108 lines
3.3 KiB
C++
108 lines
3.3 KiB
C++
/***
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Copyright (C) 2022 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: Async.Linux.hpp
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Date: 2022-4-12
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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 LinuxAsyncFileTransaction;
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struct LinuxAsyncFileTransactionLoopSource;
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struct ProcessBlock
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{
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AuMutex externalLock;
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Processes::IProcess *pProcess;
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AuList<Aurora::IO::UNIX::ASubmittable *> submits;
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bool bDead {};
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};
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struct LinuxAsyncFileStream : 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> &handle);
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void CheckProcess();
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void MakeProcess(Processes::IProcess *pProcess);
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AuSPtr<IIOHandle> GetHandle();
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private:
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AuSPtr<ProcessBlock> pProcessBlock_;
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AuSPtr<IIOHandle> pHandle_;
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AuSPtr<IFileStream> pCache_;
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};
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struct LinuxAsyncFileTransaction : IAsyncTransaction,
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CompletionGroup::ICompletionGroupWorkItem,
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AuEnableSharedFromThis<LinuxAsyncFileTransaction>,
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Aurora::IO::UNIX::ASubmittable
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{
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LinuxAsyncFileTransaction(AuSPtr<ProcessBlock> pProcessBlock);
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~LinuxAsyncFileTransaction();
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bool Init(const AuSPtr<IIOHandle> &handle);
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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 Complete() override;
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bool HasFailed() override;
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AuUInt GetOSErrorCode() override;
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bool HasCompleted() override;
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AuUInt32 GetLastPacketLength() override;
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void SetCallback(const AuSPtr<IAsyncFinishedSubscriber> &sub) 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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void DispatchCb();
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AuSPtr<IIOHandle> GetFileHandle();
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void SetBaseOffset(AuUInt64 uBaseOffset) override;
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void LIOS_Process(AuUInt32 read, bool failure, int err, bool mark) 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 HasCompletedForGCWI() override;
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void CleanupForGCWI() override;
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AuSPtr<ProcessBlock> pProcessBlock_;
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private:
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AuSPtr<IIOHandle> pHandle_;
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AuUInt64 lastAbstractOffset_ {};
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AuUInt32 lastFinishedStat_ {};
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AuUInt64 uBaseOffset {};
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bool latch_ {};
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bool bTxFinished_ {};
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AuSPtr<CompletionGroup::ICompletionGroup> pCompletionGroup_;
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AuSPtr<IAsyncFinishedSubscriber> sub_;
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AuSPtr<LinuxAsyncFileTransactionLoopSource> loopSource_;
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int error_ {};
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bool hasError_ {};
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Loop::ILSEvent *pAltEvent {};
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};
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} |