syndicate-2017/racket/doc/echo.rkt.txt

17 lines
611 B
Racket

#lang syndicate ;; -*- racket -*-
(require "../drivers/tcp.rkt")
(require "../demand-matcher.rkt")
(define server-id (tcp-listener 5999))
(spawn-tcp-driver)
(actor (forever
(on (asserted (advertise (tcp-channel $c server-id ?)))
(printf "Accepted connection from ~v\n" c)
(actor (until (retracted (advertise (tcp-channel c server-id ?)))
(advertise (tcp-channel server-id c ?))
(on (tcp-channel c server-id bs)
(send! (tcp-channel server-id c bs))))
(printf "Closed connection ~v\n" c)))))