import ipv4;
import dns;

let client = 192.168.238.112;
let server = 142.250.207.36;
let google = 8.8.8.8;

let dns = ipv4::udp::flow(
  client/13749,
  google/53,
);

let frag = ipv4::frag(
  client,
  google,
  id: 0x2345,
  proto: ipv4::proto::UDP,
  dns.client_raw_dgram(
    dns::hdr(
      id: 0x1234,
      flags: dns::flags(
        opcode: dns::opcode::QUERY,
        rd: 1,
      ),
      qdcount: 1,
    ),
    dns::question(
      qname: dns::name("www", "google", "com"),
      qtype: dns::type::A,
      qclass: dns::class::IN,
    )
  )
);

frag.fragment(0, 1);
frag.tail(1);