1%% This Source Code Form is subject to the terms of the Mozilla Public
2%% License, v. 2.0. If a copy of the MPL was not distributed with this
3%% file, You can obtain one at https://mozilla.org/MPL/2.0/.
4%%
5%% Copyright (c) 2007-2021 VMware, Inc. or its affiliates.  All rights reserved.
6%%
7
8-module(rabbit_exchange_type_fanout).
9-include_lib("rabbit_common/include/rabbit.hrl").
10
11-behaviour(rabbit_exchange_type).
12
13-export([description/0, serialise_events/0, route/2]).
14-export([validate/1, validate_binding/2,
15         create/2, delete/3, policy_changed/2, add_binding/3,
16         remove_bindings/3, assert_args_equivalence/2]).
17-export([info/1, info/2]).
18
19-rabbit_boot_step({?MODULE,
20                   [{description, "exchange type fanout"},
21                    {mfa,         {rabbit_registry, register,
22                                   [exchange, <<"fanout">>, ?MODULE]}},
23                    {requires,    rabbit_registry},
24                    {enables,     kernel_ready}]}).
25
26info(_X) -> [].
27info(_X, _) -> [].
28
29description() ->
30    [{description, <<"AMQP fanout exchange, as per the AMQP specification">>}].
31
32serialise_events() -> false.
33
34route(#exchange{name = Name}, _Delivery) ->
35    rabbit_router:match_routing_key(Name, ['_']).
36
37validate(_X) -> ok.
38validate_binding(_X, _B) -> ok.
39create(_Tx, _X) -> ok.
40delete(_Tx, _X, _Bs) -> ok.
41policy_changed(_X1, _X2) -> ok.
42add_binding(_Tx, _X, _B) -> ok.
43remove_bindings(_Tx, _X, _Bs) -> ok.
44assert_args_equivalence(X, Args) ->
45    rabbit_exchange:assert_args_equivalence(X, Args).
46