39 lines
1020 B
Rust
39 lines
1020 B
Rust
use bytes::Bytes;
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use errors::*;
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use ser::packet::{DnsPacketData, DnsPacketWriteContext};
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use ser::text::{DnsTextData, DnsTextFormatter, DnsTextContext, next_field};
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use std::fmt;
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use std::io::Cursor;
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/// timestamp in seconds since epoch (ignoring leap seconds)
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///
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/// Is expected to wrap around.
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#[derive(Clone, PartialEq, Eq, Debug)]
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pub struct Time(u32);
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impl DnsPacketData for Time {
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fn deserialize(data: &mut Cursor<Bytes>) -> Result<Self> {
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Ok(Time(DnsPacketData::deserialize(data)?))
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}
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fn serialize(&self, context: &mut DnsPacketWriteContext, packet: &mut Vec<u8>) -> Result<()> {
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self.0.serialize(context, packet)
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}
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}
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impl DnsTextData for Time {
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fn dns_parse(_context: &DnsTextContext, data: &mut &str) -> ::errors::Result<Self> {
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let field = next_field(data)?;
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let epoch = field.parse::<u32>();
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if field.len() == 14 && epoch.is_err() {
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unimplemented!()
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} else {
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Ok(Time(epoch?))
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}
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}
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fn dns_format(&self, f: &mut DnsTextFormatter) -> fmt::Result {
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write!(f, "{}", self.0)
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}
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}
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