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SourceVuESP-IDF Framework and ExamplesESP-IDFesp_mqtt5_event_property_t

esp_mqtt5_event_property_t struct

MQTT5 protocol for event properties

Syntax

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Summary

Declaration

from mqtt5_client.h:138

typedef struct { bool payload_format_indicator; char *response_topic; int response_topic_len; char *correlation_data; uint16_t correlation_data_len; char *content_type; int content_type_len; uint16_t subscribe_id; mqtt5_user_property_handle_t user_property; } esp_mqtt5_event_property_t;

Fields

Field

Declared as

Description

esp_mqtt5_event_property_t::payload_format_indicator

bool

Payload format of the message.

esp_mqtt5_event_property_t::response_topic

char *

Response topic of the message.

esp_mqtt5_event_property_t::response_topic_len

int

Response topic length of the message.

esp_mqtt5_event_property_t::correlation_data

char *

Correlation data of the message.

esp_mqtt5_event_property_t::correlation_data_len

uint16_t

Correlation data length of the message.

esp_mqtt5_event_property_t::content_type

char *

Content type of the message.

esp_mqtt5_event_property_t::content_type_len

int

Content type length of the message.

esp_mqtt5_event_property_t::subscribe_id

uint16_t

Subscription identifier of the message.

esp_mqtt5_event_property_t::user_property

mqtt5_user_property_handle_t

The handle for user property, call function esp_mqtt5_client_delete_user_property to free the memory.

References

Code

Location

Scope

Referrer

typedef struct {

mqtt5_client.h:138

} esp_mqtt5_event_property_t;

mqtt5_client.h:148

client->event.property = calloc(1, sizeof(esp_mqtt5_event_property_t));

mqtt5_client.c:144

esp_mqtt5_create_default_config()

free(client->event.property);

mqtt5_client.c:320

esp_mqtt5_client_destory()

} esp_mqtt5_event_property_t;

mqtt5_client.h:148

esp_mqtt5_event_property_t

esp_mqtt5_event_property_t *property; /*!< MQTT 5 property associated with this event */

mqtt_client.h:210

esp_mqtt_event_t

esp_mqtt_event_t::property

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Implementations

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Instances

Instance

Scope

Location

Project

esp_mqtt_event_t::property

esp_mqtt_event_t

mqtt_client.h:210

Lifecycle

esp_mqtt5_event_property_t is allocated by 1 symbol and is freed by 1 symbol:

esp_mqtt5_create_default_config()

esp_mqtt5_event_property_t

esp_mqtt5_client_destory()