Created
October 10, 2013 00:16
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,38 @@ (ns echo-server (:import (java.net InetAddress DatagramPacket DatagramSocket))) (def udp-server (ref nil)) (def port 12345) (defn localhost [] (. InetAddress getLocalHost)) (defn message [text] (new DatagramPacket (. text getBytes) (. text length) (localhost) port )) (defn send-message [text] (.send @udp-server (message text))) (defn create-udp-server [] (DatagramSocket. port)) (defn start-udp-server [] (dosync (ref-set udp-server (create-udp-server)))) (defn stop-udp-server [] (.close @udp-server)) (start-udp-server) (defn empty-message [n] (new DatagramPacket (byte-array n) n)) (while true (do (def orig-packet (empty-message 1024)) (.receive @udp-server orig-packet) (.send @udp-server orig-packet) (println ( new String (.getData orig-packet) "UTF-8")) ) )