% @doc echo server client
-module(nechoc).

-export([main/0]).

main() ->
    {ok, TcpSocket} = gen_tcp:connect("localhost", 6969, [binary, {packet, 0}]),
    ok = inet:setopts(Socket, [{active, once}]),
    {ok, NoiseSock, _HandshakeState} = enoise:connect(TcpSocket, noise_options()),
    loop(Socket).

noise_options() ->
    % totally safe crypto
    KP = enoise_keypair:new(dh25519),
    [{noise, "Noise_NN_25519_ChaChaPoly_BLAKE2b"},
     {e, KP}].


j_loop(NSock) ->
    ok = inet:setopts(NSock, [{active, once}]),
    receive
        {tcp, Socket, Bytes} ->
            ok = io:format("< ~tp~n", [Bytes]),
            loop(Socket);
        {tcp_closed, Socket} ->
            ok = io:format("connection terminated~n", []),
            exit(normal)
    end.