Megatest

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

;; NOT CURRENTLY USED
;;
#;(define (archive:main linktree target runname testname itempath options)
  (let ((testdir (conc linktree "/" target "/" runname "/" testname "/" itempatt))
	(flavor  'plain) ;; type of machine to run jobs on
	(maxload 1.5)   ;; max allowed load for this work
	(adisks  (archive:get-archive-disks)))
    ;; get testdir size
    ;;   - hand off du to job mgr
    (if (and (common:file-exists? testdir)

                              (debug:print-error 0 *default-log-port* "There was an error archiving data with bup. Archive failed.")
                              (exit 1))
                             (debug:print-info 0 *default-log-port* "To restore megatest.db run megatest -archive replicacte-db -source archive-dir -time-stamp <ts>. Current timestamp: " (seconds->std-time-str (current-seconds))))))) 
               (else
                   (debug:print-info 0 *default-log-port* "No support for databse archiving with " archiver)))
               (debug:print-error 0 *default-log-port* "There was an error rsyncing tmp database")))))

#;(define (archive:restore-db archive-path ts)
   (let* ((bup-exe               (or (configf:lookup *configdat* "archive" "bup") "bup"))
         (archive-internal-path (conc (common:get-testsuite-name) "-megatest-db/" ts "/megatest.db" ))
         (bup-restore-params  (list "-d" archive-path "restore" "-C" *toppath* archive-internal-path)))
		 (debug:print-info 2 *default-log-port* "Restoring archived data to " *toppath* " from archive in " archive-path " ... " archive-internal-path)
		 (run-n-wait bup-exe params: bup-restore-params print-cmd: "Running:"))
      (sleep 2)
      (db:multi-db-sync 

(declare (uses common))
(declare (uses db))
(declare (uses tasks)) ;; tasks are where stuff is maintained about what is running.

(include "common_records.scm")
(include "db_records.scm")

;; client:get-signature, not used right now but likely needed
#;(define (client:get-signature)
  (if *my-client-signature* *my-client-signature*
      (let ((sig (conc (get-host-name) " " (current-process-id))))
	(set! *my-client-signature* sig)
	*my-client-signature*)))


(define (client:setup areapath #!key (remaining-tries 100) (failed-connects 0))

	  (sparse-vector-set! new-row y val)))))

;;======================================================================
;; L O C K E R S   A N D   B L O C K E R S 
;;======================================================================

;; block further accesses to databases. Call this before shutting db down
#;(define (common:db-block-further-queries)
  (mutex-lock! *db-access-mutex*)
  (set! *db-access-allowed* #f)
  (mutex-unlock! *db-access-mutex*))

#;(define (common:db-access-allowed?)
  (let ((val (begin
	       (mutex-lock! *db-access-mutex*)
	       *db-access-allowed*
	       (mutex-unlock! *db-access-mutex*))))
    val))

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

	 (sort (hash-table-keys directories) (lambda (a b)(> (string-length a)(string-length b))))))
    ))

;;======================================================================
;; E N V I R O N M E N T   V A R S
;;======================================================================

#;(define (bb-check-path #!key (msg "check-path: "))
  (let ((path (or (get-environment-variable "PATH") "none")))
    (debug:print-info 0 *default-log-port* (conc msg" : $PATH="path))
    (if (string-match "^.*/isoenv-core/.*" path)
        (debug:print-error 0 *default-log-port* (conc msg" : !!ISOENV PRESENT!!")) ;; remove for prod
        (debug:print-info 1 *default-log-port* (conc msg" : **no isoenv present**")))))
	      
(define (save-environment-as-files fname #!key (ignorevars (list "USER" "HOME" "DISPLAY" "LS_COLORS" "XKEYSYMDB" "EDITOR" "MAKEFLAGS" "MAKEF" "MAKEOVERRIDES")))

	(lambda (runname)
	  (set! res runname))
	db
	"SELECT runname FROM runs WHERE id=?;"
	run-id)
       res))))

#;(define (db:get-run-key-val dbstruct run-id key)
  (db:with-db
   dbstruct
   #f
   #f
   (lambda (db)
     (let ((res #f))
       (sqlite3:for-each-row

       in-stml))))

;; helpers for mappers/checkers
(define (add-target-mapper name proc)
  (hash-table-set! *target-mappers* name proc))
(define (add-runname-mapper name proc)
  (hash-table-set! *runname-mappers* name proc))
(define (add-area-checker name proc) ;; util, USED EXTERNALLY, do not remove.
  (hash-table-set! *area-checkers* name proc))

