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Port MDNS to new dual-stack API

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This commit is contained in:
Dirk Ziegelmeier 2016-08-14 16:47:45 +02:00
parent ebe0e6f98d
commit 2335c1a73c
1 changed files with 8 additions and 30 deletions
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38
src/apps/mdns/mdns.c
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@ -107,14 +107,7 @@ static const ip_addr_t v6group = IPADDR6_INIT(PP_HTONL(0xFF020000UL), PP_HTONL(0
#define DOMAIN_JUMP_SIZE 2
#define DOMAIN_JUMP 0xc000
static struct mdns_data {
#if LWIP_IPV4
struct udp_pcb *v4pcb;
#endif
#if LWIP_IPV6
struct udp_pcb *v6pcb;
#endif
} mdns_data;
static struct udp_pcb *mdns_pcb;
#define TOPDOMAIN_LOCAL "local"
@ -1450,7 +1443,6 @@ mdns_send_outpacket(struct mdns_outpacket *outpkt)
if (outpkt->pbuf) {
const ip_addr_t *mcast_destaddr;
struct udp_pcb *pcb = NULL;
struct dns_hdr hdr;
/* Write header */
@ -1470,20 +1462,18 @@ mdns_send_outpacket(struct mdns_outpacket *outpkt)
if (IP_IS_V6_VAL(outpkt->dest_addr)) {
#if LWIP_IPV6
mcast_destaddr = &v6group;
pcb = mdns_data.v6pcb;
#endif
} else {
#if LWIP_IPV4
mcast_destaddr = &v4group;
pcb = mdns_data.v4pcb;
#endif
}
/* Send created packet */
LWIP_DEBUGF(MDNS_DEBUG, ("MDNS: Sending packet, len=%d, unicast=%d\n", outpkt->write_offset, outpkt->unicast_reply));
if (outpkt->unicast_reply) {
udp_sendto_if(pcb, outpkt->pbuf, &outpkt->dest_addr, outpkt->dest_port, outpkt->netif);
udp_sendto_if(mdns_pcb, outpkt->pbuf, &outpkt->dest_addr, outpkt->dest_port, outpkt->netif);
} else {
udp_sendto_if(pcb, outpkt->pbuf, mcast_destaddr, MDNS_PORT, outpkt->netif);
udp_sendto_if(mdns_pcb, outpkt->pbuf, mcast_destaddr, MDNS_PORT, outpkt->netif);
}
}
@ -1858,25 +1848,13 @@ void
mdns_resp_init(void)
{
err_t res;
memset(&mdns_data, 0, sizeof(mdns_data));
#if LWIP_IPV4
mdns_data.v4pcb = udp_new();
LWIP_ASSERT("Failed to allocate pcb", mdns_data.v4pcb != NULL);
udp_set_multicast_ttl(mdns_data.v4pcb, MDNS_TTL);
res = udp_bind(mdns_data.v4pcb, IP_ADDR_ANY, MDNS_PORT);
mdns_pcb = udp_new_ip_type(IPADDR_TYPE_ANY);
LWIP_ASSERT("Failed to allocate pcb", mdns_pcb != NULL);
udp_set_multicast_ttl(mdns_pcb, MDNS_TTL);
res = udp_bind(mdns_pcb, IP_ADDR_ANY, MDNS_PORT);
LWIP_ASSERT("Failed to bind pcb", res == ERR_OK);
udp_recv(mdns_data.v4pcb, mdns_recv, &mdns_data);
#endif
#if LWIP_IPV6
mdns_data.v6pcb = udp_new_ip6();
LWIP_ASSERT("Failed to allocate pcb", mdns_data.v6pcb != NULL);
udp_set_multicast_ttl(mdns_data.v6pcb, MDNS_TTL);
res = udp_bind(mdns_data.v6pcb, IP6_ADDR_ANY, MDNS_PORT);
LWIP_ASSERT("Failed to bind pcb", res == ERR_OK);
udp_recv(mdns_data.v6pcb, mdns_recv, &mdns_data);
#endif
udp_recv(mdns_pcb, mdns_recv, NULL);
}
/**