError& existingIcmpError = iIcmpErrors[ index ]; |
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|
447 |
existingIcmpError.iErrorCount++; |
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Revision: 201003
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|
448 |
if ( existingIcmpError.iErrorCount >= KMccIcmpErrorThreshold ) |
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parents:
diff
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|
449 |
{ |
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parents:
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|
450 |
// Report the error |
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|
451 |
ignoreError = EFalse; |
1bce908db942
Revision: 201003
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|
452 |
iIcmpErrors.Remove( index ); |
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parents:
diff
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|
453 |
} |
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diff
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|
454 |
} |
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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|
455 |
else |
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Revision: 201003
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parents:
diff
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|
456 |
{ |
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Revision: 201003
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parents:
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|
457 |
icmpError.iErrorCount = KMccFirstIcmpError; |
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Revision: 201003
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|
458 |
icmpError.iErrorTimeWindowBeginning = currentTime; |
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Revision: 201003
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|
459 |
|
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Revision: 201003
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parents:
diff
changeset
|
460 |
// It does not matter if entry cannot be added because of low memory |
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Revision: 201003
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parents:
diff
changeset
|
461 |
iIcmpErrors.Append( icmpError ); |
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Revision: 201003
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parents:
diff
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|
462 |
} |
1bce908db942
Revision: 201003
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parents:
diff
changeset
|
463 |
|
1bce908db942
Revision: 201003
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parents:
diff
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|
464 |
__TRACE_MCC_QOS_CONTROLLER3("CMccQosController::HandleIcmpError ignore:", |
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Revision: 201003
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|
465 |
ignoreError ); |
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Revision: 201003
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diff
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|
466 |
|
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Revision: 201003
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|
467 |
return ignoreError; |
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diff
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|
468 |
} |
1bce908db942
Revision: 201003
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parents:
diff
changeset
|
469 |
|
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
470 |
// ----------------------------------------------------------------------------- |
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Revision: 201003
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parents:
diff
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|
471 |
// CMccQosController::IcmpErrorMatch |
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|
472 |
// ----------------------------------------------------------------------------- |
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Revision: 201003
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parents:
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|
473 |
// |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
474 |
TBool CMccQosController::IcmpErrorMatch( |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
475 |
const TMccQosControllerIcmpError& aError1, |
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Revision: 201003
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|
476 |
const TMccQosControllerIcmpError& aError2 ) |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
477 |
{ |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
478 |
// First argument is the search term |
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Revision: 201003
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diff
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|
479 |
return ( aError1.iLinkId == aError2.iLinkId ); |
1bce908db942
Revision: 201003
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parents:
diff
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|
480 |
} |
1bce908db942
Revision: 201003
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parents:
diff
changeset
|
481 |
|
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Revision: 201003
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parents:
diff
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|
482 |
// ----------------------------------------------------------------------------- |
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Revision: 201003
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parents:
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|
483 |
// CMccQosController::IcmpErrorCleanup |
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Revision: 201003
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|
484 |
// ----------------------------------------------------------------------------- |
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Revision: 201003
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parents:
diff
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|
485 |
// |
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Revision: 201003
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parents:
diff
changeset
|
486 |
TBool CMccQosController::IcmpErrorCleanup( |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
487 |
const TMccQosControllerIcmpError& aError1, |
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
488 |
const TMccQosControllerIcmpError& aError2 ) |
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
489 |
{ |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
490 |
// First argument is the search term |
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Revision: 201003
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parents:
diff
changeset
|
491 |
TInt64 timeWindow = |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
492 |
aError1.iErrorTimeWindowBeginning.MicroSecondsFrom( |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
493 |
aError2.iErrorTimeWindowBeginning ).Int64(); |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
494 |
return ( timeWindow > KMccIcmpErrorTimeWindow ); |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
495 |
} |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
496 |
|
1bce908db942
Revision: 201003
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parents:
diff
changeset
|
497 |
// ----------------------------------------------------------------------------- |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
498 |
// CMccQosController::CMccQosController |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
499 |
// ----------------------------------------------------------------------------- |
1bce908db942
Revision: 201003
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parents:
diff
changeset
|
500 |
// |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
501 |
CMccQosController::CMccQosController( |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
502 |
MMccRateAdaptationObserver& aObserver, |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
503 |
MMccResources& aResources ) : |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
504 |
iMainObserver( aObserver ), |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
505 |
iResources( aResources ), |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
506 |
iDeltaTimerCallBack(AsyncTimerExpired, this), |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
507 |
iBitRateChanged(EFalse) |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
508 |
{ |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
509 |
__TRACE_MCC_QOS_CONTROLLER1("CMccQosController::CMccQosController"); |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
510 |
iDeltaTimerEntry.Set(iDeltaTimerCallBack); |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
511 |
} |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
512 |
|
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
513 |
// ----------------------------------------------------------------------------- |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
514 |
// CMccQosController::ConstructL |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
515 |
// ----------------------------------------------------------------------------- |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
516 |
// |
1bce908db942
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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517 |
void CMccQosController::ConstructL() |
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{ |
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__TRACE_MCC_QOS_CONTROLLER1("CMccQosController::ConstructL"); |
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iDeltaTimer = CDeltaTimer::NewL(CActive::EPriorityStandard); |
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iEventCounter = 0; |
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#ifdef RATECONTROL |
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//rate control threshold values |
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|
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iThresholdValues.iFractionLostHigh = 30; |
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iThresholdValues.iFractionLostLow = 0; |
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|
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iRoundTripTime = 0; |
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|
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iAdapted = EFalse; |
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|
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#endif //RATECONTROL |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CMccQosController::DoAdaptation |
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// ----------------------------------------------------------------------------- |
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// |
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void CMccQosController::DoAdaptation() |
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{ |
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StartTimerForAsync(); |
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iAdapted = ETrue; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CMccQosController::GetShortTermComparisonDelay |
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// ----------------------------------------------------------------------------- |
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// |
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TInt CMccQosController::GetShortTermComparisonDelay() |
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550 |
{ |
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if ( iRoundTripDelayOfPreviousShortPeriod ) |
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{ |
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return iRoundTripDelayOfPreviousShortPeriod; |
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} |
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|
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return iRoundTripTime; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CMccQosController::CalculateDelayOfShortTermPeriod |
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// ----------------------------------------------------------------------------- |
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// |
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TInt CMccQosController::CalculateDelayOfShortTermPeriod() |
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{ |
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TInt roundTripDelayOfThisPeriod( 0 ); |
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for ( TInt i = 0; i < KMccShortTermCalculation; i++ ) |
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{ |
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roundTripDelayOfThisPeriod += iRoundTripDelays[ i ]; |
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} |
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return ( roundTripDelayOfThisPeriod / KMccShortTermCalculation ); |
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} |
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|
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// End of file |
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574 |