emqx/apps/emqx_ft/src/emqx_ft_assembler_sup.erl

48 lines
1.5 KiB
Erlang

%%--------------------------------------------------------------------
%% Copyright (c) 2023-2024 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_ft_assembler_sup).
-export([start_link/0]).
-export([ensure_child/4]).
-behaviour(supervisor).
-export([init/1]).
start_link() ->
supervisor:start_link({local, ?MODULE}, ?MODULE, []).
ensure_child(Storage, Transfer, Size, Opts) ->
Childspec = #{
id => Transfer,
start => {emqx_ft_assembler, start_link, [Storage, Transfer, Size, Opts]},
restart => temporary
},
case supervisor:start_child(?MODULE, Childspec) of
{ok, Pid} ->
{ok, Pid};
{error, {already_started, Pid}} ->
{ok, Pid}
end.
init(_) ->
SupFlags = #{
strategy => one_for_one,
intensity => 10,
period => 1000
},
{ok, {SupFlags, []}}.