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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_mgmt_storage).
-behaviour(gen_server2).
-record(state, {}).
-spec start_link() -> rabbit_types:ok_pid_or_error().
-export([start_link/0]).
-export([reset/0, reset_all/0]).
-export([init/1, handle_call/3, handle_cast/2, handle_info/2, terminate/2,
code_change/3]).
-include("rabbit_mgmt_metrics.hrl").
%% ETS owner
start_link() ->
gen_server2:start_link({local, ?MODULE}, ?MODULE, [], []).
reset() ->
rabbit_log:warning("Resetting RabbitMQ management storage"),
[ets:delete_all_objects(IndexTable) || IndexTable <- ?INDEX_TABLES],
[ets:delete_all_objects(Table) || {Table, _} <- ?TABLES],
_ = rabbit_mgmt_metrics_collector:reset_all(),
ok.
reset_all() ->
_ = [rpc:call(Node, rabbit_mgmt_storage, reset, [])
|| Node <- rabbit_nodes:all_running()],
ok.
init(_) ->
_ = [ets:new(IndexTable, [public, bag, named_table])
|| IndexTable <- ?INDEX_TABLES],
_ = [ets:new(Table, [public, Type, named_table])
|| {Table, Type} <- ?TABLES],
_ = ets:new(rabbit_mgmt_db_cache, [public, set, named_table]),
{ok, #state{}}.
handle_call(_Request, _From, State) ->
{noreply, State}.
handle_cast(_Msg, State) ->
{noreply, State}.
handle_info(_Msg, State) ->
{noreply, State}.
terminate(_Reason, _State) ->
ok.
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
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