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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2019-2021. 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(tls_server_sup).
-behaviour(supervisor).
%% API
-export([start_link/0]).
%% Supervisor callback
-export([init/1]).
%%%=========================================================================
%%% API
%%%=========================================================================
-spec start_link() -> {ok, pid()} | ignore | {error, term()}.
start_link() ->
supervisor:start_link({local, ?MODULE}, ?MODULE, []).
%%%=========================================================================
%%% Supervisor callback
%%%=========================================================================
init([]) ->
ChildSpecs = [listen_options_tracker_child_spec(),
tls_server_session_child_spec(), %% TLS-1.3 Session ticket handling
ssl_server_session_child_spec(), %% PRE TLS-1.3 session handling
ssl_upgrade_server_session_child_spec() %% PRE TLS-1.3 session handling for upgrade servers
],
SupFlags = #{strategy => one_for_all,
intensity => 10,
period => 3600
},
{ok, {SupFlags, ChildSpecs}}.
%%--------------------------------------------------------------------
%%% Internal functions
%%--------------------------------------------------------------------
%% Handles emulated options so that they inherited by the accept
%% socket, even when setopts is performed on the listen socket
listen_options_tracker_child_spec() ->
#{id => ssl_listen_tracker_sup,
start => {ssl_listen_tracker_sup, start_link, []},
restart => permanent,
shutdown => 4000,
modules => [ssl_listen_tracker_sup],
type => supervisor
}.
tls_server_session_child_spec() ->
#{id => tls_server_session_ticket,
start => {tls_server_session_ticket_sup, start_link, []},
restart => permanent,
shutdown => 4000,
modules => [tls_server_session_ticket_sup],
type => supervisor
}.
ssl_server_session_child_spec() ->
#{id => ssl_server_session_cache_sup,
start => {ssl_server_session_cache_sup, start_link, []},
restart => permanent,
shutdown => 4000,
modules => [ssl_server_session_cache_sup],
type => supervisor
}.
ssl_upgrade_server_session_child_spec() ->
#{id => ssl_upgrade_server_session_cache_sup,
start => {ssl_upgrade_server_session_cache_sup, start_link, []},
restart => permanent,
shutdown => 4000,
modules => [ssl_upgrade_server_session_cache_sup],
type => supervisor
}.
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