modules/erl/euphorik_daemon.erl

   1 % coding: utf-8
   2 % Copyright 2008 Grégory Burri
   3 %
   4 % This file is part of Euphorik.
   5 %
   6 % Euphorik is free software: you can redistribute it and/or modify
   7 % it under the terms of the GNU General Public License as published by
   8 % the Free Software Foundation, either version 3 of the License, or
   9 % (at your option) any later version.
  10 %
  11 % Euphorik is distributed in the hope that it will be useful,
  12 % but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 % MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 % GNU General Public License for more details.
  15 %
  16 % You should have received a copy of the GNU General Public License
  17 % along with Euphorik.  If not, see <http://www.gnu.org/licenses/>.
  18 %
  19 % Module tournant en background s'occupant periodiquement de certaines tâches :
  20 %  - rechargement des modules lors d'une mise en production
  21
  22
  23 -module(euphorik_daemon).
  24 -author("Greg Burri <greg.burri@gmail.com>").
  25 -export([start/1, reload_euphorik/0, loop/0]).
  26 -include("../include/euphorik_defines.hrl").
  27
  28
  29 % Démarre le démon
  30 start(_A) ->
  31    register(euphorik_daemon, self()),
  32    loop().
  33
  34
  35 loop() ->
  36    receive
  37       switch -> % To reload a new code, see 'reload_euphorik/0'.
  38          euphorik_daemon:loop()
  39    end.
  40
  41 % Recharge tous les modules euphorik.
  42 % Appelé lors d'une mise en prod.
  43 % TODO : récupérer les noms à partir des .beam dans /modules/ebin
  44 reload_euphorik() ->
  45    lists:foreach(
  46       fun(M) ->
  47          c:l(M) % (purge & load)
  48       end,
  49       [
  50          euphorik_common,
  51          euphorik_minichat_conversation,
  52          euphorik_protocole,
  53          euphorik_requests,
  54          euphorik_bd,
  55          euphorik_bd_admin,
  56          euphorik_daemon
  57       ]
  58    ),
  59    % changement du code du daemon
  60    euphorik_daemon ! switch,
  61    ok.