This page hosts a formal specification of IPv6 network packet using Kaitai Struct. This specification can be automatically translated into a variety of programming languages to get a parsing library.
// This is a generated file! Please edit source .ksy file and use kaitai-struct-compiler to rebuild
#![allow(unused_imports)]
#![allow(non_snake_case)]
#![allow(non_camel_case_types)]
#![allow(irrefutable_let_patterns)]
#![allow(unused_comparisons)]
extern crate kaitai;
use kaitai::*;
use std::convert::{TryFrom, TryInto};
use std::cell::{Ref, Cell, RefCell};
use std::rc::{Rc, Weak};
use super::protocol_body::ProtocolBody;
#[derive(Default, Debug, Clone)]
pub struct Ipv6Packet {
pub _root: SharedType<Ipv6Packet>,
pub _parent: SharedType<Ipv6Packet>,
pub _self: SharedType<Self>,
version: RefCell<u64>,
traffic_class: RefCell<u64>,
flow_label: RefCell<u64>,
payload_length: RefCell<u16>,
next_header_type: RefCell<u8>,
hop_limit: RefCell<u8>,
src_ipv6_addr: RefCell<Vec<u8>>,
dst_ipv6_addr: RefCell<Vec<u8>>,
next_header: RefCell<OptRc<ProtocolBody>>,
rest: RefCell<Vec<u8>>,
_io: RefCell<BytesReader>,
}
impl KStruct for Ipv6Packet {
type Root = Ipv6Packet;
type Parent = Ipv6Packet;
fn read<S: KStream>(
self_rc: &OptRc<Self>,
_io: &S,
_root: SharedType<Self::Root>,
_parent: SharedType<Self::Parent>,
) -> KResult<()> {
*self_rc._io.borrow_mut() = _io.clone();
self_rc._root.set(_root.get());
self_rc._parent.set(_parent.get());
self_rc._self.set(Ok(self_rc.clone()));
let _rrc = self_rc._root.get_value().borrow().upgrade();
let _prc = self_rc._parent.get_value().borrow().upgrade();
let _r = _rrc.as_ref().unwrap();
*self_rc.version.borrow_mut() = _io.read_bits_int_be(4)?;
*self_rc.traffic_class.borrow_mut() = _io.read_bits_int_be(8)?;
*self_rc.flow_label.borrow_mut() = _io.read_bits_int_be(20)?;
_io.align_to_byte()?;
*self_rc.payload_length.borrow_mut() = _io.read_u2be()?.into();
*self_rc.next_header_type.borrow_mut() = _io.read_u1()?.into();
*self_rc.hop_limit.borrow_mut() = _io.read_u1()?.into();
*self_rc.src_ipv6_addr.borrow_mut() = _io.read_bytes(16 as usize)?.into();
*self_rc.dst_ipv6_addr.borrow_mut() = _io.read_bytes(16 as usize)?.into();
let f = |t : &mut ProtocolBody| Ok(t.set_params((*self_rc.next_header_type()).try_into().map_err(|_| KError::CastError)?));
let t = Self::read_into_with_init::<_, ProtocolBody>(&*_io, None, None, &f)?.into();
*self_rc.next_header.borrow_mut() = t;
*self_rc.rest.borrow_mut() = _io.read_bytes_full()?.into();
Ok(())
}
}
impl Ipv6Packet {
}
impl Ipv6Packet {
pub fn version(&self) -> Ref<'_, u64> {
self.version.borrow()
}
}
impl Ipv6Packet {
pub fn traffic_class(&self) -> Ref<'_, u64> {
self.traffic_class.borrow()
}
}
impl Ipv6Packet {
pub fn flow_label(&self) -> Ref<'_, u64> {
self.flow_label.borrow()
}
}
impl Ipv6Packet {
pub fn payload_length(&self) -> Ref<'_, u16> {
self.payload_length.borrow()
}
}
impl Ipv6Packet {
pub fn next_header_type(&self) -> Ref<'_, u8> {
self.next_header_type.borrow()
}
}
impl Ipv6Packet {
pub fn hop_limit(&self) -> Ref<'_, u8> {
self.hop_limit.borrow()
}
}
impl Ipv6Packet {
pub fn src_ipv6_addr(&self) -> Ref<'_, Vec<u8>> {
self.src_ipv6_addr.borrow()
}
}
impl Ipv6Packet {
pub fn dst_ipv6_addr(&self) -> Ref<'_, Vec<u8>> {
self.dst_ipv6_addr.borrow()
}
}
impl Ipv6Packet {
pub fn next_header(&self) -> Ref<'_, OptRc<ProtocolBody>> {
self.next_header.borrow()
}
}
impl Ipv6Packet {
pub fn rest(&self) -> Ref<'_, Vec<u8>> {
self.rest.borrow()
}
}
impl Ipv6Packet {
pub fn _io(&self) -> Ref<'_, BytesReader> {
self._io.borrow()
}
}