51 строка
1.2 KiB
Scheme
51 строка
1.2 KiB
Scheme
(import scheme)
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(import (chicken base))
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(import srfi-1)
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(import srfi-13)
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(import socket)
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(foreign-declare "#include <libnotify/notify.h>")
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(define (forever tn)
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(tn)
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(forever tn))
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(define-syntax thunk
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(syntax-rules ()
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((_ exp ...)
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(lambda () exp ...))))
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(define notify
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(foreign-lambda* void ((c-string title) (c-string body))
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"NotifyNotification *notif;\n"
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"notify_init(title);\n"
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"notif = notify_notification_new(title, body, NULL);\n"
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"notify_notification_show(notif, NULL);\n"
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"g_object_unref(notif);\n"))
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(define broadcast-socket #f)
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(define broadcast-address (inet-address "255.255.255.255" 3742))
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(define (broadcast-setup)
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(set! broadcast-socket (socket af/inet sock/dgram))
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(set! (so-broadcast? broadcast-socket) #t)
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(socket-bind broadcast-socket broadcast-address))
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(define (broadcast-receive)
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(condition-case (socket-receive broadcast-socket 256)
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((exn timeout) (broadcast-receive))))
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(define (net-notify-listen)
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(let ((response (broadcast-receive)))
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(if (equal? (string-take response 12) "net-notify: ")
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(string-drop response 12)
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(net-notify-listen))))
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(define (main)
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(broadcast-setup)
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(forever (thunk (notify "net-notify" (net-notify-listen)))))
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(main)
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