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(debug:print 0 *default-log-port* "Server is loaded, delaying "delay-wait" seconds")
(thread-sleep! delay-wait)))))
(case status
((busy) ;; result will be how long the server wants you to delay
(let* ((dly (if (number? result) result 0.1)))
(debug:print 0 *default-log-port* "WARNING: server for "dbfname" is busy, will try again in "dly" seconds.")
(thread-sleep! dly)
(tt:handler ttdat cmd run-id params (+ attemptnum 1) readonly-mode dbfname testsuite mtexe)))
((loaded)
(debug:print 0 *default-log-port* "WARNING: server for "dbfname" is loaded, slowing queries.")
(tt:backoff-incr (tt-conn-host conn)(tt-conn-port conn))
result) ;; (tt:handler ttdat cmd run-id params (+ attemptnum 1) readonly-mode dbfname testsuite mtexe))
(else
result)))
(else ;; did not receive properly formated result
(if (not res) ;; tt:send-receive 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 (tt-conn-servinf-file conn)))
(servinf (tt-servinf-file ttdat))) ;; (conc areapath"/.servinfo/"host":"port"-"pid":"dbfname))) ;; TODO, use (server:get-servinfo-dir areapath)
(hash-table-set! (tt-conns ttdat) dbfname #f) ;; clear out the conn for this dbfname to force finding new server
(if (and servinf (file-exists? servinf))
(begin
(if (< attemptnum 10)
(begin
(thread-sleep! 0.5)
(tt:handler ttdat cmd run-id params (+ attemptnum 1) 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) readonly-mode dbfname testsuite mtexe))
(begin
;; start server - addressed in client-connect-to-server
;; delay - addressed in client-connect-to-server
;; try again
(thread-sleep! 0.25) ;; dunno, I think this needs to be here
(tt:handler ttdat cmd run-id params (+ attemptnum 1) readonly-mode dbfname testsuite mtexe))
))))
(begin ;; no server file, delay and try again
(debug:print 2 *default-log-port* "INFO: connection to server "host":"port" broken for "dbfname", no servinf file. Server exited? ")
(thread-sleep! 0.5)
(tt:handler ttdat cmd run-id params (+ attemptnum 1) 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) 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 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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(debug:print 0 *default-log-port* "Server is loaded, delaying "delay-wait" seconds")
(thread-sleep! delay-wait)))))
(case status
((busy) ;; result will be how long the server wants you to delay
(let* ((dly (if (number? result) result 0.1)))
(debug:print 0 *default-log-port* "WARNING: server for "dbfname" is busy, will try again in "dly" seconds.")
(thread-sleep! dly)
(tt:handler ttdat cmd run-id params (+ attemptnum 1) readonly-mode dbfname testsuite mtexe server-start-proc)))
((loaded)
(debug:print 0 *default-log-port* "WARNING: server for "dbfname" is loaded, slowing queries.")
(tt:backoff-incr (tt-conn-host conn)(tt-conn-port conn))
result) ;; (tt:handler ttdat cmd run-id params (+ attemptnum 1) readonly-mode dbfname testsuite mtexe))
(else
result)))
(else ;; did not receive properly formated result
(if (not res) ;; tt:send-receive 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 (tt-conn-servinf-file conn)))
(servinf (tt-servinf-file ttdat))) ;; (conc areapath"/.servinfo/"host":"port"-"pid":"dbfname))) ;; TODO, use (server:get-servinfo-dir areapath)
(hash-table-set! (tt-conns ttdat) dbfname #f) ;; clear out the conn for this dbfname to force finding new server
(if (and servinf (file-exists? servinf))
(begin
(if (< attemptnum 10)
(begin
(thread-sleep! 0.5)
(tt:handler ttdat cmd run-id params (+ attemptnum 1) readonly-mode dbfname testsuite mtexe server-start-proc))
(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) readonly-mode dbfname testsuite mtexe server-start-proc))
(begin
;; start server - addressed in client-connect-to-server
;; delay - addressed in client-connect-to-server
;; try again
(thread-sleep! 0.25) ;; dunno, I think this needs to be here
(tt:handler ttdat cmd run-id params (+ attemptnum 1) readonly-mode dbfname testsuite mtexe server-start-proc))
))))
(begin ;; no server file, delay and try again
(debug:print 2 *default-log-port* "INFO: connection to server "host":"port" broken for "dbfname", no servinf file. Server exited? ")
(thread-sleep! 0.5)
(tt:handler ttdat cmd run-id params (+ attemptnum 1) readonly-mode dbfname testsuite mtexe server-start-proc))))
(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) 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 readonly-mode dbfname testsuite mtexe server-start-proc)))))
(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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(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 10) ;; can't trust it if over ten seconds old
(begin
(debug:print 0 *default-log-port* "WARNING: removing 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
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(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 20) ;; can't trust it if over twenty seconds old
(begin
(debug:print 0 *default-log-port* "WARNING: removing stale servinfo file "fname)
(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
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