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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2010-2011. 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%
%%
-module(diameter_tcp_sup).
-behaviour(supervisor).
%% interface
-export([start/0,
start_child/1]).
%% internal exports
-export([start_link/1,
init/1]).
%% Start multiple supervisors only because a child can't start another
%% child before supervisor:start_child/2 has returned, although two is
%% really sufficient (listeners and monitors can be under the same).
-define(TRANSPORT_SUP, diameter_tcp_transport_sup).
-define(LISTENER_SUP, diameter_tcp_listener_sup).
-define(MONITOR_SUP, diameter_tcp_monitor_sup).
%% start/0
%%
%% Start the TCP-specific supervisors.
start() ->
diameter_transport_sup:start_child(?TRANSPORT_SUP, ?MODULE),
diameter_transport_sup:start_child(?LISTENER_SUP, ?MODULE),
diameter_transport_sup:start_child(?MONITOR_SUP, ?MODULE).
%% start_child/1
%%
%% Start a worker under one of the child supervisors.
start_child(T) ->
SupRef = case element(1,T) of
accept -> ?TRANSPORT_SUP;
connect -> ?TRANSPORT_SUP;
listen -> ?LISTENER_SUP;
monitor -> ?MONITOR_SUP
end,
supervisor:start_child(SupRef, [T]).
%% start_link/1
%%
%% Callback from diameter_transport_sup as a result of start/0.
%% Starts a child supervisor under the transport supervisor.
start_link(Name) ->
supervisor:start_link({local, Name}, ?MODULE, []).
init([]) ->
Mod = diameter_tcp,
Flags = {simple_one_for_one, 0, 1},
ChildSpec = {Mod,
{Mod, start_link, []},
temporary,
1000,
worker,
[Mod]},
{ok, {Flags, [ChildSpec]}}.
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