# This is a generated file! Please edit source .ksy file and use kaitai-struct-compiler to rebuild from pkg_resources import parse_version from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO from enum import Enum import collections if parse_version(ks_version) < parse_version('0.7'): raise Exception("Incompatible Kaitai Struct Python API: 0.7 or later is required, but you have %s" % (ks_version)) from . import ipv4_packet from . import ipv6_packet class EthernetFrame(KaitaiStruct): """Ethernet frame is a OSI data link layer (layer 2) protocol data unit for Ethernet networks. In practice, many other networks and/or in-file dumps adopted the same format for encapsulation purposes. .. seealso:: Source - https://ieeexplore.ieee.org/document/7428776 """ class EtherTypeEnum(Enum): ipv4 = 2048 x_75_internet = 2049 nbs_internet = 2050 ecma_internet = 2051 chaosnet = 2052 x_25_level_3 = 2053 arp = 2054 ipv6 = 34525 SEQ_FIELDS = ["dst_mac", "src_mac", "ether_type", "body"] def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._debug = collections.defaultdict(dict) def _read(self): self._debug['dst_mac']['start'] = self._io.pos() self.dst_mac = self._io.read_bytes(6) self._debug['dst_mac']['end'] = self._io.pos() self._debug['src_mac']['start'] = self._io.pos() self.src_mac = self._io.read_bytes(6) self._debug['src_mac']['end'] = self._io.pos() self._debug['ether_type']['start'] = self._io.pos() self.ether_type = KaitaiStream.resolve_enum(self._root.EtherTypeEnum, self._io.read_u2be()) self._debug['ether_type']['end'] = self._io.pos() self._debug['body']['start'] = self._io.pos() _on = self.ether_type if _on == self._root.EtherTypeEnum.ipv4: self._raw_body = self._io.read_bytes_full() io = KaitaiStream(BytesIO(self._raw_body)) self.body = ipv4_packet.Ipv4Packet(io) self.body._read() elif _on == self._root.EtherTypeEnum.ipv6: self._raw_body = self._io.read_bytes_full() io = KaitaiStream(BytesIO(self._raw_body)) self.body = ipv6_packet.Ipv6Packet(io) self.body._read() else: self.body = self._io.read_bytes_full() self._debug['body']['end'] = self._io.pos()