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;;======================================================================
;; Copyright 2006-2013, Matthew Welland.
;;
;; This program is made available under the GNU GPL version 2.0 or
;; greater. See the accompanying file COPYING for details.
;;
;; This program is distributed WITHOUT ANY WARRANTY; without even the
;; implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;; PURPOSE.
;;======================================================================
(use format typed-records) ;; RADT => purpose of json format??
(declare (unit rmt))
(declare (uses api))
(declare (uses tdb))
(declare (uses http-transport))
;;(declare (uses nmsg-transport))
(include "common_records.scm")
;;
;; THESE ARE ALL CALLED ON THE CLIENT SIDE!!!
;;
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;;======================================================================
;; Copyright 2006-2013, Matthew Welland.
;;
;; This program is made available under the GNU GPL version 2.0 or
;; greater. See the accompanying file COPYING for details.
;;
;; This program is distributed WITHOUT ANY WARRANTY; without even the
;; implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;; PURPOSE.
;;======================================================================
;;
(use format typed-records) ;; RADT => purpose of json format??
(declare (unit rmt))
(declare (uses api))
(declare (uses tdb))
(declare (uses http-transport))
(declare (uses rpc-transport))
;;(declare (uses nmsg-transport))
(include "common_records.scm")
;;
;; THESE ARE ALL CALLED ON THE CLIENT SIDE!!!
;;
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;; if not on homehost ensure we have a connection to a live server
;; NOTE: we *have* a homehost record by now
((and (not (cdr (remote-hh-dat *runremote*))) ;; are we on a homehost?
(not (remote-conndat *runremote*))) ;; and no connection
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 6 hh-dat: " (remote-hh-dat *runremote*) " conndat: " (remote-conndat *runremote*))
(mutex-unlock! *rmt-mutex*)
(tasks:start-and-wait-for-server (tasks:open-db) 0 15)
(remote-conndat-set! *runremote* (rmt:get-connection-info 0)) ;; calls client:setup which calls client:setup-http
(rmt:send-receive cmd rid params attemptnum: attemptnum))
;; all set up if get this far, dispatch the query
((cdr (remote-hh-dat *runremote*)) ;; we are on homehost
(mutex-unlock! *rmt-mutex*)
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 7")
(rmt:open-qry-close-locally cmd (if rid rid 0) params))
;; not on homehost, do server query
(else
(mutex-unlock! *rmt-mutex*)
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 9")
(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 (vector? conninfo)(http-transport:server-dat-update-last-access conninfo)) ;; refresh access time
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 9. conninfo=" conninfo " dat=" dat)
(if success
(case (remote-transport *runremote*)
((http) res)
(else
(debug:print 0 *default-log-port* "ERROR: transport " (remote-transport *runremote*) " is unknown")
(exit 1)))
(begin
(debug:print 0 *default-log-port* "WARNING: communication failed. Trying again, try num: " attemptnum)
(remote-conndat-set! *runremote* #f)
(remote-server-url-set! *runremote* #f)
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;; if not on homehost ensure we have a connection to a live server
;; NOTE: we *have* a homehost record by now
((and (not (cdr (remote-hh-dat *runremote*))) ;; are we on a homehost?
