feat: upgrade to .NET 6, refactor everything
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@@ -1,63 +1,58 @@
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using System;
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using System.Threading;
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using System.Threading.Tasks;
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namespace Myriad.Gateway.State;
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namespace Myriad.Gateway.State
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public class HeartbeatWorker: IAsyncDisposable
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{
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public class HeartbeatWorker: IAsyncDisposable
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private Task? _worker;
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private CancellationTokenSource? _workerCts;
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public TimeSpan? CurrentHeartbeatInterval { get; private set; }
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public async ValueTask DisposeAsync()
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{
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private Task? _worker;
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private CancellationTokenSource? _workerCts;
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await Stop();
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}
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public TimeSpan? CurrentHeartbeatInterval { get; private set; }
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public async ValueTask Start(TimeSpan heartbeatInterval, Func<Task> callback)
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{
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if (_worker != null)
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await Stop();
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CurrentHeartbeatInterval = heartbeatInterval;
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_workerCts = new CancellationTokenSource();
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_worker = Worker(heartbeatInterval, callback, _workerCts.Token);
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}
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public async ValueTask Stop()
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{
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if (_worker == null)
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return;
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_workerCts?.Cancel();
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try
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{
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await _worker;
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}
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catch (TaskCanceledException) { }
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_worker?.Dispose();
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_workerCts?.Dispose();
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_worker = null;
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CurrentHeartbeatInterval = null;
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}
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private async Task Worker(TimeSpan heartbeatInterval, Func<Task> callback, CancellationToken ct)
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{
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var initialDelay = GetInitialHeartbeatDelay(heartbeatInterval);
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await Task.Delay(initialDelay, ct);
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while (!ct.IsCancellationRequested)
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{
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await callback();
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await Task.Delay(heartbeatInterval, ct);
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}
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}
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private static TimeSpan GetInitialHeartbeatDelay(TimeSpan heartbeatInterval) =>
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// Docs specify `heartbeat_interval * random.random()` but we'll add a lil buffer :)
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heartbeatInterval * (new Random().NextDouble() * 0.9 + 0.05);
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public async ValueTask DisposeAsync()
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{
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public async ValueTask Start(TimeSpan heartbeatInterval, Func<Task> callback)
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{
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if (_worker != null)
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await Stop();
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CurrentHeartbeatInterval = heartbeatInterval;
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_workerCts = new CancellationTokenSource();
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_worker = Worker(heartbeatInterval, callback, _workerCts.Token);
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}
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public async ValueTask Stop()
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{
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if (_worker == null)
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return;
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_workerCts?.Cancel();
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try
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{
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await _worker;
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}
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catch (TaskCanceledException) { }
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_worker?.Dispose();
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_workerCts?.Dispose();
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_worker = null;
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CurrentHeartbeatInterval = null;
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}
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private async Task Worker(TimeSpan heartbeatInterval, Func<Task> callback, CancellationToken ct)
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{
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var initialDelay = GetInitialHeartbeatDelay(heartbeatInterval);
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await Task.Delay(initialDelay, ct);
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while (!ct.IsCancellationRequested)
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{
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await callback();
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await Task.Delay(heartbeatInterval, ct);
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}
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}
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private static TimeSpan GetInitialHeartbeatDelay(TimeSpan heartbeatInterval) =>
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// Docs specify `heartbeat_interval * random.random()` but we'll add a lil buffer :)
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heartbeatInterval * (new Random().NextDouble() * 0.9 + 0.05);
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}
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