Megatest

    (udat-host-port-set! uconn (conc addr":"port))
    (udat-socket-set!    uconn tlsn)
    uconn))

;; run-listener does all the work of starting a listener in a thread
;; it then returns control
;;
(define (run-listener handler-proc #!optional (port-suggestion 4242))
  (let* ((uconn (make-udat)))
    (udat-work-proc-set! uconn handler-proc)
    (if (setup-listener uconn port-suggestion)
	(let* ((th1 (make-thread (lambda ()(ulex-cmd-loop uconn)) "Ulex command loop"))
	       (th2 (make-thread (lambda ()(process-work-queue uconn)) "Ulex work queue processor")))
	  (thread-start! th1)
	  (thread-start! th2)

;;======================================================================

;; take a request, rdat, and if not immediate put it in the work queue
;;
;; Reserved cmds; ack ping goodbye response
;;
(define (ulex-handler uconn rdat)
  (assert (list? rdat) "FATAL: ulex-handler give rdat as not list")
  (match rdat ;;  (string-split controldat)
    ((rem-host-port qrykey cmd params)
     ;; (print "ulex-handler got: "rem-host-port" qrykey: "qrykey" cmd: "cmd" params: "params)
     (let ((mbox (hash-table-ref/default (udat-mboxes uconn) qrykey #f)))
       (case cmd
	 ;; ((ack )(print "Got ack! But why? Should NOT get here.") 'ack)
	 ((ping)