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fix UnreachableException

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This commit is contained in:
Vinzenz Schroeter 2024-05-08 00:29:51 +02:00
parent 827b3a9330
commit c7bfceffe1
1 changed files with 6 additions and 18 deletions
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24
tanks-backend/TanksServer/Interactivity/DroppablePackageRequestConnection.cs
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@ -10,27 +10,15 @@ internal abstract class DroppablePackageRequestConnection<TPackage>(
where TPackage : class, IDisposable
{
private readonly AsyncAutoResetEvent _nextPackageEvent = new(false, 1);
private int _runningMessageHandlers = 0;
private TPackage? _next;
protected override ValueTask HandleMessageAsync(Memory<byte> _)
protected override async ValueTask HandleMessageAsync(Memory<byte> _)
{
if (Interlocked.Increment(ref _runningMessageHandlers) == 1)
return Core();
// client has requested multiple frames, ignoring duplicate requests
Interlocked.Decrement(ref _runningMessageHandlers);
return ValueTask.CompletedTask;
async ValueTask Core()
{
await _nextPackageEvent.WaitAsync();
var package = Interlocked.Exchange(ref _next, null);
if (package == null)
throw new UnreachableException("package should be set here");
await SendPackageAsync(package);
Interlocked.Decrement(ref _runningMessageHandlers);
}
await _nextPackageEvent.WaitAsync();
var package = Interlocked.Exchange(ref _next, null);
if (package == null)
return;
await SendPackageAsync(package);
}
protected void SetNextPackage(TPackage next)