private void LogDeadLetter(AllDeadLetters d, string doneMsg)
{
var origin = IsReal(d.Sender) ? $" from {d.Sender}" : "";
var unwrapped = WrappedMessage.Unwrap(d.Message);
var messageStr = unwrapped?.GetType().Name ?? "null";
var wrappedIn = (d.Message is IWrappedMessage) ? $" wrapped in [${d.Message.GetType().Name}]" : "";
string logMessage;
switch (d)
{
case Dropped dropped:
var destination = IsReal(d.Recipient) ? $" to {d.Recipient}" : "";
logMessage = $"Message [{messageStr}]{wrappedIn}{origin}{destination} was dropped. {dropped.Reason}. " +
$"[{_count}] dead letters encountered{doneMsg}. ";
break;
case UnhandledMessage unhandled:
destination = IsReal(d.Recipient) ? $" to {d.Recipient}" : "";
logMessage = $"Message [{messageStr}]{wrappedIn}{origin}{destination} was unhandled. " +
$"[{_count}] dead letters encountered{doneMsg}. ";
break;
default:
logMessage = $"Message [{messageStr}]{wrappedIn}{origin} to {d.Recipient} was not delivered. " +
$"[{_count}] dead letters encountered{doneMsg}. " +
$"If this is not an expected behavior then {d.Recipient} may have terminated unexpectedly. ";
break;
}
_eventStream.Publish(new Info(
d.Recipient.Path.ToString(),
d.Recipient.GetType(),
logMessage +
"This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' " +
"and 'akka.log-dead-letters-during-shutdown'."));
}
private bool IsWrappedSuppressed(AllDeadLetters d)
{
return(d is IWrappedMessage w && w.Message is IDeadLetterSuppression);
}
