2019-02-25 09:42:09 +01:00
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%%%-------------------------------------------------------------------
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%%% @author Evgeny Khramtsov <ekhramtsov@process-one.net>
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2022-02-10 17:21:43 +01:00
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%%% @copyright (C) 2002-2022 ProcessOne, SARL. All Rights Reserved.
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2019-02-25 09:42:09 +01:00
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%%%
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%%% Licensed under the Apache License, Version 2.0 (the "License");
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%%% you may not use this file except in compliance with the License.
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%%% You may obtain a copy of the License at
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%%%
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%%% http://www.apache.org/licenses/LICENSE-2.0
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%%%
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%%% Unless required by applicable law or agreed to in writing, software
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%%% distributed under the License is distributed on an "AS IS" BASIS,
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%%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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%%% See the License for the specific language governing permissions and
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%%% limitations under the License.
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%%%
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%%%-------------------------------------------------------------------
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-define(MQTT_VERSION_4, 4).
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-define(MQTT_VERSION_5, 5).
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-record(connect, {proto_level = 4 :: non_neg_integer(),
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will :: undefined | publish(),
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clean_start = true :: boolean(),
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keep_alive = 0 :: non_neg_integer(),
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client_id = <<>> :: binary(),
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username = <<>> :: binary(),
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password = <<>> :: binary(),
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will_properties = #{} :: properties(),
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properties = #{} :: properties()}).
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-record(connack, {session_present = false :: boolean(),
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code = success :: reason_code(),
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properties = #{} :: properties()}).
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-record(publish, {id :: undefined | non_neg_integer(),
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dup = false :: boolean(),
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qos = 0 :: qos(),
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retain = false :: boolean(),
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topic :: binary(),
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payload :: binary(),
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properties = #{} :: properties(),
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meta = #{} :: map()}).
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-record(puback, {id :: non_neg_integer(),
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code = success :: reason_code(),
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properties = #{} :: properties()}).
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-record(pubrec, {id :: non_neg_integer(),
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code = success :: reason_code(),
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properties = #{} :: properties()}).
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-record(pubrel, {id :: non_neg_integer(),
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code = success :: reason_code(),
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properties = #{} :: properties(),
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meta = #{} :: map()}).
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-record(pubcomp, {id :: non_neg_integer(),
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code = success :: reason_code(),
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properties = #{} :: properties()}).
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-record(subscribe, {id :: non_neg_integer(),
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filters :: [{binary(), sub_opts()}],
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properties = #{} :: properties(),
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meta = #{} :: map()}).
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-record(suback, {id :: non_neg_integer(),
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codes = [] :: [char() | reason_code()],
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properties = #{} :: properties()}).
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-record(unsubscribe, {id :: non_neg_integer(),
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filters :: [binary()],
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properties = #{} :: properties(),
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meta = #{} :: map()}).
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-record(unsuback, {id :: non_neg_integer(),
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codes = [] :: [reason_code()],
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properties = #{} :: properties()}).
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-record(pingreq, {meta = #{} :: map()}).
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-record(pingresp, {}).
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-record(disconnect, {code = 'normal-disconnection' :: reason_code(),
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properties = #{} :: properties()}).
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-record(auth, {code = success :: reason_code(),
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properties = #{} :: properties()}).
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-record(sub_opts, {qos = 0 :: qos(),
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no_local = false :: boolean(),
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retain_as_published = false :: boolean(),
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retain_handling = 0 :: 0..2}).
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-type qos() :: 0|1|2.
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-type sub_opts() :: #sub_opts{}.
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-type utf8_pair() :: {binary(), binary()}.
