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rabbit_mgmt_wm_queues.erl
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rabbit_mgmt_wm_queues.erl
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%% The contents of this file are subject to the Mozilla Public License
%% Version 1.1 (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.mozilla.org/MPL/
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
%% License for the specific language governing rights and limitations
%% under the License.
%%
%% The Original Code is RabbitMQ Management Plugin.
%%
%% The Initial Developer of the Original Code is GoPivotal, Inc.
%% Copyright (c) 2007-2018 Pivotal Software, Inc. All rights reserved.
%%
-module(rabbit_mgmt_wm_queues).
-export([init/2, to_json/2, content_types_provided/2, is_authorized/2,
resource_exists/2, basic/1]).
-export([variances/2,
augmented/2]).
-include_lib("rabbitmq_management_agent/include/rabbit_mgmt_records.hrl").
-include_lib("rabbit_common/include/rabbit.hrl").
-define(BASIC_COLUMNS, ["vhost", "name", "durable", "auto_delete", "exclusive",
"owner_pid", "arguments", "pid", "state"]).
-define(DEFAULT_SORT, ["vhost", "name"]).
%%--------------------------------------------------------------------
init(Req, _State) ->
{cowboy_rest, rabbit_mgmt_headers:set_common_permission_headers(Req, ?MODULE), #context{}}.
variances(Req, Context) ->
{[<<"accept-encoding">>, <<"origin">>], Req, Context}.
content_types_provided(ReqData, Context) ->
{rabbit_mgmt_util:responder_map(to_json), ReqData, Context}.
resource_exists(ReqData, Context) ->
{case queues0(ReqData) of
vhost_not_found -> false;
_ -> true
end, ReqData, Context}.
to_json(ReqData, Context) ->
try
Basic = basic_vhost_filtered(ReqData, Context),
Data = rabbit_mgmt_util:augment_resources(Basic, ?DEFAULT_SORT,
?BASIC_COLUMNS, ReqData,
Context, fun augment/2),
rabbit_mgmt_util:reply(Data, ReqData, Context)
catch
{error, invalid_range_parameters, Reason} ->
rabbit_mgmt_util:bad_request(iolist_to_binary(Reason), ReqData,
Context)
end.
is_authorized(ReqData, Context) ->
rabbit_mgmt_util:is_authorized_vhost(ReqData, Context).
%%--------------------------------------------------------------------
%% Exported functions
basic(ReqData) ->
[rabbit_mgmt_format:queue(Q) || Q <- queues0(ReqData)] ++
[rabbit_mgmt_format:queue(Q#amqqueue{state = down}) ||
Q <- down_queues(ReqData)].
augmented(ReqData, Context) ->
augment(rabbit_mgmt_util:filter_vhost(basic(ReqData), ReqData, Context), ReqData).
%%--------------------------------------------------------------------
%% Private helpers
augment(Basic, ReqData) ->
rabbit_mgmt_db:augment_queues(Basic, rabbit_mgmt_util:range_ceil(ReqData),
basic).
basic_vhost_filtered(ReqData, Context) ->
rabbit_mgmt_util:filter_vhost(basic(ReqData), ReqData, Context).
queues0(ReqData) ->
rabbit_mgmt_util:all_or_one_vhost(ReqData, fun rabbit_amqqueue:list/1).
down_queues(ReqData) ->
rabbit_mgmt_util:all_or_one_vhost(ReqData, fun rabbit_amqqueue:list_down/1).