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SourceVuESP-IDF Framework and Examplesrestful_server samplemdns_query_aaaa()

mdns_query_aaaa() function

Query mDNS for A record Please note that hostname must not contain domain name, as mDNS uses '.local' domain.

Syntax

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Summary

Declaration

Definition

from mdns.h:861

esp_err_t mdns_query_aaaa(const char *host_name, uint32_t timeout, esp_ip6_addr_t *addr);

Implemented in mdns.c:6979

Arguments

Argument

Description

host_name

host name to look for

timeout

time in milliseconds to wait for answer. If 0, max_results needs to be defined

addr

pointer to the resulting IP6 address

Return value

- ESP_OK success - ESP_ERR_INVALID_STATE mDNS is not running - ESP_ERR_NO_MEM memory error - ESP_ERR_INVALID_ARG parameter error

References

Code

Location

Referrer

esp_err_t mdns_query_aaaa(const char *name, uint32_t timeout, esp_ip6_addr_t *addr)

mdns.c:6979

esp_err_t mdns_query_aaaa(const char *host_name, uint32_t timeout, esp_ip6_addr_t *addr);

mdns.h:861

esp_err_t err = mdns_query_aaaa(hostname, timeout, &addr);

mdns_console.c:144

cmd_mdns_query_aaaa()

Call Tree

mdns_query_aaaa() is called by 1 function and calls 5 functions:

cmd_mdns_query_aaaa()

mdns_query_aaaa()

esp_log_timestamp()

esp_log_write()

mdns_query()

mdns_query_results_free()

_str_null_or_empty()

Data Use

mdns_query_aaaa() reads 13 variables:

esp_log_level_t::ESP_LOG_ERROR

esp_log_level_t::ESP_LOG_WARN

esp_log_level_t::ESP_LOG_INFO

esp_log_level_t::ESP_LOG_DEBUG

esp_log_level_t::ESP_LOG_VERBOSE

mdns_query_aaaa()

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