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2019-10-11 16:57:45 +02:00
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-type properties() :: #{assigned_client_identifier => binary(),
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authentication_data => binary(),
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authentication_method => binary(),
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content_type => binary(),
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correlation_data => binary(),
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maximum_packet_size => pos_integer(),
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maximum_qos => 0|1,
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message_expiry_interval => non_neg_integer(),
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payload_format_indicator => binary | utf8,
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reason_string => binary(),
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receive_maximum => pos_integer(),
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request_problem_information => boolean(),
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request_response_information => boolean(),
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response_information => binary(),
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response_topic => binary(),
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retain_available => boolean(),
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server_keep_alive => non_neg_integer(),
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server_reference => binary(),
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session_expiry_interval => non_neg_integer(),
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shared_subscription_available => boolean(),
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subscription_identifier => [non_neg_integer()] | non_neg_integer(),
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subscription_identifiers_available => boolean(),
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topic_alias => pos_integer(),
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topic_alias_maximum => non_neg_integer(),
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user_property => [utf8_pair()],
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wildcard_subscription_available => boolean(),
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will_delay_interval => non_neg_integer()}.
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2019-02-25 09:42:09 +01:00
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-type property() :: assigned_client_identifier |
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authentication_data |
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authentication_method |
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content_type |
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correlation_data |
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maximum_packet_size |
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maximum_qos |
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message_expiry_interval |
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payload_format_indicator |
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reason_string |
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receive_maximum |
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request_problem_information |
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request_response_information |
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response_information |
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response_topic |
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retain_available |
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server_keep_alive |
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server_reference |
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session_expiry_interval |
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shared_subscription_available |
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subscription_identifier |
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subscription_identifiers_available |
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topic_alias |
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topic_alias_maximum |
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user_property |
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wildcard_subscription_available |
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will_delay_interval.
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-type reason_code() :: 'success' |
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'normal-disconnection' |
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'granted-qos-0' |
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'granted-qos-1' |
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'granted-qos-2' |
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'disconnect-with-will-message' |
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'no-matching-subscribers' |
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'no-subscription-existed' |
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'continue-authentication' |
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're-authenticate' |
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'unspecified-error' |
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'malformed-packet' |
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'protocol-error' |
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'implementation-specific-error' |
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'unsupported-protocol-version' |
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'client-identifier-not-valid' |
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'bad-user-name-or-password' |
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'not-authorized' |
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'server-unavailable' |
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'server-busy' |
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'banned' |
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'server-shutting-down' |
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'bad-authentication-method' |
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'keep-alive-timeout' |
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'session-taken-over' |
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'topic-filter-invalid' |
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'topic-name-invalid' |
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'packet-identifier-in-use' |
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'packet-identifier-not-found' |
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'receive-maximum-exceeded' |
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'topic-alias-invalid' |
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'packet-too-large' |
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'message-rate-too-high' |
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'quota-exceeded' |
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'administrative-action' |
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'payload-format-invalid' |
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'retain-not-supported' |
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'qos-not-supported' |
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'use-another-server' |
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'server-moved' |
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'shared-subscriptions-not-supported' |
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'connection-rate-exceeded' |
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'maximum-connect-time' |
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'subscription-identifiers-not-supported' |
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'wildcard-subscriptions-not-supported'.
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-type connect() :: #connect{}.
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-type connack() :: #connack{}.
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-type publish() :: #publish{}.
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-type puback() :: #puback{}.
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-type pubrel() :: #pubrel{}.
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-type pubrec() :: #pubrec{}.
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-type pubcomp() :: #pubcomp{}.
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-type subscribe() :: #subscribe{}.
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-type suback() :: #suback{}.
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-type unsubscribe() :: #unsubscribe{}.
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-type unsuback() :: #unsuback{}.
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-type pingreq() :: #pingreq{}.
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-type pingresp() :: #pingresp{}.
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-type disconnect() :: #disconnect{}.
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-type auth() :: #auth{}.
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-type mqtt_packet() :: connect() | connack() | publish() | puback() |
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pubrel() | pubrec() | pubcomp() | subscribe() |
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suback() | unsubscribe() | unsuback() | pingreq() |
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pingresp() | disconnect() | auth().
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-type mqtt_version() :: ?MQTT_VERSION_4 | ?MQTT_VERSION_5.
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