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(module rmtmod
*
(import scheme chicken data-structures extras)
(import (prefix sqlite3 sqlite3:) posix typed-records srfi-18)
(import commonmod)
;; Hack to make these functions visible to the refactored code, goal is to eliminate these over time.
(define (rmt:send-receive . params) #f)
(define (http-transport:close-connections . params) #f)
;; from remote defstruct in common.scm
(define (remote-conndat-set! . params) #f)
(define (remote-server-url-set! . params) #f)
(define (remote-ro-mode . params) #f)
(define (remote-ro-mode-set! . params) #f)
(define (remote-ro-mode-checked-set! . params) #f)
(define (remote-ro-mode-checked . params) #f)
(define (debug:print . params) #f)
(define (debug:print-info . params) #f)
(define (set-functions send-receive rsus
close-connections rcs
dbgp dbgpinfo
ro-mode ro-mode-set
ro-mode-checked-set ro-mode-checked
)
(set! remote-server-url-set! rsus)
(set! debug:print dbgp)
(set! debug:print-info dbgpinfo)
(set! remote-ro-mode ro-mode)
(set! remote-ro-mode-set! ro-mode-set)
(set! remote-ro-mode-checked-set! ro-mode-checked-set)
(set! remote-ro-mode-checked ro-mode-checked))
(define (rmtmod:calc-ro-mode runremote *toppath*)
(if (and runremote
(remote-ro-mode-checked runremote))
(remote-ro-mode runremote)
(let* ((dbfile (conc *toppath* "/megatest.db"))
(ro-mode (not (file-write-access? dbfile)))) ;; TODO: use dbstruct or runremote to figure this out in future
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(module rmtmod
*
(import scheme chicken data-structures extras)
(import (prefix sqlite3 sqlite3:) posix typed-records srfi-18)
(import commonmod)
;;
;; Hack to make these functions visible to the refactored code, goal is to eliminate these over time.
;;
(define (rmt:send-receive . params) #f)
(define (http-transport:close-connections . params) #f)
(define (http-transport:server-dat-update-last-access . params) #f)
(define (http-transport:client-api-send-receive . params) #f)
;; from remote defstruct in common.scm
(define (remote-conndat-set! . params) #f)
(define (remote-server-url-set! . params) #f)
(define (remote-ro-mode . params) #f)
(define (remote-ro-mode-set! . params) #f)
(define (remote-ro-mode-checked-set! . params) #f)
(define (remote-ro-mode-checked . params) #f)
(define (remote-access . params) #f)
(define (remote-conndat . params) #f)
(define (remote-transport . params) #f)
(define (debug:print . params) #f)
(define (debug:print-info . params) #f)
(define (set-functions send-receive rsus
close-connections rcs
dbgp dbgpinfo
ro-mode ro-mode-set
ro-mode-checked-set ro-mode-checked
access conndat
transport
update-last-access api-send-receive)
(set! rmt:send-receive send-receive)
(set! http-transport:close-connections close-connections)
(set! http-transport:server-dat-update-last-access update-last-access)
(set! http-transport:client-api-send-receive api-send-receive)
(set! remote-server-url-set! rsus)
(set! remote-conndat-set! rcs)
(set! remote-conndat conndat)
(set! remote-access access)
(set! remote-ro-mode ro-mode)
(set! remote-ro-mode-set! ro-mode-set)
(set! remote-ro-mode-checked-set! ro-mode-checked-set)
(set! remote-ro-mode-checked ro-mode-checked)
(set! remote-transport transport)
(set! debug:print dbgp)
(set! debug:print-info dbgpinfo)
)
(define (rmtmod:calc-ro-mode runremote *toppath*)
(if (and runremote
(remote-ro-mode-checked runremote))
(remote-ro-mode runremote)
(let* ((dbfile (conc *toppath* "/megatest.db"))
(ro-mode (not (file-write-access? dbfile)))) ;; TODO: use dbstruct or runremote to figure this out in future
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(mutex-lock! *rmt-mutex*)
(http-transport:close-connections area-dat: runremote)
(set! *runremote* #f) ;; force starting over
(mutex-unlock! *rmt-mutex*)
(thread-sleep! wait-delay)
(rmt:send-receive cmd rid params attemptnum: (+ attemptnum 1)))
res)) ;; All good, return res
)
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(mutex-lock! *rmt-mutex*)
(http-transport:close-connections area-dat: runremote)
(set! *runremote* #f) ;; force starting over
(mutex-unlock! *rmt-mutex*)
(thread-sleep! wait-delay)
(rmt:send-receive cmd rid params attemptnum: (+ attemptnum 1)))
res)) ;; All good, return res
(define (extras-case-11 *default-log-port* runremote cmd params attemptnum rid rmt-mutex)
;; (mutex-unlock! *rmt-mutex*)
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 9")
;; (mutex-lock! *rmt-mutex*)
(let* ((conninfo (remote-conndat runremote))
(dat (case (remote-transport runremote)
((http) (condition-case ;; handling here has
;; caused a lot of
;; problems. However it
;; is needed to deal with
;; attemtped
;; communication to
;; servers that have gone
;; away
(http-transport:client-api-send-receive 0 conninfo cmd params)
((commfail)(vector #f "communications fail"))
((exn)(vector #f "other fail" (print-call-chain)))))
(else
(debug:print 0 *default-log-port* "ERROR: transport " (remote-transport runremote) " not supported")
(exit))))
(success (if (vector? dat) (vector-ref dat 0) #f))
(res (if (vector? dat) (vector-ref dat 1) #f)))
(if (and (vector? conninfo) (< 5 (vector-length conninfo)))
(http-transport:server-dat-update-last-access conninfo) ;; refresh access time
(begin
(debug:print 0 *default-log-port* "INFO: Should not get here! conninfo=" conninfo)
(set! conninfo #f)
(remote-conndat-set! runremote #f) ;; NOTE: *runremote* is global copy of runremote. Purpose: factor out global.
(http-transport:close-connections area-dat: runremote)))
(debug:print-info 13 *default-log-port* "rmt:send-receive, case 9. conninfo=" conninfo " dat=" dat " runremote = " runremote)
(mutex-unlock! rmt-mutex)
(if success ;; success only tells us that the transport was
;; successful, have to examine the data to see if
;; there was a detected issue at the other end
(extras-transport-succeded *default-log-port* rmt-mutex attemptnum runremote res)
(extras-transport-failed *default-log-port* rmt-mutex attemptnum runremote cmd rid params)
)))
)
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