AuroraRuntime/Source/IO/Net/AuNetStream.Linux.hpp

/***
    Copyright (C) 2022 J Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: AuNetStream.Linux.hpp
    Date: 2022-8-26
    Author: Reece
***/
#pragma once

#include <Source/IO/Loop/Loop.hpp>
#include <Source/IO/Loop/ILoopSourceEx.hpp>
#include <Source/IO/Loop/LSHandle.hpp>
#include <Source/IO/Loop/LSEvent.hpp>
#include <Source/IO/FS/Async.Linux.hpp>
#include <Source/IO/UNIX/IOSubmit.Linux.hpp>

namespace Aurora::IO::Net
{
    struct SocketBase;

    struct LinuxAsyncNetworkTransaction :
        IAsyncTransaction,
        CompletionGroup::ICompletionGroupWorkItem,
        AuEnableSharedFromThis<LinuxAsyncNetworkTransaction>, Aurora::IO::UNIX::ASubmittable
    {
        LinuxAsyncNetworkTransaction(SocketBase *pSocket);
        ~LinuxAsyncNetworkTransaction();

        bool     StartRead(AuUInt64 offset, const AuMemoryViewWrite &memoryView) override;
        bool     StartWrite(AuUInt64 offset, const AuMemoryViewRead &memoryView) override;

        bool     Complete() override;

        bool     CompleteEx(AuUInt completeRoutine);

        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 SetBaseOffset(AuUInt64 uBaseOffset) override;

        virtual void LIOS_Process(AuUInt32 read, bool failure, int err, bool mark) override;

        bool HasCompletedForGCWI() override;
        void CleanupForGCWI() override;

        void MakeSyncable();
        void ForceNextWriteWait();

        bool IDontWannaUsePorts();

        void DispatchCb(AuUInt32 len);
        
        int GetSocket();
        AuLoop::ILSEvent *GetAlertable();

        bool   TranslateLastError(bool bReturnValue);
        
        bool TryAttachToCompletionGroup(const AuSPtr<CompletionGroup::ICompletionGroup> &pCompletionGroup) override;
        CompletionGroup::ICompletionGroupWorkHandle *ToCompletionGroupHandle() override;
        AuSPtr<CompletionGroup::ICompletionGroup> GetCompletionGroup() override;

        SocketBase * pSocket;
        AuSPtr<Loop::ILSEvent> pWaitable;
        bool         bForceNextWait {};
        AuSPtr<LinuxAsyncNetworkTransaction> pPin;
        AuUInt32     dwLastAbstractStat {},
                     dwLastAbstractOffset {},
                     dwLastBytes {};
        bool         bIsIrredeemable {};
        bool         bLatch {};
        AuUInt32     dwOsErrorCode {};
        AuUInt32     dwRecvFlags {};
        AuUInt32     dwSendFlags {};
        bool         bHasFailed {};
        AuSPtr<void> pMemoryHold;
        bool         bDisallowRecv {};
        bool         bDisallowSend {};
        bool         bSendEOSOnce {};
        bool         bIsWriting {};
        bool         bDatagramMode {};
        AuSPtr<IAsyncFinishedSubscriber> pSub;
        AuSPtr<CompletionGroup::ICompletionGroup> pCompletionGroup_;
        int          iSocketLength {};
        NetEndpoint  netEndpoint;

    };
}