%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2001-2009. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
%%
%%----------------------------------------------------------------------
%% Purpose: The top supervisor for the Megaco/H.248 application
%%----------------------------------------------------------------------
-module(megaco_sup).
-behaviour(application).
-behaviour(supervisor).
%% public
-export([start/0, start/2, stop/1]).
-export([start_sup_child/1, stop_sup_child/1]).
%% internal
-export([init/1]).
%% debug
-export([supervisor_timeout/1]).
%% -define(d(F,A), io:format("~p~p:" ++ F ++ "~n", [self(),?MODULE|A])).
-define(d(F,A), ok).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% application and supervisor callback functions
start(normal, Args) ->
?d("start(normal) -> entry with"
"~n Args: ~p", [Args]),
SupName = {local, ?MODULE},
case supervisor:start_link(SupName, ?MODULE, [Args]) of
{ok, Pid} ->
{ok, Pid, {normal, Args}};
Error ->
Error
end;
start(_, _) ->
{error, badarg}.
start() ->
?d("start -> entry", []),
SupName = {local,?MODULE},
supervisor:start_link(SupName, ?MODULE, []).
stop(_StartArgs) ->
ok.
init([]) -> % Supervisor
init();
init([[]]) -> % Application
init();
init(BadArg) ->
?d("init -> entry when"
"~n BadArg: ~p",[BadArg]),
{error, {badarg, BadArg}}.
init() ->
?d("init -> entry", []),
Flags = {one_for_one, 0, 1},
Sups = [sup_spec(megaco_misc_sup),
sup_spec(megaco_trans_sup),
worker_spec(megaco_config, [gen_server]),
worker_spec(megaco_monitor, [gen_server])],
?d("init -> done when"
"~n Flags: ~p"
"~n Sups: ~p", [Flags, Sups]),
{ok, {Flags, Sups}}.
start_sup_child(Name) ->
?d("start_sup_child -> entry with Name: ~p", [Name]),
Spec = sup_spec(Name),
supervisor:start_child(?MODULE, Spec).
stop_sup_child(Name) ->
?d("stop_sup_child -> entry with Name: ~p", [Name]),
ok = supervisor:terminate_child(?MODULE, Name),
ok = supervisor:delete_child(?MODULE, Name).
sup_spec(Name) ->
{Name, {Name, start, []}, permanent, 2000, supervisor,[Name, supervisor]}.
worker_spec(Name, Modules) ->
{Name, {Name, start_link, []}, permanent, 2000, worker, [Name] ++ Modules}.
-ifdef(debug_shutdown).
supervisor_timeout(_KillAfter) -> timer:hours(500).
-else.
supervisor_timeout(KillAfter) -> KillAfter.
-endif.
