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%% This Source Code Form is subject to the terms of the Mozilla Public
%% License, v. 2.0. If a copy of the MPL was not distributed with this
%% file, You can obtain one at https://mozilla.org/MPL/2.0/.
%%
%% Copyright (c) 2007-2020 VMware, Inc. or its affiliates. All rights reserved.
%%
-module(rabbit_metrics).
-behaviour(gen_server).
-export([start_link/0]).
-export([init/1, handle_call/3, handle_cast/2, handle_info/2, terminate/2,
code_change/3]).
-define(SERVER, ?MODULE).
%%----------------------------------------------------------------------------
%% Starts the raw metrics storage and owns the ETS tables.
%%----------------------------------------------------------------------------
-spec start_link() -> rabbit_types:ok_pid_or_error().
start_link() ->
gen_server:start_link({local, ?SERVER}, ?MODULE, [], []).
init([]) ->
rabbit_core_metrics:init(),
{ok, none}.
handle_call(_Request, _From, State) ->
{noreply, State}.
handle_cast(_Request, State) ->
{noreply, State}.
handle_info(_Msg, State) ->
{noreply, State}.
terminate(_Reason, _State) ->
ok.
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
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