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SourceVuESP-IDF Framework and ExamplesESP-IDFesp_mqtt5_publish_property_config_t::topic_alias

esp_mqtt5_publish_property_config_t::topic_alias field

An interger value to identify the topic instead of using topic name string

Syntax

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Summary

Declaration

from mqtt5_client.h:96

uint16_t topic_alias;

Examples

esp_mqtt5_publish_property_config_t::topic_alias is referenced by 1 libraries and example projects:

mqtt5 sample

References

from 0/1 examples

Code

Location

Referrer

uint16_t topic_alias; /*!< An interger value to identify the topic instead of using topic name string */

mqtt5_client.h:96

if (property->topic_alias > client->mqtt5_config->server_resp_property_info.topic_alias_maximum) {

mqtt5_client.c:426

esp_mqtt5_client_set_publish_property()

ESP_LOGE(TAG, "Topic alias %d is bigger than server support %d", property->topic_alias, client->mqtt5_config->server_resp_property_info.topic_alias_maximum);

mqtt5_client.c:427

esp_mqtt5_client_set_publish_property()

if ((topic == NULL || topic[0] == '\0') && (!property || !property->topic_alias)){

mqtt5_msg.c:727

mqtt5_msg_publish()

if (property->topic_alias) {

mqtt5_msg.c:756

mqtt5_msg_publish()

APPEND_CHECK(append_property(connection, MQTT5_PROPERTY_TOPIC_ALIAS, 2, NULL, property->topic_alias), fail_message(connection));

mqtt5_msg.c:757

mqtt5_msg_publish()

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Data Use

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esp_mqtt5_publish_property_config_t::topic_alias is read by 2 functions:

esp_mqtt5_publish_property_config_t::topic_alias

mqtt5_msg_publish()

esp_mqtt5_client_set_publish_property()

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