%%
%% %CopyrightBegin%
%% 
%% Copyright Ericsson AB 2007-2016. 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.
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%% %CopyrightEnd%
%%

%%
%%----------------------------------------------------------------------
%% Purpose: Supervisor of DTLS connection.
%%----------------------------------------------------------------------
-module(dtls_connection_sup).

-behaviour(supervisor).

%% API
-export([start_link/0, start_link_dist/0]).
-export([start_child/1, start_child_dist/1]).

%% Supervisor callback
-export([init/1]).

%%%=========================================================================
%%%  API
%%%=========================================================================
start_link() ->
    supervisor:start_link({local, ?MODULE}, ?MODULE, []).

start_link_dist() ->
    supervisor:start_link({local, dtls_connection_sup_dist}, ?MODULE, []).

start_child(Args) ->
    supervisor:start_child(?MODULE, Args).
        
start_child_dist(Args) ->
    supervisor:start_child(dtls_connection_sup_dist, Args).
    
%%%=========================================================================
%%%  Supervisor callback
%%%=========================================================================
init(_O) ->
    RestartStrategy = simple_one_for_one,
    MaxR = 0,
    MaxT = 3600,
   
    Name = undefined, % As simple_one_for_one is used.
    StartFunc = {ssl_gen_statem, start_link, []},
    Restart = temporary, % E.g. should not be restarted
    Shutdown = 4000,
    Modules = [ssl_gen_statem, dtls_connection],
    Type = worker,
    
    ChildSpec = {Name, StartFunc, Restart, Shutdown, Type, Modules},
    {ok, {{RestartStrategy, MaxR, MaxT}, [ChildSpec]}}.
