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(define (tasks:server-delete-records-for-this-pid mdb tag)
(sqlite3:execute mdb "UPDATE servers SET state=?,heartbeat=strftime('%s','now') WHERE hostname=? AND pid=?;"
(conc "defunct" tag) (get-host-name) (current-process-id)))
(define (tasks:server-delete-record mdb server-id tag)
(sqlite3:execute mdb "UPDATE servers SET state=?,heartbeat=strftime('%s','now') WHERE id=?;"
(conc "defunct" tag) server-id)
;; use this opportuntity to clean out records over one month old
(sqlite3:execute mdb "DELETE FROM servers WHERE state not in ('running','shutting-down') AND (strftime('%s','now') - start_time) > 2628000;"))
(define (tasks:server-set-state! mdb server-id state)
(sqlite3:execute mdb "UPDATE servers SET state=?,heartbeat=strftime('%s','now') WHERE id=?;" state server-id))
(define (tasks:server-set-interface-port mdb server-id interface port)
(sqlite3:execute mdb "UPDATE servers SET interface=?,port=?,heartbeat=strftime('%s','now') WHERE id=?;" interface port server-id))
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(define (tasks:server-delete-records-for-this-pid mdb tag)
(sqlite3:execute mdb "UPDATE servers SET state=?,heartbeat=strftime('%s','now') WHERE hostname=? AND pid=?;"
(conc "defunct" tag) (get-host-name) (current-process-id)))
(define (tasks:server-delete-record mdb server-id tag)
(sqlite3:execute mdb "UPDATE servers SET state=?,heartbeat=strftime('%s','now') WHERE id=?;"
(conc "defunct" tag) server-id)
;; use this opportuntity to clean out records over one month old or over 10 minutes old with port = -1 (i.e. a never used placeholder)
(sqlite3:execute mdb "DELETE FROM servers WHERE state not in ('running','shutting-down') AND (strftime('%s','now') - start_time) > 2628000;")
(sqlite3:execute mdb "DELETE FROM servers WHERE state like 'defunct%' AND port=-1 AND (strftime('%s','now') - start_time) > 600;")
)
(define (tasks:server-set-state! mdb server-id state)
(sqlite3:execute mdb "UPDATE servers SET state=?,heartbeat=strftime('%s','now') WHERE id=?;" state server-id))
(define (tasks:server-set-interface-port mdb server-id interface port)
(sqlite3:execute mdb "UPDATE servers SET interface=?,port=?,heartbeat=strftime('%s','now') WHERE id=?;" interface port server-id))
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