/// <summary>
/// Unregister a client for a callback notification when one or more Ups properties change
/// </summary>
public void Unregister()
{
IManagementCallback callbackChannel =
OperationContext.Current.GetCallbackChannel <IManagementCallback>();
if (ServiceRuntime.Instance.ClientCallbackChannels.Contains(callbackChannel))
{
ServiceRuntime.Instance.ClientCallbackChannels.Remove(callbackChannel);
}
}
public void SubscribeNotifications()
{
IManagementCallback callback = OperationContext.Current.GetCallbackChannel <IManagementCallback>();
string sessionId = OperationContext.Current.SessionId;
if (callback != null && clients.TryAdd(sessionId, callback))
{
if (clients.Count == 1)
{
timer = new System.Threading.Timer(state => BroadcastEvent(DateTime.UtcNow.ToString()));
timer.Change(500, 1000);
}
}
else
{
throw new FaultException("Failed to create client subscription.");
}
}
