int uv_udp_set_multicast_loop(uv_udp_t* handle, int on) {
/*
* On Solaris and derivatives such as SmartOS, the length of socket options
* is sizeof(int) for IPV6_MULTICAST_LOOP and sizeof(char) for
* IP_MULTICAST_LOOP, so hardcode the size of the option in the IPv6 case,
* and use the general uv__setsockopt_maybe_char call otherwise.
*/
#if defined(__sun) || defined(_AIX)
if (handle->flags & UV_HANDLE_IPV6)
return uv__setsockopt(handle,
IP_MULTICAST_LOOP,
IPV6_MULTICAST_LOOP,
&on,
sizeof(on));
#endif /* defined(__sun) || defined(_AIX) */
return uv__setsockopt_maybe_char(handle,
IP_MULTICAST_LOOP,
IPV6_MULTICAST_LOOP,
on);
}
int uv_udp_set_ttl(uv_udp_t* handle, int ttl) {
if (ttl < 1 || ttl > 255)
return -EINVAL;
/*
* On Solaris and derivatives such as SmartOS, the length of socket options
* is sizeof(int) for IP_TTL and IPV6_UNICAST_HOPS,
* so hardcode the size of these options on this platform,
* and use the general uv__setsockopt_maybe_char call on other platforms.
*/
#if defined(__sun) || defined(_AIX)
return uv__setsockopt(handle,
IP_TTL,
IPV6_UNICAST_HOPS,
&ttl,
sizeof(ttl));
#endif /* defined(__sun) || defined(_AIX) */
return uv__setsockopt_maybe_char(handle,
IP_TTL,
IPV6_UNICAST_HOPS,
ttl);
}
int uv_udp_set_multicast_loop(uv_udp_t* handle, int on) {
return uv__setsockopt_maybe_char(handle, IP_MULTICAST_LOOP, on);
}
int uv_udp_set_multicast_ttl(uv_udp_t* handle, int ttl) {
return uv__setsockopt_maybe_char(handle, IP_MULTICAST_TTL, ttl);
}