31 lines
998 B
Racket
31 lines
998 B
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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(require "../userland.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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(userland-thread
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#:gestalt
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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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(sub (tcp-channel remote-handle local-handle ?) #:level 1)
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(pub (tcp-channel local-handle remote-handle ?)))
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(wait-for-gestalt (sub (tcp-channel remote-handle local-handle ?) #:level 1))
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(let loop ()
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(match (next-event)
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[(message (event _ (list (? eof-object?))) 1 #f)
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(do (quit))]
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[(message (event _ (list line)) 1 #f)
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(do (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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(flush-output)]
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[(routing-update g)
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(when (gestalt-empty? g) (do (quit)))])
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(loop)))
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