22 lines
864 B
Racket
22 lines
864 B
Racket
#lang imperative-syndicate
|
|
|
|
(require/activate imperative-syndicate/drivers/tcp)
|
|
(require/activate imperative-syndicate/drivers/external-event)
|
|
(require (only-in racket/port read-bytes-line-evt))
|
|
|
|
(spawn (define id 'chat)
|
|
|
|
(assert (tcp-connection id (tcp-address "localhost" 5999)))
|
|
(on (asserted (tcp-accepted id)) (printf "*** Connected.\n"))
|
|
(stop-when (retracted (tcp-accepted id)) (printf "*** Remote EOF. Terminating.\n"))
|
|
|
|
(on (message (tcp-in id $bs))
|
|
(write-bytes bs)
|
|
(flush-output))
|
|
|
|
(define stdin-evt (read-bytes-line-evt (current-input-port) 'any))
|
|
(on (message (inbound (external-event stdin-evt (list $line))))
|
|
(if (eof-object? line)
|
|
(stop-current-facet (printf "*** Local EOF. Terminating.\n"))
|
|
(send! (tcp-out id (bytes-append line #"\n"))))))
|