public async void Notify(object sender, EventAddedEventArgs args)
{
var @event = args.Event;
@event.Thing = _thing;
@event.Metadata = _descriptor.CreateDescription(@event);
var webSockets = _thing.AvailableEvent.ContainsKey(@event.Name)
? _thing.AvailableEvent[@event.Name].Subscribers
: null;
if (webSockets != null && webSockets.Any())
{
var message = new Dictionary <string, object>
{
[MESSAGE_TYPE] = MessageType.Event.ToString().ToLower(), [DATA] = @event.Metadata
};
await NotifySubscribersAsync(webSockets, message, CancellationToken.None);
}
}
public async void OnEvenAdded(object?sender, EventAddedEventArgs args)
{
if (!(sender is Thing thing))
{
_logger.LogWarning("The sender is not a Thing, not going to notify.");
return;
}
if (thing.ThingContext.EventsSubscribes[args.EventName].IsEmpty)
{
_logger.LogTrace("No subscriber for this event. [Thing: {thingName}][Event: {eventName}]",
thing.Name, args.EventName);
return;
}
var message = _convert.Serialize(new WebSocketResponse("event",
new Dictionary <string, object?>
{
[_option.PropertyNamingPolicy.ConvertName(args.EventName)] = args.Event
}));
_logger.LogInformation("Going to notify event via Web Socket. [Thing: {thingName}][Event: {eventName}]",
thing.Name, args.EventName);
foreach (var(_, socket) in thing.ThingContext.EventsSubscribes[args.EventName].ToArray())
{
if (socket.State != WebSocketState.Open || socket.CloseStatus.HasValue)
{
_logger.LogInformation("The Web Socket is not open or was requested to close. [Thing: {thingName}][Event: {eventName}]",
thing.Name, args.EventName);
return;
}
await socket.SendAsync(message, WebSocketMessageType.Text, true, CancellationToken.None)
.ConfigureAwait(false);
}
}
protected void OnEventAdded(EventAddedEventArgs eventAddedEventArgs)
{
var temp = EventAdded;
temp?.Invoke(this, eventAddedEventArgs);
}
private void DeviceInstanceEventAdded(object sender, EventAddedEventArgs e)
{
AddDeviceEvent(e.Event);
}
