netlink_packet_route/nsid/
message.rs

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1// SPDX-License-Identifier: MIT
2
3use crate::nsid::{NsidAttribute, NsidError, NsidHeader, NsidMessageBuffer};
4use netlink_packet_utils::traits::{Emitable, Parseable};
5
6#[derive(Debug, PartialEq, Eq, Clone, Default)]
7#[non_exhaustive]
8pub struct NsidMessage {
9    pub header: NsidHeader,
10    pub attributes: Vec<NsidAttribute>,
11}
12
13impl<'a, T: AsRef<[u8]> + 'a> Parseable<NsidMessageBuffer<&'a T>> for NsidMessage {
14    type Error = NsidError;
15    fn parse(buf: &NsidMessageBuffer<&'a T>) -> Result<Self, NsidError> {
16        Ok(Self {
17            // unwrap: parsing the header can't fail
18            header: NsidHeader::parse(buf).unwrap(),
19            attributes: Vec::<NsidAttribute>::parse(buf)?,
20        })
21    }
22}
23
24impl<'a, T: AsRef<[u8]> + 'a> Parseable<NsidMessageBuffer<&'a T>> for Vec<NsidAttribute> {
25    type Error = NsidError;
26    fn parse(buf: &NsidMessageBuffer<&'a T>) -> Result<Self, NsidError> {
27        let mut attributes = vec![];
28        for nla_buf in buf.attributes() {
29            attributes.push(NsidAttribute::parse(&nla_buf?)?);
30        }
31        Ok(attributes)
32    }
33}
34
35impl Emitable for NsidMessage {
36    fn buffer_len(&self) -> usize {
37        self.header.buffer_len() + self.attributes.as_slice().buffer_len()
38    }
39
40    fn emit(&self, buffer: &mut [u8]) {
41        self.header.emit(buffer);
42        self.attributes.as_slice().emit(&mut buffer[self.header.buffer_len()..]);
43    }
44}
netlink_packet_route/nsid/message.rs

netlink_packet_route/nsid/
message.rs
