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(begin
(debug:print-info 0 *default-log-port* "No server found. Starting one for run-id "run-id" in dbfile "dbfname)
(server-start-proc)
(tt-last-serv-start-set! ttdat (current-seconds))))
(thread-sleep! 1)
(tt:client-connect-to-server ttdat dbfname run-id testsuite)))))))
(define (tt:ping host port server-id)
(let* ((res (tt:send-receive-direct host port `(ping #f #f #f)))) ;; please send me your server-id
;;
;; need two threads, one a 5 second timer
;;
(match res
((status errmsg result meta)
(if (equal? result server-id)
(let* ((server-state (alist-ref 'sstate meta)))
;; (debug:print 0 *default-log-port* "Ping to "host":"port" successful.")
(or server-state 'unk)) ;; then we are good
(begin
(debug:print 0 *default-log-port* "WARNING: server-id does not match, expected: "server-id", got: "result)
#f)))
(else
;; (debug:print 0 *default-log-port* "res not in form (status errmsg result meta), got: "res)
#f))))
;; client side handler
;;
;;(tt:handler #<tt> get-keys #f () 2 #f "/home/matt/data/megatest/ext-tests" #f "main.db" "ext-tests" "/home/matt/data/megatest/bin/.22.04/../megatest")
;;
(define (tt:handler ttdat cmd run-id params attemptnum area-dat areapath readonly-mode dbfname testsuite mtexe)
;; NOTE: areapath is passed in and in tt struct. We'll use passed in value for now.
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(begin
(debug:print-info 0 *default-log-port* "No server found. Starting one for run-id "run-id" in dbfile "dbfname)
(server-start-proc)
(tt-last-serv-start-set! ttdat (current-seconds))))
(thread-sleep! 1)
(tt:client-connect-to-server ttdat dbfname run-id testsuite)))))))
(define (tt:ping host port server-id #!optional (tries-left 5))
(let* ((res (tt:send-receive-direct host port `(ping #f #f #f))) ;; please send me your server-id
(try-again (lambda ()
(if (> tries-left 0)
(begin
(thread-sleep! 1)
(tt:ping host port server-id (- tries-left 1)))
#f))))
;;
;; need two threads, one a 5 second timer
;;
(match res
((status errmsg result meta)
(if (equal? result server-id)
(let* ((server-state (alist-ref 'sstate meta)))
;; (debug:print 0 *default-log-port* "Ping to "host":"port" successful.")
(or server-state 'unk)) ;; then we are good
(begin
(debug:print 0 *default-log-port* "WARNING: server-id does not match, expected: "server-id", got: "result)
#f)))
(else
;; (debug:print 0 *default-log-port* "res not in form (status errmsg result meta), got: "res)
(try-again)))))
;; client side handler
;;
;;(tt:handler #<tt> get-keys #f () 2 #f "/home/matt/data/megatest/ext-tests" #f "main.db" "ext-tests" "/home/matt/data/megatest/bin/.22.04/../megatest")
;;
(define (tt:handler ttdat cmd run-id params attemptnum area-dat areapath readonly-mode dbfname testsuite mtexe)
;; NOTE: areapath is passed in and in tt struct. We'll use passed in value for now.
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(tt:handler ttdat cmd run-id params (+ attemptnum 1) area-dat areapath readonly-mode dbfname testsuite mtexe))
((loaded)
(debug:print 0 *default-log-port* "WARNING: server for "dbfname" is loaded, will try again in a 1/4 second.")
(thread-sleep! 0.25)
(tt:handler ttdat cmd run-id params (+ attemptnum 1) area-dat areapath readonly-mode dbfname testsuite mtexe))
(else
result)))
(else
(if (not res)
(let* ((host (tt-conn-host conn))
(port (tt-conn-port conn))
;; (dbfname (tt-conn-port conn)) ;; 192.168.0.127:4242-726924:4.db
(pid (tt-conn-pid conn))
(servinf (conc areapath"/.servinfo/"host":"port"-"pid":"dbfname)))
(hash-table-set! (tt-conns ttdat) dbfname #f)
(if (file-exists? servinf)
(begin
(debug:print 0 *default-log-port* "INFO: no ping response from server "host":"port" for "dbfname)
(if (and (file-exists? servinf)
(> (- (current-seconds)(file-modification-time servinf)) 60))
(begin
(debug:print 0 *default-log-port* "INFO: "servinf" file seems old and no ping response, removing it.")
