2003-02-01 21:21:28 +01:00
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%%%----------------------------------------------------------------------
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%%% File : ejabberd_app.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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2008-02-28 01:30:23 +01:00
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%%% Purpose : ejabberd's application callback module
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2007-12-24 12:41:41 +01:00
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%%% Created : 31 Jan 2003 by Alexey Shchepin <alexey@process-one.net>
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%%%
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%%%
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2017-01-02 21:41:53 +01:00
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%%% ejabberd, Copyright (C) 2002-2017 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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2003-02-01 21:21:28 +01:00
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%%%----------------------------------------------------------------------
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-module(ejabberd_app).
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2015-06-01 14:38:27 +02:00
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-behaviour(ejabberd_config).
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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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2003-02-01 21:21:28 +01:00
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-behaviour(application).
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2017-02-24 10:05:47 +01:00
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-export([start/2, prep_stop/1, stop/1, opt_type/1]).
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2003-02-01 21:21:28 +01:00
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-include("ejabberd.hrl").
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2013-04-08 11:12:54 +02:00
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-include("logger.hrl").
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2008-02-28 01:30:23 +01:00
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%%%
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%%% Application API
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%%%
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2003-10-18 21:15:12 +02:00
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start(normal, _Args) ->
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2017-03-18 08:24:42 +01:00
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{T1, _} = statistics(wall_clock),
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2013-06-27 10:58:56 +02:00
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ejabberd_logger:start(),
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2009-08-24 23:21:04 +02:00
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write_pid_file(),
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2013-04-08 11:12:54 +02:00
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start_apps(),
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2016-07-28 15:57:35 +02:00
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start_elixir_application(),
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2013-07-06 18:11:01 +02:00
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ejabberd:check_app(ejabberd),
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2003-02-01 21:21:28 +01:00
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db_init(),
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2016-09-08 11:34:42 +02:00
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setup_if_elixir_conf_used(),
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2003-02-01 21:21:28 +01:00
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ejabberd_config:start(),
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2015-06-15 14:57:07 +02:00
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set_settings_from_config(),
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2017-03-10 13:12:43 +01:00
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file_queue_init(),
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2017-02-24 10:05:47 +01:00
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maybe_add_nameservers(),
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2006-11-07 03:08:51 +01:00
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connect_nodes(),
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2017-02-26 13:10:59 +01:00
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case ejabberd_sup:start_link() of
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{ok, SupPid} ->
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register_elixir_config_hooks(),
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2017-03-18 08:24:42 +01:00
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{T2, _} = statistics(wall_clock),
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?INFO_MSG("ejabberd ~s is started in the node ~p in ~.2fs",
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[?VERSION, node(), (T2-T1)/1000]),
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2017-02-26 13:10:59 +01:00
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{ok, SupPid};
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Err ->
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Err
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end;
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2003-02-01 21:21:28 +01:00
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start(_, _) ->
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{error, badarg}.
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2008-02-28 01:30:23 +01:00
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%% Prepare the application for termination.
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2008-10-25 00:07:38 +02:00
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%% This function is called when an application is about to be stopped,
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2008-02-28 01:30:23 +01:00
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%% before shutting down the processes of the application.
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prep_stop(State) ->
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2012-07-25 13:02:21 +02:00
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ejabberd_listener:stop_listeners(),
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2017-02-23 08:12:19 +01:00
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ejabberd_sm:stop(),
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2016-06-07 18:41:38 +02:00
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gen_mod:stop_modules(),
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2008-02-28 01:30:23 +01:00
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State.
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%% All the processes were killed when this function is called
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stop(_State) ->
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2008-10-25 00:07:38 +02:00
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?INFO_MSG("ejabberd ~s is stopped in the node ~p", [?VERSION, node()]),
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2009-08-24 23:21:04 +02:00
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delete_pid_file(),
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2010-05-28 00:48:04 +02:00
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%%ejabberd_debug:stop(),
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2003-02-01 21:21:28 +01:00
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ok.
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2008-02-28 01:30:23 +01:00
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%%%
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%%% Internal functions
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%%%
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2003-02-01 21:21:28 +01:00
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db_init() ->
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2015-04-06 11:36:16 +02:00
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ejabberd_config:env_binary_to_list(mnesia, dir),
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2014-06-12 11:00:22 +02:00
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MyNode = node(),
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DbNodes = mnesia:system_info(db_nodes),
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case lists:member(MyNode, DbNodes) of
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true ->
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ok;
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false ->
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?CRITICAL_MSG("Node name mismatch: I'm [~s], "
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"the database is owned by ~p", [MyNode, DbNodes]),
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?CRITICAL_MSG("Either set ERLANG_NODE in ejabberdctl.cfg "
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"or change node name in Mnesia", []),
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erlang:error(node_name_mismatch)
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end,
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2003-02-01 21:21:28 +01:00
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case mnesia:system_info(extra_db_nodes) of
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[] ->
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mnesia:create_schema([node()]);
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_ ->
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ok
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end,
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2013-07-06 18:11:01 +02:00
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ejabberd:start_app(mnesia, permanent),
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2003-02-01 21:21:28 +01:00
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mnesia:wait_for_tables(mnesia:system_info(local_tables), infinity).
