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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2008-2017. 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 ssh client subsystem supervisor 
%%----------------------------------------------------------------------

-module(sshc_sup).

-behaviour(supervisor).

-export([start_link/0, start_child/1]).

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

-define(SSHC_SUP, ?MODULE).

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

start_child(Args) ->
    supervisor:start_child(?MODULE, Args).

%%%=========================================================================
%%%  Supervisor callback
%%%=========================================================================
init(_) ->
    SupFlags = #{strategy  => simple_one_for_one, 
                 intensity =>    0,
                 period    => 3600
                },
    ChildSpecs = [#{id       => undefined, % As simple_one_for_one is used.
                    start    => {ssh_connection_handler, start_link, []},
                    restart  => temporary % because there is no way to restart a crashed connection
                   }
                 ],
    {ok, {SupFlags,ChildSpecs}}.