def _strip_wpan_eth_wrapper(self, packet: RawPacket):
if not hasattr(packet, 'wpan'):
return
for layer in packet.layers:
if layer.layer_name == 'eth':
packet.layers.remove(layer)
eth_src = EthAddr(layer.get_field('eth.src'))
eth_dst = EthAddr(layer.get_field('eth.dst'))
logging.debug("stripping eth: src=%s, dst=%s", eth_src, eth_dst)
channel = eth_src[5]
self.wpan._add_field('wpan.channel', hex(channel))
return
def _collect_test_info_after_setup(self):
"""
Collect test info after setUp
"""
if not self._do_packet_verification:
return
test_info = self._test_info = {
'testcase': self.test_name,
'start_time': time.ctime(self._start_time),
'pcap': '',
'extaddrs': {},
'ethaddrs': {},
'ipaddrs': {},
'mleids': {},
'topology': self._initial_topology,
'backbone': {
'interface': config.BACKBONE_DOCKER_NETWORK_NAME,
'prefix': config.BACKBONE_PREFIX,
},
'otbr_commit': config.OTBR_COMMIT,
'domain_prefix': config.DOMAIN_PREFIX,
'env': {
'PORT_OFFSET': config.PORT_OFFSET,
},
}
for i, node in self.nodes.items():
if not node.is_host:
extaddr = node.get_addr64()
test_info['extaddrs'][i] = ExtAddr(extaddr).format_octets()
if node.is_host or node.is_otbr:
ethaddr = node.get_ether_mac()
test_info['ethaddrs'][i] = EthAddr(ethaddr).format_octets()
def __init__(self, filename):
self.filename = filename
with open(filename, 'rt') as fd:
test_info = json.loads(fd.read())
self.testcase = test_info.get('testcase', '')
self._pcap = test_info.get('pcap', 'current.pcap')
self.topology = self._convert_keys_to_ints(test_info['topology'])
self.extaddrs = {
int(k): ExtAddr(v)
for k, v in test_info.get('extaddrs', {}).items()
}
self.ethaddrs = {
int(k): EthAddr(v)
for k, v in test_info.get('ethaddrs', {}).items()
}
self.ipaddrs = {
int(k): [Ipv6Addr(x) for x in l]
for k, l in test_info.get('ipaddrs', {}).items()
}
self.mleids = {
int(k): Ipv6Addr(v)
for k, v in test_info.get('mleids', {}).items()
}
self.rlocs = {
int(k): Ipv6Addr(v)
for k, v in test_info.get('rlocs', {}).items()
}
self.rloc16s = self._convert_hex_values(
self._convert_keys_to_ints(test_info.get('rloc16s', {})))
self.extra_vars = test_info.get('extra_vars', {})
self.leader_aloc = Ipv6Addr(test_info.get(
'leader_aloc')) if 'leader_aloc' in test_info else ''
def _eth_addr(v: Union[LayerFieldsContainer, LayerField]) -> EthAddr:
"""parse the layer field as an Ethernet MAC address"""
assert not isinstance(v, LayerFieldsContainer) or len(v.fields) == 1, v.fields
return EthAddr(v.get_default_value())