File: hello.py

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"""Defines Hello message."""

# System imports

# Third-party imports

from pyof.foundation.base import GenericMessage
from pyof.foundation.basic_types import BinaryData
from pyof.v0x01.common.header import Header, Type

__all__ = ('Hello',)

# Classes


class Hello(GenericMessage):
    """OpenFlow Hello Message.

    This message does not contain a body beyond the OpenFlow Header.
    """

    header = Header(message_type=Type.OFPT_HELLO, length=8)
    elements = BinaryData()