50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
/***
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Copyright (C) 2022 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: IOAdapterAsyncStream.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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namespace Aurora::IO
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{
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struct IAsyncStreamReader : IStreamReader
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{
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/**
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* @brief Optional advanced use case.
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* Begins work given caller provided memory
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* @return
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*/
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virtual EStreamError BeginRead(const AuSPtr<Memory::MemoryViewWrite> &internalView) = 0;
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/**
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* @brief Optional advanced use case.
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* Dequeues work done by begin read
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* @return
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*/
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virtual EStreamError Dequeue(AuUInt reqLength, Memory::MemoryViewWrite &out) = 0;
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};
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struct IAsyncStreamAdapter
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{
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virtual bool SetFlushOnWrite(bool value) = 0;
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virtual void ReserveBuffer(AuUInt64 length) = 0;
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virtual AuUInt64 GetReadOffset() = 0;
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virtual AuUInt64 SetReadOffset(AuUInt64 offset) = 0;
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virtual AuUInt64 GetWriteOffset() = 0;
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virtual AuUInt64 SetWriteOffset(AuUInt64 offset) = 0;
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virtual AuSPtr<IAsyncStreamReader> ToStreamReader() = 0;
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virtual AuSPtr<IStreamWriter> ToStreamWriter() = 0;
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virtual AuSPtr<IIOWaitableItem> ToWaitable() = 0;
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virtual bool Reset() = 0;
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};
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AUKN_SYM AuSPtr<IAsyncStreamAdapter> NewAsyncStreamAdapter(const AuSPtr<IAsyncTransaction> &pTransaction, bool bIsStream);
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} |