/// accept and notify only Active producers.
private bool IsActiveProducer(IStreamProducerExtension producer)
{
var grainRef = producer as GrainReference;
if (grainRef != null && grainRef.GrainId.IsSystemTarget && grainRef.IsInitializedSystemTarget)
{
return(siloStatusOracle.GetApproximateSiloStatus(grainRef.SystemTargetSilo) == SiloStatus.Active);
}
return(true);
}
private async Task ExecuteProducerTask(PubSubPublisherState producer, Task producerTask)
{
try
{
await producerTask;
}
catch (GrainExtensionNotInstalledException)
{
RemoveProducer(producer);
}
catch (ClientNotAvailableException)
{
RemoveProducer(producer);
}
catch (OrleansMessageRejectionException)
{
var grainRef = producer.Producer as GrainReference;
// if producer is a system target on and unavailable silo, remove it.
if (grainRef == null || grainRef.GrainId.IsSystemTarget && siloStatusOracle.GetApproximateSiloStatus(grainRef.SystemTargetSilo).IsUnavailable())
{
RemoveProducer(producer);
}
else // otherwise, throw
{
throw;
}
}
}
