Megatest

;; redefines
(define config-lookup configf:lookup)
(define configf:read-file read-config)

;; safely look up a value that is expected to be a number, return
;; a default (#f unless provided)
;;
(define (configf:lookup-number cfgdat section varname #!key (default #f))
  (let* ((val (configf:lookup cfgdat section varname))
         (res (if val
                  (string->number (string-substitute "\\s+" "" val #t))
                  #f)))
    (cond
     (res  res)
     (val  (debug:print 0 *default-log-port* "ERROR: no number found for [" section "], " varname ", got: " val))
     (else default))))

Queries:
   show [areas|contours... ] : show areas, contours or other section from megatest.config
   gendot                    : generate a graphviz dot file from pkts.

Contour actions:
   process                   : runs import, rungen and dispatch 
   go                        : runs import, rungen and dispatch every five minutes forever
			     
Trigger propagation actions:
   tsend a=b,c=d...          : send trigger info to all recpients in the [listeners] section
   tlisten -port N           : listen for trigger info on port N
			     
Selectors 		     
  -immediate                 : apply this action immediately, default is to queue up actions

			    (handle-exceptions
				exn
				(begin
				  (print-call-chain)
				  (print "FAILED TO RUN RUNNAME MAPPER " callname " FOR AREA " area)
				  (print " message: " ((condition-property-accessor 'exn 'message) exn))
				  runname)
			      (print "(mapper " (string-intersperse (map conc (list runkey runname area area-path reason contour mode-patt)) ", ") ")")
			      (mapper runkey runname area area-path reason contour mode-patt))
			    (case callname
			      ((auto #f) runname)
			      (else   runtrans)))))
	 (new-target     target) ;; I believe we will want target manipulation here .. (map-targets xlatr-key runkey area contour))
	 (actual-action  (if action
			     (if (equal? action "sync-prepend")

	 ;;    (if (not (member key *legal-params*))
	 ;; 	(hash-table-delete! adjargs key))) ;; we need to delete any params intended for mtutil
	 ;;  (hash-table-keys adjargs))
	 (let-values (((uuid pkt)
		       (command-line->pkt *action* adjargs #f area-path: area-path new-ss: new-ss)))
           (print "run log @ " (conc (current-directory) "/" uuid "-" *action* ".log"))
	   (write-pkt pktsdir uuid pkt))))
      ((dispatch import rungen process go)
       (let* ((mtconfdat (simple-setup (args:get-arg "-start-dir")))
	      (mtconf    (car mtconfdat))
	      (toppath   (configf:lookup mtconf "scratchdat" "toppath"))
	      (period    (configf:lookup-number mtconf "mtutil" "autorun-period" default: 300))
	      (rest-time (configf:lookup-number mtconf "mtutil" "autorun-rest"   default: 30)))
	 (print "Using period="period" and rest time="rest-time)
	 (case (string->symbol *action*)
	   ((process)  (begin
			 (common:load-pkts-to-db mtconf)
			 (generate-run-pkts mtconf toppath)
			 (common:load-pkts-to-db mtconf)
			 (dispatch-commands mtconf toppath)))
	   ((import)   (common:load-pkts-to-db mtconf)) ;; import pkts
	   ((rungen)   (generate-run-pkts mtconf toppath))
	   ((dispatch) (dispatch-commands mtconf toppath))
	   ;; [mtutil]
	   ;; # approximate interval between run processing in mtutil (seconds)
	   ;; autorun-period 300
	   ;; # minimal rest period between processing 
	   ;; autorun-rest   30
	   ((go)
	    ;; determine if I'm the boss
	    (if (file-exists? "mtutil-go.pid")
		(begin
		  (print "ERROR: mtutil go is already running under host and pid " (with-input-from-file "mtutil-go.pid" read-line)
			 ". Please kill that process and remove the file \"mutil-go.pid\" and try again.")
		  (exit)))
	    (with-output-to-file "mtutil-go.pid" (lambda ()(print (get-host-name) " " (current-process-id))))
	    (print "Starting long running import, rungen, and process loop")
	    (if (file-exists? "do-not-run-mtutil-go")
		(begin
		  (print "NOTE: Removing flag file "(current-directory)"/do-not-run-mtutil-go")
		  (delete-file* "do-not-run-mtutil-go")))
	    (let loop ((last-run (- (current-seconds) (+ period 10))) ;; fake out first time in 
		       (this-run (current-seconds)))
	      (if (file-exists? "do-not-run-mtutil-go")
		  (begin
		    (print "File do-not-run-mtutil-go exists, exiting.")
		    (delete-file* "mtutil-go.pid")
		    (exit)))
	      (let ((delta (- this-run last-run)))
		(if (>= delta period)
		    (let* ((mtconfdat (simple-setup (args:get-arg "-start-dir")))
			   (mtconf    (car mtconfdat)))
		      (print "Running import at " (current-seconds))
		      (common:load-pkts-to-db mtconf)
		      (print "Running generate run pkts at " (current-seconds))
		      (generate-run-pkts mtconf toppath)
		      (print "Running run dispatch at " (current-seconds))
		      (common:load-pkts-to-db mtconf)
		      (dispatch-commands mtconf toppath)
		      (print "Done running import, generate, and dispatch done in " (- (current-seconds) this-run))
		      (print "NOTE: touch " (current-directory) "/do-not-run-mtutil-go to kill this runner.")
		      (loop this-run (current-seconds)))
		    (let ((now (current-seconds)))
		      (print "Sleeping " rest-time " seconds, next run in aproximately " (- period (- now last-run)) " seconds")
		      (thread-sleep! rest-time)
		      (loop last-run (current-seconds))))))
	    (delete-file* "mtutil-go.pid")))))
      ;; misc
      ((show)
       (if (> (length remargs) 0)
	   (let* ((mtconfdat (simple-setup (args:get-arg "-start-dir")))
		  (mtconf    (car mtconfdat))
		  (sect-dat (configf:get-section mtconf (car remargs))))
	     (if sect-dat

