connected=ch.isConnected();
    public MuxChannel(JChannelFactory f, JChannel ch, String id, String stack_name, Multiplexer mux) {        super(false); // don't create protocol stack, queues and threads        factory=f;        this.ch=ch;        this.stack_name=stack_name;        this.id=id;        hdr=new MuxHeader(id);        this.mux=mux;        closed=!ch.isOpen();        connected=ch.isConnected();    }