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;;======================================================================
;; Copyright 2017, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit commonmod))
;; (declare (uses processmod))

(module commonmod
	*
	
(import scheme chicken data-structures extras)
(import (prefix sqlite3 sqlite3:) posix typed-records srfi-18
	srfi-1 files format srfi-13 matchable 
	srfi-69 ports
	regex-case regex hostinfo srfi-4
	pkts (prefix dbi dbi:)
	stack)

;; (import processmod)
(import stml2)

(include "common_records.scm")
(include "megatest-fossil-hash.scm")
(include "megatest-version.scm")

 ;; no need to export this
(define *verbosity-cache* (make-hash-table))
(define *verbosity* 0)

;; this was cached based on results from profiling but it turned out the profiling
;; somehow went wrong - perhaps too many processes writing to it. Leaving the caching
;; in for now but can probably take it out later.
;;
(define (debug:calc-verbosity vstr verbose quiet) ;; verbose and quiet are #f or enabled
  (or (hash-table-ref/default *verbosity-cache* vstr #f)
      (let ((res (cond
                  ((number? vstr) vstr)
                  ((not (string?  vstr))   1)
                  ;; ((string-match  "^\\s*$" vstr) 1)
                  (vstr           (let ((debugvals  (filter number? (map string->number (string-split vstr ",")))))
                                    (cond
                                     ((> (length debugvals) 1) debugvals)
                                     ((> (length debugvals) 0)(car debugvals))
                                     (else 1))))
                  (verbose                2) ;; ((args:get-arg "-v")   2)
                  (quiet                  0) ;; ((args:get-arg "-q")    0)
                  (else                   1))))
        (hash-table-set! *verbosity-cache* vstr res)
        res)))

;; check verbosity, #t is ok
(define (debug:check-verbosity verbosity vstr)
  (if (not (or (number? verbosity)
	       (list?   verbosity)))
      (begin
	(print "ERROR: Invalid debug value \"" vstr "\"")
	#f)
      #t))

(define (debug:debug-mode n)
  (cond
   ((and (number? *verbosity*)   ;; number number
	 (number? n))
    (<= n *verbosity*))
   ((and (list? *verbosity*)     ;; list   number
	 (number? n))
    (member n *verbosity*))
   ((and (list? *verbosity*)     ;; list   list
	 (list? n))
    (not (null? (lset-intersection! eq? *verbosity* n))))
   ((and (number? *verbosity*)
	 (list? n))
    (member *verbosity* n))))

(define (debug:setup dmode verbose quiet)
  (let ((debugstr (or dmode                           ;; (args:get-arg "-debug")
		      (get-environment-variable "MT_DEBUG_MODE"))))
    (set! *verbosity* (debug:calc-verbosity debugstr verbose quiet))
    (debug:check-verbosity *verbosity* debugstr)
    ;; if we were handed a bad verbosity rule then we will override it with 1 and continue
    (if (not *verbosity*)(set! *verbosity* 1))
    (if (or dmode                                            ;; (args:get-arg "-debug")
	    (not (get-environment-variable "MT_DEBUG_MODE")))
	(setenv "MT_DEBUG_MODE" (if (list? *verbosity*)
				    (string-intersperse (map conc *verbosity*) ",")
				    (conc *verbosity*))))))
  
(define (debug:print n e . params)
  (if (debug:debug-mode n)
      (with-output-to-port (or e (current-error-port))
	(lambda ()
	  ;; (if *logging*
	  ;;    (exec-fn 'db:log-event (apply conc params))
	  (apply print params)
	  )))) ;; )

(define (debug:print-error n e . params)
  ;; normal print
  (if (debug:debug-mode n)
      (with-output-to-port (if (port? e) e (current-error-port))
	(lambda ()
	  ;; (if *logging*
	     ;; (exec-fn 'db:log-event (apply conc params))
	      ;; (apply print "pid:" (current-process-id) " " params)
	  (apply print "ERROR: " params)
	  ))) ;; )
  ;; pass important messages to stderr
  (if (and (eq? n 0)(not (eq? e (current-error-port)))) 
      (with-output-to-port (current-error-port)
	(lambda ()
	  (apply print "ERROR: " params)
	  ))))

(define (debug:print-info n e . params)
  (if (debug:debug-mode n)
      (with-output-to-port (if (port? e) e (current-error-port))
	(lambda ()
	  ;; (if *logging*
	  ;;    (let ((res (format#format #f "INFO: (~a) ~a" n (apply conc params))))
		;; (exec-fn 'db:log-event res))
	      ;; (apply print "pid:" (current-process-id) " " "INFO: (" n ") " params) ;; res)
	  (apply print "INFO: (" n ") " params) ;; res)
	  )))) ;; )



