mirror of
https://github.com/processone/ejabberd.git
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08f3d066b1
The commit is supposed to improve logging at loglevel 3, which is the recommended level for high loaded ejabberd servers
86 lines
2.8 KiB
Erlang
86 lines
2.8 KiB
Erlang
%%%-------------------------------------------------------------------
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%%% File : eldap_pool.erl
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%%% Author : Evgeniy Khramtsov <xram@jabber.ru>
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%%% Purpose : LDAP connections pool
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%%% Created : 12 Nov 2006 by Evgeniy Khramtsov <xram@jabber.ru>
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%%%
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%%%
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%%% ejabberd, Copyright (C) 2002-2018 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(eldap_pool).
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-author('xram@jabber.ru').
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%% API
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-export([start_link/7, bind/3, search/2,
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modify_passwd/3]).
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-include("logger.hrl").
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%%====================================================================
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%% API
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%%====================================================================
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bind(PoolName, DN, Passwd) ->
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do_request(PoolName, {bind, [DN, Passwd]}).
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search(PoolName, Opts) ->
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do_request(PoolName, {search, [Opts]}).
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modify_passwd(PoolName, DN, Passwd) ->
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do_request(PoolName, {modify_passwd, [DN, Passwd]}).
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start_link(Name, Hosts, Backups, Port, Rootdn, Passwd,
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Opts) ->
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PoolName = make_id(Name),
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pg2:create(PoolName),
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lists:foreach(fun (Host) ->
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ID = list_to_binary(erlang:ref_to_list(make_ref())),
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case catch eldap:start_link(ID, [Host | Backups],
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Port, Rootdn, Passwd,
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Opts)
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of
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{ok, Pid} -> pg2:join(PoolName, Pid);
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Err ->
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?ERROR_MSG("Err = ~p", [Err]),
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error
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end
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end,
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Hosts).
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%%====================================================================
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%% Internal functions
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%%====================================================================
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do_request(Name, {F, Args}) ->
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case pg2:get_closest_pid(make_id(Name)) of
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Pid when is_pid(Pid) ->
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case catch apply(eldap, F, [Pid | Args]) of
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{'EXIT', {timeout, _}} ->
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?ERROR_MSG("LDAP request failed: timed out", []);
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{'EXIT', Reason} ->
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?ERROR_MSG("LDAP request failed: eldap:~p(~p)~nReason: ~p",
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[F, Args, Reason]),
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{error, Reason};
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Reply -> Reply
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end;
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Err -> Err
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end.
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make_id(Name) ->
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misc:binary_to_atom(<<"eldap_pool_", Name/binary>>).
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