65 lines
1.8 KiB
C#
65 lines
1.8 KiB
C#
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using System.Buffers;
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using System.Reactive.Subjects;
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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 ObservablePipeTarget : PipeTarget, IObservable<Data>
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{
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private readonly Subject<Data> _Data = new();
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public override async Task CopyFromAsync(Stream source, CancellationToken ct = new CancellationToken())
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{
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using var buffer = MemoryPool<Byte>.Shared.Rent(81920);
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while (true)
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{
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Int32 bytesRead;
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try
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{
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bytesRead = await source
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.ReadAsync(buffer.Memory, ct)
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.ConfigureAwait(false);
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}
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catch (Exception e)
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{
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_Data.OnError(e);
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break;
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}
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if (ct.IsCancellationRequested || bytesRead == 0)
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{
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_Data.OnCompleted();
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break;
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}
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buffer.Memory[..bytesRead]
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.ToArray()
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.Apply(_Data.OnNext);
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}
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// var memory = buffer.Memory;
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//
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// return Observable
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// .Repeat(Unit.Default)
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// .TakeWhile(_ => !ct.IsCancellationRequested)
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// .Select(async _ =>
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// {
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// var bytesRead = await source.ReadAsync(memory, ct);
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// _Data.OnNext(memory[..bytesRead]);
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// })
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// .Select(t => t.ToObservable())
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// .Merge(maxConcurrent: 1)
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// .ToTask(ct);
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}
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public IDisposable Subscribe(IObserver<IReadOnlyList<Byte>> observer) => _Data.Subscribe(observer);
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//public IDisposable Subscribe(IObserver<String> observer) => _Lines.Subscribe(observer);
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}
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