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

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This commit is contained in:
Guus Sliepen 2012-03-25 13:40:55 +01:00
parent b5e3bf1a85
commit 2512040632
1 changed files with 12 additions and 0 deletions
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12
src/multicast_device.c
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@ -92,6 +92,7 @@ static bool setup_device(void) {
} }
switch(ai->ai_family) { switch(ai->ai_family) {
#ifdef IP_ADD_MEMBERSHIP
case AF_INET: { case AF_INET: {
struct ip_mreq mreq; struct ip_mreq mreq;
struct sockaddr_in in; struct sockaddr_in in;
@ -103,10 +104,16 @@ static bool setup_device(void) {
closesocket(device_fd); closesocket(device_fd);
return false; return false;
} }
#ifdef IP_MULTICAST_LOOP
setsockopt(device_fd, IPPROTO_IP, IP_MULTICAST_LOOP, &one, sizeof one); 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); setsockopt(device_fd, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, sizeof ttl);
#endif
} break; } break;
#endif
#ifdef IPV6_JOIN_GROUP
case AF_INET6: { case AF_INET6: {
struct ipv6_mreq mreq; struct ipv6_mreq mreq;
struct sockaddr_in6 in6; struct sockaddr_in6 in6;
@ -118,9 +125,14 @@ static bool setup_device(void) {
closesocket(device_fd); closesocket(device_fd);
return false; return false;
} }
#ifdef IPV6_MULTICAST_LOOP
setsockopt(device_fd, IPPROTO_IPV6, IPV6_MULTICAST_LOOP, &one, sizeof one); 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); setsockopt(device_fd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, &ttl, sizeof ttl);
#endif
} break; } break;
#endif
default: default:
logger(LOG_ERR, "Multicast for address family %hx unsupported", ai->ai_family); logger(LOG_ERR, "Multicast for address family %hx unsupported", ai->ai_family);