Files
Ragon/Ragon.Server/IO/Executor.cs
T
2022-12-20 12:20:52 -08:00

55 lines
1.1 KiB
C#

using System.Threading.Channels;
namespace Ragon.Core.Server;
public class Executor: TaskScheduler
{
private ChannelReader<Task> _reader;
private ChannelWriter<Task> _writer;
private Queue<Task> _pendingTasks;
private TaskFactory _taskFactory;
public void Run(Task task)
{
_taskFactory.StartNew(() => task);
}
public Executor()
{
var channel = Channel.CreateUnbounded<Task>();
_reader = channel.Reader;
_writer = channel.Writer;
_taskFactory = new TaskFactory(this);
_pendingTasks = new Queue<Task>();
}
protected override IEnumerable<Task>? GetScheduledTasks()
{
throw new NotSupportedException();
}
protected override void QueueTask(Task task)
{
_writer.TryWrite(task);
}
protected override bool TryExecuteTaskInline(Task task, bool taskWasPreviouslyQueued)
{
return false;
}
public void Execute()
{
while (_reader.TryRead(out var task))
{
TryExecuteTask(task);
if (task.Status == TaskStatus.Running)
_pendingTasks.Enqueue(task);
}
while (_pendingTasks.TryDequeue(out var task))
_writer.TryWrite(task);
}
}