Racket web server Racket

Snippet na Racket don Racket web server da ke amsa requests zuwa /pixel.gif da empty GIF, wanda ake decoding ɗinsa sau ɗaya lokacin farawa.

Racket web server Racket

Path

Fayil: pixel.rkt
Gudanar: racket pixel.rkt

#lang racket/base
(require net/base64
         web-server/http
         web-server/servlet-env)

(define gif (base64-decode #"R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw=="))

(define (pixel req)
  (response/full 200 #"OK" (current-seconds) #"image/gif"
                 (list (header #"Cache-Control" #"no-store"))
                 (list gif)))

;; serve/servlet only dispatches requests whose path is exactly #:servlet-path.
(serve/servlet pixel
               #:port 8080
               #:listen-ip #f
               #:servlet-path "/pixel.gif"
               #:command-line? #t)

Mun gudanar da wannan snippet kuma mun kwatanta bytes ɗin da ya mayar.

Duba shi

curl -sI http://localhost:8080/pixel.gif

Shafin hukuma: Racket web server