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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"))
(avail (tasks:wait-on-journal fname 10))) ;; wait up to about 10 seconds for the journal to go away
(handle-exceptions
exn
(begin
;; (release-dot-lock fname)
(debug:print-error 0 *default-log-port* "portlogger:open-run-close failed. " proc " " params)
(debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
(debug:print 0 *default-log-port* "exn=" (condition->list exn))
(if (file-exists? fname)(delete-file fname)) ;; brutally get rid of it
(print-call-chain (current-error-port)))
;;(handle-exceptions
;; exn
;; (begin
;; ;; (release-dot-lock fname)
;; (debug:print-error 0 *default-log-port* "portlogger:open-run-close failed. " proc " " params)
;; (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
;; (debug:print 0 *default-log-port* "exn=" (condition->list exn))
;; (if (file-exists? fname)
;; (begin
;; (debug:print 0 *default-log-port* "Removing portlogger database file " fname)
;; (delete-file fname))) ;; just get rid of the portlogger file
;; (print-call-chain (current-error-port)))
(let* (;; (lock (obtain-dot-lock fname 2 9 10))
(db (portlogger:open-db fname))
(res (apply proc db params)))
(sqlite3:finalize! db)
;; (release-dot-lock fname)
res))))
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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(sqlite3:finalize! qry1)
(sqlite3:finalize! qry2)
(sqlite3:finalize! qry3)
res))
(define (portlogger:get-prev-used-port db)
(handle-exceptions
exn
(begin
(debug:print 0 *default-log-port* "EXCEPTION: portlogger database probably overloaded or unreadable. If you see this message again remove /tmp/.$USER-portlogger.db")
(debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
(debug:print 0 *default-log-port* "exn=" (condition->list exn))
(print-call-chain (current-error-port))
(debug:print 0 *default-log-port* "Continuing anyway.")
#f)
(sqlite3:fold-row
(lambda (var curr)
(or curr var curr))
#f
db
"SELECT (port) FROM ports WHERE state='released' LIMIT 1;")))
exn
(begin
(debug:print 0 *default-log-port* "EXCEPTION: portlogger database probably overloaded or unreadable. If you see this message again remove /tmp/.$USER-portlogger.db")
(debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
(debug:print 0 *default-log-port* "exn=" (condition->list exn))
(print-call-chain (current-error-port))
(debug:print 0 *default-log-port* "Continuing anyway.")
#f)
(sqlite3:fold-row
(lambda (var curr)
(or curr var curr))
#f
db
"SELECT (port) FROM ports WHERE state='released' LIMIT 1;")))
(define (portlogger:find-port db)
(let* ((lowport (let ((val (configf:lookup *configdat* "server" "lowport")))
(if (and val
(string->number val))
(string->number val)
32768)))
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