public WsController()
 {
     if (_webSocketHandler == null)
     {
         _webSocketHandler = new TestWebSocketHandler("WSNAME");
     }
 }
        private async Task ProcessWebSocketRequest(AspNetWebSocketContext context)

        {
            var sessionCookie = context.Cookies["SessionId"];

            if (sessionCookie != null)

            {
                var wsHandler = new TestWebSocketHandler(sessionCookie.Value);
                await wsHandler.ProcessWebSocketRequestAsync(context);
            }
        }