305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
|
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
|
-
+
|
;; (dbr:dbstruct-olddb-set! dbstruct olddb)
;; ;;; (mutex-unlock! *rundb-mutex*) ;;; why did we need a mutex on opening db's?
;; (db:sync-tables db:sync-tests-only *megatest-db* db)
;; db))
;; This routine creates the db if not already present. It is only called if the db is not already opened
;;
(define (db:open-db dbstruct #!key (areapath #f)) ;; TODO: actually use areapath
(define (db:open-db dbstruct #!key (areapath #f)(do-sync #t)) ;; TODO: actually use areapath
(let ((tmpdb-stack (dbr:dbstruct-dbstack dbstruct))) ;; RA => Returns the first reference in dbstruct
(if (stack? tmpdb-stack)
(db:get-db tmpdb-stack) ;; get previously opened db (will create new db handle if all in the stack are already used
(let* ((dbpath (db:dbfile-path )) ;; path to tmp db area
(dbexists (file-exists? dbpath))
(tmpdbfname (conc dbpath "/megatest.db"))
(dbfexists (file-exists? tmpdbfname)) ;; (conc dbpath "/megatest.db")))
|
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
|
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
|
-
-
-
+
+
+
+
-
+
-
-
+
|
(dbr:dbstruct-read-only-set! dbstruct #t)))
(dbr:dbstruct-mtdb-set! dbstruct mtdb)
(dbr:dbstruct-tmpdb-set! dbstruct tmpdb)
(dbr:dbstruct-dbstack-set! dbstruct (make-stack)) ;; BB: why a stack? Why would the number of db's be indeterminate? Is this a legacy of 1.db 2.db .. ?
(stack-push! (dbr:dbstruct-dbstack dbstruct) tmpdb) ;; olddb is already a (cons db path)
(dbr:dbstruct-refndb-set! dbstruct refndb)
;; (mutex-unlock! *rundb-mutex*)
(if (or (not dbfexists)
(and modtimedelta
(> modtimedelta 10))) ;; if db in tmp is over ten seconds older than the file in MTRA then do a sync back
(if (and (or (not dbfexists)
(and modtimedelta
(> modtimedelta 10))) ;; if db in tmp is over ten seconds older than the file in MTRA then do a sync back
do-sync)
(begin
(debug:print 4 *default-log-port* "filling db " (db:dbdat-get-path tmpdb) " with data \n from " (db:dbdat-get-path mtdb) " mod time delta: " modtimedelta)
(db:sync-tables (db:sync-all-tables-list dbstruct) #f mtdb refndb tmpdb)
(debug:print-info 13 *default-log-port* "db:sync-all-tables-list done.")
)
(debug:print 4 *default-log-port* " db, " (db:dbdat-get-path tmpdb) " already exists or fresh enough, not propogating data from\n " (db:dbdat-get-path mtdb) " mod time delta: " modtimedelta) )
;; (db:multi-db-sync dbstruct 'old2new)) ;; migrate data from megatest.db automatically
tmpdb))))
;; Make the dbstruct, setup up auxillary db's and call for main db at least once
;;
;; called in http-transport and replicated in rmt.scm for *local* access.
;;
(define (db:setup #!key (areapath #f))
(define (db:setup do-sync #!key (areapath #f))
;;
(cond
(*dbstruct-db* *dbstruct-db*);; TODO: when multiple areas are supported, this optimization will be a hazard
(else ;;(common:on-homehost?)
(debug:print-info 13 *default-log-port* "db:setup entered (first time, not cached.)")
(let* ((dbstruct (make-dbr:dbstruct)))
(when (not *toppath*)
(debug:print-info 13 *default-log-port* "in db:setup, *toppath* not set; calling launch:setup")
(launch:setup areapath: areapath))
(debug:print-info 13 *default-log-port* "Begin db:open-db")
(db:open-db dbstruct areapath: areapath)
(db:open-db dbstruct areapath: areapath do-sync: do-sync)
(debug:print-info 13 *default-log-port* "Done db:open-db")
(set! *dbstruct-db* dbstruct)
;;(debug:print-info 13 *default-log-port* "new dbstruct = "(dbr:dbstruct->alist dbstruct))
dbstruct))))
;; (else
;; (debug:print 0 *default-log-port* "ERROR: attempt to open database when not on homehost. Exiting. Homehost: " (common:get-homehost))
;; (exit 1))))
|