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;; return the handle struct for sending queries to a specific database
;; - initializes the connection object if this is the first access
;; - finds the "captain" and asks who to talk to for the given dbfname
;; - establishes the connection to the current dbowner
;;
(define (rmt:connect alldat dbfname)
(let* ((ulexdat (let ((uconn (alldat-ulexdat alldat)))
(if uconn
uconn
(let* ((new-ulexdat (ulex:setup))) ;; establish connection to ulex
(alldat-ulexdat-set! alldat new-ulexdat)
(rmt:setup-ulex alldat)
new-ulexdat)))))
(ulex:connect ulexdat dbfname)))
(dbfname (if (or (not rid)(< rid 1)) ;; this is the criteria for "main.db"
"main.db"
(conc rid ".db")))
(dbfile (conc areapath "/.db/" dbfname))
(ulexconn (rmt:connect alldat dbfname)))
(rmt:open-qry-close-locally cmd 0 params)))
;; setup the remote calls
(define (rmt:setup-ulex alldat)
(let ((udata (alldat-ulexdat alldat)))
(ulex:register-handler udata 'ping common:get-full-version)
))
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;; return the handle struct for sending queries to a specific database
;; - initializes the connection object if this is the first access
;; - finds the "captain" and asks who to talk to for the given dbfname
;; - establishes the connection to the current dbowner
;;
(define (rmt:connect alldat dbfname)
(let* ((ulexdat (or (alldat-ulexdat alldat)
(rmt:setup-ulex alldat))))
(ulex:connect ulexdat dbfname)))
;; setup the remote calls
(define (rmt:setup-ulex alldat)
(let* ((new-ulexdat (ulex:setup))) ;; establish connection to ulex
(alldat-ulexdat-set! alldat new-ulexdat)
(let ((udata (alldat-ulexdat alldat)))
;; register all needed procs
(ulex:register-handler udata 'ping common:get-full-version)
(ulex:register-handler udata 'login common:get-full-version) ;; force setup of the connection
new-ulexdat)))
;; set up a connection to the current owner of the dbfile associated with rid
;; then send the query to that dbfile owner and wait for a response.
;;
(define (rmt:send-receive cmd rid params #!key (attemptnum 1)(area-dat #f)) ;; start attemptnum at 1 so the modulo below works as expected
(let* ((alldat *alldat*)
(areapath (alldat-areapath alldat))
(dbtype (if (or (not rid)(< rid 1)) ;; this is the criteria for "main.db"
'main 'runs))
(dbfname (if (eq? dbtype 'main)
"main.db"
(conc rid ".db")))
(dbfile (conc areapath "/.db/" dbfname))
(ulexconn (rmt:connect alldat dbfname dbtype)))
(rmt:open-qry-close-locally cmd 0 params)))
;;
;; ;; #;(common:telemetry-log (conc "rmt:"(->string cmd))
;; ;; #;(define (rmt:send-receive cmd rid params #!key (attemptnum 1)(area-dat #f)) ;; start attemptnum at 1 so the modulo below works as expected
;; ;;
;; ;; #;(common:telemetry-log (conc "rmt:"(->string cmd))
;; ;; payload: `((rid . ,rid)
;; ;; (params . ,params)))
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