协议调整，避免阻塞

apps/relay_server/src/relay_server_udp_listener.erl

@@ -13,8 +13,8 @@
 
 -define(SERVER, ?MODULE).
 -define(DEFAULT_LISTENER, 'relay_server/udp').
--define(DEFAULT_LISTEN_ON, 16380).
--define(DEFAULT_IDLE_TIMEOUT, 30000).
+-define(DEFAULT_LISTEN_ON, 1443).
+-define(DEFAULT_IDLE_TIMEOUT, 60000).
 -define(DEFAULT_CONNECT_TIMEOUT, 5000).
 -define(DEFAULT_MAX_CONNECTIONS, 1024).
 -define(DEFAULT_UDP_OPTIONS, [binary, {reuseaddr, true}]).

apps/relay_server/src/relay_server_udp_peer.erl

@@ -141,8 +141,6 @@ handle_open(StreamId, Payload, State = #state{streams = Streams, users = Users})
                         ok ->
                             start_stream(StreamId, Request, State);
                         error ->
-                            logger:warning("UDP relay stream ~p authentication failed from ~s",
-                                [StreamId, esockd:format(State#state.peer)]),
                             send_error(StreamId, <<"authentication failed">>, State),
                             State
                     end;

apps/relay_server/src/relay_server_udp_stream.erl

@@ -95,8 +95,6 @@ code_change(_OldVsn, State, _Extra) ->
 handle_continue(connect, State = #state{host = Host, port = Port, connect_timeout = ConnectTimeout}) ->
     case gen_tcp:connect(binary_to_list(Host), Port, ?TCP_OPTIONS(ConnectTimeout), ConnectTimeout) of
         {ok, Socket} ->
-            logger:debug("UDP relay stream ~p opened to ~ts:~p",
-                [State#state.stream_id, Host, Port]),
             case inet:setopts(Socket, [{active, once}]) of
                 ok ->
                     notify_opened(State),

config/sys.config

@@ -4,7 +4,7 @@
       {enabled, true},
       {listener, 'relay_server/udp'},
       {listen_on, 1443},
-      {idle_timeout, 30000},
+      {idle_timeout, 60000},
       {connect_timeout, 5000},
       {max_connections, 1024},
       {udp_options, [binary, {reuseaddr, true}]}