                                   )

                                  )

                                )))
                           (loop (nn-recv rep))))
		       (print "ERROR: Port " portnum " already in use. Try another port")))))))




    ((tlisten)
     (if (null? remargs)
         (print "ERROR: useage for tlisten is \"mtutil tlisten portnum\"")
         (let ((portnum (string->number (car remargs))))
           
           (if (not portnum)
               (print "ERROR: the portnumber parameter must be a number, you gave: " (car remargs))
               (begin
                 (if (not (is-port-in-use portnum))  
                     (let* ((rep       (start-nn-server portnum))
                            (mtconfdat (simple-setup (args:get-arg "-start-dir")))
                            (mtconf    (car mtconfdat))
                            (contact   (configf:lookup mtconf "listener" "owner"))
                            (script    (configf:lookup mtconf "listener" "script")))
                       (print "Listening on port " portnum " for messages.")
                       (set-signal-handler! signal/int
					    (lambda (signum) 
					      (set! *time-to-exit* #t)
  					      (debug:print-error 0 *default-log-port* "Received signal " signum
								 " sending email befor exiting !!")
  					      (let ((email-body (mtut:stml->string
								 (s:body
								  (s:p (conc "Received signal " signum
									     ". Lister has been terminated on host "
									     (get-environment-variable "HOST") ". "))))))
             					(sendmail contact "Listner has been terminated." email-body  use_html: #t))
					      (exit)))
		       (set-signal-handler! signal/term  (lambda (signum) 
							   (set! *time-to-exit* #t)
  							   (debug:print-error 0 *default-log-port* "Received signal "
									      signum " sending email befor exiting !!")
  							   (let ((email-body (mtut:stml->string
									      (s:body
									       (s:p (conc "Received signal " signum
											  ". Lister has been terminated on host "
											  (get-environment-variable "HOST") ". "))))))
             					             (sendmail contact "Listner has been terminated." email-body  use_html: #t))
							   (exit)))

		       ;; (set-signal-handler! signal/term special-signal-handler)
                       
                         (let loop ((instr (nn-recv rep)))
                             (nn-send rep "ok")
                             (let ((ctime (date->string (current-date)))) 
                             (if  (equal? instr "time-to-die")
                              (begin 
                              (debug:print 0 *default-log-port* ctime " received '" instr "'. Time to sucide." )
                               (let ((pid  (current-process-id)))