emeter

%%% ------------------------------------------------------------------------------------------------
%%% "Emeter" is available for use under the following license, commonly known as the 3-clause (or
%%% "modified") BSD license:
%%%
%%% Copyright (c) 2018-2019, Pouriya Jahanbakhsh
%%% (pouriya.jahanbakhsh@gmail.com)
%%% All rights reserved.
%%%
%%% Redistribution and use in source and binary forms, with or without modification, are permitted
%%% provided that the following conditions are met:
%%%
%%% 1. Redistributions of source code must retain the above copyright notice, this list of
%%%    conditions and the following disclaimer.
%%%
%%% 2. Redistributions in binary form must reproduce the above copyright notice, this list of
%%%    conditions and the following disclaimer in the documentation and/or other materials provided
%%%    with the distribution.
%%%
%%% 3. Neither the name of the copyright holder nor the names of its contributors may be used to
%%%    endorse or promote products derived from this software without specific prior written
%%%    permission.
%%%
%%% THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
%%% IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
%%% FITNESS FOR A  PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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%%% ------------------------------------------------------------------------------------------------
%% @author   Pouriya Jahanbakhsh <pouriya.jahanbakhsh@gmail.com>
%% @version
%% @doc
%%
%% @end
%% -------------------------------------------------------------------------------------------------
-module(emeter_sup).
-author("pouriya.jahanbakhsh@gmail.com").
-behavior(director).
%% -------------------------------------------------------------------------------------------------
%% Exports:

%% API:
-export([start_link/0]).

%% 'director' callbacks:
-export([init/1
        ,handle_start/4
        ,handle_exit/5
        ,handle_terminate/5
        ,terminate/2]).

%% -------------------------------------------------------------------------------------------------
%% Records & Macros & Includes:

-define(PROC, ?MODULE).

%% -------------------------------------------------------------------------------------------------
%% API:

start_link() ->
    director:start_link({local, ?PROC}, ?MODULE, undefined).

%% -------------------------------------------------------------------------------------------------
%% 'director' callbacks:


init(_) -> % (undefined)
    {ok, undefined, [#{id => emeter_node_sup, start => emeter_node_sup}
                    ,#{id => emeter_page, start => emeter_page}
                    ,#{id => emeter_plugin_sup
                      ,start => emeter_plugin_sup
                      ,type => w
                      ,terminate_timeout => infinity}
                    ,#{id => emeter_plugin
                      ,start => emeter_plugin
                      ,type => w
                      ,terminate_timeout => infinity}]}.


handle_start(_, Chs, S, _) ->
    {ok, Chs, S, []}.


handle_exit(_, Chs, _, S, _) ->
    {stop, Chs, S, []}.


handle_terminate(_, Chs, _, S, _) ->
    {ok, Chs, S, []}.


terminate(_, _) ->
    ok.