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# 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()
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