Megatest

	
	address-info
	mailbox
	matchable
	queues
	regex
	regex-case
	s11n
	srfi-1
	srfi-18
	srfi-4
	srfi-69
	system-information
	tcp6
	typed-records

	(ulex-handler udata dat) ;; no transmission needed
	(handle-exceptions ;; TODO - MAKE THIS EXCEPTION CMD SPECIFIC?
	    exn
	    #f
	  (let-values (((inp oup)(tcp-connect host-port)))
	    (let ((res (if (and inp oup)
			   (begin
			     (write dat oup)
			     (read inp)) ;; yes, we always want an ack
			     (serialize dat oup)
			     (deserialize inp)) ;; yes, we always want an ack
			   (begin
			     (print "ERROR: send called but no receiver has been setup. Please call setup first!")
			     #f))))
	      (close-input-port inp)
	      (close-output-port oup)
	      res)))))) ;; res will always be 'ack

;; given an already set up uconn start the cmd-loop
;;
(define (ulex-cmd-loop uconn)
  (let* ((serv-listener (udat-socket uconn)))
    (let loop ((state 'start))
      (let-values (((inp oup)(tcp-accept serv-listener)))
	(let* ((rdat  (read inp)) ;; '(my-host-port qrykey cmd params)
	(let* ((rdat  (deserialize inp)) ;; '(my-host-port qrykey cmd params)
	       (resp  (ulex-handler uconn rdat)))
	  (if resp (write resp oup))
	  (if resp (serialize resp oup))
	  (close-input-port inp)
	  (close-output-port oup))
	(loop state)))))

;; add a proc to the cmd list, these are done symetrically (i.e. in all instances)
;; so that the proc can be dereferenced remotely
;;