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port INTEGER PRIMARY KEY,
state TEXT DEFAULT 'not-used',
fail_count INTEGER DEFAULT 0,
update_time TIMESTAMP DEFAULT (strftime('%s','now')) );"))
db))
(define (portlogger:open-run-close proc . params)
(handle-exceptions
exn
(begin
(debug:print 0 "ERROR: portlogger:open-run-close failed. " proc " " params)
(debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn))
(debug:print 0 "exn=" (condition->list exn))
(print-call-chain))
(let* ((fname (conc "/tmp/." (current-user-name) "-portlogger.db"))
(lock (obtain-dot-lock fname 1 5 10))
(db (portlogger:open-db fname))
(res (apply proc db params)))
(sqlite3:finalize! db)
(release-dot-lock fname)
res)))
;; (fold-row PROC INIT DATABASE SQL . PARAMETERS)
(define (portlogger:take-port db portnum)
(let* ((qry1 (sqlite3:prepare db "INSERT INTO ports (port,state) VALUES (?,?);"))
(qry2 (sqlite3:prepare db "UPDATE ports SET state=?,update_time=strftime('%s','now') WHERE port=?;"))
(qry3 (sqlite3:prepare db "SELECT state FROM ports WHERE port=?;"))
(res (sqlite3:with-transaction
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port INTEGER PRIMARY KEY,
state TEXT DEFAULT 'not-used',
fail_count INTEGER DEFAULT 0,
update_time TIMESTAMP DEFAULT (strftime('%s','now')) );"))
db))
(define (portlogger:open-run-close proc . params)
(let ((fname (conc "/tmp/." (current-user-name) "-portlogger.db")))
(handle-exceptions
exn
(begin
(release-dot-lock fname)
(debug:print 0 "ERROR: portlogger:open-run-close failed. " proc " " params)
(debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn))
(debug:print 0 "exn=" (condition->list exn))
(print-call-chain))
(let* ((lock (obtain-dot-lock fname 1 5 10))
(db (portlogger:open-db fname))
(res (apply proc db params)))
(sqlite3:finalize! db)
(release-dot-lock fname)
res))))
;; (fold-row PROC INIT DATABASE SQL . PARAMETERS)
(define (portlogger:take-port db portnum)
(let* ((qry1 (sqlite3:prepare db "INSERT INTO ports (port,state) VALUES (?,?);"))
(qry2 (sqlite3:prepare db "UPDATE ports SET state=?,update_time=strftime('%s','now') WHERE port=?;"))
(qry3 (sqlite3:prepare db "SELECT state FROM ports WHERE port=?;"))
(res (sqlite3:with-transaction
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