(handle-exceptions
exn
#f
(delete-file* servinf)))))
(debug:print 0 *default-log-port* "INFO: connection to server "host":"port" broken for "dbfname", but do not see servinf file "servinf))
(tt:handler ttdat cmd run-id params (+ attemptnum 1) area-dat areapath readonly-mode dbfname testsuite mtexe))
(assert #f "FATAL: tt:handler received bad data "res)))))
(begin
(thread-sleep! 1) ;; give it a rest and try again
(tt:handler ttdat cmd run-id params attemptnum area-dat areapath readonly-mode dbfname testsuite mtexe)))))
(define (tt:bid-for-servership run-id)
#f)
;; gets server info and appends path to server file
;; sorts by age, oldest first
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(tt:handler ttdat cmd run-id params (+ attemptnum 1) area-dat areapath readonly-mode dbfname testsuite mtexe))
((loaded)
(debug:print 0 *default-log-port* "WARNING: server for "dbfname" is loaded, will try again in a 1/4 second.")
(thread-sleep! 0.25)
(tt:handler ttdat cmd run-id params (+ attemptnum 1) area-dat areapath readonly-mode dbfname testsuite mtexe))
(else
result)))
(else ;; did not receive properly formated result
(if (not res) ;; tt:handler is telling us that communication failed
(let* ((host (tt-conn-host conn))
(port (tt-conn-port conn))
;; (dbfname (tt-conn-port conn)) ;; 192.168.0.127:4242-726924:4.db
(pid (tt-conn-pid conn))
(servinf (conc areapath"/.servinfo/"host":"port"-"pid":"dbfname)))
(hash-table-set! (tt-conns ttdat) dbfname #f)
(if (file-exists? servinf)
(begin
(if (< attemptnum 5)
(begin
(thread-sleep! 1)
(tt:handler ttdat cmd run-id params (+ attemptnum 1) area-dat areapath readonly-mode dbfname testsuite mtexe))
(begin
(debug:print 0 *default-log-port* "INFO: no response from server "host":"port" for "dbfname)
(if (and (file-exists? servinf)
(> (- (current-seconds)(file-modification-time servinf)) 60))
(begin
(debug:print 0 *default-log-port* "INFO: "servinf" file seems old and no ping response, removing it.")
(handle-exceptions
exn
#f
(delete-file* servinf))
(tt:handler ttdat cmd run-id params (+ attemptnum 1) area-dat areapath readonly-mode dbfname testsuite mtexe))))))
(begin ;; no server file, delay and try again
(debug:print 0 *default-log-port* "INFO: connection to server "host":"port" broken for "dbfname", but do not see servinf file "servinf)
(thread-sleep! 1)
(tt:handler ttdat cmd run-id params (+ attemptnum 1) area-dat areapath readonly-mode dbfname testsuite mtexe))))
(begin ;; this case is where res is malformed. Probably should abort
(assert #f "FATAL: tt:handler received bad data "res)
;; (debug:print 0 *default-log-port* "INFO: got corrupt data from server "host":"port", "res", for "dbfname", will try again.")
;; (tt:handler ttdat cmd run-id params (+ attemptnum 1) area-dat areapath readonly-mode dbfname testsuite mtexe)
)))))
(begin
(thread-sleep! 1) ;; no conn yet set up, give it a rest and try again
(tt:handler ttdat cmd run-id params attemptnum area-dat areapath readonly-mode dbfname testsuite mtexe)))))
(define (tt:bid-for-servership run-id)
#f)
;; gets server info and appends path to server file
;; sorts by age, oldest first
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