;; Copyright 2006-2012, Matthew Welland.
;;
;; This file is part of Megatest.
;;
;; Megatest is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;;
;; Megatest is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with Megatest. If not, see <http://www.gnu.org/licenses/>.
;;======================================================================
;; C L I E N T S
;;======================================================================
(use srfi-18 extras tcp s11n srfi-1 posix regex srfi-69 hostinfo md5
message-digest matchable spiffy uri-common intarweb http-client
spiffy-request-vars uri-common intarweb directory-utils)
(declare (unit client))
(declare (uses common))
(declare (uses db))
(declare (uses tasks)) ;; tasks are where stuff is maintained about what is running.
(module client
*
)
(import client)
(include "common_records.scm")
(include "db_records.scm")
;; client:get-signature
(define (client:get-signature)
(if *my-client-signature* *my-client-signature*
(let ((sig (conc (get-host-name) " " (current-process-id))))
(set! *my-client-signature* sig)
*my-client-signature*)))
;; Not currently used! But, I think it *should* be used!!!
#;(define (client:logout serverdat)
(let ((ok (and (socket? serverdat)
(cdb:logout serverdat *toppath* (client:get-signature)))))
ok))
;; Do all the connection work, look up the transport type and set up the
;; connection if required.
;;
;; There are two scenarios.
;; 1. We are a test manager and we received *transport-type* and *runremote* via cmdline
;; 2. We are a run tests, list runs or other interactive process and we must figure out
;; *transport-type* and *runremote* from the monitor.db
;;
;; client:setup
;;
;; lookup_server, need to remove *runremote* stuff
;;
;;(define (http-transport:server-dat-make-url runremote)
(define (client:get-url runremote)
(if (and (remote-iface runremote)
(remote-port runremote))
(conc "http://"
(remote-iface runremote)
":"
(remote-port runremote))
#f))
(define (client:setup areapath runremote #!key (remaining-tries 100) (failed-connects 0)(area-dat #f))
(mutex-lock! *rmt-mutex*)
(let ((res (client:setup-http areapath runremote remaining-tries: remaining-tries failed-connects: failed-connects area-dat: area-dat)))
(mutex-unlock! *rmt-mutex*)
res))
(define (client:setup-http areapath runremote #!key (remaining-tries 100) (failed-connects 0))
(debug:print-info 2 *default-log-port* "client:setup remaining-tries=" remaining-tries)
(server:start-and-wait areapath)
(if (<= remaining-tries 0)
(begin
(debug:print-error 0 *default-log-port* "failed to start or connect to server")
(exit 1))
;;
;; Alternatively here, we can get the list of candidate servers and work our way
;; through them searching for a good one.
;;
(let* ((server-dat (server:choose-server areapath 'best))) ;; list host port start-time server-id pid
;; (runremote (or area-dat *runremote*)))
(if (not server-dat) ;; no server found
(begin
(if (< remaining-tries 99)(thread-sleep! 1)) ;; obviously it needs time
(client:setup-http areapath runremote remaining-tries: (- remaining-tries 1)))
(match server-dat
((host port start-time server-id pid)
(debug:print-info 4 *default-log-port* "client:setup server-dat=" server-dat ", remaining-tries=" remaining-tries)
(if (not runremote)
(begin
;; Here we are creating a runremote where there was none or it was clobbered with #f
;;
(set! runremote (make-remote))
(let* ((server-info (server:check-if-running areapath)))
(remote-server-info-set! runremote server-info)
(if server-info
(begin
(remote-server-url-set! runremote (server:record->url server-info))
(remote-server-id-set! runremote (server:record->id server-info)))))))
;; at this point we have a runremote
(if (and host port server-id)
(let* ((nada (client:connect host port server-id runremote))
(ping-res (rmt:login-no-auto-client-setup runremote)))
(if ping-res
(if runremote
(begin
(debug:print-info 2 *default-log-port* "connected to " (client:get-url runremote))
runremote)
(client:setup-http areapath runremote remaining-tries: (- remaining-tries 1)))
(begin ;; login failed but have a server record, clean out the record and try again
(debug:print-info 0 *default-log-port* "client:setup, login unsuccessful, will attempt to start server ... ping-res=" ping-res ", server-dat=" server-dat) ;; had runid. Fixes part of Randy;s ticket 1405717332
(http-transport:close-connections runremote)
(thread-sleep! 1)
(client:setup-http areapath runremote remaining-tries: (- remaining-tries 1))
)))
(begin ;; no server registered
;; (server:kind-run areapath)
(server:start-and-wait areapath)
(debug:print-info 0 *default-log-port* "client:setup, no server registered, remaining-tries=" remaining-tries)
(thread-sleep! 1) ;; (+ 5 (random (- 20 remaining-tries)))) ;; give server a little time to start up, randomize a little to avoid start storms.
(client:setup-http areapath runremote remaining-tries: (- remaining-tries 1)))))
(else
(debug:print 0 *default-log-port* "ERROR: malformed server-dat="server-dat)))))))
;;
;; connect - stored in remote-condat
;;
;; (define (http-transport:client-connect iface port server-id runremote)
(define (client:connect iface port server-id runremote-in)
(let* ((runremote (or runremote-in
(make-runremote))))
(debug:print-info 2 *default-log-port* "Connecting to server at "iface":"port", id "server-id)
(let* ((api-url (conc "http://" iface ":" port "/api"))
(api-uri (uri-reference (conc "http://" iface ":" port "/api")))
(api-req (make-request method: 'POST uri: api-uri)))
;; (server-dat (vector iface port api-uri api-url api-req (current-seconds) server-id)))
(remote-iface-set! runremote iface)
(remote-port-set! runremote port)
(remote-server-id-set! runremote server-id)
(remote-connect-time-set! runremote (current-seconds))
(remote-last-access-set! runremote (current-seconds))
(remote-api-url-set! runremote api-url)
(remote-api-uri-set! runremote api-uri)
(remote-api-req-set! runremote api-req)
runremote)))