"""Define SetConfig message."""

# System imports

# Third-party imports

# Local imports
from pyof.v0x04.common.action import ControllerMaxLen
from pyof.v0x04.common.header import Type
from pyof.v0x04.controller2switch.common import ConfigFlag, SwitchConfig

__all__ = ('SetConfig',)


class SetConfig(SwitchConfig):
    """Set config message."""

    def __init__(self, xid=None, flags=ConfigFlag.OFPC_FRAG_NORMAL,
                 miss_send_len=ControllerMaxLen.OFPCML_NO_BUFFER):
        """Create a SetConfig with the optional parameters below.

        Args:
            xid (int): xid to be used on the message header.
            flags (:class:`~pyof.v0x01.controller2switch.common.ConfigFlag`):
                OFPC_* flags.
            miss_send_len (int): UBInt16 max bytes of new flow that the
                datapath should send to the controller.
        """
        super().__init__(xid, flags, miss_send_len)
        self.header.message_type = Type.OFPT_SET_CONFIG