;; given a runkey, xlatr-key and other info return one of the following:
;;   list of targets, null list to skip processing
;;   
(define (map-targets mtconf aval-alist runkey area contour #!key (xlatr-key-in #f))
  (pp aval-alist)

                  (prev-seen (make-hash-table))) ;; catch duplicates
             (if user-info
              (begin
               (for-each
              (lambda (listener)
                (let ((host-port (car listener))
                      (attrib (val->alist (cadr listener))))
                  (if (and (equal? msg "time-to-die")
			   (not (can-user-kill-listner user-info attrib)))
                   (begin
                      (debug:print-error 0 *default-log-port* "User " (car user-info) " is not allowed to send message '" msg"'")
                      (exit 1)))
                  (print "sending " msg " to " host-port )
                  (open-send-close-nn host-port msg attrib timeout: time-out )))
              listeners))
              (begin

                  (prev-seen (make-hash-table))) ;; catch duplicates
             (if user-info
              (begin
               (for-each
              (lambda (listener)
                (let ((host-port (car listener))
                      (attrib (val->alist (cadr listener))))
                  (if (and (equal? msg "time-to-die")
			   (not (can-user-kill-listner user-info attrib)))
                   (begin
                      (debug:print-error 0 *default-log-port* "User " (car user-info) " is not allowed to send message '" msg"'")
                      (exit 1)))
                  (print "sending " msg " to " host-port )
                  (open-send-receive-nn host-port msg attrib timeout: time-out )))
              listeners))
              (begin

;;(declare (uses rpc-transport))
(declare (uses launch))
;; (declare (uses daemon))

(include "common_records.scm")
(include "db_records.scm")

#;(define (server:make-server-url hostport)
  (if (not hostport)
      #f
      (conc "http://" (car hostport) ":" (cadr hostport))))

(define  *server-loop-heart-beat* (current-seconds))

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

;; Server and client management
;;======================================================================

;; make-vector-record tasks hostinfo id interface port pubport transport pid hostname
(define (tasks:hostinfo-get-id          vec)    (vector-ref  vec 0))
(define (tasks:hostinfo-get-interface   vec)    (vector-ref  vec 1))
(define (tasks:hostinfo-get-port        vec)    (vector-ref  vec 2))
;; (define (tasks:hostinfo-get-pubport     vec)    (vector-ref  vec 3))
(define (tasks:hostinfo-get-transport   vec)    (vector-ref  vec 4))
;; (define (tasks:hostinfo-get-pid         vec)    (vector-ref  vec 5))
(define (tasks:hostinfo-get-hostname    vec)    (vector-ref  vec 6))

(define (tasks:need-server run-id)
  (equal? (configf:lookup *configdat* "server" "required") "yes"))

;; no elegance here ...
;;

all : show-uncalled-procedures trackback

show-uncalled-procedures : show-uncalled-procedures.scm codescanlib.scm
	csc show-uncalled-procedures.scm

trackback : trackback.scm codescanlib.scm
	csc trackback.scm

;;     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/>.
;;

;; gotta compile with csc, doesn't work with csi -s for whatever reason

(use srfi-69)
(use matchable)
(use utils)
(use ports)
(use extras)
(use srfi-1)
(use posix)
(use srfi-12)

;; turn scheme file to a list of sexps, sexps of interest will be in the form of (define (<procname> <args>) <body> )

(define (load-scm-file scm-file)
  ;;(print "load "scm-file)
  (handle-exceptions
   exn
   '()
   (with-input-from-string
       (conc "("
             (with-input-from-file scm-file read-all)
             ")" )
     read)))

;; extract a list of procname, filename, args and body of procedures defined in filename, input from load-scm-file
;;   -- be advised:
;;      * this may be fooled by macros, since this code does not take them into account.
;;      * this code does only checks for form (define (<procname> ... ) <body>)
;;           so it excludes from reckoning
;;               - generated functions, as in things like foo-set! from defstructs,
;;               - define-inline, (
;;               - define procname (lambda ..
;;               - etc...
(define (get-toplevel-procs+file+args+body filename)
  (let* ((scm-tree (load-scm-file filename))
         (procs
          (filter identity
                  (map
                   (match-lambda 
                    [('define ('uses args ...) body ...) #f] ;; filter out (define (uses ...
                    [('define ('unit args ...) body ...) #f] ;; filter out (define (unit ...
                    [('define ('prefix args ...) body ...) #f] ;; filter out (define (prefix ...
                    [('define (defname args ...) body ...) ;; match (define (procname <args>) <body>)
                     (if (atom? defname) ;; filter out things we dont understand (procname is a list, what??)
                         (list defname filename args body)
                         #f)]
                    [else #f] ) scm-tree))))
    procs))


