Megatest

		      (create-directory dbarea)))
		dbpath))
	  #f)))

(define (common:get-area-path-signature)
  (message-digest-string (md5-primitive) *toppath*))




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

(define (common:run-sync?)
  (and *toppath*               ;; gate if called before *toppath* is set
       (common:on-homehost?)
       (args:get-arg "-server")))





(define (std-signal-handler signum)
  ;; (signal-mask! signum)
  (set! *time-to-exit* #t) 
  ;;(debug:print-info 13 *default-log-port* "got signal "signum)
  (debug:print-error 0 *default-log-port* "Received signal " signum " aaa exiting promptly")
  ;; (std-exit-procedure) ;; shouldn't need this since we are exiting and it will be called anyway

                       (conc "viewscreen " cmd))))
    (debug:print-info 02 *default-log-port* "Running command: " fullcmd)
    (cond
     (with-vars     (common:without-vars  fullcmd))
     (with-orig-env (common:with-orig-env fullcmd))
     (else          (common:without-vars  fullcmd "MT_.*")))))
		  

























































































































































































































































































;;======================================================================
;; C O L O R S
;;======================================================================
      
(define (common:name->iup-color name)
  (case (string->symbol (string-downcase name))
    ((red)    "223 33 49")

(declare (unit commonmod))

(use srfi-69)

(module commonmod
	*

(import scheme
	chicken

	(prefix sqlite3 sqlite3:)
	data-structures
	extras
	files
	matchable
	md5
	message-digest
	posix
	regex
	regex-case
	srfi-1
	srfi-18
	srfi-69
	typed-records
	)

;;======================================================================
;; CONTENTS
;;
;;  config file utils
;;  misc conversion, data manipulation functions
;;  testsuite and area utilites

;;
(define (get-cfg-areas cfgdat)
  (let ((adat (get-section cfgdat "areas")))
    (map (lambda (entry)
	   `(,(car entry) . 
	     ,(val->alist (cadr entry))))
	 adat)))

;;======================================================================
;; time utils
;;======================================================================

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

;;======================================================================
;; T I M E   A N D   D A T E
;;======================================================================

;;======================================================================
;; Convert strings like "5s 2h 3m" => 60x60x2 + 3x60 + 5
(define (common:hms-string->seconds tstr)
  (let ((parts     (string-split-fields "\\w+" tstr))
	(time-secs 0)
	;; s=seconds, m=minutes, h=hours, d=days, M=months, y=years, w=weeks
	(trx       (regexp "(\\d+)([smhdMyw])")))
    (for-each (lambda (part)
		(let ((match  (string-match trx part)))
		  (if match
		      (let ((val (string->number (cadr match)))
			    (unt (caddr match)))
			(if val 
			    (set! time-secs (+ time-secs (* val
							    (case (string->symbol unt)
							      ((s) 1)
							      ((m) 60) ;; minutes
							      ((h) 3600)
							      ((d) 86400)
							      ((w) 604800)
							      ((M) 2628000) ;; aproximately one month
							      ((y) 31536000)
							      (else #f))))))))))
	      parts)
    time-secs))
		       
(define (seconds->hr-min-sec secs)
  (let* ((hrs (quotient secs 3600))
	 (min (quotient (- secs (* hrs 3600)) 60))
	 (sec (- secs (* hrs 3600)(* min 60))))
    (conc (if (> hrs 0)(conc hrs "hr ") "")
	  (if (> min 0)(conc min "m ")  "")
	  sec "s")))

(define (seconds->time-string sec)
  (time->string 
   (seconds->local-time sec) "%H:%M:%S"))

(define (seconds->work-week/day-time sec)
  (time->string
   (seconds->local-time sec) "ww%V.%u %H:%M"))

(define (seconds->work-week/day sec)
  (time->string
   (seconds->local-time sec) "ww%V.%u"))

(define (seconds->year-work-week/day sec)
  (time->string
   (seconds->local-time sec) "%yww%V.%w"))

(define (seconds->year-work-week/day-time sec)
  (time->string
   (seconds->local-time sec) "%Yww%V.%w %H:%M"))

(define (seconds->year-week/day-time sec)
  (time->string
   (seconds->local-time sec) "%Yw%V.%w %H:%M"))

(define (seconds->quarter sec)
  (case (string->number
	 (time->string 
	  (seconds->local-time sec)
	  "%m"))
    ((1 2 3) 1)
    ((4 5 6) 2)
    ((7 8 9) 3)
    ((10 11 12) 4)
    (else #f)))

