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use std::net::Ipv6Addr;
use Error;
use byteorder::{BigEndian, ByteOrder};
#[derive(Debug, PartialEq, Eq, Clone, Copy)]
pub struct Record(pub Ipv6Addr);
impl<'a> super::Record<'a> for Record {
const TYPE: isize = 28;
fn parse(rdata: &'a [u8], _record: &'a [u8]) -> super::RDataResult<'a> {
if rdata.len() != 16 {
return Err(Error::WrongRdataLength);
}
let address = Ipv6Addr::new(
BigEndian::read_u16(&rdata[0..2]),
BigEndian::read_u16(&rdata[2..4]),
BigEndian::read_u16(&rdata[4..6]),
BigEndian::read_u16(&rdata[6..8]),
BigEndian::read_u16(&rdata[8..10]),
BigEndian::read_u16(&rdata[10..12]),
BigEndian::read_u16(&rdata[12..14]),
BigEndian::read_u16(&rdata[14..16]),
);
let record = Record(address);
Ok(super::RData::AAAA(record))
}
}
#[cfg(test)]
mod test {
use {Packet, Header};
use Opcode::*;
use ResponseCode::NoError;
use QueryType as QT;
use QueryClass as QC;
use Class as C;
use RData;
use super::*;
#[test]
fn parse_response() {
let response = b"\xa9\xd9\x81\x80\x00\x01\x00\x01\x00\x00\x00\x00\x06\
google\x03com\x00\x00\x1c\x00\x01\xc0\x0c\x00\x1c\x00\x01\x00\x00\
\x00\x8b\x00\x10*\x00\x14P@\t\x08\x12\x00\x00\x00\x00\x00\x00 \x0e";
let packet = Packet::parse(response).unwrap();
assert_eq!(packet.header, Header {
id: 43481,
query: false,
opcode: StandardQuery,
authoritative: false,
truncated: false,
recursion_desired: true,
recursion_available: true,
authenticated_data: false,
checking_disabled: false,
response_code: NoError,
questions: 1,
answers: 1,
nameservers: 0,
additional: 0,
});
assert_eq!(packet.questions.len(), 1);
assert_eq!(packet.questions[0].qtype, QT::AAAA);
assert_eq!(packet.questions[0].qclass, QC::IN);
assert_eq!(&packet.questions[0].qname.to_string()[..], "google.com");
assert_eq!(packet.answers.len(), 1);
assert_eq!(&packet.answers[0].name.to_string()[..], "google.com");
assert_eq!(packet.answers[0].cls, C::IN);
assert_eq!(packet.answers[0].ttl, 139);
match packet.answers[0].data {
RData::AAAA(addr) => {
assert_eq!(addr.0, Ipv6Addr::new(
0x2A00, 0x1450, 0x4009, 0x812, 0, 0, 0, 0x200e)
);
}
ref x => panic!("Wrong rdata {:?}", x),
}
}
}