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Diffstat (limited to 'src/eldap_pool.erl')
-rw-r--r-- | src/eldap_pool.erl | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/eldap_pool.erl b/src/eldap_pool.erl new file mode 100644 index 000000000..35fabeb74 --- /dev/null +++ b/src/eldap_pool.erl @@ -0,0 +1,87 @@ +%%%------------------------------------------------------------------- +%%% File : eldap_pool.erl +%%% Author : Evgeniy Khramtsov <xram@jabber.ru> +%%% Purpose : LDAP connections pool +%%% Created : 12 Nov 2006 by Evgeniy Khramtsov <xram@jabber.ru> +%%% +%%% +%%% ejabberd, Copyright (C) 2002-2013 ProcessOne +%%% +%%% This program 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 2 of the +%%% License, or (at your option) any later version. +%%% +%%% This program 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 this program; if not, write to the Free Software +%%% Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +%%% 02111-1307 USA +%%% +%%%------------------------------------------------------------------- + +-module(eldap_pool). + +-author('xram@jabber.ru'). + +%% API +-export([start_link/7, bind/3, search/2, + modify_passwd/3]). + +-include("ejabberd.hrl"). +-include("logger.hrl"). + +%%==================================================================== +%% API +%%==================================================================== +bind(PoolName, DN, Passwd) -> + do_request(PoolName, {bind, [DN, Passwd]}). + +search(PoolName, Opts) -> + do_request(PoolName, {search, [Opts]}). + +modify_passwd(PoolName, DN, Passwd) -> + do_request(PoolName, {modify_passwd, [DN, Passwd]}). + +start_link(Name, Hosts, Backups, Port, Rootdn, Passwd, + Opts) -> + PoolName = make_id(Name), + pg2:create(PoolName), + lists:foreach(fun (Host) -> + ID = list_to_binary(erlang:ref_to_list(make_ref())), + case catch eldap:start_link(ID, [Host | Backups], + Port, Rootdn, Passwd, + Opts) + of + {ok, Pid} -> pg2:join(PoolName, Pid); + Err -> + ?INFO_MSG("Err = ~p", [Err]), + error + end + end, + Hosts). + +%%==================================================================== +%% Internal functions +%%==================================================================== +do_request(Name, {F, Args}) -> + case pg2:get_closest_pid(make_id(Name)) of + Pid when is_pid(Pid) -> + case catch apply(eldap, F, [Pid | Args]) of + {'EXIT', {timeout, _}} -> + ?ERROR_MSG("LDAP request failed: timed out", []); + {'EXIT', Reason} -> + ?ERROR_MSG("LDAP request failed: eldap:~p(~p)~nReason: ~p", + [F, Args, Reason]), + {error, Reason}; + Reply -> Reply + end; + Err -> Err + end. + +make_id(Name) -> + jlib:binary_to_atom(<<"eldap_pool_", Name/binary>>). |