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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_CONN_H
#define FLB_MQTT_CONN_H
#include <fluent-bit/flb_connection.h>
enum {
MQTT_NEW = 1, /* it's a new connection */
MQTT_CONNECTED = 2, /* MQTT connection per protocol spec OK */
MQTT_NEXT = 4 /* Waiting for Control packets */
};
/* This structure respresents a MQTT connection */
struct mqtt_conn {
int status; /* Connection status */
int packet_type; /* MQTT packet type */
int packet_length;
int buf_frame_end; /* Frame end position */
int buf_pos; /* Index position */
int buf_len; /* Buffer content length */
unsigned char buf[1024]; /* Buffer data */
struct flb_in_mqtt_config *ctx; /* Plugin configuration context */
struct flb_connection *connection;
struct mk_list _head; /* Link to flb_in_mqtt_config->conns */
};
struct mqtt_conn *mqtt_conn_add(struct flb_connection *connection, struct flb_in_mqtt_config *ctx);
int mqtt_conn_del(struct mqtt_conn *conn);
int mqtt_conn_destroy_all(struct flb_in_mqtt_config *ctx);
#endif
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