;; (define (common:low-noise-print alldat waitval . keys)
;;   (let* ((key      (string-intersperse (map conc keys) "-" ))
;; 	 (lasttime (hash-table-ref/default (alldat-denoise alldat) key 0))
;; 	 (currtime (current-seconds)))
;;     (if (> (- currtime lasttime) waitval)
;; 	(begin
;; 	  (hash-table-set! (alldat-denoise alldat) key currtime)
;; 	  #t)
;; 	#f)))
;; 
;; (define (common:version-signature alldat)
;;   (conc (alldat-megatest-version alldat)
;; 	"-" (substring (alldat-megatest-fossil-hash alldat) 0 4)))
;; 
;; (define (common:get-fields cfgdat)
;;   (let ((fields (hash-table-ref/default cfgdat "fields" '())))
;;     (map car fields)))
;; 
;; ;;======================================================================
;; ;; 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))))))))
;; 
;; ;;======================================================================
;; ;; C O L O R S
;; ;;======================================================================
;;       
;; (define (common:name->iup-color name)
;;   (case (string->symbol (string-downcase name))
;;     ((red)    "223 33 49")
;;     ((grey)   "192 192 192")
;;     ((orange) "255 172 13")
;;     ((purple) "This is unfinished ...")))
;; 
;; ;; (define (common:get-color-for-state-status state status)
;; ;;   (case (string->symbol state)
;; ;;     ((COMPLETED)
;; ;;      (case (string->symbol status)
;; ;;        ((PASS)        "70  249 73")
;; ;;        ((WARN WAIVED) "255 172 13")
;; ;;        ((SKIP)        "230 230 0")
;; ;;        (else "223 33 49")))
;; ;;     ((LAUNCHED)         "101 123 142")
;; ;;     ((CHECK)            "255 100 50")
;; ;;     ((REMOTEHOSTSTART)  "50  130 195")
;; ;;     ((RUNNING)          "9   131 232")
;; ;;     ((KILLREQ)          "39  82  206")
;; ;;     ((KILLED)           "234 101 17")
;; ;;     ((NOT_STARTED)      "240 240 240")
;; ;;     (else               "192 192 192")))
;; 
;; (define (common:iup-color->rgb-hex instr)
;;   (string-intersperse 
;;    (map (lambda (x)
;;           (number->string x 16))
;;         (map string->number
;;              (string-split instr)))
;;    "/"))
;; 
;; ;; dot-locking egg seems not to work, using this for now
;; ;; if lock is older than expire-time then remove it and try again
;; ;; to get the lock
;; ;;
;; (define (common:simple-file-lock fname #!key (expire-time 300))
;;     (if (file-exists? fname)
;; 	(if (> (- (current-seconds)(file-modification-time fname)) expire-time)
;; 	    (begin
;;               (handle-exceptions exn #f (delete-file* fname))	
;; 	      (common:simple-file-lock fname expire-time: expire-time))
;; 	    #f)
;; 	(let ((key-string (conc (get-host-name) "-" (current-process-id))))
;; 	  (with-output-to-file fname
;; 	    (lambda ()
;; 	      (print key-string)))
;; 	  (thread-sleep! 0.25)
;; 	  (if (file-exists? fname)
;; 	      (handle-exceptions exn
;;                 #f 
;;                 (with-input-from-file fname
;; 	  	  (lambda ()
;; 		    (equal? key-string (read-line)))))
;; 	      #f))))
;; 
;; (define (common:simple-file-lock-and-wait fname #!key (expire-time 300))
;;   (let ((end-time (+ expire-time (current-seconds))))
;;     (let loop ((got-lock (common:simple-file-lock fname expire-time: expire-time)))
;;       (if got-lock
;; 	  #t
;; 	  (if (> end-time (current-seconds))
;; 	      (begin
;; 		(thread-sleep! 3)
;; 		(loop (common:simple-file-lock fname expire-time: expire-time)))
;; 	      #f)))))
;; 
;; (define (common:simple-file-release-lock fname)
;;   (handle-exceptions
;;       exn
;;       #f ;; I don't really care why this failed (at least for now)
;;     (delete-file* fname)))
;; 
;; ;; lazy-safe get file mod time. on any error (file not existing etc.) return 0
;; ;;
;; (define (common:lazy-modification-time fpath)
;;   (handle-exceptions
;;       exn
;;       0
;;       (file-modification-time fpath)))
;; 
;; ;; find timestamp of newest file associated with a sqlite db file
;; (define (common:lazy-sqlite-db-modification-time fpath)
;;   (let* ((glob-list (handle-exceptions
;; 			exn
;; 			`(,(conc "/no/such/file, message: " ((condition-property-accessor 'exn 'message) exn)))
;; 		      (glob (conc fpath "*"))))
;;          (file-list (if (eq? 0 (length glob-list))
;; 			'("/no/such/file")
;; 			glob-list)))
;;   (apply max
;;    (map
;;     common:lazy-modification-time 
;;     file-list))))
;; 
;; 
;; ;; execute thunk, return value.  If exception thrown, trap exception, return #f, and emit nonfatal condition note to *default-log-port* .
;; ;; arguments - thunk, message
;; (define (common:fail-safe thunk warning-message-on-exception)
;;   (handle-exceptions
;;    exn
;;    (begin
;;      (debug:print-info 0 *default-log-port* "notable but nonfatal condition - "warning-message-on-exception)
;;      (debug:print-info 0 *default-log-port*
;;                        (string-substitute "\n?Error:" "nonfatal condition:"
;;                                           (with-output-to-string
;;                                             (lambda ()
;;                                               (print-error-message exn) ))))
;;      (debug:print-info 0 *default-log-port* "    -- continuing after nonfatal condition...")
;;      #f)
;;    (thunk)))
;; 
;; (define getenv get-environment-variable)
;; (define (safe-setenv key val)
;;   (if (or (substring-index "!" key) (substring-index ":" key)) ;; variables containing : are for internal use and cannot be environment variables.
;;       (debug:print-error 4 *default-log-port* "skip setting internal use only variables containing \":\" or starting with \"!\"")
;;       (if (and (string? val)
;; 	       (string? key))
;; 	  (handle-exceptions
;; 	      exn
;; 	      (debug:print-error 0 *default-log-port* "bad value for setenv, key=" key ", value=" val)
;; 	    (setenv key val))
;; 	  (debug:print-error 0 *default-log-port* "bad value for setenv, key=" key ", value=" val))))
;; 
;; (define home (getenv "HOME"))
;; (define user (getenv "USER"))
;; 
;; 
;; ;; returns list of fd count, socket count
;; (define (get-file-descriptor-count #!key  (pid (current-process-id )))
;;   (list
;;     (length (glob (conc "/proc/" pid "/fd/*")))
;;     (length  (filter identity (map socket? (glob (conc "/proc/" pid "/fd/*")))))
;;   )
;; )
;;

