44 lines
1.6 KiB
Erlang
44 lines
1.6 KiB
Erlang
%%--------------------------------------------------------------------
|
|
%% Copyright (c) 2022-2023 EMQ Technologies Co., Ltd. All Rights Reserved.
|
|
%%
|
|
%% Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
|
|
%%
|
|
%% Unless required by applicable law or agreed to in writing, software
|
|
%% distributed under the License is distributed on an "AS IS" BASIS,
|
|
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
%% See the License for the specific language governing permissions and
|
|
%% limitations under the License.
|
|
%%--------------------------------------------------------------------
|
|
-ifndef(EMQX_MESSAGE_HRL).
|
|
-define(EMQX_MESSAGE_HRL, true).
|
|
|
|
%% See 'Application Message' in MQTT Version 5.0
|
|
-record(message, {
|
|
%% Global unique message ID
|
|
id :: binary(),
|
|
%% Message QoS
|
|
qos = 0,
|
|
%% Message from
|
|
from :: atom() | binary(),
|
|
%% Message flags
|
|
flags = #{} :: emqx_types:flags(),
|
|
%% Message headers. May contain any metadata. e.g. the
|
|
%% protocol version number, username, peerhost or
|
|
%% the PUBLISH properties (MQTT 5.0).
|
|
headers = #{} :: emqx_types:headers(),
|
|
%% Topic that the message is published to
|
|
topic :: emqx_types:topic(),
|
|
%% Message Payload
|
|
payload :: emqx_types:payload(),
|
|
%% Timestamp (Unit: millisecond)
|
|
timestamp :: integer(),
|
|
%% Miscellaneous extensions, currently used for OpenTelemetry context propagation
|
|
extra = #{} :: term()
|
|
}).
|
|
|
|
-endif.
|