mirror of
git://git.savannah.gnu.org/guix/data-service.git
synced 2023-12-14 03:23:03 +01:00
18b6dd9e6d
This was good in that it avoided having to deal with long running connections, but it probably takes some time to open the connection, and these changes are a step towards offloading the PostgreSQL queries to other threads, so they don't block the threads for fibers.
68 lines
2.7 KiB
Scheme
68 lines
2.7 KiB
Scheme
;;; Guix Data Service -- Information about Guix over time
|
|
;;; Copyright © 2017 Ricardo Wurmus <rekado@elephly.net>
|
|
;;; Copyright © 2019 Christopher Baines <mail@cbaines.net>
|
|
;;;
|
|
;;; This program is free software: you can redistribute it and/or
|
|
;;; modify it under the terms of the GNU Affero General Public License
|
|
;;; as published by the Free Software Foundation, either version 3 of
|
|
;;; the License, or (at your option) any later version.
|
|
;;;
|
|
;;; This program 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
|
|
;;; Affero General Public License for more details.
|
|
;;;
|
|
;;; You should have received a copy of the GNU Affero General Public
|
|
;;; License along with this program. If not, see
|
|
;;; <http://www.gnu.org/licenses/>.
|
|
|
|
(define-module (guix-data-service web server)
|
|
#:use-module (srfi srfi-1)
|
|
#:use-module (srfi srfi-11)
|
|
#:use-module (ice-9 match)
|
|
#:use-module (web http)
|
|
#:use-module (web request)
|
|
#:use-module (web uri)
|
|
#:use-module (system repl error-handling)
|
|
#:use-module (fibers web server)
|
|
#:use-module (guix-data-service web controller)
|
|
#:use-module (guix-data-service web util)
|
|
#:export (start-guix-data-service-web-server))
|
|
|
|
(define (handler request body controller secret-key-base)
|
|
(display
|
|
(format #f "~a ~a\n"
|
|
(request-method request)
|
|
(uri-path (request-uri request))))
|
|
(apply values
|
|
(let-values (((request-components mime-types)
|
|
(request->path-components-and-mime-type request)))
|
|
(controller request
|
|
(cons (request-method request)
|
|
request-components)
|
|
mime-types
|
|
body
|
|
secret-key-base))))
|
|
|
|
(define* (start-guix-data-service-web-server port host secret-key-base)
|
|
(call-with-error-handling
|
|
(lambda ()
|
|
(run-server (lambda (request body)
|
|
(handler request body controller
|
|
secret-key-base))
|
|
#:host host
|
|
#:port port))
|
|
#:on-error 'backtrace
|
|
#:post-error (lambda (key . args)
|
|
(when (eq? key 'system-error)
|
|
(match args
|
|
(("bind" "~A" ("Address already in use") _)
|
|
(simple-format
|
|
(current-error-port)
|
|
"\n
|
|
error: guix-data-service could not start, as it could not bind to port ~A
|
|
|
|
Check if it's already running, or whether another process is using that
|
|
port. Also, the port used can be changed by passing the --port option.\n"
|
|
port)))))))
|