public Task SendAsync <T>(T message) where T : new()
{
try
{
var topic = _settings.TopicNameBuilder(message.GetType());
if (!_bindings.ContainsKey(topic))
{
return(TryCreateBinding(topic, typeof(T), message, TriesBeforeInterval, TimeSpan.FromSeconds(IntervalOfBindingRetry)));
}
return(_bindings[topic].SendAsync(message));
}
catch (Exception e)
{
_logger.LogError(e, "{method}: Failed to send async message '{message}' '{exceptionMessage}'{newLine}'{stackTrace}'", nameof(SendAsync), message, e.Message, Environment.NewLine, e.StackTrace);
if (RetrySendMsgCount < maxSendAsyncRetries)
{
RetrySendMsgCount++;
_logger.LogInformation("{method}: trying to send message again, Trying to send message again '{sendCount}/{maxSendAsyncRetries}'", nameof(SendAsync), RetrySendMsgCount, maxSendAsyncRetries);
return(SendAsync(message));
}
else
{
throw e;
}
}
}
public void ReCreate(AzureBusTopicSettings settings, AzureBusTopicManagement queueManagement)
{
var topicName = settings.TopicNameBuilder(typeof(T));
var subscriptionName = $"{topicName}.{settings.TopicSubscriberId}";
queueManagement.CreateSubscriptionIfMissing(topicName, subscriptionName, typeof(T));
var subscriptionClient = new SubscriptionClient(settings.ConnectionString, topicName, subscriptionName);
UpdateRules(subscriptionClient, settings);
}
internal Binding(AzureBusTopicSettings settings, ILogger <AzureTopicSubscriber> logging,
AzureBusTopicManagement queueManagement, BlockingCollection <IBinding> errorActions)
{
_excludeTopicsFromLogging = new LoggingConfiguration().ExcludeTopicsFromLogging();
var topicName = settings.TopicNameBuilder(typeof(T));
var subscriptionName = $"{topicName}.{settings.TopicSubscriberId}";
queueManagement.CreateSubscriptionIfMissing(topicName, subscriptionName, typeof(T));
var subscriptionClient = new SubscriptionClient(settings.ConnectionString, topicName, subscriptionName);
UpdateRules(subscriptionClient, settings);
subscriptionClient.RegisterMessageHandler(
async(message, _) =>
{
try
{
var body = Encoding.UTF8.GetString(message.Body);
if (!_excludeTopicsFromLogging.Contains(topicName))
{
logging.LogInformation("Received '{subscription}': {body} with Azure MessageId: '{messageId}'", subscriptionName, body, message.MessageId);
}
var asObject = AsObject(body);
Subject.OnNext(asObject);
}
catch (Exception ex)
{
logging.LogError(ex, "Message {subscription}': {message} -> consumer error: {exception}", subscriptionName, message, ex);
}
}, new MessageHandlerOptions(async e =>
{
logging.LogError(e.Exception, "At route '{subscription}' error occurred: {exception}.", subscriptionName, e.Exception);
if (e.Exception is ServiceBusCommunicationException || e.Exception is MessagingEntityNotFoundException)
{
errorActions.Add(this);
}
}));
}
