mdns

[FedericoBusero]

#ifdef USE_SOFTAP
#include <DNSServer.h>
DNSServer dnsServer;
#else
#if defined(ESP32)
#include <ESPmDNS.h>
#else
#include <ESP8266mDNS.h>
#endif
#endif

...

if (!MDNS.begin(host_name)) {
#ifdef DEBUG_SERIAL
DEBUG_SERIAL.println("Error starting mDNS");
#endif
return;
}

// Add service to MDNS-SD
MDNS.addService("http", "tcp", 80);
// TODO also add websocket ??

#endif // USE_SOFTAP

...
#if !defined(ESP32)
//We don't need to call this explicitly on ESP32 but we do on 8266
MDNS.update();
#endif