Multicast apperantly broken since sdkupdate in esp8266/Arduino repository

[Monarch73]

Hi..

The following code stopped working since commit 0c897c37a6eab3eab34147219617945a32a9b155 (15oct2017) in the esp8266/Arduino repository. It won't receive SSDP-Broadcasts anymore which is used by UPNP/DLNA Network Devices to announce their services.

When you go back to checkout 2c2d6a3bad29249c6954c2c61a83a3e4ff847da6 (12oct2017), its working again.

I assume it have something to do with the sdk-update...

#include <ESP8266WiFi.h>
#include "ESPAsyncUDP.h"

const char * ssid = "...";
const char * password = "...";

AsyncUDP udp;

void setup() {
   Serial.begin(115200);
    WiFi.mode(WIFI_STA);
    WiFi.begin(ssid, password);
    if (WiFi.waitForConnectResult() != WL_CONNECTED) {
        Serial.println("WiFi Failed");
        while(1) {
            delay(1000);
        }
    }
    if(udp.listenMulticast(IPAddress(239,255,255,250), 1900)) {
        Serial.print("UDP Listening on IP: ");
        Serial.println(WiFi.localIP());
        udp.onPacket([](AsyncUDPPacket packet) {
            Serial.print("UDP Packet Type: ");
            Serial.print(packet.isBroadcast()?"Broadcast":packet.isMulticast()?"Multicast":"Unicast");
            Serial.print(", From: ");
            Serial.print(packet.remoteIP());
            Serial.print(":");
            Serial.print(packet.remotePort());
            Serial.print(", To: ");
            Serial.print(packet.localIP());
            Serial.print(":");
            Serial.print(packet.localPort());
            Serial.print(", Length: ");
            Serial.print(packet.length());
            Serial.print(", Data: ");
            Serial.write(packet.data(), packet.length());
            Serial.println();
            //reply to the client
            packet.printf("Got %u bytes of data", packet.length());
        });
        //Send multicast
        udp.print("Hello!");
    }
}

void loop() {
  // put your main code here, to run repeatedly:

}

[Monarch73]

Hi me-no-dev,

can I please get a quick comment from you on this one? Because this one is like really killing me...

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