| % OTP Supervisor for MGW NAT |
| |
| % (C) 2011 by Harald Welte <laforge@gnumonks.org> |
| % (C) 2011 OnWaves |
| % |
| % All Rights Reserved |
| % |
| % This program is free software; you can redistribute it and/or modify |
| % it under the terms of the GNU Affero General Public License as |
| % published by the Free Software Foundation; either version 3 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 Affero General Public License |
| % along with this program. If not, see <http://www.gnu.org/licenses/>. |
| % |
| % Additional Permission under GNU AGPL version 3 section 7: |
| % |
| % If you modify this Program, or any covered work, by linking or |
| % combining it with runtime libraries of Erlang/OTP as released by |
| % Ericsson on http://www.erlang.org (or a modified version of these |
| % libraries), containing parts covered by the terms of the Erlang Public |
| % License (http://www.erlang.org/EPLICENSE), the licensors of this |
| % Program grant you additional permission to convey the resulting work |
| % without the need to license the runtime libraries of Erlang/OTP under |
| % the GNU Affero General Public License. Corresponding Source for a |
| % non-source form of such a combination shall include the source code |
| % for the parts of the runtime libraries of Erlang/OTP used as well as |
| % that of the covered work. |
| |
| -module(mgw_nat_sup). |
| -behavior(supervisor). |
| |
| -export([start_link/0]). |
| -export([init/1]). |
| |
| start_link() -> |
| supervisor:start_link({local, ?MODULE}, ?MODULE, []). |
| |
| init(_Args) -> |
| sccp_masq:init(), |
| map_masq:config_update(), |
| SignLinkList = get_app_config(sign_links), |
| ChildList = gen_child_list(SignLinkList), |
| AdmChild = {mgw_nat_adm, {mgw_nat_adm, start_link, [foo]}, |
| permanent, 2000, worker, [mgw_nat_usr, sctp_handler, |
| mgw_nat, mgw_nat_adm]}, |
| {ok,{{one_for_one,60,600}, [AdmChild|ChildList]}}. |
| |
| % generate a list of child specifications, one for each signalling link |
| gen_child_list(SignLinkList) -> |
| gen_child_list(SignLinkList, []). |
| gen_child_list([], ChildList) -> |
| ChildList; |
| gen_child_list([Link|Tail], ChildList) -> |
| {Name, ChildArgs} = Link, |
| NewChild = {Name, {mgw_nat_usr, start_link, [[{msc_name, Name}|ChildArgs]]}, |
| permanent, 2000, worker, [mgw_nat_usr, sctp_handler, mgw_nat]}, |
| gen_child_list(Tail, [NewChild|ChildList]). |
| |
| get_app_config(Name) -> |
| case application:get_env(mgw_nat, Name) of |
| undefined -> |
| error_logger:error_report([{error, app_cfg_missing}, |
| {get_app_config, Name}]), |
| throw(app_cfg_missing); |
| {ok, Val} -> |
| Val |
| end. |