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(define (dbmod:get-dbdir dbstruct run-id)
(let* ((areapath (dbr:dbstruct-areapath dbstruct)))
(conc areapath"/.megatest")))
(define (dbmod:run-id->full-dbfname dbstruct run-id)
(conc (dbmod:get-dbdir dbstruct run-id)"/"(dbmod:run-id->dbfname run-id)))
;;======================================================================
;; The inmem one-db file per server method goes in here
;;======================================================================
(define (dbmod:with-db dbstruct run-id r/w proc params)
(let* ((dbdat (dbmod:open-db dbstruct run-id (dbfile:db-init-proc)))
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(define (dbmod:get-dbdir dbstruct run-id)
(let* ((areapath (dbr:dbstruct-areapath dbstruct)))
(conc areapath"/.megatest")))
(define (dbmod:run-id->full-dbfname dbstruct run-id)
(conc (dbmod:get-dbdir dbstruct run-id)"/"(dbmod:run-id->dbfname run-id)))
;;======================================================================
;; Read-only inmem cached direct from disk method
;;======================================================================
(define *dbmod:nfs-db-handles* (make-hash-table)) ;; dbfname -> dbstruct
(define (dbmod:nfs-get-dbstruct run-id keys init-proc areapath)
(let* ((dbfname (dbmod:run-id->dbfname run-id))
(dbstruct (hash-table-ref/default *dbmod:nfs-db-handles* dbfname #f)))
(if dbstruct
(let* ((last-update (dbr:dbstruct-last-update dbstruct))
(curr-secs (current-seconds)))
(if (> (- curr-secs last-update) 2)
(begin
((dbr:dbstruct-sync-proc dbstruct) last-update)
(dbr:dbstruct-last-update-set! dbstruct curr-secs)))
dbstruct)
(let* ((newdbstruct (dbmod:open-dbmoddb areapath run-id init-proc keys syncdir: 'fromdisk)))
(hash-table-set! *dbmod:nfs-db-handles* dbfname newdbstruct)
newdbstruct))))
;;======================================================================
;; The inmem one-db file per server method goes in here
;;======================================================================
(define (dbmod:with-db dbstruct run-id r/w proc params)
(let* ((dbdat (dbmod:open-db dbstruct run-id (dbfile:db-init-proc)))
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;;
;; Updates fields in dbstruct
;; Returns dbstruct
;;
;; * This routine creates the db if not found
;; * Probably can get rid of the dbstruct-in
;;
(define (dbmod:open-dbmoddb areapath run-id init-proc keys #!key (dbstruct-in #f)) ;; (conc *toppath* "/megatest.db") (car *configinfo*)))
(let* ((dbstruct (or dbstruct-in (make-dbr:dbstruct areapath: areapath)))
(dbfname (dbmod:run-id->dbfname run-id))
(dbpath (dbmod:get-dbdir dbstruct run-id)) ;; directory where all the .db files are kept
(dbfullname (dbmod:run-id->full-dbfname dbstruct run-id))
(dbexists (file-exists? dbfullname))
(inmem (dbmod:open-inmem-db init-proc))
(write-access (file-write-access? dbpath))
(db (dbfile:with-simple-file-lock
(conc dbfullname".lock")
(lambda ()
(let* ((db (sqlite3:open-database dbfullname))
(handler (sqlite3:make-busy-timeout 136000)))
(sqlite3:set-busy-handler! db handler)
(if write-access
(init-proc db))
db))))
(tables (db:sync-all-tables-list keys)))
(dbr:dbstruct-inmem-set! dbstruct inmem)
(dbr:dbstruct-ondiskdb-set! dbstruct db)
(dbr:dbstruct-dbfile-set! dbstruct dbfullname)
(dbr:dbstruct-syncback-proc-set! dbstruct (lambda (last-update)
(dbmod:sync-tables tables last-update inmem db)))
(dbmod:sync-tables tables #f db inmem)
(dbr:dbstruct-last-update-set! dbstruct (current-seconds)) ;; should this be offset back in time by one second?
dbstruct))
(define (dbmod:close-db dbstruct)
;; do final sync to disk file
;; (do-sync ...)
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;;
;; Updates fields in dbstruct
;; Returns dbstruct
;;
;; * This routine creates the db if not found
;; * Probably can get rid of the dbstruct-in
;;
(define (dbmod:open-dbmoddb areapath run-id init-proc keys
#!key (dbstruct-in #f)
(syncdir 'todisk))
(let* ((dbstruct (or dbstruct-in (make-dbr:dbstruct areapath: areapath)))
(dbfname (dbmod:run-id->dbfname run-id))
(dbpath (dbmod:get-dbdir dbstruct run-id)) ;; directory where all the .db files are kept
(dbfullname (dbmod:run-id->full-dbfname dbstruct run-id))
(dbexists (file-exists? dbfullname))
(inmem (dbmod:open-inmem-db init-proc))
(write-access (file-write-access? dbpath))
(db (dbfile:with-simple-file-lock
(conc dbfullname".lock")
(lambda ()
(let* ((db (sqlite3:open-database dbfullname))
(handler (sqlite3:make-busy-timeout 136000)))
(sqlite3:set-busy-handler! db handler)
(if write-access
(init-proc db))
db))))
(tables (db:sync-all-tables-list keys)))
(dbr:dbstruct-inmem-set! dbstruct inmem)
(dbr:dbstruct-ondiskdb-set! dbstruct db)
(dbr:dbstruct-dbfile-set! dbstruct dbfullname)
(dbr:dbstruct-sync-proc-set! dbstruct
(lambda (last-update)
(if (eq? syncdir 'todisk) ;; sync to disk normally, sync from in dashboard
(dbmod:sync-tables tables last-update inmem db)
(dbmod:sync-tables tables last-update db inmem))))
(dbmod:sync-tables tables #f db inmem)
(dbr:dbstruct-last-update-set! dbstruct (current-seconds)) ;; should this be offset back in time by one second?
dbstruct))
(define (dbmod:close-db dbstruct)
;; do final sync to disk file
;; (do-sync ...)
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