TrainNotifier.Console.WebSocketServer.UserManager.UserManager C# (CSharp) Method

        public UserManager(WebSocketServerWrapper webSocketServer)
        {
            webSocketServer.OnConnected += (s, context) =>
            {
                Trace.TraceInformation("Connection From : {0}", context.UserContext.ClientAddress);
                AddNewUser(context.UserContext);
            };

            webSocketServer.OnDisconnect += (s, context) =>
            {
                Trace.TraceInformation("{0} disconnected", context.UserContext.ClientAddress);
                RemoveUser(context.UserContext);
            };

            webSocketServer.OnReceive += (s, context) =>
            {
                Trace.TraceInformation("Received {0} from {1}", context.UserContext.DataFrame.ToString(), context.UserContext.ClientAddress);
                string command = context.UserContext.DataFrame.ToString();
                UserContextData data = null;
                if (!_activeUsers.TryGetValue(context.UserContext, out data))
                {
                    data = AddNewUser(context.UserContext);
                }
                switch (command)
                {
                    case "subscribe":
                        data.State = UserContextState.SubscribeToFeed;
                        break;
                    case "unsubscribe":
                        data.State = UserContextState.None;
                        break;
                    default:
                        data.StateArgs = command;
                        break;
                }
                data.LastRequest = command;
            };
        }