Megatest

;;
(if (args:get-arg "-clean-cache")
    (begin
      (set! *didsomething* #t) ;; suppress the help output.
      (if (getenv "MT_TARGET") ;; no point in trying if no target
	  (if (args:get-arg "-runname")
	      (let* ((toppath  (launch:setup))
		     (linktree (common:get-linktree)) ;; (if toppath (configf:lookup *configdat* "setup" "linktree")))
		     (runtop   (conc linktree "/" (getenv "MT_TARGET") "/" (args:get-arg "-runname")))
		     (files    (if (file-exists? runtop)
				   (append (glob (conc runtop "/.megatest*"))
					   (glob (conc runtop "/.runconfig*")))
				   '())))
		(if (null? files)
		    (debug:print-info 0 *default-log-port* "No cached megatest or runconfigs files found. None removed.")

      (set! *didsomething* #t)))

(if (or (args:get-arg "-list-servers")
	(args:get-arg "-stop-server")
        (args:get-arg "-kill-server"))
    (let ((tl (launch:setup)))
      (if tl 
	  (let* ((servers (server:get-list *toppath*))

		 (fmtstr  "~5a~12a~8a~20a~24a~10a~10a~10a~10a\n")
		 (servers-to-kill '())
                 (kill-switch  (if (args:get-arg "-kill-server") "-9" ""))
                 (killinfo   (or (args:get-arg "-stop-server") (args:get-arg "-kill-server") ))
		 (khost-port (if killinfo (if (substring-index ":" killinfo)(string-split ":") #f) #f))
		 (sid        (if killinfo (if (substring-index ":" killinfo) #f (string->number killinfo)) #f)))
	    (format #t fmtstr "Id" "MTver" "Pid" "Host" "Interface:OutPort" "InPort" "LastBeat" "State" "Transport")

		      (last-update (vector-ref server 10)) 
		      (transport  (vector-ref server 11))
		      (killed     #f)
		      (status     (< last-update 20)))
		 ;;   (zmq-sockets (if status (server:client-connect hostname port) #f)))
		 ;; no need to login as status of #t indicates we are connecting to correct 
		 ;; server
		;; (if (equal? state "dead")
		;;     (if (> last-update (* 25 60 60)) ;; keep records around for slighly over a day.
		;; 	 (tasks:server-deregister (db:delay-if-busy tdbdat) hostname pullport: pullport pid: pid action: 'delete))
		;;     (if (> last-update 20)        ;; Mark as dead if not updated in last 20 seconds
		;; 	 (tasks:server-deregister (db:delay-if-busy tdbdat) hostname pullport: pullport pid: pid)))
		 (format #t fmtstr id mt-ver pid hostname (conc interface ":" pullport) pubport last-update
			 (if status "alive" "dead") transport)
		 (if (or (equal? id sid)
			 (equal? sid 0)) ;; kill all/any
		     (begin
		       (debug:print-info 0 *default-log-port* "Attempting to kill "kill-switch" server with pid " pid)
		       (tasks:kill-server hostname pid kill-switch: kill-switch)))))

				     (display (conc "target: " targetstr " "))
				     (display (conc field-name ": " (db:get-value-by-header run header (conc field-name)) " "))))
			       runs-spec)
			      (newline)))))
		       
		     (for-each 
		      (lambda (test)
		      	(common:debug-handle-exceptions #f
			 exn
			 (begin
			   (debug:print-error 0 *default-log-port* "Bad data in test record? " test)
			   (print "exn=" (condition->list exn))
			   (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
			   (print-call-chain (current-error-port)))
			 (let* ((test-id      (if (member "id"           tests-spec)(get-value-by-fieldname test test-field-index "id"          ) #f)) ;; (db:test-get-id         test))