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defmodule Octochat.Echo do
@moduledoc """
Octochat Echo server
"""
require Logger
def serve(socket) do
socket
|> read_line()
|> write_line!(socket)
serve(socket)
end
defp read_line(socket) do
case :gen_tcp.recv(socket, 0) do
{:ok, line} -> line
{:error, reason} ->
Logger.error(reason)
Process.exit(self, :normal)
end
end
defp write_line!(line, socket) do
:gen_tcp.send(socket, line)
end
end
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