IPSocket.getaddress

(::String host) -> ::String

IPSocket.getaddress(host) => ipaddress

static VALUE
ip_s_getaddress(VALUE obj, VALUE host)
{
    union_sockaddr addr;
    struct rb_addrinfo *res = rsock_addrinfo(host, Qnil, AF_UNSPEC, SOCK_STREAM, 0);
    socklen_t len = res->ai->ai_addrlen;

    /* just take the first one */
    memcpy(&addr, res->ai->ai_addr, len);
    rb_freeaddrinfo(res);

    return rsock_make_ipaddr(&addr.addr, len);
}

Lookups the IP address of host.

Example

require 'socket'

IPSocket.getaddress("localhost")     #=> "127.0.0.1"
IPSocket.getaddress("ip6-localhost") #=> "::1"

See also .getaddress_orig .valid_v6? also in 4.1 · 4.0 · 3.3 · 3.2 · 3.1 · 3.0

next ›.getaddress_orig