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instance method

Socket::AncillaryData#ipv6_pktinfo_ifindex

ancdata.ipv6_pktinfo_ifindex => addr

static VALUE
ancillary_ipv6_pktinfo_ifindex(VALUE self)
{
    struct in6_pktinfo pktinfo;
    struct sockaddr_in6 sa;
    extract_ipv6_pktinfo(self, &pktinfo, &sa);
    return UINT2NUM(pktinfo.ipi6_ifindex);
}

Extracts 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_ifindex #=> 0

See also #ipv6_pktinfo_addr #level #ipv6_pktinfo #timestamp also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1

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