chore(gw): adjust the configuration format

apps/emqx_gateway/etc/emqx_gateway.conf

@@ -6,6 +6,7 @@
 ## In the final version, it will be commented out.
 
 gateway.stomp {
+
   frame {
     max_headers = 10
     max_headers_length = 1024
@@ -18,14 +19,13 @@ gateway.stomp {
   }
 
   authenticator {
-    #enable = true
     name = "authenticator1"
     mechanism = password-based
     server_type = built-in-database
     user_id_type = clientid
   }
 
-  listener.tcp.1 {
+  listeners.tcp.default {
     bind = 61613
     acceptors = 16
     max_connections = 1024000
@@ -49,7 +49,7 @@ gateway.coap {
   notify_type = qos
   subscribe_qos = qos0
   publish_qos = qos1
-  listener.udp.1 {
+  listeners.udp.default {
     bind = 5683
   }
 }
@@ -90,7 +90,7 @@ gateway.mqttsn {
     password = "abc"
   }
 
-  listener.udp.1 {
+  listeners.udp.default {
     bind = 1884
     max_connections = 10240000
     max_conn_rate = 1000
@@ -113,16 +113,16 @@ gateway.exproto {
     #ssl.cacertfile:
   }
 
-  listener.tcp.1 {
+  listeners.tcp.default {
     bind = 7993
     acceptors = 8
     max_connections = 10240
     max_conn_rate = 1000
   }
 
-  #listener.ssl.1: {}
+  #listeners.ssl.default: {}
-  #listener.udp.1: {}
+  #listeners.udp.default: {}
-  #listener.dtls.1: {}
+  #listeners.dtls.default: {}
 }
 
 gateway.lwm2m {
@@ -147,7 +147,7 @@ gateway.lwm2m {
     update = "up/resp"
   }
 
-  listener.udp.1 {
+  listeners.udp.default {
       bind = 5783
   }
 }

apps/emqx_gateway/include/emqx_gateway.hrl

@@ -19,8 +19,15 @@
 
 -type gateway_name() :: atom().
 
+-type listener() :: #{}.
+
 %% The RawConf got from emqx:get_config/1
--type rawconf() :: map().
+-type rawconf() ::
+        #{ clientinfo_override => map()
+         , authenticator       => map()
+         , listeners           => listener()
+         , atom()              => any()
+         }.
 
 %% @doc The Gateway defination
 -type gateway() ::

apps/emqx_gateway/src/coap/emqx_coap_channel.erl

@@ -106,7 +106,7 @@ init(ConnInfo = #{peername := {PeerHost, _},
      #{ctx := Ctx} = Config) ->
     Peercert = maps:get(peercert, ConnInfo, undefined),
     Mountpoint = maps:get(mountpoint, Config, undefined),
-    EnableAuth = maps:get(enable, maps:get(authentication, Config)),
+    EnableAuth = is_authenticator_enabled(Config),
     ClientInfo = set_peercert_infos(
                    Peercert,
                    #{ zone => default
@@ -134,6 +134,13 @@ init(ConnInfo = #{peername := {PeerHost, _},
             , keepalive = emqx_keepalive:init(maps:get(heartbeat, Config))
             }.
 
+is_authenticator_enabled(Cfg) ->
+    case maps:get(authenticator, Cfg, #{enable => false}) of
+        AuthCfg when is_map(AuthCfg) ->
+            maps:get(enable, AuthCfg, true);
+        _ -> false
+    end.
+
 validator(Type, Topic, #exec_ctx{ctx = Ctx,
                                  clientinfo = ClientInfo}) ->
     emqx_gateway_ctx:authorize(Ctx, ClientInfo, Type, Topic).
@@ -290,7 +297,7 @@ handle_result(_, _, _, Channel) ->
     {ok, Channel}.
 
 check_auth_state(Msg, #channel{config = Cfg} = Channel) ->
-    #{authentication := #{enable := Enable}} = Cfg,
+    Enable = is_authenticator_enabled(Cfg),
     check_token(Enable, Msg, Channel).
 
 check_token(true,

apps/emqx_gateway/src/emqx_gateway.app.src

@@ -3,7 +3,7 @@
   {vsn, "0.1.0"},
   {registered, []},
   {mod, {emqx_gateway_app, []}},
-  {applications, [kernel, stdlib, grpc, lwm2m_coap, emqx]},
+  {applications, [kernel, stdlib, grpc, lwm2m_coap, emqx, emqx_authn]},
   {env, []},
   {modules, []},
   {licenses, ["Apache 2.0"]},

apps/emqx_gateway/src/emqx_gateway_schema.erl

@@ -1,5 +1,23 @@
+%%--------------------------------------------------------------------
+%% Copyright (c) 2021 EMQ Technologies Co., Ltd. All Rights Reserved.
+%%
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%%     http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
+%%--------------------------------------------------------------------
+
 -module(emqx_gateway_schema).
 
+-behaviour(hocon_schema).
+
 -dialyzer(no_return).
 -dialyzer(no_match).
 -dialyzer(no_contracts).
@@ -8,17 +26,16 @@
 
 -include_lib("typerefl/include/types.hrl").
 
+-type ip_port() :: tuple().
 -type duration() :: integer().
 -type bytesize() :: integer().
 -type comma_separated_list() :: list().
--type ip_port() :: tuple().
 