;; pulled from common_records.scm

;; globals - modules that include this need these here
(define *logging* #f)
(define *functions* (make-hash-table)) ;; symbol => fn ### TEMPORARY!!!
;; (define *toppath* #f)
(define *transport-type* 'http)

#;(define (exec-fn fn . params)
  (if (hash-table-exists? *functions* fn)
      (apply (hash-table-ref *functions* fn) params)
      (begin
	(debug:print-error 0 "exec-fn " fn " not found")
	#f)))

#;(define (set-fn fn-name fn)
  (hash-table-set! *functions* fn-name fn))

(include "altdb.scm")


;; Pulled from http-transport.scm

(define (make-http-transport:server-dat)(make-vector 6))
(define (http-transport:server-dat-get-iface         vec)    (vector-ref  vec 0))
(define (http-transport:server-dat-get-port          vec)    (vector-ref  vec 1))
(define (http-transport:server-dat-get-api-uri       vec)    (vector-ref  vec 2))
(define (http-transport:server-dat-get-api-url       vec)    (vector-ref  vec 3))
(define (http-transport:server-dat-get-api-req       vec)    (vector-ref  vec 4))
(define (http-transport:server-dat-get-last-access   vec)    (vector-ref  vec 5))
(define (http-transport:server-dat-get-socket        vec)    (vector-ref  vec 6))

(define (http-transport:server-dat-make-url vec)
  (if (and (http-transport:server-dat-get-iface vec)
	   (http-transport:server-dat-get-port  vec))
      (conc "http://" 
	    (http-transport:server-dat-get-iface vec)
	    ":"
	    (http-transport:server-dat-get-port  vec))
      #f))

(define (http-transport:server-dat-update-last-access vec)
  (if (vector? vec)
      (vector-set! vec 5 (current-seconds))
      (begin
	(print-call-chain (current-error-port))
	(debug:print-error 0 (current-error-port) "call to http-transport:server-dat-update-last-access with non-vector!!"))))

