Action is designed to be separated from ActionActor.
An actor will be created when there's request.
Although the class name can be determined by sniffing around on the stack: (Thread.
By default all non-GET requests are checked for anti-CSRF token.
An actor will be created when there's new SockJS session.
An actor will be created when there's request.
See config/xitrum.
Pong is automatically sent by Xitrum, don't send it yourself.