Megatest

(define *test-meta-updated* (make-hash-table))
(define *globalexitstatus*  0) ;; attempt to work around possible thread issues
(define *passnum*           0) ;; when running track calls to run-tests or similar
;; (define *alt-log-file* #f)  ;; used by -log
(define *common:denoise*    (make-hash-table)) ;; for low noise printing
(define *default-log-port*  (current-error-port))

(define *default-area-tag* "local")

;; DATABASE
(define *dbstruct-db*         #f) ;; used to cache the dbstruct in db:setup. Goal is to remove this.
;; db stats
(define *db-stats*            (make-hash-table)) ;; hash of vectors < count duration-total >
(define *db-stats-mutex*      (make-mutex))

(define *wdnum* 0)
(define *wdnum*mutex (make-mutex))


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


(define *time-zero* (current-seconds)) ;; for the watchdog
(define *watchdog* (make-thread
		    (lambda ()
		      (handle-exceptions
			  exn
			  (begin
			    (print-call-chain)
			    (print " message: " ((condition-property-accessor 'exn 'message) exn)))
			(common:watchdog)))
		    "Watchdog thread"))

;; currently the primary job of the watchdog is to run the sync back to megatest.db from the db in /tmp
;; if we are on the homehost and we are a server (by definition we are on the homehost if we are a server)
;;
(define (common:readonly-watchdog dbstruct)
  (thread-sleep! 0.05) ;; delay for startup
  (debug:print-info 13 *default-log-port* "common:readonly-watchdog entered.")

;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;
;;======================================================================

;; (use trace)
(use typed-records)






;; moved to commonmod

;; ;; 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 ""))

)

	      (print-call-chain *default-log-port*)
	      (debug:print-error 0 *default-log-port* " closing connection failed with error: " ((condition-property-accessor 'exn 'message) exn)))
	    (close-connection! api-dat)
            ;;(close-idle-connections!)
	    #t))
	#f)))

;; Moved to commonmod
;;
;; (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 *default-log-port* "call to http-transport:server-dat-update-last-access with non-vector!!"))))

;;
;; connect
;;
(define (http-transport:client-connect iface port)
  (let* ((api-url      (conc "http://" iface ":" port "/api"))
	 (api-uri      (uri-reference (conc "http://" iface ":" port "/api")))

(let ((targ (or (args:get-arg "-reqtarg")(args:get-arg "-target"))))
  (if targ (setenv "MT_TARGET" targ)))

;; The watchdog is to keep an eye on things like db sync etc.
;;

;; TODO: for multiple areas, we will have multiple watchdogs; and multiple threads to manage
#;(define *watchdog* (make-thread
		    (lambda ()
		      (handle-exceptions
			  exn
			  (begin
			    (print-call-chain)
			    (print " message: " ((condition-property-accessor 'exn 'message) exn)))
			(common:watchdog)))