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use crate::{ traits::{Emitable, Parseable}, DecodeError, }; #[derive(Debug, Clone, Copy, Eq, PartialEq, Default)] pub struct CacheInfo { pub ifa_preferred: i32, pub ifa_valid: i32, pub cstamp: i32, pub tstamp: i32, } pub const ADDRESSS_CACHE_INFO_LEN: usize = 16; buffer!(CacheInfoBuffer(ADDRESSS_CACHE_INFO_LEN) { ifa_preferred: (i32, 0..4), ifa_valid: (i32, 4..8), cstamp: (i32, 8..12), tstamp: (i32, 12..16), }); impl<T: AsRef<[u8]>> Parseable<CacheInfoBuffer<T>> for CacheInfo { fn parse(buf: &CacheInfoBuffer<T>) -> Result<Self, DecodeError> { Ok(CacheInfo { ifa_preferred: buf.ifa_preferred(), ifa_valid: buf.ifa_valid(), cstamp: buf.cstamp(), tstamp: buf.tstamp(), }) } } impl Emitable for CacheInfo { fn buffer_len(&self) -> usize { ADDRESSS_CACHE_INFO_LEN } fn emit(&self, buffer: &mut [u8]) { let mut buffer = CacheInfoBuffer::new(buffer); buffer.set_ifa_preferred(self.ifa_preferred); buffer.set_ifa_valid(self.ifa_valid); buffer.set_cstamp(self.cstamp); buffer.set_tstamp(self.tstamp); } }