Method: Addrinfo#ipv4_multicast?

Defined in:
raddrinfo.c

#ipv4_multicast? ⇒ Boolean

Returns true for IPv4 multicast address (224.0.0.0/4). It returns false otherwise.

Returns:

  • (Boolean) 


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# File 'raddrinfo.c', line 2552

static VALUE
addrinfo_ipv4_multicast_p(VALUE self)
{
    uint32_t a;
    if (!extract_in_addr(self, &a)) return Qfalse;
    if ((a & 0xf0000000) == 0xe0000000) /* 224.0.0.0/4 */
        return Qtrue;
    return Qfalse;
}