;;======================================================================
;; basic ISO8601 format (e.g. "2017-02-28 06:02:54") date time => Unix epoch
;;
(define (common:date-time->seconds datetime)
  (local-time->seconds (string->time datetime "%Y-%m-%d %H:%M:%S")))

;;======================================================================
;; given span of seconds tstart to tend
;; find start time to mark and mark delta
;;
(define (common:find-start-mark-and-mark-delta tstart tend)
  (let* ((deltat   (- (max tend (+ tend 10)) tstart)) ;; can't handle runs of less than 4 seconds. Pad it to 10 seconds ...
	 (result   #f)
	 (min      60)
	 (hr       (* 60 60))
	 (day      (* 24 hr))
	 (yr       (* 365 day)) ;; year
	 (mo       (/ yr 12))
	 (wk       (* day 7)))
    (for-each
     (lambda (max-blks)
       (for-each
	(lambda (span) ;; 5 2 1
	  (if (not result)
	      (for-each 
	       (lambda (timeunit timesym) ;; year month day hr min sec
		 (if (not result)
		     (let* ((time-blk (* span timeunit))
			    (num-blks (quotient deltat time-blk)))
		       (if (and (> num-blks 4)(< num-blks max-blks))
			   (let ((first (* (quotient tstart time-blk) time-blk)))
			     (set! result (list span timeunit time-blk first timesym))
			     )))))
	       (list yr mo wk day hr min 1)
	       '(     y  mo w  d   h  m   s))))
	(list 8 6 5 2 1)))
     '(5 10 15 20 30 40 50 500))
    (if values
	(apply values result)
	(values 0 day 1 0 'd))))

;;======================================================================
;; given x y lim return the cron expansion
;;
(define (common:expand-cron-slash x y lim)
  (let loop ((curr x)
	     (res  `()))
    (if (< curr lim)
	(loop (+ curr y) (cons curr res))
	(reverse res))))

;;======================================================================
;; expand a complex cron string to a list of cron strings
;;
;;  x/y   => x, x+y, x+2y, x+3y while x+Ny<max_for_field
;;  a,b,c => a, b ,c
;;
;;   NOTE: with flatten a lot of the crud below can be factored down.
;;
(define (common:cron-expand cron-str)
  (if (list? cron-str)
      (flatten
       (fold (lambda (x res)
	       (if (list? x)
		   (let ((newres (map common:cron-expand x)))
		     (append x newres))
		   (cons x res)))
	     '()
	     cron-str)) ;; (map common:cron-expand cron-str))
      (let ((cron-items (string-split cron-str))
	    (slash-rx   (regexp "(\\d+)/(\\d+)"))
	    (comma-rx   (regexp ".*,.*"))
	    (max-vals   '((min        . 60)
			  (hour       . 24)
			  (dayofmonth . 28) ;;; BUG!!!! This will be a bug for some combinations
			  (month      . 12)
			  (dayofweek  . 7))))
	(if (< (length cron-items) 5) ;; bad spec
	    cron-str ;; `(,cron-str)              ;; just return the string, something downstream will fix it
	    (let loop ((hed  (car cron-items))
		       (tal  (cdr cron-items))
		       (type 'min)
		       (type-tal '(hour dayofmonth month dayofweek))
		       (res  '()))
	      (regex-case
		  hed
		(slash-rx ( _ base incr ) (let* ((basen          (string->number base))
						 (incrn          (string->number incr))
						 (expanded-vals  (common:expand-cron-slash basen incrn (alist-ref type max-vals)))
						 (new-list-crons (fold (lambda (x myres)
									 (cons (conc (if (null? res)
											 ""
											 (conc (string-intersperse res " ") " "))
										     x " " (string-intersperse tal " "))
									       myres))
								       '() expanded-vals)))
					    ;; (print "new-list-crons: " new-list-crons)
					    ;; (fold (lambda (x res)
					    ;; 	    (if (list? x)
					    ;; 		(let ((newres (map common:cron-expand x)))
					    ;; 		  (append x newres))
					    ;; 		(cons x res)))
					    ;; 	  '()
					    (flatten (map common:cron-expand new-list-crons))))
		;;					    (map common:cron-expand (map common:cron-expand new-list-crons))))
		(else (if (null? tal)
			  cron-str
			  (loop (car tal)(cdr tal)(car type-tal)(cdr type-tal)(append res (list hed)))))))))))

