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path: root/src/ejabberd_c2s_config.erl
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%%%----------------------------------------------------------------------
%%% File    : ejabberd_c2s_config.erl
%%% Author  : Mickael Remond <mremond@process-one.net>
%%% Purpose : Functions for c2s interactions from other client
%%%           connector modules
%%% Created :  2 Nov 2007 by Mickael Remond <mremond@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2014   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(ejabberd_c2s_config).

-author('mremond@process-one.net').

-export([get_c2s_limits/0]).

%% Get first c2s configuration limitations to apply it to other c2s
%% connectors.
get_c2s_limits() ->
    case ejabberd_config:get_option(listen, fun(V) -> V end) of
      undefined -> [];
      C2SFirstListen ->
	  case lists:keysearch(ejabberd_c2s, 2, C2SFirstListen) of
	    false -> [];
	    {value, {_Port, ejabberd_c2s, Opts}} ->
		select_opts_values(Opts)
	  end
    end.
%% Only get access, shaper and max_stanza_size values

select_opts_values(Opts) ->
    select_opts_values(Opts, []).

select_opts_values([], SelectedValues) ->
    SelectedValues;
select_opts_values([{access, Value} | Opts],
		   SelectedValues) ->
    select_opts_values(Opts,
		       [{access, Value} | SelectedValues]);
select_opts_values([{shaper, Value} | Opts],
		   SelectedValues) ->
    select_opts_values(Opts,
		       [{shaper, Value} | SelectedValues]);
select_opts_values([{max_stanza_size, Value} | Opts],
		   SelectedValues) ->
    select_opts_values(Opts,
		       [{max_stanza_size, Value} | SelectedValues]);
select_opts_values([_Opt | Opts], SelectedValues) ->
    select_opts_values(Opts, SelectedValues).