;;======================================================================
;;
;;======================================================================


;; allow these queries through without starting a server
;;
(define api:read-only-queries
  '(get-key-val-pairs
    get-var
    get-keys
    get-key-vals
    test-toplevel-num-items
    get-test-info-by-id
    get-steps-info-by-id
    get-data-info-by-id
    test-get-rundir-from-test-id
    get-count-tests-running-for-testname
    get-count-tests-running
    get-count-tests-running-in-jobgroup
    get-previous-test-run-record
    get-matching-previous-test-run-records
    test-get-logfile-info
    test-get-records-for-index-file
    get-testinfo-state-status
    test-get-top-process-pid
    test-get-paths-matching-keynames-target-new
    get-prereqs-not-met
    get-count-tests-running-for-run-id
    get-run-info
    get-run-status
    get-run-state
    get-run-stats
    get-run-times
    get-targets
    get-target
    ;; register-run
    get-tests-tags
    get-test-times
    get-tests-for-run
    get-test-id
    get-tests-for-runs-mindata
    get-tests-for-run-mindata
    get-run-name-from-id
    get-runs
    simple-get-runs
    get-num-runs
    get-runs-cnt-by-patt
    get-all-run-ids
    get-prev-run-ids
    get-run-ids-matching-target
    get-runs-by-patt
    get-steps-data
    get-steps-for-test
    read-test-data
    read-test-data*
    login
    tasks-get-last
    testmeta-get-record
    have-incompletes?
    synchash-get
    get-changed-record-ids
		get-run-record-ids 
    get-not-completed-cnt))

(define api:write-queries
  '(
    get-keys-write ;; dummy "write" query to force server start

    ;; SERVERS
    start-server
    kill-server

    ;; TESTS
    test-set-state-status-by-id
    delete-test-records
    delete-old-deleted-test-records
    test-set-state-status
    test-set-top-process-pid
    set-state-status-and-roll-up-items
     
    update-pass-fail-counts
    top-test-set-per-pf-counts ;; (db:top-test-set-per-pf-counts (db:get-db *db* 5) 5 "runfirst")

    ;; RUNS
    register-run
    set-tests-state-status
    delete-run
    lock/unlock-run
    update-run-event_time
    mark-incomplete
    set-state-status-and-roll-up-run
    ;; STEPS
    teststep-set-status!
    delete-steps-for-test
    ;; TEST DATA
    test-data-rollup
    csv->test-data

    ;; MISC
    sync-inmem->db

    ;; TESTMETA
    testmeta-add-record
    testmeta-update-field

    ;; TASKS
    tasks-add
    tasks-set-state-given-param-key
    ))

;;======================================================================
;; ALLDATA
;;======================================================================
;;
;; attempt to consolidate a bunch of global information into one struct to toss around
(defstruct alldat
  ;; misc
  (denoise           (make-hash-table))
  (areapath          #f) ;; i.e. toppath
  (mtconfig          #f)
  (log-port          #f)
  (areadat           #f) ;; i.e. runremote
  (rmt-mutex         (make-mutex))
  (db-sync-mutex     (make-mutex))
  (db-with-db-mutex  (make-mutex))
  (read-only-queries api:read-only-queries)
  (write-queries     api:write-queries)
  (max-api-process-requests 0)
  (api-process-request-count 0)
  (db-keys           #f)
  (megatest-version  "1.6536")
  (megatest-fossil-hash #f)
  
  ;; database related
  (tmppath           #f) ;; tmp path for dbs

  ;; runremote fields
  (hh-dat            #f) ;; (exec-fn 'common:get-homehost)) ;; homehost record ( addr . hhflag )
  (server-url        #f) ;; (if *toppath* (exec-fn 'server:check-if-running *toppath*))) ;; (server:check-if-running *toppath*) #f))
  (last-server-check 0)  ;; last time we checked to see if the server was alive
  (conndat           #f)
  (transport         *transport-type*)
  (server-timeout    #f) ;; (exec-fn 'server:expiration-timeout))
  (force-server      #f)
  (ro-mode           #f)  
  (ro-mode-checked   #f) ;; flag that indicates we have checked for ro-mode
  (ulex:conn         #f) ;; ulex db conn is not exactly a db connector, more like a network connector 

  ;; dbstruct
  (tmpdb       #f)
  (dbstack     #f) ;; stack for tmp db handles, do not initialize with a stack
  (mtdb        #f)
  (refndb      #f)
  (homehost    #f) ;; not used yet
  (on-homehost #f) ;; not used yet
  (read-only   #f)

  )

(define *alldat* (make-alldat))

;; Some of these routines use:
;;
;;     http://www.cs.toronto.edu/~gfb/scheme/simple-macros.html
;;
;; Syntax for defining macros in a simple style similar to function definiton,
;;  when there is a single pattern for the argument list and there are no keywords.
;;
;; (define-simple-syntax (name arg ...) body ...)
;;

(define-syntax define-simple-syntax
  (syntax-rules ()
    ((_ (name arg ...) body ...)
     (define-syntax name (syntax-rules () ((name arg ...) (begin body ...)))))))

