private void observerRemoved(IServiceObserverPrx observer, System.Exception ex)
{
if (_traceServiceObserver >= 1)
{
//
// CommunicatorDestroyedException may occur during shutdown. The observer notification has
// been sent, but the communicator was destroyed before the reply was received. We do not
// log a message for this exception.
//
if (!(ex is CommunicatorDestroyedException))
{
_logger.trace("IceBox.ServiceObserver",
$"Removed service observer {observer}\nafter catching {ex}");
}
}
}
observerCompleted(IServiceObserverPrx observer, Task t)
{
try
{
t.Wait();
}
catch (AggregateException ae)
{
lock (this)
{
if (_observers.Remove(observer))
{
observerRemoved(observer, ae.InnerException);
}
}
}
}
public void AddObserver(IServiceObserverPrx observer, Ice.Current current)
{
List <string> activeServices = new List <string>();
//
// Null observers and duplicate registrations are ignored
//
lock (this)
{
if (observer != null)
{
try
{
_observers.Add(observer, true);
}
catch (ArgumentException)
{
return;
}
if (_traceServiceObserver >= 1)
{
_logger.trace("IceBox.ServiceObserver", $"Added service observer {observer}");
}
foreach (ServiceInfo info in _services)
{
if (info.Status == ServiceStatus.Started)
{
activeServices.Add(info.Name);
}
}
}
}
if (activeServices.Count > 0)
{
observer !.ServicesStartedAsync(activeServices.ToArray()).ContinueWith((t) => observerCompleted(observer, t),
TaskScheduler.Current);
}
}