netlink_packet_generic/
header.rs

1// SPDX-License-Identifier: MIT
2
3//! header definition of generic netlink packet
4use crate::{buffer::GenlBuffer, constants::GENL_HDRLEN};
5use netlink_packet_core::{DecodeError, Emitable, Parseable};
6
7/// Generic Netlink header
8#[derive(Clone, Copy, Debug, PartialEq, Eq)]
9pub struct GenlHeader {
10    pub cmd: u8,
11    pub version: u8,
12}
13
14impl Emitable for GenlHeader {
15    fn buffer_len(&self) -> usize {
16        GENL_HDRLEN
17    }
18
19    fn emit(&self, buffer: &mut [u8]) {
20        let mut packet = GenlBuffer::new(buffer);
21        packet.set_cmd(self.cmd);
22        packet.set_version(self.version);
23    }
24}
25
26impl<T: AsRef<[u8]>> Parseable<GenlBuffer<T>> for GenlHeader {
27    fn parse(buf: &GenlBuffer<T>) -> Result<Self, DecodeError> {
28        Ok(Self {
29            cmd: buf.cmd(),
30            version: buf.version(),
31        })
32    }
33}
netlink_packet_generic/header.rs

netlink_packet_generic/
header.rs
