Artifact c0f004bcfccd2c658c64e5b16969949e328f2c74:
- File
client.scm
— part of check-in
[67b18cc991]
at
2023-01-16 10:00:35
on branch v1.80-refactor
— Major refactor/clean up of client connection stuff. Removed old crufty approach of having both client and server side calls in http-transport. Plan would be to eventually get rid of http-transport.
Open files slowly grows. bad argument type in http-transport. Line 285 (close-connection! fullurl) is wrong. (user: matt, size: 7092) [annotate] [blame] [check-ins using]
;; 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 ... start-res=" start-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-baby 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)))