;; given a sexp, return a flat list of atoms in that sexp
(define (get-atoms-in-body body)
  (cond
   ((null? body) '())
   ((atom? body) (list body))
   (else
    (apply append (map get-atoms-in-body body)))))

;;  given a file, return a list of procname, file, list of atoms in said procname
(define (get-procs+file+atoms file)
  (let* ((toplevel-proc-items (get-toplevel-procs+file+args+body file))
         (res
          (map
           (lambda (item)
             (let* ((proc (car item))
                    (file (cadr item))
                    (args (caddr item))
                    (body (cadddr item))
                    (atoms (append (get-atoms-in-body args) (get-atoms-in-body body))))
               (list proc file atoms)))
           toplevel-proc-items)))
    res))

;; uniquify a list of atoms 
(define (unique-atoms lst)
  (let loop ((lst (flatten lst)) (res '()))
    (if (null? lst)
        (reverse res)
        (let ((c (car lst)))
          (loop (cdr lst) (if (member c res) res (cons c res)))))))

;; given a list of procname, filename, list of procs called from procname, cross reference and reverse
;; returning alist mapping procname to procname that calls said procname
(define (get-callers-alist all-procs+file+calls)
  (let* ((all-procs (map car all-procs+file+calls))
         (caller-ht (make-hash-table))) 
    ;; let's cross reference with a hash table
    (for-each (lambda (proc) (hash-table-set! caller-ht proc '())) all-procs)
    (for-each (lambda (item)
               (let* ((proc (car item))
                      (file (cadr item))
                      (calls (caddr item)))
                 (for-each (lambda (callee)
                             (hash-table-set! caller-ht callee
                                              (cons proc
                                                    (hash-table-ref caller-ht callee))))
                           calls)))
              all-procs+file+calls)
    (map (lambda (x)
           (let ((k (car x))
                 (r (unique-atoms (cdr x))))
             (cons k r)))                    
         (hash-table->alist caller-ht))))

;; create a handy cross-reference of callees to callers in the form of an alist.
(define (get-xref all-scm-files)
  (let* ((all-procs+file+atoms
          (apply append (map get-procs+file+atoms all-scm-files)))
         (all-procs (map car all-procs+file+atoms))
         (all-procs+file+calls  ; proc calls things in calls list
          (map (lambda (item)
                 (let* ((proc (car item))
                        (file (cadr item))
                        (atoms (caddr item))
                        (calls
                         (filter identity
                                 (map
                                  (lambda (x)
                                    (if (and ;; (not (equal? x proc))  ;; uncomment to prevent listing self
                                         (member x all-procs))
                                        x
                                        #f))
                                  atoms))))
                   (list proc file calls)))
               all-procs+file+atoms))
         (callers (get-callers-alist all-procs+file+calls))) 
    callers))

(define (get-danglers)
  (let* ((all-scm-files (glob "*.scm"))
         (xref (get-xref all-scm-files))
         (dangling-procs
          (map car (filter (lambda (x) (equal? 1 (length x))) xref))))
    dangling-procs))

(define (read-ignore-file fname)
  (let ((ht (make-hash-table)))
    (if (file-exists? fname)
	(for-each
	 (lambda (x)
	   (hash-table-set! ht x #t))
	 (with-input-from-file fname
	   read-lines)))
    ht))

(define (show-danglers)
  (let ((ignores     (read-ignore-file "danglers-to-ignore.txt"))
	(danglers    (map get-stats (get-danglers))))
    ;; (print "ignores: " (hash-table->alist ignores))
    (for-each (lambda (dangler)
		(let* ((fnname (conc (cadr dangler))))
		  ;; (print "fnname="fnname" member: "(member fnname ignore-list))
		  (if (not (hash-table-exists? ignores fnname))
		      (apply print (intersperse  dangler "\t"))
		      #;(print "skipping "fnname))))
	      (sort danglers (lambda (a b)(< (car a)(car b)))))))

    ;; (for-each print dangling-procs) ;; our product.

(define (get-stats fn)
  (let* ((data  (with-input-from-pipe (conc "grep '"fn"' *.scm") read-lines))
	 (files (delete-duplicates
		 (map (lambda (entry)
			(car (string-split entry ":")))
		      data))))
    (list (length data) fn files)))

(show-danglers)