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2006-11-07 03:08:51 +01:00
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connect_nodes() ->
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2013-08-12 14:25:05 +02:00
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Nodes = ejabberd_config:get_option(
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2013-03-14 10:33:02 +01:00
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cluster_nodes,
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fun(Ns) ->
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true = lists:all(fun is_atom/1, Ns),
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Ns
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end, []),
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lists:foreach(fun(Node) ->
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net_kernel:connect_node(Node)
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end, Nodes).
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2006-11-07 03:08:51 +01:00
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2009-03-05 21:03:18 +01:00
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%% If ejabberd is running on some Windows machine, get nameservers and add to Erlang
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maybe_add_nameservers() ->
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case os:type() of
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{win32, _} -> add_windows_nameservers();
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_ -> ok
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end.
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add_windows_nameservers() ->
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2009-03-11 19:36:27 +01:00
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IPTs = win32_dns:get_nameservers(),
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2009-03-05 21:03:18 +01:00
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?INFO_MSG("Adding machine's DNS IPs to Erlang system:~n~p", [IPTs]),
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lists:foreach(fun(IPT) -> inet_db:add_ns(IPT) end, IPTs).
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2009-08-24 23:21:04 +02:00
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%%%
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%%% PID file
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%%%
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write_pid_file() ->
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case ejabberd:get_pid_file() of
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false ->
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ok;
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PidFilename ->
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write_pid_file(os:getpid(), PidFilename)
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end.
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write_pid_file(Pid, PidFilename) ->
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case file:open(PidFilename, [write]) of
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{ok, Fd} ->
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io:format(Fd, "~s~n", [Pid]),
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file:close(Fd);
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{error, Reason} ->
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?ERROR_MSG("Cannot write PID file ~s~nReason: ~p", [PidFilename, Reason]),
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throw({cannot_write_pid_file, PidFilename, Reason})
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end.
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delete_pid_file() ->
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case ejabberd:get_pid_file() of
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false ->
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ok;
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PidFilename ->
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file:delete(PidFilename)
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end.
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2013-04-08 11:12:54 +02:00
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2015-06-15 14:57:07 +02:00
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set_settings_from_config() ->
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Ticktime = ejabberd_config:get_option(
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net_ticktime,
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opt_type(net_ticktime),
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60),
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net_kernel:set_net_ticktime(Ticktime).
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2013-08-12 14:25:05 +02:00
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2017-03-10 13:12:43 +01:00
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file_queue_init() ->
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QueueDir = case ejabberd_config:queue_dir() of
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undefined ->
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{ok, MnesiaDir} = application:get_env(mnesia, dir),
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filename:join(MnesiaDir, "queue");
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Path ->
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Path
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end,
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p1_queue:start(QueueDir).
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2013-04-08 11:12:54 +02:00
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start_apps() ->
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2015-04-07 09:03:37 +02:00
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crypto:start(),
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2013-04-08 11:12:54 +02:00
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ejabberd:start_app(sasl),
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ejabberd:start_app(ssl),
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2016-02-03 11:30:48 +01:00
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ejabberd:start_app(fast_yaml),
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2016-02-03 16:13:16 +01:00
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ejabberd:start_app(fast_tls),
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2016-11-21 08:23:09 +01:00
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ejabberd:start_app(xmpp),
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2015-12-01 19:17:51 +01:00
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ejabberd:start_app(cache_tab).
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2015-06-01 14:38:27 +02:00
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2015-06-15 14:57:07 +02:00
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opt_type(net_ticktime) ->
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fun (P) when is_integer(P), P > 0 -> P end;
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2015-06-01 14:38:27 +02:00
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opt_type(cluster_nodes) ->
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fun (Ns) -> true = lists:all(fun is_atom/1, Ns), Ns end;
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2017-02-27 09:11:29 +01:00
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opt_type(_) -> [cluster_nodes, net_ticktime].
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2016-07-28 15:57:35 +02:00
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2016-09-08 11:34:42 +02:00
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setup_if_elixir_conf_used() ->
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case ejabberd_config:is_using_elixir_config() of
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true -> 'Elixir.Ejabberd.Config.Store':start_link();
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false -> ok
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end.
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register_elixir_config_hooks() ->
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case ejabberd_config:is_using_elixir_config() of
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true -> 'Elixir.Ejabberd.Config':start_hooks();
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false -> ok
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end.
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2016-07-28 15:57:35 +02:00
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start_elixir_application() ->
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2016-09-08 16:29:19 +02:00
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case ejabberd_config:is_elixir_enabled() of
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true ->
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case application:ensure_started(elixir) of
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ok -> ok;
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2016-09-08 18:11:54 +02:00
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{error, _Msg} -> ?ERROR_MSG("Elixir application not started.", [])
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2016-09-08 16:29:19 +02:00
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end;
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_ ->
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ok
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end.
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