fcgi.scm

#|
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|#

;; support FastCGI

;; Note that FCGI changes the behaviour of stdout
;; normal output operations go to the webserver log

(c-declare #<<c-declare-end

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <fcgi_stdio.h>

c-declare-end
)

(define FCGI-Accept (c-lambda () int "FCGI_Accept"))

(define (FCGI-display x)
  ((c-lambda (char-string) void "printf")
    (with-output-to-string "" (lambda () (display x)))))

(define FCGI-Finish (c-lambda () void "FCGI_Finish"))

(define (FCGI-getenv s) (getenv s ""))

(define (fcgi-server init-proc session-proc close-proc)
  (if init-proc (init-proc))
  (let loop ()
    (if (>= (FCGI-Accept) 0) (begin
      (cgi-env-init)
      (let ((outp (with-output-to-string "" (lambda ()
              (if session-proc (session-proc) (for-each display (list
                 "Content-Type: text/plain\n\n"
                 "No session hook?\n")))))))
        (cgi-env-clear)
        (FCGI-display outp)
        (FCGI-Finish))) (thread-sleep! 0.1)) 
      (loop))
  (if close-proc (close-proc)) ;; not reached
 )

;; override cgi-server for automatic CGI->FastCGI conversion
(set! cgi-server fcgi-server)

;; eof