+-typerefl_from_string({ip_port/0, emqx_schema, to_ip_port}).
 -typerefl_from_string({duration/0, emqx_schema, to_duration}).
 -typerefl_from_string({bytesize/0, emqx_schema, to_bytesize}).
--typerefl_from_string({comma_separated_list/0, emqx_schema, to_comma_separated_list}).
+-typerefl_from_string({comma_separated_list/0, emqx_schema,
--typerefl_from_string({ip_port/0, emqx_schema, to_ip_port}).
+                       to_comma_separated_list}).
-
--behaviour(hocon_schema).
 
 -reflect_type([ duration/0
               , bytesize/0
@@ -27,11 +44,15 @@
               ]).
 
 -export([structs/0 , fields/1]).
+
 -export([t/1, t/3, t/4, ref/1]).
 
-structs() -> ["gateway"].
+%%--------------------------------------------------------------------
+%% Structs
 
-fields("gateway") ->
+structs() -> [gateway].
+
+fields(gateway) ->
     [{stomp, t(ref(stomp_structs))},
      {mqttsn, t(ref(mqttsn_structs))},
      {coap, t(ref(coap_structs))},
@@ -43,7 +64,7 @@ fields(stomp_structs) ->
     [ {frame, t(ref(stomp_frame))}
     , {clientinfo_override, t(ref(clientinfo_override))}
     , {authenticator,  t(authenticator(), undefined, undefined)}
-    , {listener, t(ref(tcp_listener_group))}
+    , {listeners, t(ref(tcp_listener_group))}
     ];
 
 fields(stomp_frame) ->
@@ -61,11 +82,10 @@ fields(mqttsn_structs) ->
     , {predefined, hoconsc:array(ref(mqttsn_predefined))}
     , {clientinfo_override, t(ref(clientinfo_override))}
     , {authenticator,  t(authenticator(), undefined, undefined)}
-    , {listener, t(ref(udp_listener_group))}
+    , {listeners, t(ref(udp_listener_group))}
     ];
 
 fields(mqttsn_predefined) ->
-    %% FIXME: How to check the $id is a integer ???
     [ {id, t(integer())}
     , {topic, t(string())}
     ];
@@ -80,18 +100,18 @@ fields(lwm2m_structs) ->
     , {update_msg_publish_condition, t(union([always, contains_object_list]))}
     , {translators, t(ref(translators))}
     , {authenticator,  t(authenticator(), undefined, undefined)}
-    , {listener, t(ref(udp_listener_group))}
+    , {listeners, t(ref(udp_listener_group))}
     ];
 
 fields(exproto_structs) ->
     [ {server, t(ref(exproto_grpc_server))}
     , {handler, t(ref(exproto_grpc_handler))}
     , {authenticator,  t(authenticator(), undefined, undefined)}
-    , {listener, t(ref(udp_tcp_listener_group))}
+    , {listeners, t(ref(udp_tcp_listener_group))}
     ];
 
 fields(exproto_grpc_server) ->
-    [ {bind, t(integer())}
+    [ {bind, t(union(ip_port(), integer()))}
       %% TODO: ssl options
     ];
 
@@ -139,9 +159,7 @@ fields(dtls_listener) ->
     [ {"$name", t(ref(dtls_listener_settings))}];
 
 fields(listener_settings) ->
-    % FIXME:
+    [ {bind, t(union(ip_port(), integer()))}
-    %[ {"bind", t(union(ip_port(), integer()))}
-    [ {bind, t(integer())}
     , {acceptors, t(integer(), undefined, 8)}
     , {max_connections, t(integer(), undefined, 1024)}
     , {max_conn_rate, t(integer())}
@@ -203,7 +221,7 @@ fields(coap_structs) ->
     , {subscribe_qos, t(union([qos0, qos1, qos2, coap]), undefined, coap)}
     , {publish_qos, t(union([qos0, qos1, qos2, coap]), undefined, coap)}
     , {authenticator,  t(authenticator(), undefined, undefined)}
-    , {listener, t(ref(udp_listener_group))}
+    , {listeners, t(ref(udp_listener_group))}
     ];
 
 fields(ExtraField) ->

apps/emqx_gateway/src/emqx_gateway_utils.erl

@@ -17,6 +17,8 @@
 %% @doc Utils funcs for emqx-gateway
 -module(emqx_gateway_utils).
 
+-include("emqx_gateway.hrl").
+
 -export([ childspec/2
         , childspec/3
         , childspec/4
@@ -105,15 +107,6 @@ format_listenon({Addr, Port}) when is_list(Addr) ->
 format_listenon({Addr, Port}) when is_tuple(Addr) ->
     io_lib:format("~s:~w", [inet:ntoa(Addr), Port]).
 
--type listener() :: #{}.
-
--type rawconf() ::
-        #{ clientinfo_override => #{}
-         , authenticators      := list()
-         , listeners           => listener()
-         , atom()              => any()
-         }.
-
 -spec normalize_rawconf(rawconf())
     -> list({ Type :: udp | tcp | ssl | dtls
             , ListenOn :: esockd:listen_on()
@@ -121,8 +114,8 @@ format_listenon({Addr, Port}) when is_tuple(Addr) ->
             , Cfg :: map()
             }).
 normalize_rawconf(RawConf) ->
-    LisMap = maps:get(listener, RawConf, #{}),
+    LisMap = maps:get(listeners, RawConf, #{}),
-    Cfg0 = maps:without([listener], RawConf),
+    Cfg0 = maps:without([listeners], RawConf),
     lists:append(maps:fold(fun(Type, Liss, AccIn1) ->
         Listeners =
             maps:fold(fun(_Name, Confs, AccIn2) ->