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(declare (unit commonmod))
(declare (uses configfmod))
(module commonmod
*
(import scheme chicken data-structures extras)
(import (prefix sqlite3 sqlite3:) posix typed-records srfi-18 srfi-69 ports
srfi-1 files format srfi-13 matchable)
(import configfmod)
(include "common_records.scm")
(define (db:dbdat-get-path dbdat)
(if (pair? dbdat)
(cdr dbdat)
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(declare (unit commonmod))
(declare (uses configfmod))
(module commonmod
*
(import scheme chicken data-structures extras)
(import (prefix sqlite3 sqlite3:) posix typed-records srfi-18
srfi-69 ports srfi-1 files format srfi-13 matchable
regex-case regex)
(import configfmod)
(include "common_records.scm")
(define (db:dbdat-get-path dbdat)
(if (pair? dbdat)
(cdr dbdat)
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(define (common:iup-color->rgb-hex instr)
(string-intersperse
(map (lambda (x)
(number->string x 16))
(map string->number
(string-split instr)))
"/"))
;; (define (debug:print . params) #f)
;; (define (debug:print-info . params) #f)
;;
;; (define (set-functions dbgp dbgpinfo)
;; (set! debug:print dbgp)
;; (set! debug:print-info dbgpinfo))
)
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(define (common:iup-color->rgb-hex instr)
(string-intersperse
(map (lambda (x)
(number->string x 16))
(map string->number
(string-split instr)))
"/"))
;; dot-locking egg seems not to work, using this for now
;; if lock is older than expire-time then remove it and try again
;; to get the lock
;;
(define (common:simple-file-lock fname #!key (expire-time 300))
(if (file-exists? fname)
(if (> (- (current-seconds)(file-modification-time fname)) expire-time)
(begin
(handle-exceptions exn #f (delete-file* fname))
(common:simple-file-lock fname expire-time: expire-time))
#f)
(let ((key-string (conc (get-host-name) "-" (current-process-id))))
(with-output-to-file fname
(lambda ()
(print key-string)))
(thread-sleep! 0.25)
(if (file-exists? fname)
(handle-exceptions exn
#f
(with-input-from-file fname
(lambda ()
(equal? key-string (read-line)))))
#f))))
(define (common:simple-file-lock-and-wait fname #!key (expire-time 300))
(let ((end-time (+ expire-time (current-seconds))))
(let loop ((got-lock (common:simple-file-lock fname expire-time: expire-time)))
(if got-lock
#t
(if (> end-time (current-seconds))
(begin
(thread-sleep! 3)
(loop (common:simple-file-lock fname expire-time: expire-time)))
#f)))))
(define (common:simple-file-release-lock fname)
(handle-exceptions
exn
#f ;; I don't really care why this failed (at least for now)
(delete-file* fname)))
;; lazy-safe get file mod time. on any error (file not existing etc.) return 0
;;
(define (common:lazy-modification-time fpath)
(handle-exceptions
exn
0
(file-modification-time fpath)))
;; find timestamp of newest file associated with a sqlite db file
(define (common:lazy-sqlite-db-modification-time fpath)
(let* ((glob-list (handle-exceptions
exn
`(,(conc "/no/such/file, message: " ((condition-property-accessor 'exn 'message) exn)))
(glob (conc fpath "*"))))
(file-list (if (eq? 0 (length glob-list))
'("/no/such/file")
glob-list)))
(apply max
(map
common:lazy-modification-time
file-list))))
;; (define (debug:print . params) #f)
;; (define (debug:print-info . params) #f)
;;
;; (define (set-functions dbgp dbgpinfo)
;; (set! debug:print dbgp)
;; (set! debug:print-info dbgpinfo))
)
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