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SourceVuESP-IDF Framework and Examplesrestful_server samplemdns_query_ptr()

mdns_query_ptr() function

Query mDNS for service

Syntax

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Summary

Declaration

Definition

from mdns.h:758

esp_err_t mdns_query_ptr(const char *service_type, const char *proto, uint32_t timeout, size_t max_results, mdns_result_t **results);

Implemented in mdns.c:6882

Arguments

Argument

Description

service_type

service type (_http, _arduino, _ftp etc.)

proto

service protocol (_tcp, _udp, etc.)

timeout

time in milliseconds to wait for answer.

max_results

maximum results to be collected

results

pointer to the results of the query

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_ptr(const char *service, const char *proto, uint32_t timeout, size_t max_results, mdns_result_t **results)

mdns.c:6882

esp_err_t mdns_query_ptr(const char *service_type, const char *proto, uint32_t timeout, size_t max_results, mdns_result_t **results);

mdns.h:758

esp_err_t err = mdns_query_ptr(service, proto, timeout, max_results, &results);

mdns_console.c:332

cmd_mdns_query_ptr()

Call Tree

mdns_query_ptr() is called by 1 function and calls 2 functions:

cmd_mdns_query_ptr()

mdns_query_ptr()

mdns_query()

_str_null_or_empty()

Data Use

mdns_query_ptr():

mdns_query_ptr()

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