def test_hex_array_bytearray(self):
"""
Test hex_array() with bytearray type.
"""
expected_result = '0x01 0x02 0x03 0x04'
data = bytearray(b'\x01\x02\x03\x04')
eq_(expected_result, utils.hex_array(data))
def msg(datapath, version, msg_type, msg_len, xid, buf):
exp = None
try:
assert len(buf) >= msg_len
except AssertionError as e:
exp = e
msg_parser = _MSG_PARSERS.get(version)
if msg_parser is None:
raise exception.OFPUnknownVersion(version=version)
try:
msg = msg_parser(datapath, version, msg_type, msg_len, xid, buf)
except exception.OFPTruncatedMessage as e:
raise e
except:
LOG.exception(
'Encountered an error while parsing OpenFlow packet from switch. '
'This implies the switch sent a malformed OpenFlow packet. '
'version 0x%02x msg_type %d msg_len %d xid %d buf %s', version,
msg_type, msg_len, xid, utils.hex_array(buf))
msg = None
if exp:
raise exp
return msg
def test_hex_array_string(self):
"""
Test hex_array() with str type.
"""
expected_result = '0x01 0x02 0x03 0x04'
data = b'\x01\x02\x03\x04'
eq_(expected_result, utils.hex_array(data))
def test_hex_array_bytes(self):
"""
Test hex_array() with bytes type. (Python3 only)
"""
if six.PY2:
return
expected_result = '0x01 0x02 0x03 0x04'
data = bytes(b'\x01\x02\x03\x04')
eq_(expected_result, utils.hex_array(data))
def OF_error_msg_handler(self, event):
msg = event.msg
try:
(version, msg_type, msg_len, xid) = ofproto_parser.header(msg.data)
os_ken_msg = ofproto_parser.msg(
self._datapath, version, msg_type,
msg_len - ofproto_common.OFP_HEADER_SIZE, xid, msg.data)
LOG.error('OFPErrorMsg received: %s', os_ken_msg)
except Exception:
LOG.error('Unrecognized OFPErrorMsg received: '
'type=0x%(type)02x code=0x%(code)02x '
'message=%(msg)s',
{'type': msg.type, 'code': msg.code,
'msg': utils.hex_array(msg.data)})