netlink_packet_route/rtnl/address/nlas/
cache_info.rs

1// SPDX-License-Identifier: MIT
2
3use crate::{
4    traits::{Emitable, Parseable},
5    DecodeError,
6};
7
8#[derive(Debug, Clone, Copy, Eq, PartialEq, Default)]
9pub struct CacheInfo {
10    pub ifa_preferred: i32,
11    pub ifa_valid: i32,
12    pub cstamp: i32,
13    pub tstamp: i32,
14}
15
16pub const ADDRESSS_CACHE_INFO_LEN: usize = 16;
17buffer!(CacheInfoBuffer(ADDRESSS_CACHE_INFO_LEN) {
18    ifa_preferred: (i32, 0..4),
19    ifa_valid: (i32, 4..8),
20    cstamp: (i32, 8..12),
21    tstamp: (i32, 12..16),
22});
23
24impl<T: AsRef<[u8]>> Parseable<CacheInfoBuffer<T>> for CacheInfo {
25    fn parse(buf: &CacheInfoBuffer<T>) -> Result<Self, DecodeError> {
26        Ok(CacheInfo {
27            ifa_preferred: buf.ifa_preferred(),
28            ifa_valid: buf.ifa_valid(),
29            cstamp: buf.cstamp(),
30            tstamp: buf.tstamp(),
31        })
32    }
33}
34
35impl Emitable for CacheInfo {
36    fn buffer_len(&self) -> usize {
37        ADDRESSS_CACHE_INFO_LEN
38    }
39
40    fn emit(&self, buffer: &mut [u8]) {
41        let mut buffer = CacheInfoBuffer::new(buffer);
42        buffer.set_ifa_preferred(self.ifa_preferred);
43        buffer.set_ifa_valid(self.ifa_valid);
44        buffer.set_cstamp(self.cstamp);
45        buffer.set_tstamp(self.tstamp);
46    }
47}