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Elixir Socket Example
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defmodule SocketPlayground do | |
def listen(port) do | |
listen(port, &handler/1) | |
end | |
def listen(port, handler) do | |
IO.puts "listen" | |
Socket.TCP.listen!(port, packet: :line) | |
|> accept(handler) | |
end | |
def accept(listening_socket, handler) do | |
IO.puts "accept" | |
socket = Socket.TCP.accept!(listening_socket) | |
spawn(fn -> handle(socket, handler) end) | |
accept(listening_socket, handler) | |
end | |
def handle(socket, handler) do | |
IO.puts "handle" | |
incoming = Socket.Stream.recv!(socket) | |
socket |> Socket.Stream.send!(handler.(incoming)) | |
handle(socket, handler) | |
end | |
def handler(line) do | |
String.upcase(line) | |
end | |
end |
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