chore: fix dialyzer warnings

apps/emqx_coap/src/emqx_coap.app.src

@@ -2,7 +2,7 @@
     {description, "CoAP Gateway"},
     {vsn, "0.1.0"},
     {registered, []},
-    {applications, [kernel, stdlib]},
+    {applications, [kernel, stdlib, emqx_gateway]},
     {env, []},
     {modules, []},
     {licenses, ["Apache 2.0"]},

apps/emqx_gateway/include/emqx_gateway.hrl

@@ -37,4 +37,11 @@
         config => emqx_config:config()
     }.
 
+-type gateway_def() ::
+    #{
+        name := gateway_name(),
+        callback_module := module(),
+        config_schema_module := module()
+     }.
+
 -endif.

apps/emqx_gateway/src/emqx_gateway_app.erl

@@ -80,7 +80,11 @@ load_gateway_application(
                 name => Name,
                 callback_module => CbMod
             })
-    end.
+    end;
+load_gateway_application(_) ->
+    ?SLOG(error, #{
+        msg => "invalid_gateway_defination"
+    }).
 
 load_gateway_by_default() ->
     load_gateway_by_default(confs()).

apps/emqx_gateway/src/emqx_gateway_utils.erl

@@ -564,6 +564,7 @@ make_compatible_schema2(Path, SchemaFun) ->
         Schema
     ).
 
+-spec find_gateway_definations() -> list(gateway_def()).
 find_gateway_definations() ->
     lists:flatten(
         lists:map(

apps/emqx_gateway/src/lwm2m/emqx_lwm2m_channel.erl

@@ -17,7 +17,7 @@
 -module(emqx_lwm2m_channel).
 
 -include_lib("emqx/include/logger.hrl").
--include("src/coap/include/emqx_coap.hrl").
+-include_lib("emqx_coap/include/emqx_coap.hrl").
 -include("src/lwm2m/include/emqx_lwm2m.hrl").
 
 %% API

apps/emqx_gateway/src/lwm2m/emqx_lwm2m_cmd.erl

@@ -17,7 +17,7 @@
 -module(emqx_lwm2m_cmd).
 
 -include_lib("emqx/include/logger.hrl").
--include("src/coap/include/emqx_coap.hrl").
+-include_lib("emqx_coap/include/emqx_coap.hrl").
 -include("src/lwm2m/include/emqx_lwm2m.hrl").
 
 -export([

apps/emqx_gateway/src/lwm2m/emqx_lwm2m_session.erl

@@ -15,12 +15,12 @@
 %%--------------------------------------------------------------------
 -module(emqx_lwm2m_session).
 
--include("src/coap/include/emqx_coap.hrl").
 -include("src/lwm2m/include/emqx_lwm2m.hrl").
 -include_lib("emqx/include/logger.hrl").
 -include_lib("emqx/include/emqx.hrl").
 -include_lib("emqx/include/emqx_mqtt.hrl").
 -include_lib("snabbkaffe/include/snabbkaffe.hrl").
+-include_lib("emqx_coap/include/emqx_coap.hrl").
 
 %% API
 -export([

apps/emqx_mqttsn/src/emqx_mqttsn.app.src

@@ -2,7 +2,7 @@
     {description, "MQTT-SN Gateway"},
     {vsn, "0.1.0"},
     {registered, []},
-    {applications, [kernel, stdlib]},
+    {applications, [kernel, stdlib, emqx_gateway]},
     {env, []},
     {modules, []},
     {licenses, ["Apache 2.0"]},

apps/emqx_stomp/src/emqx_stomp.app.src

@@ -2,7 +2,7 @@
     {description, "Stomp Gateway"},
     {vsn, "0.1.0"},
     {registered, []},
-    {applications, [kernel, stdlib]},
+    {applications, [kernel, stdlib, emqx_gateway]},
     {env, []},
     {modules, []},
     {licenses, ["Apache 2.0"]},