714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
|
(goodfiles '()))
;; filter the files here by looking in processes table (if we are not main.db)
;; and or look at the time stamp on the servinfo file, a running server will
;; touch the file every minute (again, this will only apply for main.db)
(for-each (lambda (fname)
(let* ((age (- (current-seconds)(file-modification-time fname))))
(if (> age 200) ;; can't trust it if over 200 seconds old
(begin
(debug:print 0 *default-log-port* "WARNING: removing stale servinfo file "fname", it is "age" seconds old")
(handle-exceptions
exn
(debug:print 0 *default-log-port* "WARNING: error attempting to remove stale servinfo file "fname)
(delete-file fname))) ;;
(set! goodfiles (cons fname goodfiles)))))
sfiles)
goodfiles))
;; given a path to a server info file return: host port startseconds server-id pid dbfname logf
;; example of what it's looking for in the log file:
;; SERVER STARTED: 10.38.175.67:50216 AT 1616502350.0 server-id: 4907e90fc55c7a09694e3f658c639cf4
;;
(define (tt:server-get-info logf)
(let ((server-rx (regexp "^SERVER STARTED: (\\S+):(\\d+) AT ([\\d\\.]+) server-id: (\\S+) pid: (\\d+) dbfname: (\\S+)")) ;; SERVER STARTED: host:port AT timesecs server id
(dbprep-rx (regexp "^SERVER: dbprep"))
(dbprep-found 0)
(let ((mlst (string-match server-rx inl))
(dbprep (string-match dbprep-rx inl)))
(if dbprep (set! dbprep-found 1))
(if (not mlst)
(if (> lnum 500) ;; give up if more than 500 lines of server log read
bad-dat
(if (null? tail)
bad-dat
(loop (car tail)(cdr tail)(+ lnum 1))))
(match mlst ;; have a not null list
|
|
|
<
<
|
<
<
|
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
|
(goodfiles '()))
;; filter the files here by looking in processes table (if we are not main.db)
;; and or look at the time stamp on the servinfo file, a running server will
;; touch the file every minute (again, this will only apply for main.db)
(for-each (lambda (fname)
(let* ((age (- (current-seconds)(file-modification-time fname))))
(if (> age (tt-server-timeout-param)) ;; can't trust it if over server timeout old.
(begin
(debug:print 0 *default-log-port* "WARNING: removing stale servinfo file "fname", it is "age" seconds old")
(handle-exceptions
exn
(debug:print 0 *default-log-port* "WARNING: error attempting to remove stale servinfo file "fname)
(delete-file fname))) ;;
(set! goodfiles (cons fname goodfiles)))))
sfiles)
goodfiles))
;; given a path to a server info file return: host port startseconds server-id pid dbfname logf
;; example of what it's looking for in the file:
;; SERVER STARTED: 10.38.175.67:50216 AT 1616502350.0 server-id: 4907e90fc55c7a09694e3f658c639cf4
;;
(define (tt:server-get-info logf)
(let ((server-rx (regexp "^SERVER STARTED: (\\S+):(\\d+) AT ([\\d\\.]+) server-id: (\\S+) pid: (\\d+) dbfname: (\\S+)")) ;; SERVER STARTED: host:port AT timesecs server id
(bad-dat (list #f #f #f #f #f #f logf)))
(let ((fdat (handle-exceptions
exn
(begin
;; BUG, TODO: add err checking, for now blanket ignore the errors?
(debug:print-info 0 *default-log-port* "Unable to get server info from "logf
", exn="(condition->list exn))
'()) ;; no idea what went wrong, call it a bad server, return empty list
(with-input-from-file logf read-lines))))
(if (null? fdat) ;; bad data, return bad-dat
bad-dat
(let loop ((inl (car fdat))
(tail (cdr fdat))
(lnum 0))
(let ((mlst (string-match server-rx inl)))
(if (not mlst)
(if (> lnum 500) ;; give up if more than 500 lines of server log read
bad-dat
(if (null? tail)
bad-dat
(loop (car tail)(cdr tail)(+ lnum 1))))
(match mlst ;; have a not null list
|