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(declare (uses mt))
(include "common_records.scm")
(include "db_records.scm")
(include "key_records.scm")
(include "run_records.scm")
(define *rundb-mutex* (make-mutex)) ;; prevent problems opening/closing rundb's
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(declare (uses mt))
(include "common_records.scm")
(include "db_records.scm")
(include "key_records.scm")
(include "run_records.scm")
(define *number-of-writes* 0)
(define *number-non-write-queries* 0)
;;======================================================================
;; R E C O R D S
;;======================================================================
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dbdat))
(define (db:dbdat-get-path dbdat)
(if (pair? dbdat)
(cdr dbdat)
#f))
;; mod-read:
;; 'mod modified data
;; 'read read data
;; Locks the mutex and depending on 'mod or 'read passed, sets the last timestamp in dbstruct
;;
;; (define (db:done-with dbstruct run-id mod-read)
;; (if (not (sqlite3:database? dbstruct))
;; (begin
;; (mutex-lock! *rundb-mutex*)
;; (if (eq? mod-read 'mod)
;; (dbr:dbstruct-mtime-set! dbstruct (current-milliseconds))
;; (dbr:dbstruct-rtime-set! dbstruct (current-milliseconds)))
;; (dbr:dbstruct-inuse-set! dbstruct #f)
;; (mutex-unlock! *rundb-mutex*))))
(print-call-chain (current-error-port))
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dbdat))
(define (db:dbdat-get-path dbdat)
(if (pair? dbdat)
(cdr dbdat)
#f))
(define-inline (db:generic-error-printout exn . message)
(print-call-chain (current-error-port))
(apply debug:print-error 0 *default-log-port* message)
(debug:print-error 0 *default-log-port* " params: " params
", error: " ((condition-property-accessor 'exn 'message) exn)
", arguments: " ((condition-property-accessor 'exn 'arguments) exn)
", location: " ((condition-property-accessor 'exn 'location) exn)
))
;; (db:with-db dbstruct run-id sqlite3:exec "select blah fgrom blaz;")
;; r/w is a flag to indicate if the db is modified by this query #t = yes, #f = no
;;
(define (db:with-db dbstruct run-id r/w proc . params)
(let* ((have-struct (dbr:dbstruct? dbstruct))
(dbdat (if have-struct
(db:get-db dbstruct)
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(set! *db-write-access* #f)
(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*)
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(set! *db-write-access* #f)
(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)
(if (and (or (not dbfexists)
(and modtimedelta
(> modtimedelta max-stale-tmp))) ;; if db in tmp is over ten seconds older than the file in MTRA then do a sync back
do-sync)
(begin
(debug:print 1 *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)
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