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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2010-2011. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights 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_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,
+ 1000,
+ 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}.