X-Git-Url: https://thelambdalab.xyz/gitweb/index.cgi?p=scratchy.git;a=blobdiff_plain;f=gopher-server.scm;fp=gopher-server.scm;h=0000000000000000000000000000000000000000;hp=26814d895f355cce086bf69e35e5cd44ed67d887;hb=7aabc06f178c6bb5f37ecb95f0f3c03375663491;hpb=c93da36267df70f8fb86a5b50d0cdc1a633b3886

diff --git a/gopher-server.scm b/gopher-server.scm
deleted file mode 100644
index 26814d8..0000000
--- a/gopher-server.scm
+++ /dev/null
@@ -1,143 +0,0 @@
-(import (chicken tcp)
-        (chicken port)
-        (chicken io)
-        (chicken string)
-        (chicken pathname)
-        (chicken file posix)
-        (chicken time posix)
-        (chicken condition)
-        (chicken process)
-        (chicken process-context)
-        srfi-13)
-
-(define gopher-index-file-name "index")
-
-;;; Server loop
-;; We don't actually use worker threads here to handle requests,
-;; the server just blocks until the first request is finished.
-
-(define (make-server-config root-dir host port)
-  (list root-dir host port))
-
-(define (server-root-dir config) (list-ref config 0))
-(define (server-host config) (list-ref config 1))
-(define (server-port config) (list-ref config 2))
-
-(define (run-server config)
-  (print "Gopher server listening on port " (server-port config) " ...")
-  (let ((listener (tcp-listen (server-port config))))
-    (let server-loop ()
-      (let-values (((in-port out-port) (tcp-accept listener)))
-        (let* ((line (read-line in-port))
-               (selector (string-trim-both line)))
-          (let-values (((local-ip remote-ip) (tcp-addresses in-port)))
-            (print "Accepted connection from " remote-ip
-                   " on " (seconds->string)))
-          (condition-case
-              (begin
-                (with-output-to-port out-port
-                  (lambda ()
-                    (serve-selector (if (= (string-length selector) 0)
-                                        "/"
-                                        selector)
-                                    config)))
-                (print "... served selector '" selector "'. Closing connection."))
-            (o (exn)
-               (print-error-message o out-port)
-               (print-error-message o)
-               (print "Error while attempting to serve selector " selector "."))))
-        (close-input-port in-port)
-        (close-output-port out-port))
-      (server-loop))
-    (tcp-close listener)))
-
-
-;;; Selector retrieval
-
-(define (directory-selector? selector)
-  (string-suffix? "/" selector))
-
-(define (text-selector? selector)
-  (apply or (map (lambda (ext) (string-suffix? ext selector))
-                 '(".txt" ".org" ".md"))))
-  
-(define (serve-selector selector config)
-  ((cond
-    ((directory-selector? selector) serve-directory)
-    ((text-selector? seletor) serve-text-file)
-    (else serve-binary-file))
-   selector config))
-
-(define (serve-directory path config)
-  (let ((file-name (make-pathname (list (server-root-dir config) path)
-                                  gopher-index-file-name)))
-    (if (regular-file? file-name)
-        (with-input-from-file file-name
-          (lambda ()
-            (let loop ((c (peek-char)))
-              (if (eof-object? c)
-                  'done
-                  (begin
-                    (if (eq? c #\,)
-                        (begin
-                          (read-char)
-                          (serve-record (read) path config)
-                          (read-line))
-                        (serve-info-record (read-line)))
-                    (loop (peek-char)))))))
-        (error "Index file not found."))))
-  
-(define (serve-text-file path config)
-  (let ((file-name (make-pathname (server-root-dir config) path)))
-    (if (regular-file? file-name)
-        (with-input-from-file file-name
-          (lambda ()
-            (for-each
-             (lambda (line)
-               (print line "\r"))
-             (read-lines))))
-        (error "File not found." file-name))))
-
-(define (serve-binary-file path config)
-  (let ((file-name (make-pathname (server-root-dir config) path)))
-    (if (regular-file? file-name)
-        (with-input-from-file file-name
-          (lambda ()
-            (let loop ((b (read-byte)))
-              (if (eof-object? b)
-                  'done
-                  (begin
-                    (write-byte b)
-                    (loop (read-byte)))))))
-        (error "File not found." file-name))))
-
-
-;;; Index rendering
-
-(define (serve-info-record info-string)
-  (print "i" info-string "\tfake\tfake\t1\r"))
-
-;;; main
-
-(define (main)
-  (let ((progname (car (argv)))
-        (args (cdr (argv))))
-    (if (or (< (length args) 2)
-            (equal? (car args) "-h")
-            (equal? (car args) "--help"))
-        (print "Usage:\n"
-               progname " -h/--help\n"
-               progname " gopher-root-dir server-hostname server-port")
-        (let ((root (car args))
-              (hostname (cadr args))
-              (port (if (= (length args) 3) (string->number (caddr args)) 70)))
-          (if port
-              (run-server (make-server-config root hostname port))
-              (error "Invalid port argument." port))))))
-
-(main)
-
-;; (define (test)
-  ;; (run-server (make-server-config "gopher-root" "localhost" 70)))
-
-;; (test)