diff options
Diffstat (limited to 'guix/http-client.scm')
| -rw-r--r-- | guix/http-client.scm | 35 |
1 files changed, 29 insertions, 6 deletions
diff --git a/guix/http-client.scm b/guix/http-client.scm index 11231cbc1e..1f05df4b05 100644 --- a/guix/http-client.scm +++ b/guix/http-client.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2012, 2013 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2012, 2013, 2014 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2012 Free Software Foundation, Inc. ;;; ;;; This file is part of GNU Guix. @@ -23,19 +23,36 @@ #:use-module (web client) #:use-module (web response) #:use-module (srfi srfi-11) + #:use-module (srfi srfi-34) + #:use-module (srfi srfi-35) #:use-module (rnrs io ports) #:use-module (rnrs bytevectors) #:use-module (guix ui) #:use-module (guix utils) - #:export (open-socket-for-uri + #:export (&http-get-error + http-get-error? + http-get-error-uri + http-get-error-code + http-get-error-reason + + open-socket-for-uri http-fetch)) ;;; Commentary: ;;; -;;; HTTP client portable among Guile versions. +;;; HTTP client portable among Guile versions, and with proper error condition +;;; reporting. ;;; ;;; Code: +;; HTTP GET error. +(define-condition-type &http-get-error &error + http-get-error? + (uri http-get-error-uri) ; URI + (code http-get-error-code) ; integer + (reason http-get-error-reason)) ; string + + (define-syntax when-guile<=2.0.5 (lambda (s) (syntax-case s () @@ -154,7 +171,9 @@ unbuffered." "Return an input port containing the data at URI, and the expected number of bytes available or #f. If TEXT? is true, the data at URI is considered to be textual. Follow any HTTP redirection. When BUFFERED? is #f, return an -unbuffered port, suitable for use in `filtered-port'." +unbuffered port, suitable for use in `filtered-port'. + +Raise an '&http-get-error' condition if downloading fails." (let loop ((uri uri)) (let ((port (or port (open-socket-for-uri uri @@ -202,7 +221,11 @@ unbuffered port, suitable for use in `filtered-port'." (uri->string uri)) (loop uri))) (else - (error "download failed" uri code - (response-reason-phrase resp)))))))) + (raise (condition (&http-get-error + (uri uri) + (code code) + (reason (response-reason-phrase resp))) + (&message + (message "download failed")))))))))) ;;; http-client.scm ends here |