;;; SPDX-License-Identifier: LGPL-3.0-or-later
;;; SPDX-FileCopyrightText: Copyright © 2010-2021 Tony Garnock-Jones <tonyg@leastfixedpoint.com>

#lang syndicate

(require/activate syndicate/drivers/udp)

(spawn (define s (udp-listener 5999))
       (during s
         (on (message (udp-packet $c s $body))
             (printf "~a: ~v\n" c body)
             (define reply (string->bytes/utf-8 (format "You said: ~a" body)))
             (send! (udp-packet s c reply)))))