;;======================================================================
;; given a cron string and the last time event was processed return #t to run or #f to not run
;;
;;  min    hour   dayofmonth month  dayofweek
;; 0-59    0-23   1-31       1-12   0-6          ### NOTE: dayofweek does not include 7
;;
;;  #t => yes, run the job
;;  #f => no, do not run the job
;;
(define (common:cron-event cron-str now-seconds-in last-done) ;; ref-seconds = #f is NOW.
  (let* ((cron-items     (map string->number (string-split cron-str)))
	 (now-seconds    (or now-seconds-in (current-seconds)))
	 (now-time       (seconds->local-time now-seconds))
	 (last-done-time (seconds->local-time last-done))
	 (all-times      (make-hash-table)))
    ;; (print "cron-items: " cron-items "(length cron-items): " (length cron-items))
    (if (not (eq? (length cron-items) 5)) ;; don't even try to figure out junk strings
	#f
	(match-let (((     cmin chour cdayofmonth cmonth    cdayofweek)
		     cron-items)
		    ;; 0     1    2        3         4    5      6
		    ((nsec nmin nhour ndayofmonth nmonth nyr ndayofweek n7 n8 n9)
		     (vector->list now-time))
		    ((lsec lmin lhour ldayofmonth lmonth lyr ldayofweek l7 l8 l9)
		     (vector->list last-done-time)))
	  ;; create all possible time slots
	  ;; remove invalid slots due to (for example) day of week
	  ;; get the start and end entries for the ref-seconds (current) time
	  ;; if last-done > ref-seconds => this is an ERROR!
	  ;; does the last-done time fall in the legit region?
	  ;;    yes => #f  do not run again this command
	  ;;    no  => #t  ok to run the command
	  (for-each ;; month
	   (lambda (month)
	     (for-each ;; dayofmonth
	      (lambda (dom)
		(for-each
		 (lambda (hr) ;; hour
		   (for-each
		    (lambda (minute) ;; minute
		      (let ((copy-now (apply vector (vector->list now-time))))
			(vector-set! copy-now 0 0) ;; force seconds to zero
			(vector-set! copy-now 1 minute)
			(vector-set! copy-now 2 hr)
			(vector-set! copy-now 3 dom)  ;; dom is already corrected for zero referenced
			(vector-set! copy-now 4 month)
			(let* ((copy-now-secs (local-time->seconds copy-now))
			       (new-copy      (seconds->local-time copy-now-secs))) ;; remake the time vector
			  (if (or (not cdayofweek)
				  (equal? (vector-ref new-copy 6)
					  cdayofweek)) ;; if the day is specified and a match OR if the day is NOT specified
			      (if (or (not cdayofmonth)
				      (equal? (vector-ref new-copy 3)
					      (+ 1 cdayofmonth))) ;; if the month is specified and a match OR if the month is NOT specified
				  (hash-table-set! all-times copy-now-secs new-copy))))))
		    (if cmin
			`(,cmin)  ;; if given cmin, have to use it
			(list (- nmin 1) nmin (+ nmin 1))))) ;; minute
		 (if chour
		     `(,chour)
		     (list (- nhour 1) nhour (+ nhour 1))))) ;; hour
	      (if cdayofmonth
		  `(,cdayofmonth)
		  (list (- ndayofmonth 1) ndayofmonth (+ ndayofmonth 1)))))
	   (if cmonth
	       `(,cmonth)
	       (list (- nmonth 1) nmonth (+ nmonth 1))))
	  (let ((before #f)
		(is-in  #f))
	    (for-each
	     (lambda (moment)
	       (if (and before
			(<= before now-seconds)
			(>= moment now-seconds))
		   (begin
		     ;; (print)
		     ;; (print "Before: " (time->string (seconds->local-time before)))
		     ;; (print "Now:    " (time->string (seconds->local-time now-seconds)))
		     ;; (print "After:  " (time->string (seconds->local-time moment)))
		     ;; (print "Last:   " (time->string (seconds->local-time last-done)))
		     (if (<  last-done before)
			 (set! is-in before))
		     ))
	       (set! before moment))
	     (sort (hash-table-keys all-times) <))
	    is-in)))))

(define (common:extended-cron  cron-str now-seconds-in last-done)
  (let ((expanded-cron (common:cron-expand cron-str)))
    (if (string? expanded-cron)
	(common:cron-event expanded-cron now-seconds-in last-done)
	(let loop ((hed (car expanded-cron))
		   (tal (cdr expanded-cron)))
	  (if (common:cron-event hed now-seconds-in last-done)
	      #t
	      (if (null? tal)
		  #f
		  (loop (car tal)(cdr tal))))))))



