30 lines
1.0 KiB
Racket
30 lines
1.0 KiB
Racket
#lang minimart
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(require (only-in racket/port read-bytes-line-evt))
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(require "../drivers/tcp.rkt")
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(define local-handle (tcp-handle 'chat))
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(define remote-handle (tcp-address "localhost" 5999))
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(spawn-tcp-driver)
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(spawn (lambda (e seen-remote?)
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(match e
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[(message (event _ (list (? eof-object?))) 1 #f)
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(transition seen-remote? (quit))]
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[(message (event _ (list line)) 1 #f)
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(transition seen-remote? (send (tcp-channel local-handle remote-handle line)))]
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[(message (tcp-channel _ _ bs) 0 #f)
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(write-bytes bs)
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#f]
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[(routing-update g)
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(define remote-present? (not (gestalt-empty? g)))
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(transition (or seen-remote? remote-present?)
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(when (and (not remote-present?) seen-remote?) (quit)))]
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[#f #f]))
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#f
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(gestalt-union (sub (event (read-bytes-line-evt (current-input-port) 'any) ?) #:meta-level 1)
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(sub (tcp-channel remote-handle local-handle ?))
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(pub (tcp-channel local-handle remote-handle ?))
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(pub (tcp-channel local-handle remote-handle ?) #:level 1)))
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