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2168489ddf
When module's options were updated (e.g. by reloading ejabberd.yml) and, later, the module's process crashed, gen_mod supervisor restarts the process with outdated options. This is now fixed.
78 lines
2.8 KiB
Erlang
78 lines
2.8 KiB
Erlang
%%%----------------------------------------------------------------------
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%%% Created : 4 Jul 2019 by Evgeny Khramtsov <ekhramtsov@process-one.net>
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%%%
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%%%
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%%% ejabberd, Copyright (C) 2002-2019 ProcessOne
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%%%
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%%% This program is free software; you can redistribute it and/or
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%%% modify it under the terms of the GNU General Public License as
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%%% published by the Free Software Foundation; either version 2 of the
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%%% License, or (at your option) any later version.
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%%%
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%%% This program 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 GNU
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%%% 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 along
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%%% with this program; if not, write to the Free Software Foundation, Inc.,
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%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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%%%
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%%%----------------------------------------------------------------------
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-module(mod_muc_sup).
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-behaviour(supervisor).
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%% API
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-export([start/1, start_link/1, procname/1]).
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%% Supervisor callbacks
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-export([init/1]).
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%%%===================================================================
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%%% API functions
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%%%===================================================================
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start(Host) ->
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Spec = #{id => procname(Host),
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start => {?MODULE, start_link, [Host]},
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restart => permanent,
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shutdown => infinity,
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type => supervisor,
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modules => [?MODULE]},
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supervisor:start_child(ejabberd_gen_mod_sup, Spec).
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start_link(Host) ->
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Proc = procname(Host),
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supervisor:start_link({local, Proc}, ?MODULE, [Host]).
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-spec procname(binary()) -> atom().
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procname(Host) ->
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gen_mod:get_module_proc(Host, ?MODULE).
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%%%===================================================================
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%%% Supervisor callbacks
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%%%===================================================================
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init([Host]) ->
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Cores = erlang:system_info(logical_processors),
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Specs = lists:foldl(
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fun(I, Acc) ->
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[#{id => mod_muc:procname(Host, I),
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start => {mod_muc, start_link, [Host, I]},
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restart => permanent,
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shutdown => timer:minutes(1),
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type => worker,
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modules => [mod_muc]}|Acc]
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end, [room_sup_spec(Host)], lists:seq(1, Cores)),
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{ok, {{one_for_one, 10*Cores, 1}, Specs}}.
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%%%===================================================================
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%%% Internal functions
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%%%===================================================================
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-spec room_sup_spec(binary()) -> supervisor:child_spec().
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room_sup_spec(Host) ->
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Name = mod_muc_room:supervisor(Host),
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#{id => Name,
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start => {ejabberd_tmp_sup, start_link, [Name, mod_muc_room]},
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restart => permanent,
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shutdown => infinity,
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type => supervisor,
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modules => [ejabberd_tmp_sup]}.
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