mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
|
#include <stdio.h>
|
||
|
|
#include "mdns.h"
|
||
|
|
#include "esp_log.h"
|
||
|
|
#include "freertos/FreeRTOS.h"
|
||
|
|
#include "freertos/task.h"
|
||
|
|
|
||
|
|
static const char *TAG = "mdns-test";
|
||
|
|
|
||
|
|
static void query_mdns_host(const char * host_name)
|
||
|
|
{
|
||
|
|
ESP_LOGI(TAG, "Query A: %s.local", host_name);
|
||
|
|
|
||
|
|
struct esp_ip4_addr addr;
|
||
|
|
addr.addr = 0;
|
||
|
|
|
||
|
|
esp_err_t err = mdns_query_a(host_name, 2000, &addr);
|
||
|
|
if(err){
|
||
|
|
if(err == ESP_ERR_NOT_FOUND){
|
||
|
|
ESP_LOGW(TAG, "%x: Host was not found!", (err));
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
ESP_LOGE(TAG, "Query Failed: %x", (err));
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
ESP_LOGI(TAG, "Query A: %s.local resolved to: " IPSTR, host_name, IP2STR(&addr));
|
||
|
|
}
|
||
|
|
|
||
|
|
int main(int argc , char *argv[])
|
||
|
|
{
|
||
|
|
|
||
|
|
setvbuf(stdout, NULL, _IONBF, 0);
|
||
|
|
const esp_netif_inherent_config_t base_cg = { .if_key = "WIFI_STA_DEF", .if_desc = "eth2" };
|
||
|
|
esp_netif_config_t cfg = { .base = &base_cg };
|
||
|
|
esp_netif_t *sta = esp_netif_new(&cfg);
|
||
|
|
|
||
|
|
mdns_init();
|
||
|
|
|
||
|
|
mdns_hostname_set("myesp");
|
||
|
|
ESP_LOGI(TAG, "mdns hostname set to: [%s]", "myesp");
|
||
|
|
//set default mDNS instance name
|
||
|
|
mdns_instance_name_set("myesp-inst");
|
||
|
|
//structure with TXT records
|
||
|
|
mdns_txt_item_t serviceTxtData[3] = {
|
||
|
|
{"board","esp32"},
|
||
|
|
{"u","user"},
|
||
|
|
{"p","password"}
|
||
|
|
};
|
||
|
|
vTaskDelay(1000);
|
||
|
|
ESP_ERROR_CHECK(mdns_service_add("myesp-service2", "_http", "_tcp", 80, serviceTxtData, 3));
|
||
|
|
vTaskDelay(2000);
|
||
|
|
|
||
|
|
query_mdns_host("david-comp");
|
||
|
|
vTaskDelay(2000);
|
||
|
|
esp_netif_destroy(sta);
|
||
|
|
mdns_free();
|
||
|
|
ESP_LOGI(TAG, "Exit");
|
||
|
|
return 0;
|
||
|
|
}
|