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Remove task cancellation hacks

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This commit is contained in:
Bond_009 2021-11-18 14:13:43 +01:00
parent 98962cc21f
commit 3ab0afdc6b
2 changed files with 18 additions and 40 deletions
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46
Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs
View file

@ -165,7 +165,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
{
await CopyTo(udpClient, TempFilePath, openTaskCompletionSource, cancellationToken).ConfigureAwait(false);
}
catch (OperationCanceledException ex)
catch (Exception ex) when (ex is OperationCanceledException || ex is TimeoutException)
{
Logger.LogInformation("HDHR UDP stream cancelled or timed out from {0}", remoteAddress);
openTaskCompletionSource.TrySetException(ex);
@ -191,36 +191,24 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
while (true)
{
cancellationToken.ThrowIfCancellationRequested();
using (var timeOutSource = new CancellationTokenSource())
using (var linkedSource = CancellationTokenSource.CreateLinkedTokenSource(
cancellationToken,
timeOutSource.Token))
var res = await udpClient.ReceiveAsync(cancellationToken)
.AsTask()
.WaitAsync(TimeSpan.FromMilliseconds(30000), CancellationToken.None)
.ConfigureAwait(false);
var buffer = res.Buffer;
var read = buffer.Length - RtpHeaderBytes;
if (read > 0)
{
var resTask = udpClient.ReceiveAsync(linkedSource.Token).AsTask();
if (await Task.WhenAny(resTask, Task.Delay(30000, linkedSource.Token)).ConfigureAwait(false) != resTask)
{
resTask.Dispose();
break;
}
await fileStream.WriteAsync(buffer.AsMemory(RtpHeaderBytes, read), cancellationToken).ConfigureAwait(false);
}
// We don't want all these delay tasks to keep running
timeOutSource.Cancel();
var res = await resTask.ConfigureAwait(false);
var buffer = res.Buffer;
var read = buffer.Length - RtpHeaderBytes;
if (read > 0)
{
await fileStream.WriteAsync(buffer.AsMemory(RtpHeaderBytes, read), linkedSource.Token).ConfigureAwait(false);
}
if (!resolved)
{
resolved = true;
DateOpened = DateTime.UtcNow;
openTaskCompletionSource.TrySetResult(true);
}
if (!resolved)
{
resolved = true;
DateOpened = DateTime.UtcNow;
openTaskCompletionSource.TrySetResult(true);
}
}
}

12
Emby.Server.Implementations/Udp/UdpServer.cs
View file

@ -97,21 +97,11 @@ namespace Emby.Server.Implementations.Udp
private async Task BeginReceiveAsync(CancellationToken cancellationToken)
{
var infiniteTask = Task.Delay(-1, cancellationToken);
while (!cancellationToken.IsCancellationRequested)
{
try
{
var task = _udpSocket.ReceiveFromAsync(_receiveBuffer, SocketFlags.None, _endpoint);
await Task.WhenAny(task, infiniteTask).ConfigureAwait(false);
if (!task.IsCompleted)
{
return;
}
var result = task.Result;
var result = await _udpSocket.ReceiveFromAsync(_receiveBuffer, SocketFlags.None, _endpoint, cancellationToken).ConfigureAwait(false);
var text = Encoding.UTF8.GetString(_receiveBuffer, 0, result.ReceivedBytes);
if (text.Contains("who is JellyfinServer?", StringComparison.OrdinalIgnoreCase))
{