68 lines
2.4 KiB
Erlang
68 lines
2.4 KiB
Erlang
%%%-----------------------------------------------------------------------------
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%%% Copyright (c) 2012-2015 eMQTT.IO, All Rights Reserved.
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%%%
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%%% Permission is hereby granted, free of charge, to any person obtaining a copy
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%%% of this software and associated documentation files (the "Software"), to deal
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%%% in the Software without restriction, including without limitation the rights
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%%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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%%% copies of the Software, and to permit persons to whom the Software is
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%%% furnished to do so, subject to the following conditions:
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%%%
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%%% The above copyright notice and this permission notice shall be included in all
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%%% copies or substantial portions of the Software.
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%%%
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%%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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%%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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%%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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%%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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%%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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%%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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%%% SOFTWARE.
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%%%-----------------------------------------------------------------------------
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%%% @doc Session Manager Supervisor.
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%%%
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%%% @author Feng Lee <feng@emqtt.io>
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%%%-----------------------------------------------------------------------------
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-module(emqttd_sm_sup).
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-behaviour(supervisor).
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-include("emqttd.hrl").
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-define(SM, emqttd_sm).
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-define(HELPER, emqttd_sm_helper).
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-define(TABS, [mqtt_transient_session,
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mqtt_persistent_session]).
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%% API
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-export([start_link/0]).
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%% Supervisor callbacks
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-export([init/1]).
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start_link() ->
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supervisor:start_link({local, ?MODULE}, ?MODULE, []).
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init([]) ->
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%% Create session tables
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create_session_tabs(),
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%% Helper
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StatsFun = emqttd_stats:statsfun('sessions/count', 'sessions/max'),
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Helper = {?HELPER, {?HELPER, start_link, [StatsFun]},
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permanent, 5000, worker, [?HELPER]},
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%% SM Pool Sup
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MFA = {?SM, start_link, []},
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PoolSup = emqttd_pool_sup:spec([?SM, hash, erlang:system_info(schedulers), MFA]),
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{ok, {{one_for_all, 10, 3600}, [Helper, PoolSup]}}.
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create_session_tabs() ->
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Opts = [ordered_set, named_table, public,
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{write_concurrency, true}],
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[ets:new(Tab, Opts) || Tab <- ?TABS].
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