efi/net/dns/rdata/
aaaa.rs1use crate::net::Ipv6Addr;
3
4use super::Error;
5use byteorder::{BigEndian, ByteOrder};
6
7#[derive(Debug, Clone, Copy)]
9pub struct Record(pub Ipv6Addr);
10
11impl<'a> super::Record<'a> for Record {
12
13 const TYPE: isize = 28;
14
15 fn parse(rdata: &'a [u8], _record: &'a [u8]) -> super::RDataResult<'a> {
16 if rdata.len() != 16 {
17 return Err(Error::WrongRdataLength);
18 }
19 let address = Ipv6Addr::new(
20 BigEndian::read_u16(&rdata[0..2]),
21 BigEndian::read_u16(&rdata[2..4]),
22 BigEndian::read_u16(&rdata[4..6]),
23 BigEndian::read_u16(&rdata[6..8]),
24 BigEndian::read_u16(&rdata[8..10]),
25 BigEndian::read_u16(&rdata[10..12]),
26 BigEndian::read_u16(&rdata[12..14]),
27 BigEndian::read_u16(&rdata[14..16]),
28 );
29 let record = Record(address);
30 Ok(super::RData::AAAA(record))
31 }
32}
33
34#[cfg(test)]
35mod test {
36
37 use {Packet, Header};
38 use Opcode::*;
39 use ResponseCode::NoError;
40 use QueryType as QT;
41 use QueryClass as QC;
42 use Class as C;
43 use RData;
44 use super::*;
45
46 #[test]
47 fn parse_response() {
48 let response = b"\xa9\xd9\x81\x80\x00\x01\x00\x01\x00\x00\x00\x00\x06\
49 google\x03com\x00\x00\x1c\x00\x01\xc0\x0c\x00\x1c\x00\x01\x00\x00\
50 \x00\x8b\x00\x10*\x00\x14P@\t\x08\x12\x00\x00\x00\x00\x00\x00 \x0e";
51
52 let packet = Packet::parse(response).unwrap();
53 assert_eq!(packet.header, Header {
54 id: 43481,
55 query: false,
56 opcode: StandardQuery,
57 authoritative: false,
58 truncated: false,
59 recursion_desired: true,
60 recursion_available: true,
61 authenticated_data: false,
62 checking_disabled: false,
63 response_code: NoError,
64 questions: 1,
65 answers: 1,
66 nameservers: 0,
67 additional: 0,
68 });
69
70 assert_eq!(packet.questions.len(), 1);
71 assert_eq!(packet.questions[0].qtype, QT::AAAA);
72 assert_eq!(packet.questions[0].qclass, QC::IN);
73 assert_eq!(&packet.questions[0].qname.to_string()[..], "google.com");
74 assert_eq!(packet.answers.len(), 1);
75 assert_eq!(&packet.answers[0].name.to_string()[..], "google.com");
76 assert_eq!(packet.answers[0].cls, C::IN);
77 assert_eq!(packet.answers[0].ttl, 139);
78 match packet.answers[0].data {
79 RData::AAAA(addr) => {
80 assert_eq!(addr.0, Ipv6Addr::new(
81 0x2A00, 0x1450, 0x4009, 0x812, 0, 0, 0, 0x200e)
82 );
83 }
84 ref x => panic!("Wrong rdata {:?}", x),
85 }
86 }
87}