public Task OnMessage(Message theMessage)
{
Task returnTask;
try {
SyntheticMessageProcessor processor = new SyntheticMessageProcessor(_connectionString, _monitoringTopic, _logger);
Task messageTask = processor.OnMessage(theMessage);
returnTask = Task.WhenAll(new Task[] { messageTask });
} catch (MonitoringException mex) {
_logger.LogError($"ERROR - {mex.Message} {mex.StackTrace}");
returnTask = Task.FromException(mex);
} catch (Exception ex) {
_logger.LogWarning($"Error scenario found in monitored service - {ex.Message}");
string dataJSON = Encoding.UTF8.GetString(theMessage.Body);
MonitorMessage errorMessage = JsonConvert.DeserializeObject <MonitorMessage>(dataJSON);
errorMessage.AssociatedId = $"{errorMessage.AssociatedId}_DLQ";
if (ts is null)
{
ts = new SessionlessTopicSender(_connectionString, _monitoringTopic);
}
Task sendTask = ts.Send(JsonConvert.SerializeObject(errorMessage), theMessage.UserProperties["CollectionId"].ToString(), theMessage.UserProperties["Context"].ToString(), DateTime.MinValue, "SYNTHETIC_ERROR");
returnTask = Task.WhenAll(new Task[] { sendTask });
}
return(returnTask);
}
public override Task ProcessMessagesWhenLastReceived(IList <string> listOfOriginalMessagesAsUTF8, Message lastMessage, IList <string> listOfProcessedMessagesAsUTF8)
{
Task returnTask;
try {
Task sendTask = ts.Send(listOfProcessedMessagesAsUTF8, lastMessage.UserProperties["CollectionId"].ToString(), lastMessage.UserProperties["Context"].ToString(), DateTime.MinValue, "LAST_SYNTHETIC_MESSAGE_PUBLISHED");
returnTask = Task.WhenAll(new Task[] { sendTask });
} catch (Exception ex) {
MonitoringException exp = new MonitoringException($"ERROR in synthetic monitoring service - unable to process group of synthetic messages caused by {ex.Message}");
_logger.LogError($"Failed to process group of synthetic messages - {ex.Message} {ex.StackTrace}");
throw exp;
}
return(returnTask);
}
