69 lines
2.9 KiB
C++
69 lines
2.9 KiB
C++
/***
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Copyright (C) 2024 Jamie Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: FSMemoryMappedFile.hpp
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Date: 2024-03-05
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Author: Reece
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***/
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#pragma once
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namespace Aurora::IO::FS
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{
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struct MemoryMappedFile : IMemoryMappedFile, IAsyncFileStream
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{
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virtual IIOHandle * ToHandle() override;
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virtual IAsyncFileStream * ToAsyncFile() override;
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virtual AuUInt GetBaseAddress() override;
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virtual AuUInt GetEndAddress() override;
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virtual AuUInt GetLength() override;
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virtual AuSPtr<IStreamReader> NewStreamReader() override;
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virtual AuSPtr<IStreamWriter> NewStreamWriter() override;
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void InitTransactions();
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virtual AuSPtr<IAsyncTransaction> NewAsyncReadTransaction() override;
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virtual AuSPtr<IAsyncTransaction> NewAsyncWriteTransaction() override;
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virtual AuSPtr<IAsyncTransaction> NewAsyncAnyTransaction() override;
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virtual ISeekingReader * ToStreamSeekingReader() override;
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virtual ISeekingWriter * ToStreamSeekingWriter() override;
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AuMemoryViewRead ToReadView();
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AuMemoryViewWrite ToWriteView();
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AuMemoryViewRead ToReadViewAlt();
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AuMemoryViewWrite ToWriteViewAlt();
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virtual void Flush(AuUInt uOffset,
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AuUInt uLength) override;
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virtual void Prefetch(AuUInt uOffset,
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AuUInt uLength) override;
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AuSPtr<IAsyncTransaction> NewTransaction() override;
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bool BlockingTruncate(AuUInt64 length) override;
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bool BlockingRead(AuUInt64 offset, const Memory::MemoryViewStreamWrite ¶meters) override;
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bool BlockingWrite(AuUInt64 offset, const Memory::MemoryViewStreamRead ¶meters) override;
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bool Init(EFileOpenMode eMode,
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AuUInt64 uFileMapOffset,
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AuUInt64 uFileMapLength,
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AuInt64 iAdjustStreamOffset,
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EFileAdvisoryLockLevel eLockLevel);
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AuIOHandle handle;
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AuSPtr<AuIO::IIOHandle> pHandleShared;
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AuSPtr<AuProcess::IProcessSectionMapView> pView;
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AuUInt64 uFileMapLength;
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EFileOpenMode eMode;
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AuUInt64 uFileMapOffset;
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AuInt64 iAdjustStreamOffset;
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AuOptional<IO::Buffered::ViewSeekableWriter> optSeekableWriter;
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AuOptional<IO::Buffered::ViewSeekableReader> optSeekableReader;
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AuInitOnce initOnce;
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AuSPtr<IO::Buffered::ViewSeekableReader> pStreamReader;
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AuSPtr<IO::Buffered::ViewSeekableWriter> pStreamWriter;
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};
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} |