158 lines
4.2 KiB
C++
158 lines
4.2 KiB
C++
/***
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Copyright (C) 2022 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: IOPipeProcessor.hpp
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Date: 2022-6-6
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Author: Reece
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***/
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#pragma once
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#include <Aurora/Utility/ThroughputCalculator.hpp>
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namespace Aurora::IO
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{
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struct IOProcessor;
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struct IOPipeWork;
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struct IOPipeProcessor;
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struct IOWorkStart : IIOProcessorWorkUnit
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{
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IOWorkStart(IOPipeWork *parent);
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void OnRun() override;
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void OnCanceled() override;
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IOPipeWork *parent {};
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};
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struct IOWorkEnd : IIOProcessorWorkUnit
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{
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IOWorkEnd(IOPipeWork *parent);
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void OnRun() override;
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void OnCanceled() override;
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IOPipeWork *parent {};
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};
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struct IOPipeWork :
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IIOPipeWork,
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IIOEventListenerFunctional,
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AuEnableSharedFromThis<IIOPipeWork>
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{
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IOPipeWork(const AuSPtr<IOPipeProcessor> &pParent, const IOPipeRequestAIO &request);
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IOPipeWork(const AuSPtr<IOPipeProcessor> &pParent, const IOPipeRequestBasic &request);
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AuSPtr<IIOProcessorItem> pWatch;
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void Tick_FrameEpilogue() override;
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void Tick_Any() override;
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void OnFailureCompletion() override;
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void OnNominalCompletion() override;
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virtual bool Start() override;
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virtual bool End() override;
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virtual AuInt64 GetLastTickMS() override;
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virtual AuInt64 GetStartTickMS() override;
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virtual AuUInt64 GetBytesProcessed() override;
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virtual AuUInt64 GetBytesProcessedInterframe() override;
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virtual double GetPredictedThroughput() override;
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virtual AuUInt SetNextFrameTargetLength(AuUInt uLength) override;
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virtual AuUInt GetNextFrameTargetLength() override;
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virtual bool ReallocateLater(AuUInt uLength) override;
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virtual bool IsReallocationPending() override;
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virtual bool DidLastReallocFail() override;
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virtual AuUInt GetSuccessfulReallocations() override;
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virtual AuUInt GetFailedReallocations() override;
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virtual void RunOnThread();
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virtual void TerminateOnThread(bool bError = false);
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// INIT
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void PrepareStream();
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void PrepareAsync();
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// PUMP
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void AsyncPump();
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void StreamPump();
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// END/INIT
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void ReadNext();
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void ReadNextAsync();
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AuUInt32 TryPump();
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void DoReallocTick();
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void FailRealloc();
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void SuccessRealloc();
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AuUInt GetNextFrameLength(AuUInt uBytesMax);
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AuUInt GetNextFrameLength2();
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AuMemoryViewWrite nextWriteAsync_;
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IOPipeRequest request {};
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bool bShouldReadNext { false };
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bool bShouldBypassIOWatch { false };
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bool IsAtRequestedEnd();
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AuByteBuffer *GetBuffer();
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AuSPtr<Protocol::IProtocolStack> pProtocolStack;
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private:
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AuSPtr<IOPipeProcessor> parent_;
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struct /*not a union. the following members are mutex*/
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{
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IOPipeInputData input_;
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AuSPtr<IAsyncTransaction> pAsyncTransaction_;
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AuSPtr<Adapters::IAsyncStreamAdapter> pAsyncAdapter_;
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AuSPtr<Adapters::IAsyncStreamReader> pAsyncStreamReader_;
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};
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IOPipeCallback output;
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IOWorkStart startCallback;
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IOWorkEnd endCallback;
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AuUInt64 iStartTickMS_ {};
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bool bActive {true};
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AuUInt32 uBufferSize_ {};
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AuUInt32 uFrameCap_ {};
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AuUInt uBytesWritten_ {};
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AuUInt uBytesWrittenLimit_ {};
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AuUInt uBytesWrittenTarget_ {};
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AuUInt uBytesPerFrame_ {};
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bool bReadEntireAllocation_ {};
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AuByteBuffer buffer_;
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Aurora::Utility::ThroughputCalculator throughput_;
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AuUInt bytesProcessedInterframe_ {};
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bool bWritingAheadLowLatency {};
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bool bWritingAheadIOUOneTerminate {};
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AuUInt uPendingRealloc_ {};
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AuUInt uReallocs_[2] { 0, 0 };
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bool bLastReallocFail { true };
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};
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struct IOPipeProcessor : IIOPipeProcessor
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{
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IOPipeProcessor(IOProcessor *parent);
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virtual AuSPtr<IIOPipeWork> NewBasicPipe(const IOPipeRequestBasic &request) override;
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virtual AuSPtr<IIOPipeWork> NewAIOPipe(const IOPipeRequestAIO &request) override;
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IOProcessor *parent_;
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};
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} |