Data Broker message when client connected

Assets/Scripts/SicknessReduction/Haptic/DataBroker.cs

@@ -29,7 +29,7 @@ namespace SicknessReduction.Haptic
         }
 
         #endregion
-        
+
         private readonly IMqttServer server;
         private readonly Task serverStarted;
         private bool disposed;
@@ -42,6 +42,8 @@ namespace SicknessReduction.Haptic
             var sd = new ServiceDiscovery();
             sd.Advertise(service);
             serverStarted = server.StartAsync(new MqttServerOptions());
+            server.ClientSubscribedTopicHandler =
+                new MqttServerClientSubscribedHandlerDelegate(OnClientSubscribedTopic);
             Debug.Log($"Mqtt Server started at {Helpers.GetIPAddress()}");
             //await PublishBla();
         }
@@ -57,7 +59,13 @@ namespace SicknessReduction.Haptic
             await server.PublishAsync(new MqttApplicationMessageBuilder().WithTopic(topic)
                 .WithPayload($"{payload}\0").Build());
         }
-        
+
+        private void OnClientSubscribedTopic(MqttServerClientSubscribedTopicEventArgs args)
+        {
+            //TODO: show in game!
+            Debug.Log($"Client {args.ClientId} subscribed to topic {args.TopicFilter.Topic}");
+        }
+
         private async void Dispose()
         {
             if (!server.IsStarted) return;