private void OnStateVariableChanged(DvStateVariable variable)
{
lock (_serverData.SyncObj)
{
// Unicast event notifications
DvService service = variable.ParentService;
foreach (EndpointConfiguration config in _serverData.UPnPEndPoints)
{
foreach (EventSubscription subscription in config.EventSubscriptions)
{
if (subscription.Service == service && !subscription.IsDisposed)
{
subscription.StateVariableChanged(variable);
}
}
}
// Multicast event notifications
if (variable.Multicast)
{
EventingState eventingState = _serverData.GetMulticastEventKey(variable.ParentService);
if (eventingState.EventKey == 0)
{
// Avoid sending "normal" change events before the initial event was sent
return;
}
eventingState.ModerateChangeEvent(variable);
ScheduleMulticastEvents();
}
}
}