netlink_packet_route/rtnl/address/nlas/
cache_info.rs

1// SPDX-License-Identifier: MIT
2
3use netlink_packet_utils::{
4    traits::{Emitable, Parseable},
5    DecodeError,
6};
7
8#[derive(Debug, Clone, Copy, Eq, PartialEq, Default)]
9#[non_exhaustive]
10pub struct CacheInfo {
11    pub ifa_preferred: i32,
12    pub ifa_valid: i32,
13    pub cstamp: i32,
14    pub tstamp: i32,
15}
16
17pub const ADDRESSS_CACHE_INFO_LEN: usize = 16;
18buffer!(CacheInfoBuffer(ADDRESSS_CACHE_INFO_LEN) {
19    ifa_preferred: (i32, 0..4),
20    ifa_valid: (i32, 4..8),
21    cstamp: (i32, 8..12),
22    tstamp: (i32, 12..16),
23});
24
25impl<T: AsRef<[u8]>> Parseable<CacheInfoBuffer<T>> for CacheInfo {
26    fn parse(buf: &CacheInfoBuffer<T>) -> Result<Self, DecodeError> {
27        Ok(CacheInfo {
28            ifa_preferred: buf.ifa_preferred(),
29            ifa_valid: buf.ifa_valid(),
30            cstamp: buf.cstamp(),
31            tstamp: buf.tstamp(),
32        })
33    }
34}
35
36impl Emitable for CacheInfo {
37    fn buffer_len(&self) -> usize {
38        ADDRESSS_CACHE_INFO_LEN
39    }
40
41    fn emit(&self, buffer: &mut [u8]) {
42        let mut buffer = CacheInfoBuffer::new(buffer);
43        buffer.set_ifa_preferred(self.ifa_preferred);
44        buffer.set_ifa_valid(self.ifa_valid);
45        buffer.set_cstamp(self.cstamp);
46        buffer.set_tstamp(self.tstamp);
47    }
48}