kratanet/
pkt.rs

1use anyhow::Result;
2use etherparse::{Ethernet2Slice, Ipv4Slice, Ipv6Slice, LinkSlice, NetSlice, SlicedPacket};
3
4pub enum RecvPacketIp<'a> {
5    Ipv4(&'a Ipv4Slice<'a>),
6    Ipv6(&'a Ipv6Slice<'a>),
7}
8
9pub struct RecvPacket<'a> {
10    pub raw: &'a [u8],
11    pub slice: &'a SlicedPacket<'a>,
12    pub ether: Option<&'a Ethernet2Slice<'a>>,
13    pub ip: Option<RecvPacketIp<'a>>,
14}
15
16impl RecvPacket<'_> {
17    pub fn new<'a>(raw: &'a [u8], slice: &'a SlicedPacket<'a>) -> Result<RecvPacket<'a>> {
18        let ether = match slice.link {
19            Some(LinkSlice::Ethernet2(ref ether)) => Some(ether),
20            _ => None,
21        };
22
23        let ip = match slice.net {
24            Some(NetSlice::Ipv4(ref ipv4)) => Some(RecvPacketIp::Ipv4(ipv4)),
25            Some(NetSlice::Ipv6(ref ipv6)) => Some(RecvPacketIp::Ipv6(ipv6)),
26            _ => None,
27        };
28
29        let packet = RecvPacket {
30            raw,
31            slice,
32            ether,
33            ip,
34        };
35        Ok(packet)
36    }
37}
kratanet/pkt.rs

kratanet/
pkt.rs
