/// <inheritdoc />
protected override async Task OnSendQueueEmptyAsync()
{
var lingerCancellationTokenSource = new CancellationTokenSource();
void CancelLingering(string reason)
{
if (!lingerCancellationTokenSource.IsCancellationRequested)
{
Logger.Debug($"Won't linger association because {reason}");
lingerCancellationTokenSource.Cancel();
}
}
var newRequestsComeIn = _client._hasRequestsFlag.WaitAsync()
.ContinueWith(_ => CancelLingering("another DICOM request was just added"),
TaskContinuationOptions.OnlyOnRanToCompletion);
var nextRequestsAreSent = _client.SendQueuedRequestsAsync()
.ContinueWith(requestsWereSent =>
{
if (requestsWereSent.Result)
{
CancelLingering("another DICOM request was just sent");
}
}, TaskContinuationOptions.OnlyOnRanToCompletion);
var lingerAssociation = Task.Delay(_client.Linger, lingerCancellationTokenSource.Token)
.ContinueWith(async _ => await LingerAsync(DefaultReleaseTimeout), TaskContinuationOptions.OnlyOnRanToCompletion);
await Task.WhenAny(newRequestsComeIn, nextRequestsAreSent, lingerAssociation)
.ConfigureAwait(false);
}
/// <inheritdoc />
protected override async Task OnSendQueueEmptyAsync()
{
await Task.WhenAny(
_client.SendQueuedRequestsAsync(),
_isDisconnectedFlag.WaitAsync()
.ContinueWith(_ => SetCompletionFlag(), TaskContinuationOptions.OnlyOnRanToCompletion),
Task.Delay(_client.Linger)
.ContinueWith(_ => DoSendAssociationReleaseRequestAsync(DefaultReleaseTimeout),
TaskContinuationOptions.OnlyOnRanToCompletion)).ConfigureAwait(false);
}