Megatest

  (message-digest-string (md5-primitive) str))

;;======================================================================
;; E X I T   H A N D L I N G
;;======================================================================

(define (common:run-sync?)
    (and (common:on-homehost?) ;; huh? isn't this by definition both true?
	 (args:get-arg "-server")))

(define (common:human-time)
  (time->string (seconds->local-time (current-seconds)) "%Y-%m-%d %H:%M:%S"))


(define (std-signal-handler signum)

      (if (and (getenv "MT_ITEMPATH")
               (not (equal? (getenv "MT_ITEMPATH") "")))
          (getenv "MT_TEST_NAME")
          (conc (getenv "MT_TEST_NAME") "/" (getenv "MT_ITEMPATH")))
      #f))

;;======================================================================
;; logic for getting homehost . Returns (host . at-home)
;; IF *toppath* is not set, wait up to five seconds trying every two seconds
;; (this is to accomodate the watchdog)
;;
(define (common:get-homehost #!key (trynum 5))
  ;; called often especially at start up. use mutex to eliminate collisions
  (let ((hhf (conc *toppath* "/.homehost")))
    (mutex-lock! *homehost-mutex*)
    (cond
     (*home-host*
      (mutex-unlock! *homehost-mutex*)
      *home-host*)
     ((not *toppath*)
      (mutex-unlock! *homehost-mutex*)
      (launch:setup) ;; safely mutexed now
      (if (> trynum 0)
	  (begin
	    (thread-sleep! 2)
	    (common:get-homehost trynum: (- trynum 1)))
	  `(#f . #f)))
     ((and (not (configf:lookup *configdat* "server" "require-homehost"))
	   (not (file-exists? hhf)))
      `(#f . #f))  ;; NEW METHOD, DO NOT USE A HOMEHOST
     (else
      (let* ((currhost (get-host-name))
	     (bestadrs (server:get-best-guess-address currhost))
	     ;; first look in config, then look in file .homehost, create it if not found
	     (homehost (or (configf:lookup *configdat* "server" "homehost" )
			   (handle-exceptions
			       exn
			       (if (> trynum 0)
				   (let ((delay-time (* (- 5 trynum) 5)))
				     (mutex-unlock! *homehost-mutex*)
				     (debug:print 0 *default-log-port* "ERROR: ["(common:human-time)"] Failed to read .homehost file, delaying "
						  delay-time " seconds and trying again, message: "  ((condition-property-accessor 'exn 'message) exn)
						  ", exn=" exn)
				     (thread-sleep! delay-time)
				     (common:get-homehost trynum: (- trynum 1)))
				   (begin
				     (mutex-unlock! *homehost-mutex*)
				     (debug:print 0 *default-log-port* "ERROR: ["(common:human-time)
						  "] Failed to read .homehost file after trying five times. Giving up and exiting, message: "
						  ((condition-property-accessor 'exn 'message) exn))
				     (exit 1)))

			     (if (common:file-exists? hhf)
				 (with-input-from-file hhf read-line)
				 (if (file-write-access? *toppath*)
				     (begin
				       (with-output-to-file hhf
					 (lambda ()
					   (print bestadrs)))
				       (begin
					 (mutex-unlock! *homehost-mutex*)
					 (car (common:get-homehost))))
				     `(#f . #f))))))
	     (at-home  (or (equal? homehost currhost)
			   (equal? homehost bestadrs))))
	(set! *home-host* (cons homehost at-home))
	(mutex-unlock! *homehost-mutex*)
	*home-host*))))

;;======================================================================
;; am I on the homehost?
;;
(define (common:on-homehost?)
  (let ((hh (common:get-homehost)))
    (if hh