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eflambe

0.2.5
0.3.2 0.3.1 0.3.0 0.2.5 0.2.4 0.2.3 0.2.2 0.2.1 0.2.0

A tool for rapid profiling of Erlang and Elixir applications.

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eflambe src eflambe_sup.erl
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src/eflambe_sup.erl 

%%%-------------------------------------------------------------------

%% @doc eflambe top level supervisor.

%% @end

%%%-------------------------------------------------------------------



-module(eflambe_sup).



-behaviour(supervisor).



% API

-export([start_link/0, get_or_start_server/0]).



%% supervisor callbacks

-export([init/1]).



-define(SERVER, ?MODULE).



-spec start_link() -> {ok, pid()} | ignore | {error, Error :: any()}.



start_link() ->

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



-spec get_or_start_server() -> {ok, pid()}.



get_or_start_server() ->

    case supervisor:restart_child(?SERVER, eflambe_server) of

        {error, running} ->

            {ok, whereis(eflambe_server)};

        {ok, Server} -> {ok, Server}

    end.



%%%===================================================================

%%% supervisor callbacks

%%%===================================================================



init([]) ->

    SupFlags = #{strategy => one_for_one,

                 intensity => 1,

                 period => 5},



    ChildSpecs = [#{id => eflambe_server,

                    start => {eflambe_server, start_link, []},

                    restart => temporary,

                    shutdown => brutal_kill,

                    type => worker,

                    modules => [eflambe_server]}],



    {ok, {SupFlags, ChildSpecs}}.