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janet/examples/tcpserver.janet
Calvin Rose 9ba94d2c6b More work on timeouts and racing listeners.
When two listeners are racing to resume the same fiber, the
first should cancel out the other.
2020-07-05 17:26:17 -05:00

28 lines
588 B
Clojure

(defn handler
"Simple handler for connections."
[stream]
(def id (gensym))
(def b @"")
(print "Connection " id "!")
(while (:read stream 1024 b)
(repeat 10 (print "work for " id " ...") (ev/sleep 1))
(:write stream b)
(buffer/clear b))
(printf "Done %v!" id))
(defn spawn-kid
"Run handler in a new fiber"
[conn]
(def f (fiber/new handler))
(ev/go f conn))
(print "Starting echo server on 127.0.0.1:8000")
(def server (net/server "127.0.0.1" "8000"))
# Run server.
(while true
(with [conn (:accept server)]
(spawn-kid conn)
(ev/sleep 0.1)))