105 lines
3.0 KiB
Erlang
105 lines
3.0 KiB
Erlang
%%--------------------------------------------------------------------
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%% Copyright (c) 2021-2023 EMQ Technologies Co., Ltd. All Rights Reserved.
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%%
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%% Licensed under the Apache License, Version 2.0 (the "License");
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%% you may not use this file except in compliance with the License.
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%% You may obtain a copy of the License at
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%%
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%% http://www.apache.org/licenses/LICENSE-2.0
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%%
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%% Unless required by applicable law or agreed to in writing, software
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%% distributed under the License is distributed on an "AS IS" BASIS,
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%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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%% See the License for the specific language governing permissions and
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%% limitations under the License.
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%%--------------------------------------------------------------------
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-module(emqx_gateway_app).
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-behaviour(application).
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-include_lib("emqx/include/logger.hrl").
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-export([start/2, stop/1]).
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-elvis([{elvis_style, invalid_dynamic_call, disable}]).
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start(_StartType, _StartArgs) ->
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{ok, Sup} = emqx_gateway_sup:start_link(),
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emqx_gateway_cli:load(),
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load_default_gateway_applications(),
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load_gateway_by_default(),
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emqx_gateway_conf:load(),
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{ok, Sup}.
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stop(_State) ->
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emqx_gateway_conf:unload(),
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emqx_gateway_cli:unload(),
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ok.
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%%--------------------------------------------------------------------
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%% Internal funcs
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load_default_gateway_applications() ->
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Apps = gateway_type_searching(),
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lists:foreach(fun reg/1, Apps).
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gateway_type_searching() ->
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%% FIXME: Hardcoded apps
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[
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emqx_stomp_impl,
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emqx_sn_impl,
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emqx_exproto_impl,
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emqx_coap_impl,
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emqx_lwm2m_impl
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].
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reg(Mod) ->
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try
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Mod:reg(),
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?SLOG(debug, #{
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msg => "register_gateway_succeed",
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callback_module => Mod
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})
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catch
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Class:Reason:Stk ->
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?SLOG(error, #{
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msg => "failed_to_register_gateway",
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callback_module => Mod,
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reason => {Class, Reason},
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stacktrace => Stk
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})
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end.
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load_gateway_by_default() ->
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load_gateway_by_default(confs()).
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load_gateway_by_default([]) ->
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ok;
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load_gateway_by_default([{Type, Confs} | More]) ->
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case emqx_gateway_registry:lookup(Type) of
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undefined ->
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?SLOG(error, #{
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msg => "skip_to_load_gateway",
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gateway_name => Type
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});
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_ ->
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case emqx_gateway:load(Type, Confs) of
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{ok, _} ->
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?SLOG(debug, #{
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msg => "load_gateway_succeed",
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gateway_name => Type
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});
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{error, Reason} ->
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?SLOG(error, #{
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msg => "load_gateway_failed",
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gateway_name => Type,
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reason => Reason
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})
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end
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end,
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load_gateway_by_default(More).
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confs() ->
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maps:to_list(emqx_conf:get([gateway], #{})).
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