2002-11-18 21:39:47 +01:00
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%%%----------------------------------------------------------------------
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%%% File : ejabberd.erl
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2007-12-24 12:41:41 +01:00
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%%% Author : Alexey Shchepin <alexey@process-one.net>
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%%% Purpose : ejabberd wrapper: start / stop
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%%% Created : 16 Nov 2002 by Alexey Shchepin <alexey@process-one.net>
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%%%
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%%%
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2020-01-28 13:34:02 +01:00
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%%% ejabberd, Copyright (C) 2002-2020 ProcessOne
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2007-12-24 12:41:41 +01:00
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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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2009-01-12 15:44:42 +01:00
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%%%
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2014-02-22 11:27:40 +01:00
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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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2007-12-24 12:41:41 +01:00
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%%%
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2002-11-18 21:39:47 +01:00
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%%%----------------------------------------------------------------------
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-module(ejabberd).
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2007-12-24 12:41:41 +01:00
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-author('alexey@process-one.net').
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2018-03-29 11:14:31 +02:00
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-compile({no_auto_import, [{halt, 0}]}).
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2002-11-18 21:39:47 +01:00
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2015-06-22 13:11:11 +02:00
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-protocol({xep, 4, '2.9'}).
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-protocol({xep, 86, '1.0'}).
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-protocol({xep, 106, '1.1'}).
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-protocol({xep, 170, '1.0'}).
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-protocol({xep, 205, '1.0'}).
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-protocol({xep, 212, '1.0'}).
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-protocol({xep, 216, '1.0'}).
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-protocol({xep, 243, '1.0'}).
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-protocol({xep, 270, '1.0'}).
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2018-03-29 11:14:31 +02:00
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-export([start/0, stop/0, halt/0, start_app/1, start_app/2,
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2019-06-14 11:33:26 +02:00
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get_pid_file/0, check_apps/0, module_name/1, is_loaded/0]).
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2013-04-08 11:12:54 +02:00
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-include("logger.hrl").
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2003-01-14 18:38:03 +01:00
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2002-11-18 21:39:47 +01:00
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start() ->
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2019-01-09 18:14:50 +01:00
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application:ensure_all_started(ejabberd).
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2002-11-20 21:19:20 +01:00
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2003-02-01 21:21:28 +01:00
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stop() ->
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application:stop(ejabberd).
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2002-11-23 21:55:05 +01:00
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2018-03-29 11:14:31 +02:00
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halt() ->
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Replace lager with built-in new logging API
This change requires Erlang/OTP-21.0 or higher.
The commit also deprecates the following options:
- log_rotate_date
- log_rate_limit
Furthermore, these options have no effect. The logger now fully
relies on log_rotate_size, that cannot be 0 anymore.
The loglevel option now accepts levels in literal formats.
Those are: none, emergency, alert, critical, error, warning, notice, info, debug.
Old integer values (0-5) are still supported and automatically converted
into literal format.
2019-10-18 18:12:32 +02:00
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ejabberd_logger:flush(),
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2018-03-29 11:14:31 +02:00
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erlang:halt(1, [{flush, true}]).
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2009-08-24 23:21:04 +02:00
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%% @spec () -> false | string()
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get_pid_file() ->
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case os:getenv("EJABBERD_PID_PATH") of
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false ->
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false;
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"" ->
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false;
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Path ->
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Path
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end.
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2013-04-08 11:12:54 +02:00
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2013-07-06 18:11:01 +02:00
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start_app(App) ->
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start_app(App, temporary).
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start_app(App, Type) ->
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StartFlag = not is_loaded(),
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start_app(App, Type, StartFlag).
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is_loaded() ->
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Apps = application:which_applications(),
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lists:keymember(ejabberd, 1, Apps).
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2019-06-14 11:33:26 +02:00
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start_app(App, Type, StartFlag) when is_atom(App) ->
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2013-07-06 18:11:01 +02:00
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start_app([App], Type, StartFlag);
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start_app([App|Apps], Type, StartFlag) ->
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2015-07-30 12:57:59 +02:00
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case application:start(App,Type) of
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2013-04-08 11:12:54 +02:00
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ok ->
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2013-07-06 18:11:01 +02:00
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start_app(Apps, Type, StartFlag);
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2013-04-08 11:12:54 +02:00
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{error, {already_started, _}} ->
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2013-07-06 18:11:01 +02:00
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start_app(Apps, Type, StartFlag);
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2013-04-08 11:12:54 +02:00
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{error, {not_started, DepApp}} ->
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case lists:member(DepApp, [App|Apps]) of
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true ->
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2013-07-06 18:11:01 +02:00
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Reason = io_lib:format(
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2019-09-23 14:17:20 +02:00
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"Failed to start Erlang application '~ts': "
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"circular dependency with '~ts' detected",
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2013-07-06 18:11:01 +02:00
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[App, DepApp]),
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exit_or_halt(Reason, StartFlag);
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2013-04-08 11:12:54 +02:00
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false ->
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2013-07-06 18:11:01 +02:00
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start_app([DepApp,App|Apps], Type, StartFlag)
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2013-04-08 11:12:54 +02:00
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end;
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2019-06-14 11:33:26 +02:00
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{error, Why} ->
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Reason = io_lib:format(
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2019-09-23 14:17:20 +02:00
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"Failed to start Erlang application '~ts': ~ts. ~ts",
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2019-06-14 11:33:26 +02:00
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[App, format_error(Why), hint()]),
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2013-07-06 18:11:01 +02:00
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exit_or_halt(Reason, StartFlag)
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2013-04-08 11:12:54 +02:00
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end;
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2013-07-06 18:11:01 +02:00
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start_app([], _Type, _StartFlag) ->
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2013-04-08 11:12:54 +02:00
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ok.
