mdns: Minor fix for mdns_service_remove()

shahpiyushv · suren-gabrielyan-espressif · commit 39de491597f5 · 2022-05-27T17:44:22.000+04:00
Send the Goodbye packet while removing an mDNS service as an "Authoritative" packet so that the listeners remove the service from their records immediately. * Original commit: espressif/esp-idf@5c7eb7e
diff --git a/components/mdns/mdns.c b/components/mdns/mdns.c
@@ -1419,6 +1419,7 @@ static void _mdns_pcb_send_bye(tcpip_adapter_if_t tcpip_if, mdns_ip_protocol_t i
     if (!packet) {
         return;
     }
+    packet->flags = MDNS_FLAGS_AUTHORITATIVE;
     size_t i;
     for (i=0; i<len; i++) {
         if (!_mdns_alloc_answer(&packet->answers, MDNS_TYPE_PTR, services[i]->service, true, true)) {

Original file line number	Diff line number	Diff line change
`@@ -1419,6 +1419,7 @@ static void _mdns_pcb_send_bye(tcpip_adapter_if_t tcpip_if, mdns_ip_protocol_t i`
`1419`	`1419`	`if (!packet) {`
`1420`	`1420`	`return;`
`1421`	`1421`	`}`
	`1422`	`+ packet->flags = MDNS_FLAGS_AUTHORITATIVE;`
`1422`	`1423`	`size_t i;`
`1423`	`1424`	`for (i=0; i<len; i++) {`
`1424`	`1425`	`if (!_mdns_alloc_answer(&packet->answers, MDNS_TYPE_PTR, services[i]->service, true, true)) {`