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Chat client example.

This commit is contained in:
Tony Garnock-Jones 2015-03-06 13:58:36 +00:00
parent fc1081c7da
commit cdb9e1cb07
1 changed files with 26 additions and 0 deletions
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prospect/examples/chat-client.rkt Normal file
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#lang prospect
(require (only-in racket/port read-bytes-line-evt))
(require "../drivers/tcp.rkt")
(define local-handle (tcp-handle 'chat))
(define remote-handle (tcp-address "localhost" 5999))
(spawn-tcp-driver)
(spawn/stateless (lambda (e)
(match e
[(? patch/removed?) (quit)]
[(message (at-meta (external-event _ (list (? eof-object?)))))
(quit)]
[(message (at-meta (external-event _ (list line))))
(message (tcp-channel local-handle remote-handle line))]
[(message (tcp-channel _ _ bs))
(write-bytes bs)
(flush-output)
#f]
[_ #f]))
(sub (external-event (read-bytes-line-evt (current-input-port) 'any) ?)
#:meta-level 1)
(sub (tcp-channel remote-handle local-handle ?))
(sub (advertise (tcp-channel remote-handle local-handle ?)))
(pub (tcp-channel local-handle remote-handle ?)))