public Task <PeerId> DequeueAsync(CancellationToken cancellationToken)
{
var tcs = new TaskCompletionSource <PeerId>();
Task.Factory.StartNew(() =>
{
if (cancellationToken.IsCancellationRequested)
{
tcs.TrySetCanceled();
return;
}
if (_queue.Count > 0)
{
var p = _queue.Dequeue();
tcs.TrySetResult(p);
}
else
{
tcs.TrySetResult(null);
}
}, cancellationToken);
return(tcs.Task);
}
