%-*-Mode:erlang;coding:utf-8;tab-width:4;c-basic-offset:4;indent-tabs-mode:()-*- % ex: set ft=erlang fenc=utf-8 sts=4 ts=4 sw=4 et nomod: %%% %%%------------------------------------------------------------------------ %%% @doc %%% ==CloudI Application Supervisor== %%% @end %%% %%% MIT License %%% %%% Copyright (c) 2009-2021 Michael Truog %%% %%% Permission is hereby granted, free of charge, to any person obtaining a %%% copy of this software and associated documentation files (the "Software"), %%% to deal in the Software without restriction, including without limitation %%% the rights to use, copy, modify, merge, publish, distribute, sublicense, %%% and/or sell copies of the Software, and to permit persons to whom the %%% Software is furnished to do so, subject to the following conditions: %%% %%% The above copyright notice and this permission notice shall be included in %%% all copies or substantial portions of the Software. %%% %%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR %%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, %%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE %%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER %%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING %%% FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER %%% DEALINGS IN THE SOFTWARE. %%% %%% @author Michael Truog %%% @copyright 2009-2021 Michael Truog %%% @version 2.0.2 {@date} {@time} %%%------------------------------------------------------------------------ -module(cloudi_core_i_sup). -author('mjtruog at protonmail dot com'). -behaviour(supervisor). %% external interface -export([start_link/1]). %% supervisor callbacks -export([init/1]). -include("cloudi_core_i_configuration.hrl"). -include("cloudi_core_i_constants.hrl"). %%%------------------------------------------------------------------------ %%% External interface functions %%%------------------------------------------------------------------------ %%------------------------------------------------------------------------- %% @doc %% ===Start the CloudI application supervisor.=== %% @end %%------------------------------------------------------------------------- -spec start_link(Config :: #config{}) -> {'ok', pid()} | {'error', any()}. start_link(Config) when is_record(Config, config) -> case supervisor:start_link(?MODULE, [Config]) of {ok, Pid} = Success -> case cloudi_core_i_configurator:configure() of ok -> Success; {error, _} = Error -> erlang:exit(Pid, configure_failed), Error end; {error, _} = Error -> Error end. %%%------------------------------------------------------------------------ %%% Callback functions from supervisor %%%------------------------------------------------------------------------ -ifdef(CLOUDI_CORE_STANDALONE). -define(CHILDSPECS, [child_specification(cloudi_core_i_logger_sup, Config), child_specification(cloudi_core_i_logger, Config), child_specification(cloudi_core_i_nodes, Config), child_specification(cloudi_core_i_services_monitor), child_specification(cloudi_core_i_services_internal_sup), child_specification(cloudi_core_i_configurator, Config), child_specification(cloudi_core_i_services_internal_reload)]). -define(CHECK, (is_tuple(child_specification(cloudi_core_i_services_external_sup)) andalso is_tuple(child_specification(?OS_SPAWN_POOL)) andalso is_tuple(child_specification(?OS_COMMAND_POOL)))). -else. -define(CHILDSPECS, [child_specification(cloudi_core_i_logger_sup, Config), child_specification(cloudi_core_i_logger, Config), child_specification(cloudi_core_i_nodes, Config), child_specification(?OS_SPAWN_POOL), child_specification(?OS_COMMAND_POOL), child_specification(cloudi_core_i_services_monitor), child_specification(cloudi_core_i_services_external_sup), child_specification(cloudi_core_i_services_internal_sup), child_specification(cloudi_core_i_configurator, Config), child_specification(cloudi_core_i_services_internal_reload)]). -define(CHECK, true). -endif. init([Config]) when is_record(Config, config) -> true = ?CHECK, MaxRestarts = 0, MaxTime = 1, {ok, {{one_for_all, MaxRestarts, MaxTime}, ?CHILDSPECS}}. %%%------------------------------------------------------------------------ %%% Private functions %%%------------------------------------------------------------------------ child_specification(cloudi_core_i_logger_sup, Config) -> {cloudi_core_i_logger_sup, {cloudi_core_i_logger_sup, start_link, [Config]}, permanent, infinity, supervisor, [cloudi_core_i_logger_sup]}; child_specification(cloudi_core_i_logger, Config) -> Shutdown = 2000, % milliseconds {cloudi_core_i_logger, {cloudi_core_i_logger, start_link, [Config]}, permanent, Shutdown, worker, [cloudi_core_i_logger]}; child_specification(cloudi_core_i_nodes, Config) -> Shutdown = 2000, % milliseconds {cloudi_core_i_nodes, {cloudi_core_i_nodes, start_link, [Config]}, permanent, Shutdown, worker, [cloudi_core_i_nodes]}; child_specification(cloudi_core_i_configurator, Config) -> Shutdown = 2000, % milliseconds {cloudi_core_i_configurator, {cloudi_core_i_configurator, start_link, [Shutdown, Config]}, permanent, Shutdown, worker, [cloudi_core_i_configurator]}. child_specification(?OS_SPAWN_POOL = OSSpawnPool) -> Shutdown = 2000, % milliseconds {OSSpawnPool, {supool_sup, start_link, [OSSpawnPool, os_process_count(), {undefined, {cloudi_core_i_os_spawn, start_link, []}, permanent, Shutdown, worker, [cloudi_core_i_os_spawn]}, []]}, permanent, infinity, supervisor, [supool_sup]}; child_specification(?OS_COMMAND_POOL = OSCommandPool) -> Shutdown = 2000, % milliseconds {OSCommandPool, {supool_sup, start_link, [OSCommandPool, os_process_count(), {undefined, {cloudi_core_i_os_command, start_link, []}, permanent, Shutdown, worker, [cloudi_core_i_os_command]}, []]}, permanent, infinity, supervisor, [supool_sup]}; child_specification(cloudi_core_i_services_monitor) -> Shutdown = 2000, % milliseconds {cloudi_core_i_services_monitor, {cloudi_core_i_services_monitor, start_link, []}, permanent, Shutdown, worker, [cloudi_core_i_services_monitor]}; child_specification(cloudi_core_i_services_external_sup) -> {cloudi_core_i_services_external_sup, {cloudi_core_i_services_external_sup, start_link, []}, permanent, infinity, supervisor, [cloudi_core_i_services_external_sup]}; child_specification(cloudi_core_i_services_internal_sup) -> {cloudi_core_i_services_internal_sup, {cloudi_core_i_services_internal_sup, start_link, []}, permanent, infinity, supervisor, [cloudi_core_i_services_internal_sup]}; child_specification(cloudi_core_i_services_internal_reload) -> Shutdown = 2000, % milliseconds {cloudi_core_i_services_internal_reload, {cloudi_core_i_services_internal_reload, start_link, []}, permanent, Shutdown, worker, [cloudi_core_i_services_internal_reload]}. os_process_count() -> erlang:system_info(schedulers).