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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2010-2016. 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%
%%
%%
%% The top supervisor for the diameter application.
%%
-module(diameter_sup).
-behaviour(supervisor).
%% interface
-export([start_link/0, %% supervisor start
tree/0]). %% supervision tree
%% supervisor callback
-export([init/1]).
-define(CHILDREN, [diameter_misc_sup,
diameter_config_sup,
diameter_watchdog_sup,
diameter_peer_fsm_sup,
diameter_transport_sup,
diameter_service_sup]).
-define(TABLES, [{diameter_sequence, [set]},
{diameter_service, [set, {keypos, 3}]},
{diameter_request, [bag]},
{diameter_config, [bag, {keypos, 2}]}]).
%% start_link/0
start_link() ->
SupName = {local, ?MODULE},
supervisor:start_link(SupName, ?MODULE, []).
%% init/1
init([]) ->
ets_new(?TABLES),
diameter_session:init(),
Flags = {one_for_one, 1, 5},
ChildSpecs = lists:map(fun spec/1, ?CHILDREN),
{ok, {Flags, ChildSpecs}}.
%% spec/1
spec(Mod) ->
{Mod,
{Mod, start_link, []},
permanent,
infinity,
supervisor,
[Mod]}.
%% ets_new/1
ets_new(List)
when is_list(List) ->
lists:foreach(fun ets_new/1, List);
ets_new({Table, Opts}) ->
ets:new(Table, [named_table, public | Opts]).
%% tree/0
tree() ->
[{?MODULE, whereis(?MODULE), tree(?MODULE)}].
tree(Sup) ->
lists:map(fun t/1, supervisor:which_children(Sup)).
t({Name, Pid, supervisor, _}) ->
t(Name, Pid, tree(Pid));
t({Name, Pid, worker, _}) ->
t(Name, Pid).
t(undefined, Pid, Children) ->
{Pid, Children};
t(Name, Pid, Children) ->
{Name, Pid, Children}.
t(undefined, Pid) ->
Pid;
t(Name, Pid) ->
{Name, Pid}.
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