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SourceVuESP-IDF Framework and Examplesrestful_server samplemdns_service_add()

mdns_service_add() function

Add service to mDNS server

Syntax

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Summary

Declaration

Definition

from mdns.h:259

esp_err_t mdns_service_add(const char *instance_name, const char *service_type, const char *proto, uint16_t port, mdns_txt_item_t txt[], size_t num_items);

Implemented in mdns.c:6031

Arguments

Argument

Description

instance_name

instance name to set. If NULL, global instance name or hostname will be used. Note that MDNS_MULTIPLE_INSTANCE config option needs to be enabled for adding multiple instances with the same instance type.

service_type

service type (_http, _ftp, etc)

proto

service protocol (_tcp, _udp)

port

service port

txt

string array of TXT data (eg. {{"var","val"},{"other","2"}})

num_items

number of items in TXT data

Return value

- ESP_OK success - ESP_ERR_INVALID_ARG Parameter error - ESP_ERR_NO_MEM memory error - ESP_FAIL failed to add service

Notes

The value length of txt items will be automatically decided by strlen

References

Code

Location

Referrer

esp_err_t mdns_service_add(const char *instance, const char *service, const char *proto, uint16_t port,

mdns.c:6031

esp_err_t mdns_service_add(const char *instance_name, const char *service_type, const char *proto, uint16_t port, mdns_txt_item_t txt[], size_t num_items);

mdns.h:259

ESP_ERROR_CHECK(mdns_service_add("ESP32-WebServer", "_http", "_tcp", 80, serviceTxtData,

esp_rest_main.c:43

initialise_mdns()

Call Tree

mdns_service_add() is called by 1 function and calls 1 function:

initialise_mdns()

mdns_service_add()

mdns_service_add_for_host()

Data Use

mdns_service_add() reads 1 variable:

_mdns_server

mdns_service_add()

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