;;======================================================================
;; misc stuff
;;======================================================================

(define (common:get-signature str)
  (message-digest-string (md5-primitive) str))





)

;;   we start the server if not running else start the client thread
;;======================================================================

;; Server? Start up here.
;;
(if (args:get-arg "-server")
    (let ((tl        (launch:setup)))
      (case (rmt:transport-mode)
	((http)(http-transport:launch))
	((tcp) (tt:start-server tl))
	(else (debug:print 0 "ERROR: rmt:transport-mode value not recognised "(rmt:transport-mode))))
      (set! *didsomething* #t)))

;; The adjutant is a bit different, it does NOT run (launch:setup) as it is not necessarily tied to
;; a specific Megatest area. Detail are being hashed out and this may change.
;;
(if (args:get-arg "-adjutant")
    (begin

(use (prefix sqlite3 sqlite3:) srfi-1 posix regex regex-case srfi-69 (srfi 18) 
     posix-extras directory-utils pathname-expand typed-records format  sxml-serializer
     sxml-modifications matchable)

(declare (unit runs))
(declare (uses db))
(declare (uses common))
(declare (uses commonmod))
(declare (uses items))
(declare (uses runconfig))
(declare (uses tests))
(declare (uses server))
(declare (uses mt))
(declare (uses archive))
;; (declare (uses filedb))

(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "run_records.scm")
(include "test_records.scm")

;; (include "debugger.scm")

(import commonmod)

;; use this struct to facilitate refactoring
;;

(defstruct runs:dat
  reglen regfull
  runname max-concurrent-jobs run-id

(define (server:get-server-id)
  (if *server-id* *server-id*
      (let ((sig (server:mk-signature))) ;; clients re-use the server:mk-signature logic
        (set! *server-id* sig)
        *server-id*)))

;; ;; When using zmq this would send the message back (two step process)
;; ;; with spiffy or rpc this simply returns the return data to be returned
;; ;; 
;; (define (server:reply return-addr query-sig success/fail result)
;;   (debug:print-info 11 *default-log-port* "server:reply return-addr=" return-addr ", result=" result)
;;   ;; (send-message pubsock target send-more: #t)
;;   ;; (send-message pubsock 
;;   (case (server:get-transport)
;;     ((rpc)  (db:obj->string (vector success/fail query-sig result)))
;;     ((http) (db:obj->string (vector success/fail query-sig result)))
;;     ((fs)   result)
;;     (else 
;;      (debug:print-error 0 *default-log-port* "unrecognised transport type: " *transport-type*)
;;      result)))

;; Given an area path,  start a server process    ### NOTE ### > file 2>&1 
;; if the target-host is set 
;; try running on that host
;;   incidental: rotate logs in logs/ dir.
;;
(define  (server:run areapath) ;; areapath is *toppath* for a given testsuite area

(declare (uses debugprint))
(declare (uses commonmod))

(module tcp-transportmod
	*
	
  (import scheme
	  (prefix sqlite3 sqlite3:)
	  chicken
	  data-structures
	  directory-utils
	  extras
	  files
	  hostinfo
	  matchable
	  md5
	  message-digest
	  ports
	  posix
	  srfi-1
	  srfi-18
	  srfi-4
	  srfi-69
	  stack

	  typed-records
	  
	  commonmod
	  debugprint
	)

;;======================================================================
;; client
;;======================================================================

;; (define keep-age-param (make-parameter 10)) ;; qif file age, if over move to attic

(defstruct tt
  ;; all
  (areapath #f)
  ;; client related
  (conns (make-hash-table)) ;; dbfname -> conn
  ;; server related
  (cleanup-proc #f)
  )

(defstruct tt-conn
  host
  port
  dbfname
)

(define (tt:make-remote areapath)
  (make-tt area: areapath))

(define (tt:client-connect-to-server ttdat)
  #f)

(define (tt:handler runremote cmd rid params attemptnum area-dat areapath readonly-mode dbfname)
  ;; NOTE: areapath is passed in and in tt struct. We'll use passed in value for now.
  (let* ((conn (hash-table-ref/default (tt-conns runremote) dbfname #f)))
    (if conn
	;; have connection, call the server
	(let* ((res (tt:send-receive runremote conn cmd rid params)))
	  (cond
	   ((member res '(busy starting))
	    (thread-sleep! 1)
	    (tt:handler  runremote cmd rid params attemptnum area-dat areapath readonly-mode dbfname))
	   (else
	    res)))
	;; no conn yet, find and or start and find a server
	(let* ((server (tt:find-server areapath dbfname)))
	  (if server
	      (let* ((conn (tt:client-connect-to-server server)))
		(hash-table-set! (tt-conns runremote) dbfname conn)
		(tt:handler  runremote cmd rid params attemptnum area-dat areapath readonly-mode dbfname))
	      ;; no server, try to start one
	      (begin
		(tt:start-server areapath dbfname)
		(thread-sleep! 1)
		(tt:handler  runremote cmd rid params attemptnum area-dat areapath readonly-mode dbfname)))))))

