sunterlib/s48/cavespider/client.scm

96 lines
3.4 KiB
Scheme

;;; client.scm - connect-to-server utility
;;;
;;; Copyright (c) 2012 Johan Ceuppens
;;;
;;; All rights reserved.
;;;
;;; Redistribution and use in source and binary forms, with or without
;;; modification, are permitted provided that the following conditions
;;; are met:
;;; 1. Redistributions of source code must retain the above copyright
;;; notice, this list of conditions and the following disclaimer.
;;; 2. Redistributions in binary form must reproduce the above copyright
;;; notice, this list of conditions and the following disclaimer in the
;;; documentation and/or other materials provided with the distribution.
;;; 3. The name of the authors may not be used to endorse or promote products
;;; derived from this software without specific prior written permission.
;;;
;;; THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
;;; IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
;;; OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
;;; IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
;;; INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
;;; NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
;;; DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
;;; THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
;;; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
;;; THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
(load "util.scm")
;;,open posix posix-files
(define server-data
(let* ((port1 80)
(port2 8080)
(hostname ""))
(list hostname port1)))
(define (ask-server0 request hostname port)
(call-with-values
(lambda ()
(socket-client hostname port))
(lambda (in out)
(display request out)
(close-output-port out)
(let ((answer (read in)));;(make-string-input-port in)))
(close-input-port in)
answer))))
(define (get-addr hostname)
(let ((host (gethostbyname hostname)))
(car (hostent:addr-list host))))
(define (file->contents filename)
(let ((in (open-input-file filename)))
(let ((file-contents ""))
(do ((c (read-char in)(read-char in)))
((eof-object? c)
file-contents)
;;(display c)
(set! file-contents (string-append file-contents (string c))))
;; (file-contents->url file-contents))))
)))
(define (ask-server request filename hostname port)
(let* ((dir-filename (do ((i 0 (+ i 1)))
((make-directory (string-append "./" hostname (number->string i)))
(string-append "./" hostname (number->string i))) ;; return val
))
(out-file-port (open-output-file (string-append dir-filename "/" filename)))
)
(call-with-values
(lambda ()
(socket-client hostname port))
(lambda (in out)
(display request out)
(do ((c (read-char in)(read-char in)))
((eof-object? c) #t)
;;(display c)
(display c out-file-port)
;;(display c)
)
))
dir-filename))
; (let ((contents (file->contents (string-append dir-filename "/" filename))))
; (display contents)
; (file-contents->url contents)
; )))
;;test
;;(ask-server (string-append "GET / HTTP/1.0" (string #\return #\newline #\return #\newline) "index.html" "www.gnu.org") 80)