(not (remote-conndat *runremote*))) ;; and no connection
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 6 hh-dat: " (remote-hh-dat *runremote*) " conndat: " (remote-conndat *runremote*))
(mutex-unlock! *rmt-mutex*)
(tasks:start-and-wait-for-server (tasks:open-db) 0 15)
(let* ((cinfo (rmt:get-connection-info 0))
(transport (if cinfo
(vector-ref cinfo 6)
(server:get-transport)))) ;; TODO: replace with tasks:server-dat-accessor-?? for transport
(remote-conndat-set! *runremote* cinfo) ;; calls client:setup which calls client:setup-http
(remote-transport-set! *runremote* transport))
(rmt:send-receive cmd rid params attemptnum: attemptnum))
;; all set up if get this far, dispatch the query
((cdr (remote-hh-dat *runremote*)) ;; we are on homehost
(mutex-unlock! *rmt-mutex*)
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 7")
(rmt:open-qry-close-locally cmd (if rid rid 0) params))
;; not on homehost, do server query
(else
(mutex-unlock! *rmt-mutex*)
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 9")
(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)))))
((rpc) (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
(rpc-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 (1)")
(exit))))
(success (if (vector? dat) (vector-ref dat 0) #f))
(res (if (vector? dat) (vector-ref dat 1) #f)))
(if (vector? conninfo)(http-transport:server-dat-update-last-access conninfo)) ;; refresh access time
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 9. conninfo=" conninfo " dat=" dat)
(if success
(case (remote-transport *runremote*)
((http rpc) res)
(else
(debug:print 0 *default-log-port* "ERROR: transport " (remote-transport *runremote*) " is unknown")
(exit 1)))
(begin
(debug:print 0 *default-log-port* "WARNING: communication failed. Trying again, try num: " attemptnum)
(remote-conndat-set! *runremote* #f)
(remote-server-url-set! *runremote* #f)
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(mutex-lock! *db-multi-sync-mutex*)
(set! *db-last-write* start-time) ;; the oldest "write"
(mutex-unlock! *db-multi-sync-mutex*)))))
res))
(define (rmt:send-receive-no-auto-client-setup connection-info cmd run-id params)
(let* ((run-id (if run-id run-id 0))
(res (handle-exceptions
exn
#f
(http-transport:client-api-send-receive run-id connection-info cmd params))))
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(mutex-lock! *db-multi-sync-mutex*)
(set! *db-last-write* start-time) ;; the oldest "write"
(mutex-unlock! *db-multi-sync-mutex*)))))
res))
(define (rmt:send-receive-no-auto-client-setup connection-info cmd run-id params)
(let* ((run-id (if run-id run-id 0))
(transport (or (remote-transport *runremote*) (server:get-transport)))
(res (handle-exceptions
exn
#f
(case transport
((http) (http-transport:client-api-send-receive run-id connection-info cmd params))
((rpc) (rpc-transport:client-api-send-receive run-id connection-info cmd params))
(else
(debug:print 0 *default-log-port* "ERROR: transport " (remote-transport *runremote*) " not supported (2)")
(exit))
))))
(if (and res (vector-ref res 0))
(vector-ref res 1) ;;; YES!! THIS IS CORRECT!! CHANGE IT HERE, THEN CHANGE rmt:send-receive ALSO!!!
#f)))
;; ;; Wrap json library for strings (why the ports crap in the first place?)
;; (define (rmt:dat->json-str dat)
;; (with-output-to-string
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(rmt:send-receive 'login run-id (list *toppath* megatest-version *my-client-signature*)))
;; This login does no retries under the hood - it acts a bit like a ping.
;; Deprecated for nmsg-transport.
;;
(define (rmt:login-no-auto-client-setup connection-info)
(case *transport-type* ;; run-id of 0 is just a placeholder
((http)(rmt:send-receive-no-auto-client-setup connection-info 'login 0 (list *toppath* megatest-version *my-client-signature*)))
;;((nmsg)(nmsg-transport:client-api-send-receive run-id connection-info 'login (list *toppath* megatest-version run-id *my-client-signature*)))
))
;; hand off a call to one of the db:queries statements
;; added run-id to make looking up the correct db possible
;;
(define (rmt:general-call stmtname run-id . params)
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(rmt:send-receive 'login run-id (list *toppath* megatest-version *my-client-signature*)))
;; This login does no retries under the hood - it acts a bit like a ping.
;; Deprecated for nmsg-transport.
;;
(define (rmt:login-no-auto-client-setup connection-info)
(case *transport-type* ;; run-id of 0 is just a placeholder
((http rpc)(rmt:send-receive-no-auto-client-setup connection-info 'login 0 (list *toppath* megatest-version *my-client-signature*)))
(else
(debug:print 0 *default-log-port* "ERROR: transport " (remote-transport *runremote*) " not supported (3)")
(exit))
;;((nmsg)(nmsg-transport:client-api-send-receive run-id connection-info 'login (list *toppath* megatest-version run-id *my-client-signature*)))
))
;; hand off a call to one of the db:queries statements
;; added run-id to make looking up the correct db possible
;;
(define (rmt:general-call stmtname run-id . params)
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