diff options
Diffstat (limited to 'src/ip_packet.rs')
-rw-r--r-- | src/ip_packet.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/ip_packet.rs b/src/ip_packet.rs new file mode 100644 index 0000000..4aa7ecb --- /dev/null +++ b/src/ip_packet.rs @@ -0,0 +1,33 @@ +use failure::Error; +use pnet::packet::ipv4::Ipv4Packet; +use pnet::packet::ipv6::Ipv6Packet; +use std::net::{Ipv4Addr, Ipv6Addr, IpAddr, SocketAddr}; + +pub enum IpPacket<'a> { + V4(Ipv4Packet<'a>), + V6(Ipv6Packet<'a>), +} + +impl<'a> IpPacket<'a> { + pub fn new(packet: &'a [u8]) -> Option<Self> { + match packet[0] >> 4 { + 4 => Ipv4Packet::new(&packet).map(|packet| IpPacket::V4(packet)), + 6 => Ipv6Packet::new(&packet).map(|packet| IpPacket::V6(packet)), + _ => None + } + } + + pub fn get_source(&self) -> IpAddr { + match *self { + IpPacket::V4(ref packet) => packet.get_source().into(), + IpPacket::V6(ref packet) => packet.get_source().into(), + } + } + + pub fn get_destination(&self) -> IpAddr { + match *self { + IpPacket::V4(ref packet) => packet.get_destination().into(), + IpPacket::V6(ref packet) => packet.get_destination().into(), + } + } +} |