mqtt_response_publish Struct Reference

A publish packet received from the broker.A publish packet is received from the broker when a client publishes to a topic that the {local client} is subscribed to. More...

#include <mqtt.h>

Data Fields
uint8_t	dup_flag
	The DUP flag. DUP flag is 0 if its the first attempt to send this publish packet. A DUP flag of 1 means that this might be a re-delivery of the packet.
uint8_t	qos_level
	The quality of service level. More...
uint8_t	retain_flag
	The retain flag of this publish message.
uint16_t	topic_name_size
	Size of the topic name (number of characters).
const void *	topic_name
	The topic name. More...
uint16_t	packet_id
	The publish message's packet ID.
const void *	application_message
	The publish message's application message.
size_t	application_message_size
	The size of the application message in bytes.

Related Functions
(Note that these are not member functions.)
ssize_t	mqtt_unpack_publish_response (struct mqtt_response *mqtt_response, const uint8_t *buf)
	Deserialize a publish response from buf. More...

Detailed Description

A publish packet received from the broker.

A publish packet is received from the broker when a client publishes to a topic that the {local client} is subscribed to.

See also

MQTT v3.1.1: PUBLISH - Publish Message.

Examples:

bio_publisher.c, openssl_publisher.c, reconnect_subscriber.c, simple_publisher.c, and simple_subscriber.c.

Field Documentation

qos_level

uint8_t mqtt_response_publish::qos_level

The quality of service level.

See also

MQTT v3.1.1: QoS Definitions

topic_name

const void* mqtt_response_publish::topic_name

The topic name.

Note

topic_name is not null terminated. Therefore topic_name_size must be used to get the string length.

Examples:

reconnect_subscriber.c, and simple_subscriber.c.

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The documentation for this struct was generated from the following file:

• include/mqtt.h