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2013-07-06 18:11:01 +02:00
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check_app_modules(App, StartFlag) ->
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case application:get_key(App, modules) of
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{ok, Mods} ->
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lists:foreach(
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fun(Mod) ->
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case code:which(Mod) of
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non_existing ->
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File = get_module_file(App, Mod),
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Reason = io_lib:format(
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2019-09-23 14:17:20 +02:00
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"Couldn't find file ~ts needed "
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"for Erlang application '~ts'. ~ts",
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2019-06-14 11:33:26 +02:00
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[File, App, hint()]),
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2013-07-06 18:11:01 +02:00
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exit_or_halt(Reason, StartFlag);
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_ ->
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2019-06-14 11:33:26 +02:00
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ok
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2013-07-06 18:11:01 +02:00
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end
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end, Mods);
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_ ->
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%% No modules? This is strange
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ok
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end.
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2019-06-14 11:33:26 +02:00
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check_apps() ->
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spawn(
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fun() ->
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Apps = [ejabberd |
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[App || {App, _, _} <- application:which_applications(),
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App /= ejabberd]],
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2019-09-23 14:17:20 +02:00
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?DEBUG("Checking consistency of applications: ~ts",
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2019-06-14 11:33:26 +02:00
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[misc:join_atoms(Apps, <<", ">>)]),
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misc:peach(
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fun(App) ->
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check_app_modules(App, true)
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end, Apps),
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?DEBUG("All applications are intact", []),
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lists:foreach(fun erlang:garbage_collect/1, processes())
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end).
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-spec exit_or_halt(iodata(), boolean()) -> no_return().
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2013-07-06 18:11:01 +02:00
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exit_or_halt(Reason, StartFlag) ->
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?CRITICAL_MSG(Reason, []),
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if StartFlag ->
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%% Wait for the critical message is written in the console/log
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2018-03-29 11:14:31 +02:00
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halt();
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2013-07-06 18:11:01 +02:00
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true ->
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erlang:error(application_start_failed)
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end.
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get_module_file(App, Mod) ->
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BaseName = atom_to_list(Mod),
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case code:lib_dir(App, ebin) of
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{error, _} ->
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BaseName;
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Dir ->
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filename:join([Dir, BaseName ++ ".beam"])
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end.
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2017-10-31 11:04:32 +01:00
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2017-10-31 11:25:01 +01:00
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module_name([Dir, _, <<H,_/binary>> | _] = Mod) when H >= 65, H =< 90 ->
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2017-10-31 11:04:32 +01:00
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Module = str:join([elixir_name(M) || M<-tl(Mod)], <<>>),
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Prefix = case elixir_name(Dir) of
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<<"Ejabberd">> -> <<"Elixir.Ejabberd.">>;
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Lib -> <<"Elixir.Ejabberd.", Lib/binary, ".">>
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end,
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misc:binary_to_atom(<<Prefix/binary, Module/binary>>);
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module_name([<<"ejabberd">> | _] = Mod) ->
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2017-10-31 12:06:40 +01:00
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Module = str:join([erlang_name(M) || M<-Mod], $_),
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misc:binary_to_atom(Module);
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2017-10-31 11:04:32 +01:00
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module_name(Mod) when is_list(Mod) ->
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2017-10-31 12:06:40 +01:00
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Module = str:join([erlang_name(M) || M<-tl(Mod)], $_),
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misc:binary_to_atom(Module).
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2017-10-31 11:04:32 +01:00
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2017-10-31 12:06:40 +01:00
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elixir_name(Atom) when is_atom(Atom) ->
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elixir_name(misc:atom_to_binary(Atom));
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2017-10-31 11:04:32 +01:00
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elixir_name(<<H,T/binary>>) when H >= 65, H =< 90 ->
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<<H, T/binary>>;
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elixir_name(<<H,T/binary>>) ->
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<<(H-32), T/binary>>.
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2017-10-31 12:06:40 +01:00
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erlang_name(Atom) when is_atom(Atom) ->
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misc:atom_to_binary(Atom);
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erlang_name(Bin) when is_binary(Bin) ->
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Bin.
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2019-06-14 11:33:26 +02:00
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format_error({Reason, File}) when is_list(Reason), is_list(File) ->
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Reason ++ ": " ++ File;
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format_error(Term) ->
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io_lib:format("~p", [Term]).
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hint() ->
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"This usually means that ejabberd or Erlang "
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"was compiled/installed incorrectly.".
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