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https://github.com/janet-lang/janet
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36 lines
1.0 KiB
Janet
36 lines
1.0 KiB
Janet
(def conmap @{})
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(defn broadcast [em msg]
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(eachk par conmap
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(if (not= par em)
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(if-let [tar (get conmap par)]
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(net/write tar (string/format "[%s]:%s" em msg))))))
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(defn handler
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[connection]
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(print "connection: " connection)
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(net/write connection "Whats your name?\n")
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(def name (string/trim (string (ev/read connection 100))))
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(print name " connected")
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(if (get conmap name)
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(do
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(net/write connection "Name already taken!")
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(:close connection))
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(do
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(put conmap name connection)
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(net/write connection (string/format "Welcome %s\n" name))
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(defer (do
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(put conmap name nil)
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(:close connection))
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(while (def msg (ev/read connection 100))
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(broadcast name (string msg)))
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(print name " disconnected")))))
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(defn main [& args]
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(printf "STARTING SERVER...")
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(flush)
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(def my-server (net/listen "127.0.0.1" "8000"))
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(forever
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(def connection (net/accept my-server))
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(ev/call handler connection)))
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