memset(&mreq, 0, sizeof(mreq));
mreq.imr_multiaddr = sa.sin_addr;
memset(&mreq, 0, sizeof(mreq));
mreq.imr_multiaddr = sa.sin_addr;
if (setsockopt(fd, SOL_IP, IP_ADD_MEMBERSHIP, &mreq, sizeof(mreq)) < 0) {
avahi_log_warn("IP_ADD_MEMBERSHIP failed: %s\n", strerror(errno));
if (setsockopt(fd, SOL_IP, IP_ADD_MEMBERSHIP, &mreq, sizeof(mreq)) < 0) {
avahi_log_warn("IP_ADD_MEMBERSHIP failed: %s\n", strerror(errno));
memset(&mreq6, 0, sizeof(mreq6));
mreq6.ipv6mr_multiaddr = sa6.sin6_addr;
memset(&mreq6, 0, sizeof(mreq6));
mreq6.ipv6mr_multiaddr = sa6.sin6_addr;
if (setsockopt(fd, SOL_IPV6, IPV6_ADD_MEMBERSHIP, &mreq6, sizeof(mreq6)) < 0) {
avahi_log_warn("IPV6_ADD_MEMBERSHIP failed: %s\n", strerror(errno));
if (setsockopt(fd, SOL_IPV6, IPV6_ADD_MEMBERSHIP, &mreq6, sizeof(mreq6)) < 0) {
avahi_log_warn("IPV6_ADD_MEMBERSHIP failed: %s\n", strerror(errno));
memset(&mreq, 0, sizeof(mreq));
mreq.imr_multiaddr = sa.sin_addr;
memset(&mreq, 0, sizeof(mreq));
mreq.imr_multiaddr = sa.sin_addr;
if (setsockopt(fd, SOL_IP, IP_DROP_MEMBERSHIP, &mreq, sizeof(mreq)) < 0) {
avahi_log_warn("IP_DROP_MEMBERSHIP failed: %s\n", strerror(errno));
if (setsockopt(fd, SOL_IP, IP_DROP_MEMBERSHIP, &mreq, sizeof(mreq)) < 0) {
avahi_log_warn("IP_DROP_MEMBERSHIP failed: %s\n", strerror(errno));
memset(&mreq6, 0, sizeof(mreq6));
mreq6.ipv6mr_multiaddr = sa6.sin6_addr;
memset(&mreq6, 0, sizeof(mreq6));
mreq6.ipv6mr_multiaddr = sa6.sin6_addr;
if (setsockopt(fd, SOL_IPV6, IPV6_DROP_MEMBERSHIP, &mreq6, sizeof(mreq6)) < 0) {
avahi_log_warn("IPV6_DROP_MEMBERSHIP failed: %s\n", strerror(errno));
if (setsockopt(fd, SOL_IPV6, IPV6_DROP_MEMBERSHIP, &mreq6, sizeof(mreq6)) < 0) {
avahi_log_warn("IPV6_DROP_MEMBERSHIP failed: %s\n", strerror(errno));