syndicate-2017/racket/prospect/examples/actor/echo.rkt

17 lines
676 B
Racket

#lang prospect
(require prospect/actor)
(require prospect/drivers/tcp)
(spawn-tcp-driver)
(define server-id (tcp-listener 5999))
(forever (assert (advertise (observe (tcp-channel _ server-id _))))
(on (asserted (advertise (tcp-channel $c server-id _)))
(printf "Accepted connection from ~v\n" c)
(actor (until (retracted (advertise (tcp-channel c server-id _)))
(assert (advertise (tcp-channel server-id c _)))
(on (message (tcp-channel c server-id $bs))
(send! (tcp-channel server-id c bs))))
(printf "Closed connection ~v\n" c))))