58 lines
2.2 KiB
Erlang
58 lines
2.2 KiB
Erlang
%% @author Loïc Hoguin <essen@dev-extend.eu>
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%% @copyright 2010 Loïc Hoguin.
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%% @doc Supervisor for the egs application.
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%%
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%% This file is part of EGS.
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%%
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%% EGS is free software: you can redistribute it and/or modify
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%% it under the terms of the GNU General Public License as published by
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%% the Free Software Foundation, either version 3 of the License, or
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%% (at your option) any later version.
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%%
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%% EGS is distributed in the hope that it will be useful,
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%% but WITHOUT ANY WARRANTY; without even the implied warranty of
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%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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%% GNU General Public License for more details.
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%%
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%% You should have received a copy of the GNU General Public License
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%% along with EGS. If not, see <http://www.gnu.org/licenses/>.
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-module(egs_sup).
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-behaviour(supervisor).
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-export([init/1]). %% Supervisor callbacks.
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-export([start_link/0, upgrade/0]). %% Other functions.
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-include("include/network.hrl").
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%% @spec start_link() -> ServerRet
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%% @doc API for starting the supervisor.
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start_link() ->
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supervisor:start_link({local, ?MODULE}, ?MODULE, []).
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%% @spec upgrade() -> ok
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%% @doc Add processes if necessary.
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upgrade() ->
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{ok, {_, Specs}} = init([]),
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Old = sets:from_list(
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[Name || {Name, _, _, _} <- supervisor:which_children(?MODULE)]),
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New = sets:from_list([Name || {Name, _, _, _, _, _} <- Specs]),
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Kill = sets:subtract(Old, New),
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sets:fold(fun (Id, ok) ->
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supervisor:terminate_child(?MODULE, Id),
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supervisor:delete_child(?MODULE, Id),
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ok
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end, ok, Kill),
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[supervisor:start_child(?MODULE, Spec) || Spec <- Specs],
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ok.
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%% @spec init([]) -> SupervisorTree
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%% @doc supervisor callback.
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init([]) ->
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%% Start egs_cron, egs_game, egs_login, egs_patch. To be replaced by configurable modules.
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Processes = [{egs_cron, {egs_cron, start, []}, permanent, 5000, worker, dynamic},
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{egs_game, {egs_game, start, []}, permanent, 5000, worker, dynamic},
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{egs_login, {egs_login, start, []}, permanent, 5000, worker, dynamic},
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{psu_patch_jp, {psu_patch, start_link, [?PATCH_PORT_JP]}, permanent, 5000, worker, dynamic},
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{psu_patch_us, {psu_patch, start_link, [?PATCH_PORT_US]}, permanent, 5000, worker, dynamic}],
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{ok, {{one_for_one, 10, 10}, Processes}}.
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