wolff

%% Copyright (c) 2018 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(wolff_sup).

-behaviour(supervisor).

-include("wolff.hrl").

-export([start_link/0, init/1]).

start_link() -> supervisor:start_link({local, ?MODULE}, ?MODULE, []).

init([]) ->
  SupFlags = #{strategy => one_for_all,
               intensity => 10,
               period => 5},
  Children = [stats_worker(), client_sup(), producers_sup()],
  ets:new(?WOLFF_PRODUCERS_GLOBAL_TABLE, [named_table, public, ordered_set, {read_concurrency, true}]),
  {ok, {SupFlags, Children}}.

stats_worker() ->
  #{id => wolff_stats,
    start => {wolff_stats, start_link, []},
    restart => permanent,
    shutdown => 2000,
    type => worker,
    modules => [wolff_stats]
   }.

client_sup() ->
  #{id => wolff_client_sup,
    start => {wolff_client_sup, start_link, []},
    restart => permanent,
    shutdown => 5000,
    type => supervisor,
    modules => [wolff_client_sup]
   }.

producers_sup() ->
  #{id => wolff_producers_sup,
    start => {wolff_producers_sup, start_link, []},
    restart => permanent,
    shutdown => 5000,
    type => supervisor,
    modules => [wolff_producers_sup]
   }.