From 251204063255d95910f9a079015e2f9b428fd983 Mon Sep 17 00:00:00 2001 From: Guus Sliepen Date: Sun, 25 Mar 2012 13:40:55 +0100 Subject: [PATCH] Add #ifdefs in case not all platforms support IPv4 and IPv6 multicast. --- src/multicast_device.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/src/multicast_device.c b/src/multicast_device.c index 392fd371..495f8fc9 100644 --- a/src/multicast_device.c +++ b/src/multicast_device.c @@ -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);