111 lines
3.3 KiB
C++
111 lines
3.3 KiB
C++
/***
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Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: Async.NT.hpp
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Date: 2021-9-13
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Author: Reece
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***/
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#pragma once
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namespace Aurora::IO::IPC
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{
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struct IPCPipeImpl;
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}
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namespace Aurora::IO::FS
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{
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struct NtAsyncFileStream : IAsyncFileStream
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{
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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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void Init(const AuSPtr<IIOHandle> &pHandle);
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AuSPtr<IIOHandle> GetHandle();
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private:
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AuSPtr<IIOHandle> pHandle_;
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AuSPtr<IFileStream> pCache_;
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};
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struct NtAsyncFileTransaction :
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IAsyncTransaction,
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CompletionGroup::ICompletionGroupWorkItem,
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AuEnableSharedFromThis<NtAsyncFileTransaction>
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{
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~NtAsyncFileTransaction();
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bool Init(const AuSPtr<IIOHandle> &handle);
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bool InitWeak(const AuSPtr<IIOHandle> &handle);
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void ResetAIO();
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bool StartRead(AuUInt64 offset, const AuMemoryViewWrite &memoryView) override;
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bool StartWrite(AuUInt64 offset, const AuMemoryViewRead &memoryView) override;
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bool isIrredeemable_ {};
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bool HasCompleted() override;
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bool Complete() override;
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bool HasCompletedForGCWI() override;
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void CleanupForGCWI() override;
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bool CompleteEx(AuUInt completeRoutine, bool bForce = false);
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bool HasFailed() override;
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AuUInt GetOSErrorCode() override;
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AuUInt32 GetLastPacketLength() override;
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void SetCallback(const AuSPtr<IAsyncFinishedSubscriber> &sub) override;
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void SetBaseOffset(AuUInt64 uBaseOffset) override;
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bool Wait(AuUInt32 timeout) override;
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AuSPtr<AuLoop::ILoopSource> NewLoopSource() override;
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void Reset() override;
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bool TryAttachToCompletionGroup(const AuSPtr<CompletionGroup::ICompletionGroup> &pCompletionGroup) override;
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CompletionGroup::ICompletionGroupWorkHandle *ToCompletionGroupHandle() override;
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AuSPtr<CompletionGroup::ICompletionGroup> GetCompletionGroup() override;
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bool IDontWannaUsePorts();
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void DispatchCb(AuUInt32 len);
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void RoutineCallCB(AuUInt32 len);
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#if defined(__AUHAS_COROUTINES_CO_AWAIT) && defined(AU_LANG_CPP_20_)
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AuVoidTask RoutineCallCB_(AuUInt32 len);
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#endif
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HANDLE GetHandle();
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AuSPtr<IIOHandle> GetFileHandle();
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OVERLAPPED overlap {};
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HANDLE event = INVALID_HANDLE_VALUE;
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AuSPtr<NtAsyncFileTransaction> pPin;
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AuUInt32 dwLastAbstractStat {};
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AuUInt64 qwLastAbstractOffset {};
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bool bLatch {};
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AuUInt32 dwLastBytes {};
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AuUInt32 dwOsErrorCode {};
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bool bHasFailed {};
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AuUInt64 uBaseOffset {};
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AuWPtr<Aurora::IO::IPC::IPCPipeImpl> pNtIpcPipeImpl;
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AuMemoryViewRead readView;
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AuMemoryViewWrite writeView;
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private:
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AuSPtr<IIOHandle> pHandle_;
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AuWPtr<IIOHandle> wpHandle_;
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AuSPtr<IAsyncFinishedSubscriber> pSub_;
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bool bOwnsEvent_ { true };
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AuSPtr<CompletionGroup::ICompletionGroup> pCompletionGroup_;
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};
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} |