AuroraRuntime/Source/IO/FS/Async.Linux.hpp

93 lines
2.7 KiB
C++

/***
Copyright (C) 2022 J Reece Wilson (a/k/a "Reece"). All rights reserved.
File: Async.Linux.hpp
Date: 2022-4-12
Author: Reece
***/
#pragma once
namespace Aurora::IO::IPC
{
struct IPCPipeImpl;
}
namespace Aurora::IO::FS
{
struct LinuxAsyncFileTransaction;
struct LinuxAsyncFileTransactionLoopSource;
struct ProcessBlock
{
AuMutex externalLock;
Processes::IProcess *pProcess;
AuList<Aurora::IO::UNIX::ASubmittable *> submits;
bool bDead {};
};
struct LinuxAsyncFileStream : IAsyncFileStream
{
AuSPtr<IAsyncTransaction> NewTransaction() override;
bool BlockingTruncate(AuUInt64 length) override;
bool BlockingRead(AuUInt64 offset, const Memory::MemoryViewStreamWrite &parameters) override;
bool BlockingWrite(AuUInt64 offset, const Memory::MemoryViewStreamRead &parameters) override;
void Init(const AuSPtr<IIOHandle> &handle);
void CheckProcess();
void MakeProcess(Processes::IProcess *pProcess);
AuSPtr<IIOHandle> GetHandle();
private:
AuSPtr<ProcessBlock> pProcessBlock_;
AuSPtr<IIOHandle> pHandle_;
};
struct LinuxAsyncFileTransaction : IAsyncTransaction, AuEnableSharedFromThis<LinuxAsyncFileTransaction>, Aurora::IO::UNIX::ASubmittable
{
LinuxAsyncFileTransaction(AuSPtr<ProcessBlock> pProcessBlock);
~LinuxAsyncFileTransaction();
bool Init(const AuSPtr<IIOHandle> &handle);
bool StartRead(AuUInt64 offset, const AuSPtr<AuMemoryViewWrite> &memoryView) override;
bool StartWrite(AuUInt64 offset, const AuSPtr<AuMemoryViewRead> &memoryView) override;
bool Complete() override;
bool HasFailed() override;
AuUInt GetOSErrorCode() override;
bool HasCompleted() override;
AuUInt32 GetLastPacketLength() override;
void SetCallback(const AuSPtr<IAsyncFinishedSubscriber> &sub) override;
bool Wait(AuUInt32 timeout) override;
AuSPtr<AuLoop::ILoopSource> NewLoopSource() override;
void Reset() override;
void DispatchCb();
AuSPtr<IIOHandle> GetFileHandle();
void SetBaseOffset(AuUInt64 uBaseOffset) override;
virtual void LIOS_Process(AuUInt32 read, bool failure, int err, bool mark) override;
AuSPtr<ProcessBlock> pProcessBlock_;
private:
AuSPtr<IIOHandle> pHandle_;
AuUInt64 lastAbstractOffset_ {};
AuUInt32 lastFinishedStat_ {};
AuUInt64 uBaseOffset {};
bool latch_ {};
bool bTxFinished_ {};
AuSPtr<IAsyncFinishedSubscriber> sub_;
AuSPtr<LinuxAsyncFileTransactionLoopSource> loopSource_;
int error_ {};
bool hasError_ {};
};
}