60 lines
1.9 KiB
Erlang
60 lines
1.9 KiB
Erlang
%%--------------------------------------------------------------------
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%% Copyright (c) 2020 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_exhook_sup).
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-behaviour(supervisor).
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-export([ start_link/0
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, init/1
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]).
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-export([ start_grpc_client_channel/3
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, stop_grpc_client_channel/1
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]).
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%%--------------------------------------------------------------------
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%% Supervisor APIs & Callbacks
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%%--------------------------------------------------------------------
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start_link() ->
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supervisor:start_link({local, ?MODULE}, ?MODULE, []).
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init([]) ->
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{ok, {{one_for_one, 10, 100}, []}}.
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%%--------------------------------------------------------------------
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%% APIs
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%%--------------------------------------------------------------------
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-spec start_grpc_client_channel(
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string(),
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uri_string:uri_string(),
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grpc_client:options()) -> {ok, pid()} | {error, term()}.
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start_grpc_client_channel(Name, SvrAddr, Options) ->
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grpc_client_sup:create_channel_pool(Name, SvrAddr, Options).
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-spec stop_grpc_client_channel(string()) -> ok.
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stop_grpc_client_channel(Name) ->
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%% Avoid crash due to hot-upgrade had unloaded
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%% grpc application
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try
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grpc_client_sup:stop_channel_pool(Name)
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catch
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_:_:_ ->
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ok
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end.
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