45 lines
1.6 KiB
Plaintext
45 lines
1.6 KiB
Plaintext
|
#!/usr/local/bin/stk -f
|
|||
|
|
;;;; s e r v e r . s t k -- A simple sever
|
|||
|
|
;;;;
|
|||
|
|
;;;; Copyright <20> 1993-1996 Erick Gallesio - I3S-CNRS/ESSI <eg@unice.fr>
|
|||
|
|
;;;;
|
|||
|
|
;;;; Permission to use, copy, and/or distribute this software and its
|
|||
|
|
;;;; documentation for any purpose and without fee is hereby granted, provided
|
|||
|
|
;;;; that both the above copyright notice and this permission notice appear in
|
|||
|
|
;;;; all copies and derived works. Fees for distribution or use of this
|
|||
|
|
;;;; software or derived works may only be charged with express written
|
|||
|
|
;;;; permission of the copyright holder.
|
|||
|
|
;;;; This software is provided ``as is'' without express or implied warranty.
|
|||
|
|
;;;;
|
|||
|
|
;;;; This software is a derivative work of other copyrighted softwares; the
|
|||
|
|
;;;; copyright notices of these softwares are placed in the file COPYRIGHTS
|
|||
|
|
;;;;
|
|||
|
|
;;;; Author: Erick Gallesio [eg@kaolin.unice.fr]
|
|||
|
|
;;;; Creation date: 4-Feb-1995 18:17
|
|||
|
|
;;;; Last file update: 12-Feb-1995 11:57
|
|||
|
|
|
|||
|
|
(define s (make-server-socket))
|
|||
|
|
|
|||
|
|
(dynamic-wind
|
|||
|
|
;; Init: Launch an xterm with telnet running on the s listening port and connect
|
|||
|
|
(lambda ()
|
|||
|
|
(run-process "xterm" "-e" "telnet" "localhost"
|
|||
|
|
(number->string (socket-port-number s)))
|
|||
|
|
(socket-accept-connection s)
|
|||
|
|
(format (socket-output s) "\nWelcome on the socket REPL.\n\n> ")
|
|||
|
|
(flush (socket-output s)))
|
|||
|
|
|
|||
|
|
;; Action: A toplevel like loop
|
|||
|
|
(lambda ()
|
|||
|
|
(let loop ()
|
|||
|
|
(format (socket-output s) "; Result: ~s\n> " (eval (read (socket-input s))))
|
|||
|
|
(flush (socket-output s))
|
|||
|
|
(loop)))
|
|||
|
|
|
|||
|
|
;; Termination: We go here when
|
|||
|
|
;; a) an error occurs
|
|||
|
|
;; b) connection is closed
|
|||
|
|
(lambda ()
|
|||
|
|
(format #t "Shutdown ......\n")
|
|||
|
|
(socket-shutdown s)))
|