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"""Defines Vendor message."""
# System imports
# Third-party imports
from pyof.foundation.base import GenericMessage
from pyof.foundation.basic_types import BinaryData, UBInt32
from pyof.v0x01.common.header import Header, Type
__all__ = ('VendorHeader',)
# Classes
class VendorHeader(GenericMessage):
"""OpenFlow Vendor message.
This message does not contain a body beyond the OpenFlow Header.
"""
header = Header(message_type=Type.OFPT_VENDOR)
vendor = UBInt32()
data = BinaryData()
def __init__(self, xid=None, vendor=None, data=None):
"""Create a VendorHeader with the options parameters below.
Args:
xid (int): xid to be used on the message header.
vendor (int): Vendor ID:
MSB 0: low-order bytes are IEEE OUI.
MSB != 0: defined by OpenFlow consortium.
data (BinaryData): Vendor-defined arbitrary additional data.
"""
super().__init__(xid)
self.vendor = vendor
self.data = data
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