Add #ifdefs in case not all platforms support IPv4 and IPv6 multicast.

This commit is contained in:
Guus Sliepen 2012-03-25 13:40:55 +01:00
parent b5e3bf1a85
commit 2512040632

View file

@ -92,6 +92,7 @@ static bool setup_device(void) {
}
switch(ai->ai_family) {
#ifdef IP_ADD_MEMBERSHIP
case AF_INET: {
struct ip_mreq mreq;
struct sockaddr_in in;
@ -103,10 +104,16 @@ static bool setup_device(void) {
closesocket(device_fd);
return false;
}
#ifdef IP_MULTICAST_LOOP
setsockopt(device_fd, IPPROTO_IP, IP_MULTICAST_LOOP, &one, sizeof one);
#endif
#ifdef IP_MULTICAST_TTL
setsockopt(device_fd, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, sizeof ttl);
#endif
} break;
#endif
#ifdef IPV6_JOIN_GROUP
case AF_INET6: {
struct ipv6_mreq mreq;
struct sockaddr_in6 in6;
@ -118,9 +125,14 @@ static bool setup_device(void) {
closesocket(device_fd);
return false;
}
#ifdef IPV6_MULTICAST_LOOP
setsockopt(device_fd, IPPROTO_IPV6, IPV6_MULTICAST_LOOP, &one, sizeof one);
#endif
#ifdef IPV6_MULTICAST_HOPS
setsockopt(device_fd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, &ttl, sizeof ttl);
#endif
} break;
#endif
default:
logger(LOG_ERR, "Multicast for address family %hx unsupported", ai->ai_family);