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;;
(define (common:readonly-watchdog dbstruct)
(thread-sleep! 0.05) ;; delay for startup
(BB> "common:readonly-watchdog entered.")
;; sync megatest.db to /tmp/.../megatst.db
(let ((sync-cool-off-duration 3)
(let* ((sync-cool-off-duration 3)
(golden-mtdb (dbr:dbstruct-mtdb dbstruct))
(golden-mtpath (db:dbdat-get-path mtdb))
(golden-mtpath (db:dbdat-get-path golden-mtdb))
(tmp-mtdb (dbr:dbstruct-tmpdb dbstruct))
(tmp-mtpath (db:dbdat-get-path mtdb)))
(tmp-mtpath (db:dbdat-get-path tmp-mtdb)))
(debug:print-info 0 *default-log-port* "Read-only periodic sync thread started.")
(let loop ((last-sync-time 0))
(BB> "loop top tmp-mtpath="tmp-mtpath" golden-mtpath="golden-mtpath)
(let* ((duration-since-last-sync (- (current-seconds) last-sync-time)))
(BB> "duration-since-last-sync="duration-since-last-sync)
(if (and (not *time-to-exit*)
(< duration-since-last-sync sync-cool-off-duration))
(thread-sleep! (- sync-cool-off-duration duration-since-last-sync)))
(if (not *time-to-exit*)
(let ((golden-mtdb-mtime (file-modification-time golden-mtpath))
(tmp-mtdb-mtime (file-modification-time tmp-mtpath)))
(if (> golden-mtdb-mtime tmp-mtdb-mtime)
(let ((res (db:multi-db-sync dbstruct 'old2new)))
(debug:print-info 0 *default-log-port* "rosync called, " res " records transferred."))
(loop (current-seconds)))
#t))))
(debug:print-info 0 *default-log-port* "rosync called, " res " records transferred.")))
(loop (current-seconds)))
#t)))
(debug:print-info 0 *default-log-port* "Exiting readonly-watchdog timer, *time-to-exit* = " *time-to-exit*" pid="(current-process-id)" mtpath="golden-mtpath)))
(define (common:writable-watchdog dbstruct)
(thread-sleep! 0.05) ;; delay for startup
(let ((legacy-sync (common:run-sync?))
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;;#t)
(BB> "common:watchdog entered.")
(let ((dbstruct (db:setup)))
(cond
((dbr:dbstruct-read-only dbstruct)
(BB> "loading read-only watchdog")
common:readonly-watchdog dbstruct)
(common:readonly-watchdog dbstruct))
(else
(BB> "loading writable-watchdog.")
(common:writable-watchdog dbstruct))))
(BB> "watchdog done.");;)
)
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