void SendEnvironmentEvent(ServiceEnvironmentEventType eventType, Action <IServiceEnvironmentEventListener> listenerAction, bool throwExIfNobodyListen = true)
{
// TODO: check process/appdomain permissions
RefreshEventListenersList();
List <ServiceEnvironmentEventListenerInfo> listeners;
if (!_environmentListeners.TryGetValue(eventType, out listeners) || listeners.Count < 1)
{
if (throwExIfNobodyListen)
{
throw new ServiceEnvironmentException(String.Format("Could not find any registered listeners for {0} event.", eventType));
}
Log.Write(this.ToString(), String.Format("There are no listeners to event {0}", eventType.ToString()), LogMessageType.Warning);
return;
}
foreach (var listenerInfo in listeners)
{
try
{
using (var client = new WcfClient <IServiceEnvironmentEventListener>(this, listenerInfo.EndpointName, listenerInfo.EndpointAddress))
{
listenerAction(client.Channel);
}
}
catch (Exception ex)
{
string message = String.Format("Failed to send environment event {0} to listener at {1}, it might be dead.", eventType, listenerInfo.EndpointAddress);
if (Service.Current != null)
{
Service.Current.Log(message, ex, LogMessageType.Information);
}
else
{
throw new ServiceEnvironmentException(message, ex);
}
}
}
}
private void NotifyScheduleServiceRequest(ServiceScheduleRequestedEventArgs args)
{
RefreshEventListenersList();
ServiceEnvironmentEventListenerInfo listenerInfo;
if (!_environmentListeners.TryGetValue(ServiceEnvironmentEventType.ServiceScheduleRequested, out listenerInfo))
{
throw new ServiceEnvironmentException("Could not find a registered listener for ServiceScheduleRequested events in the database.");
}
try
{
using (var listener = new WcfClient <IServiceEnvironmentEventListener>(this, listenerInfo.EndpointName, listenerInfo.EndpointAddress))
{
listener.Channel.ServiceScheduleRequestedEvent(args);
}
}
catch (Exception ex)
{
throw new ServiceEnvironmentException(String.Format("Failed WCF call to the registered listener for ServiceScheduleRequested events ({0}).", listenerInfo.EndpointAddress), ex);
}
}
