#include #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; }