% coding: utf-8
% Copyright 2008 Grégory Burri
%
% This file is part of Euphorik.
%
% Euphorik is free software: you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation, either version 3 of the License, or
% (at your option) any later version.
%
% Euphorik is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
% GNU General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with Euphorik.  If not, see <http://www.gnu.org/licenses/>.
%
% Module tournant en background s'occupant periodiquement de certaines tâches :
%  - rechargement des modules lors d'une mise en production


-module(euphorik_daemon).
-author("Greg Burri <greg.burri@gmail.com>").
-export([start/1, reload_euphorik/0, loop/0]).
-include("../include/euphorik_defines.hrl").


% Démarre le démon
start(_A) ->
   register(euphorik_daemon, self()),
   loop().


loop() ->
   receive
      switch -> % To reload a new code, see 'reload_euphorik/0'.
         euphorik_daemon:loop()
   end.

% Recharge tous les modules euphorik.
% Appelé lors d'une mise en prod.
% TODO : récupérer les noms à partir des .beam dans /modules/ebin
reload_euphorik() ->
   lists:foreach(
      fun(M) ->
         c:l(M) % (purge & load)
      end,
      [
         euphorik_common,
         euphorik_minichat_conversation,
         euphorik_protocole,
         euphorik_requests,
         euphorik_bd,
         euphorik_bd_admin,
         euphorik_daemon
      ]
   ),
   % changement du code du daemon
   euphorik_daemon ! switch,
   ok.