instance method
Socket::AncillaryData#ipv6_pktinfo
() -> [ ::Addrinfo, ::Integer ]
ancdata.ipv6_pktinfo => [addr, ifindex]
ext/socket/ancdata.c
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static VALUE
ancillary_ipv6_pktinfo(VALUE self)
{
struct in6_pktinfo pktinfo;
struct sockaddr_in6 sa;
VALUE v_addr;
extract_ipv6_pktinfo(self, &pktinfo, &sa);
v_addr = rsock_addrinfo_new((struct sockaddr *)&sa, (socklen_t)sizeof(sa), PF_INET6, 0, 0, Qnil, Qnil);
return rb_ary_new3(2, v_addr, UINT2NUM(pktinfo.ipi6_ifindex));
}
Extracts addr and ifindex from IPV6_PKTINFO ancillary data.
IPV6_PKTINFO is defined by RFC 3542.
Example
addr = Addrinfo.ip("::1") ifindex = 0 ancdata = Socket::AncillaryData.ipv6_pktinfo(addr, ifindex) p ancdata.ipv6_pktinfo #=> [#<Addrinfo: ::1>, 0]
See also
.ipv6_pktinfo
#ip_pktinfo
#ipv6_pktinfo_addr
#int
also in
4.1 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0