private async void ProcessDeadLetters(string route, CancellationToken cancellationToken)
{
while (!cancellationToken.IsCancellationRequested)
{
try
{
var topics = _messageTypesCache.GetAllTopics();
foreach (var topic in topics)
{
var letters = await _deadLettersAgent.GetDeadLetters(route, topic, cancellationToken);
foreach (var letter in letters)
{
await _publishingAgent.PublishToSubscriberAsync(route, topic, letter.Payload);
}
}
return;
}
catch (Exception e)
{
_messagingLogger.Error(e, $"deadletters processing in {route}");
}
finally
{
await Task.Delay(TimeSpan.FromSeconds(10), cancellationToken);
}
}
}
public async Task PublishAsync <TMessage>(TMessage message)
{
var sw = Stopwatch.StartNew();
var topic = _topicNameProvider.Get <TMessage>();
var subscribers = await _subscriptionAgent.GetSubscribersAsync(topic);
if (subscribers != null)
{
foreach (var subscriber in subscribers)
{
var payload = JsonConvert.SerializeObject(message);
await _publishingAgent.PublishToSubscriberAsync(subscriber.Name, topic, payload);
}
await Task.Delay(10);
}
else
{
_messagingLogger.Debug($"no subsriptions for {topic}");
}
_messagingLogger.Debug($"{topic} sent in {sw.ElapsedMilliseconds}");
}
public async Task PublishAsync(string topic, object message)
{
var sw = Stopwatch.StartNew();
var subscribers = await _subscriptionAgent.GetSubscribersAsync(topic);
var payload = JsonConvert.SerializeObject(message);
if (subscribers != null && subscribers.Any())
{
foreach (var subscriber in subscribers)
{
await _publishingAgent.PublishToSubscriberAsync(subscriber.Name, topic, payload);
}
}
else
{
_messagingLogger.Debug($"no subsriptions for {topic}");
await _deadLettersAgent.PublishAsync(topic, payload);
}
_messagingLogger.Debug($"{topic} sent in {sw.ElapsedMilliseconds}");
}
