Megatest

;; called in megatest.scm, host-port is string hostname:port
;;
(define (server:ping run-id host:port)
  (let* ((host-port (let ((slst (string-split   host:port ":")))
		      (if (eq? (length slst) 2)
			  (list (car slst)(string->number (cadr slst)))
			  #f)))
	 (toppath       (setup-for-run))
	 (toppath       (launch:setup-for-run))
	 (server-db-dat (if (not host-port)(open-run-close tasks:get-server tasks:open-db run-id) #f)))
    (if (not run-id)
	  (begin
	    (debug:print 0 "ERROR: must specify run-id when doing ping, -run-id n")
	    (print "ERROR: No run-id")
	    (exit 1))
	  (if (and (not host-port)