private async ValueTask TopicReChecker()
{
try
{
var ask = await _lookup.Ask <AskResponse>(new GetTopicsUnderNamespace(NamespaceName, _subscriptionMode)).ConfigureAwait(false);
var response = ask.ConvertTo <GetTopicsUnderNamespaceResponse>();
var topicsFound = response.Topics;
var topics = _context.GetChildren().ToList();
if (_log.IsDebugEnabled)
{
_log.Debug($"Get topics under namespace {NamespaceName}, topics.size: {topics.Count}");
TopicsMap.ForEach(t => _log.Debug($"Get topics under namespace {NamespaceName}, topic: {t.Key}"));
}
var newTopics = TopicsPatternFilter(topicsFound, _topicsPattern);
var oldTopics = Topics;
OnTopicsAdded(TopicsListsMinus(newTopics, oldTopics));
OnTopicsRemoved(TopicsListsMinus(oldTopics, newTopics));
}
catch (Exception ex)
{
_log.Error(ex.ToString());
}
finally
{
_recheckPatternTimeout = _context.System.Scheduler.Advanced.ScheduleOnceCancelable(TimeSpan.FromSeconds(Math.Max(1, Conf.PatternAutoDiscoveryPeriod)), async() => { await TopicReChecker(); });
}
if (_recheckPatternTimeout.IsCancellationRequested)
{
return;
}
}
public Task <Done> HostShutdown()
{
_log.Info("Shutdown All Host Apps");
return(Task.WhenAll(_context
.GetChildren()
.Select(ar => ar.Ask <StopResponse>(new InternalStopApp(), TimeSpan.FromMinutes(2)))
.ToArray()).ContinueWith(_ => Done.Instance));
}
