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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* Fluent Bit
* ==========
* Copyright (C) 2015-2022 The Fluent Bit Authors
*
* 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 FLB_MQTT_PROT_H
#define FLB_MQTT_PROT_H
#include "mqtt_conn.h"
/*
* Specs definition from 2.2.1 MQTT Control Packet:
*
* http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/os/mqtt-v3.1.1-os.html#_Toc398718021
*/
#define MQTT_CONNECT 1
#define MQTT_CONNACK 2
#define MQTT_PUBLISH 3
#define MQTT_PUBACK 4
#define MQTT_PUBREC 5
#define MQTT_PUBREL 6
#define MQTT_PUBCOMP 7
#define MQTT_PINGREQ 12
#define MQTT_PINGRESP 13
#define MQTT_DISCONNECT 14
/* CONNACK status codes */
#define MQTT_CONN_ACCEPTED 0
#define MQTT_CONN_REFUSED_PROTOCOL 1
#define MQTT_CONN_REFUSED_IDENTIF 2
#define MQTT_CONN_REFUSED_SERVER 3
#define MQTT_CONN_REFUSED_BADCRED 4
#define MQTT_CONN_REFUSED_NOAUTH 5
/* QOS Flag status */
#define MQTT_QOS_LEV0 0 /* no reply */
#define MQTT_QOS_LEV1 1 /* PUBACK packet */
#define MQTT_QOS_LEV2 2 /* PUBREC packet */
/* Specific macros for Fluent Bit handling, not related to MQTT spec */
#define MQTT_HANGUP -2 /* MQTT client is closing */
#define MQTT_ERROR -1 /* MQTT protocol error, hangup */
#define MQTT_OK 0 /* Everything is OK */
#define MQTT_MORE 1 /* need to read more data */
int mqtt_prot_parser(struct mqtt_conn *conn);
#endif
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