17 lines
591 B
Racket
17 lines
591 B
Racket
#lang syndicate
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(require/activate syndicate/drivers/udp)
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(spawn (lambda (e s)
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(match e
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[(message (udp-packet src dst #"quit\n"))
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(log-info "Got quit request")
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(quit (message (udp-packet dst src #"Goodbye!\n")))]
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[(message (udp-packet src dst body))
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(log-info "Got packet from ~v: ~v" src body)
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(define reply (string->bytes/utf-8 (format "You said: ~a" body)))
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(transition s (message (udp-packet dst src reply)))]
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[_ #f]))
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(void)
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(sub (udp-packet ? (udp-listener 5999) ?)))
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