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Artifact a2b7f04cc7fde30a5d556836b2a047851dd1cf61:


(include "../ulex/ulex.scm")

(module ulex-test *
	
(import scheme
	(chicken io)
	(chicken base)
	(chicken time)
	(chicken file)
	(chicken file posix)
        (chicken string)
	(chicken process-context)
	(chicken process-context posix)
        miscmacros
;;         nng
        srfi-18
	srfi-69
        test
	matchable
	typed-records
	system-information
	directory-utils

	ulex
	)

(define help "Usage: ulex-test COMMAND
  where COMMAND is one of:
    run host:port  : start test server - start several in same dir
")

(define (call uconn msg addr)
  (print "Sent: "msg" to " addr ", received: "
	 (send-receive uconn addr 'hello msg)))

;; start    => hello 0
;; hello 0  => hello 1
;; hello 1  => hello 2
;;  ...
;; hello 11 => 'done
;;
(define (process-message mesg)
  (print "In process-message")
  (let ((parts (string-split mesg)))
    (match
     parts
     ((msg c)
      (let ((count (string->number c)))
	(if (> count 10)
	    'done
	    (conc msg " " (if count count 0)))))
     ((msg)
      (conc msg " 0"))
     (else
      "hello 0"))))

(define (main)
  (match
   (command-line-arguments)
   ((run myport)
    ;; start listener
    ;; put myaddr into file by host-pid in .runners
    ;; for 1 minute
    ;;     get all in .runners
    ;;     call each with a message
    ;;
    (let* ((port     (string->number myport))
	   (endtimes (+ (current-seconds) 20)) ;; run for 20 seconds
	   (handler  (lambda (rem-host-port qrykey cmd params)
		       (process-message params)))
	   (uconn    (run-listener handler myport))
	   (rfile    (conc ".runners/"(get-host-name)"-"(current-process-id))))
      (if (not (and (file-exists? ".runners")
		    (directory? ".runners")))
	  (create-directory ".runners" #t))
      (with-output-to-file rfile
	(lambda ()
	  (print myport)))
      (let loop ((entries '()))
	(if (> (current-seconds) endtimes)
	    (begin
	      (delete-file* rfile)
	      (sleep 1)
	      (exit))
	    (if (null? entries)
		(loop (glob ".runners/*"))
		(let* ((entry (car entries))
		       (destaddr (with-input-from-file entry read-line)))
		  (call uconn (conc "hello-from-"myport"to-"destaddr) (conc "localhost:" destaddr))
		  ;; (thread-sleep! 0.025)
		  (loop (cdr entries))))))))
   ((cmd)(print "ERROR: command "cmd", not recognised.\n\n"help))
   (else
    (print help))))

) ;; end module

(import ulex-test)
(main)