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#rb johan.berg #jira ue-114532 #rnx #ROBOMERGE-SOURCE: CL 16979281 in //UE5/Main/... #ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v838-16927207) [CL 16979283 by martin ridgers in ue5-release-engine-test branch]
129 lines
3.3 KiB
C++
129 lines
3.3 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "Processor.h"
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#include "HAL/Event.h"
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#include "HAL/PlatformProcess.h"
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#include "HAL/RunnableThread.h"
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#include "StreamReader.h"
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#include "Templates/UnrealTemplate.h"
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#include "Trace/DataStream.h"
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namespace UE {
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namespace Trace {
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////////////////////////////////////////////////////////////////////////////////
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FAnalysisProcessor::FImpl::FImpl(IInDataStream& InDataStream, TArray<IAnalyzer*>&& InAnalyzers)
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: AnalysisEngine(Forward<TArray<IAnalyzer*>>(InAnalyzers))
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, DataStream(InDataStream)
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, StopEvent(FPlatformProcess::GetSynchEventFromPool(true))
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, UnpausedEvent(FPlatformProcess::GetSynchEventFromPool(true))
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{
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Thread = FRunnableThread::Create(this, TEXT("TraceAnalysis"));
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PauseAnalysis(false);
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}
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////////////////////////////////////////////////////////////////////////////////
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FAnalysisProcessor::FImpl::~FImpl()
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{
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StopAnalysis();
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FPlatformProcess::ReturnSynchEventToPool(UnpausedEvent);
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FPlatformProcess::ReturnSynchEventToPool(StopEvent);
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}
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////////////////////////////////////////////////////////////////////////////////
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uint32 FAnalysisProcessor::FImpl::Run()
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{
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AnalysisEngine.Begin();
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FStreamBuffer Buffer;
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while (!StopEvent->Wait(0, true))
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{
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UnpausedEvent->Wait();
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int32 BytesRead = Buffer.Fill([&] (uint8* Out, uint32 Size)
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{
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return DataStream.Read(Out, Size);
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});
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if (BytesRead <= 0)
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{
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break;
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}
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if (!AnalysisEngine.OnData(Buffer))
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{
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break;
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}
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}
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AnalysisEngine.End();
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bComplete = true;
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return 0;
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}
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////////////////////////////////////////////////////////////////////////////////
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bool FAnalysisProcessor::FImpl::IsActive() const
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{
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return !bComplete;
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}
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////////////////////////////////////////////////////////////////////////////////
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void FAnalysisProcessor::FImpl::StopAnalysis()
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{
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if (IsActive())
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{
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StopEvent->Trigger();
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WaitOnAnalysis();
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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void FAnalysisProcessor::FImpl::WaitOnAnalysis()
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{
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if (IsActive())
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{
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Thread->Kill(true);
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delete Thread;
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Thread = nullptr;
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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void FAnalysisProcessor::FImpl::PauseAnalysis(bool bState)
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{
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if (IsActive())
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{
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bState ? UnpausedEvent->Reset() : UnpausedEvent->Trigger();
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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bool FAnalysisProcessor::IsActive() const { return (Impl != nullptr) ? Impl->IsActive() : false; }
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void FAnalysisProcessor::Stop() { if (Impl != nullptr) { Impl->StopAnalysis(); } }
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void FAnalysisProcessor::Wait() { if (Impl != nullptr) { Impl->WaitOnAnalysis(); } }
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void FAnalysisProcessor::Pause(bool bState) { if (Impl != nullptr) { Impl->PauseAnalysis(bState); } }
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////////////////////////////////////////////////////////////////////////////////
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FAnalysisProcessor::FAnalysisProcessor(FAnalysisProcessor&& Rhs)
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{
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this->operator = (MoveTemp(Rhs));
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}
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////////////////////////////////////////////////////////////////////////////////
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FAnalysisProcessor& FAnalysisProcessor::operator = (FAnalysisProcessor&& Rhs)
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{
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Swap(Impl, Rhs.Impl);
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return *this;
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}
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////////////////////////////////////////////////////////////////////////////////
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FAnalysisProcessor::~FAnalysisProcessor()
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{
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delete Impl;
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}
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} // namespace Trace
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} // namespace UE
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