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Replace hardcoded TTL values with named defines

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- Replaces hardcoded PTR "half-TTL" with `MDNS_ANSWER_PTR_TTL/2` (defined in mdns_private.h)
- Replaces hardcoded TXT "half-TTL" with `MDNS_ANSWER_TXT_TTL/2` (defined in mdns_private.h)
This commit is contained in:
John
2022-08-23 08:44:36 -04:00
committed by GitHub
parent 8f00fc182a
commit bb4c002841
1 changed files with 2 additions and 2 deletions
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4
components/mdns/mdns.c
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@ -3520,7 +3520,7 @@ void mdns_parse_packet(mdns_rx_packet_t * packet)
_mdns_remove_parsed_question(parsed_packet, type, service);
} else if (service) {
//check if TTL is more than half of the full TTL value (4500)
if (ttl > 2250) {
if (ttl > (MDNS_ANSWER_PTR_TTL/2)) {
_mdns_remove_scheduled_answer(packet->tcpip_if, packet->ip_protocol, type, service);
}
}
@ -3675,7 +3675,7 @@ void mdns_parse_packet(mdns_rx_packet_t * packet)
if (col && !_mdns_server->interfaces[packet->tcpip_if].pcbs[packet->ip_protocol].probe_running && service) {
do_not_reply = true;
_mdns_init_pcb_probe(packet->tcpip_if, packet->ip_protocol, &service, 1, true);
} else if (ttl > 2250 && !col && !parsed_packet->authoritative && !parsed_packet->probe && !parsed_packet->questions && !_mdns_server->interfaces[packet->tcpip_if].pcbs[packet->ip_protocol].probe_running) {
} else if (ttl > (MDNS_ANSWER_TXT_TTL/2) && !col && !parsed_packet->authoritative && !parsed_packet->probe && !parsed_packet->questions && !_mdns_server->interfaces[packet->tcpip_if].pcbs[packet->ip_protocol].probe_running) {
_mdns_remove_scheduled_answer(packet->tcpip_if, packet->ip_protocol, type, service);
}
}