;;======================================================================
;; server
;;======================================================================

(define (tt:sync-dbs ttdat)
  #f)

;; start the listener and start responding to requests
;;
(define (tt:start-server ttdat)
  #f)

(define (tt:shutdown-server ttdat)
  (let* ((cleanproc (tt-cleanup-proc ttdat)))
    (if cleanproc (cleanproc))
    ;; close up ports here
    #f))

;; return servid
;; side-effects:
;;   ttdat-cleanup-proc is populated with function to remove the serverinfo file
(define (tt:create-server-registration-file ttdat dbfname)
  (let* ((areapath (tt-areapath ttdat))
	 (servdir  (tt:get-servinfo-dir areapath))
	 (conn     (hash-table-ref/default (tt-conns ttdat) dbfname #f)))
    (assert conn "FATAL: tt:create-server-registration-file called with no conn, dbfname="dbfname)
    (let* ((host    (tt-conn-host conn))
	   (port    (tt-conn-port conn))
	   (servinf (conc servdir"/"host":"port"-"(current-process-id)":"dbfname))
	   (serv-id (tt:mk-signature areapath))
	   (clean-proc (lambda ()
			 (delete-file* servinf))))
      (tt-cleanup-proc-set! ttdat clean-proc)
      (with-output-to-file servinf
	(lambda ()
	  (print "SERVER STARTED: "host":"port" AT "(current-seconds)" server-id: "serv-id" pid: "(current-process-id))))
      serv-id)))

;; find valid server
;; get servers listed, last part of name must match :<dbfname>
;; if more than one, wait one second and look again
;; future: ping oldest, if alive remove other :<dbfname> files
;;
(define (tt:find-server ttdat dbfname)
  (let* ((areapath (tt-areapath ttdat))
	 (servdir  (tt:get-servinfo-dir areapath))
	 (sfiles   (glob (conc servdir"/*:"dbfname))))
    sfiles))

;; Given an area path,  start a server process    ### NOTE ### > file 2>&1 
;; if the target-host is set 
;; try running on that host
;;   incidental: rotate logs in logs/ dir.
;;
(define  (tt:server-process-run areapath testsuite mtexe #!key (profile-mode "")) ;; areapath is *toppath* for a given testsuite area
  (let* ((logfile   (conc areapath "/logs/server.log")) ;; -" curr-pid "-" target-host ".log"))
	 (cmdln     (conc
		     mtexe
		     " -server - ";; (or target-host "-")
		     " -m testsuite:" testsuite
		     " " profile-mode
		     ))) ;; (conc " >> " logfile " 2>&1 &")))))
    ;; we want the remote server to start in *toppath* so push there
    (push-directory areapath)
    (debug:print 0 *default-log-port* "INFO: Trying to start server in tcp mode (" cmdln ") ...")
    (debug:print 0 *default-log-port* "INFO: starting server at " (common:human-time))
    (system (conc "nbfake " cmdln))
    (pop-directory)))

;;======================================================================
;; utils
;;======================================================================

;; Generate a unique signature for this server
(define (tt:mk-signature areapath)
  (message-digest-string (md5-primitive) 
			 (with-output-to-string
			   (lambda ()
			     (write (list areapath
                                          (current-process-id)
					  (argv)))))))


(define (tt:get-best-guess-address hostname)
  (let ((res #f))
    (for-each 
     (lambda (adr)
       (if (not (eq? (u8vector-ref adr 0) 127))
	   (set! res adr)))
     ;; NOTE: This can fail when there is no mention of the host in /etc/hosts. FIXME
     (vector->list (hostinfo-addresses (hostname->hostinfo hostname))))
    (string-intersperse 
     (map number->string
	  (u8vector->list
	   (if res res (hostname->ip hostname)))) ".")))

(define (tt:get-servinfo-dir areapath)
  (let* ((spath (conc areapath"/.servinfo")))
    (if (not (file-exists? spath))
	(create-directory spath #t))
    spath))

)