56 lines
1.8 KiB
C#
56 lines
1.8 KiB
C#
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using System.Reactive.Linq;
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using System.Reactive.Subjects;
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using System.Reactive.Threading.Tasks;
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using CliWrap;
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namespace InnovEnergy.Lib.Utils.WIP;
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using Data = IReadOnlyList<Byte>;
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public class ObservableProcess
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{
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private readonly Command _Command;
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private readonly CancellationTokenSource _Kill = new CancellationTokenSource();
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private readonly CancellationTokenSource _Interrupt = new CancellationTokenSource();
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private readonly ObserverPipeSource _StdIn = new ObserverPipeSource();
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private readonly ReadablePipeTarget _StdOut = new ReadablePipeTarget();
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private readonly ReadablePipeTarget _StdErr = new ReadablePipeTarget();
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public IObserver<Data> StdIn => _StdIn;
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private readonly Subject<Int32> _Pid = new Subject<Int32>();
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private readonly Subject<Int32> _ExitCode = new Subject<Int32>();
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public Task<Int32> Pid { get; }
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public Task<Int32> ExitCode { get; }
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public Task<Data> Read(Int32 nBytes) => _StdOut.Read(nBytes);
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public ObservableProcess(Command command)
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{
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_Command = command;
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Pid = _Pid.ToTask();
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ExitCode = _ExitCode.ToTask();
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}
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public void Start()
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{
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var commandTask = _Command
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.WithStandardInputPipe(_StdIn)
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.WithStandardOutputPipe(_StdOut)
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.WithStandardErrorPipe(_StdErr)
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.ExecuteAsync(_Kill.Token, _Interrupt.Token);
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_Pid.OnNext(commandTask.ProcessId);
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commandTask.Task
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.ToObservable()
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.Select(t => t.ExitCode)
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.Subscribe(_ExitCode);
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}
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public void Kill() => _Kill.Cancel();
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public void Interrupt() => _Interrupt.Cancel();
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}
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