;; (define-syntax common:handle-exceptions
;;   (syntax-rules ()
;;     ((_ exn-in errstmt ...)(handle-exceptions exn-in errstmt ...))))

(define-syntax common:debug-handle-exceptions
  (syntax-rules ()
    ((_ debug exn errstmt body ...)
     (if debug
	 (begin body ...)
	 (handle-exceptions exn errstmt body ...)))))

(define-syntax common:handle-exceptions
  (syntax-rules ()
    ((_ exn errstmt body ...)
     (begin body ...))))

;; (define handle-exceptions common:handle-exceptions)

;; iup callbacks are not dumping the stack, this is a work-around
;;
(define-simple-syntax (debug:catch-and-dump proc procname)
  (handle-exceptions
   exn
   (begin
     (print-call-chain (current-error-port))
     (with-output-to-port (current-error-port)
       (lambda ()
	 (print ((condition-property-accessor 'exn 'message) exn))
	 (print "Callback error in " procname)
	 (print "Full condition info:\n" (condition->list exn)))))
   (proc)))

;; Need a mutex protected way to get and set values
;; or use (define-simple-syntax ??
;;
(define-inline (with-mutex mtx accessor record . val)
  (mutex-lock! mtx)
  (let ((res (apply accessor record val)))
    (mutex-unlock! mtx)
    res))

;; Brandon's debug printer shortcut (indulge me :)
;; (define *BB-process-starttime* (current-milliseconds))
#;(define (BB> . in-args)
  (let* ((stack (get-call-chain))
         (location "??"))
    (for-each
     (lambda (frame)
       (let* ((this-loc (vector-ref frame 0))
              (temp     (string-split (->string this-loc) " "))
              (this-func (if (and (list? temp) (> (length temp) 1)) (cadr temp) "???")))
         (if (equal? this-func "BB>")
             (set! location this-loc))))
     stack)
    (let* ((color-on "\x1b[1m")
           (color-off "\x1b[0m")
           (dp-args
            (append
             (list 0 *default-log-port*
                   (conc color-on location "@"(/ (- (current-milliseconds) *BB-process-starttime*) 1000) color-off "   ")  )
             in-args)))
      (apply debug:print dp-args))))

;; (define *BBpp_custom_expanders_list* (make-hash-table))



;; register hash tables with BBpp.
#;(hash-table-set! *BBpp_custom_expanders_list* HASH_TABLE:
                 (cons hash-table? hash-table->alist))

;; test name converter
#;(define (BBpp_custom_converter arg)
  (let ((res #f))
    (for-each
     (lambda (custom-type-name)
       (let* ((custom-type-info      (hash-table-ref *BBpp_custom_expanders_list* custom-type-name))
              (custom-type-test      (car custom-type-info))
              (custom-type-converter (cdr custom-type-info)))
         (when (and (not res) (custom-type-test arg))
           (set! res (custom-type-converter arg)))))
     (hash-table-keys *BBpp_custom_expanders_list*))
    (if res (BBpp_ res) arg)))

#;(define (BBpp_ arg)
  (cond
   ;;((SOMESTRUCT? arg) (cons SOMESTRUCT: (SOMESTRUCT->alist arg)))
   ;;((dboard:tabdat? arg) (cons dboard:tabdat: (dboard:tabdat->alist arg)))
   ((hash-table? arg)
    (let ((al (hash-table->alist arg)))
      (BBpp_ (cons HASH_TABLE: al))))
   ((null? arg) '())
   ;;((list? arg) (cons (BBpp_ (car arg)) (BBpp_ (cdr arg))))
   ((pair? arg) (cons (BBpp_ (car arg)) (BBpp_ (cdr arg))))
   (else (BBpp_custom_converter arg))))

;; Brandon's pretty printer.  It expands hashes and custom types in addition to regular pp
#;(define (BBpp arg)
  (pp (BBpp_ arg)))

;(use define-macro)
#;(define-syntax inspect
  (syntax-rules ()
    [(_ x)
    ;; (with-output-to-port (current-error-port)
       (printf "~a is: ~a\n" 'x (with-output-to-string (lambda () (BBpp x))))
     ;;  )
     ]
    [(_ x y ...) (begin (inspect x) (inspect y ...))]))


;; if a value is printable (i.e. string or number) return the value
;; else return an empty string
(define-inline (printable val)
  (if (or (number? val)(string? val)) val ""))

)