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"""Abstraction to send ConnectonStateRequest and wait for ConnectionStateResponse."""
from __future__ import annotations
from typing import TYPE_CHECKING
from xknx.io.const import CONNECTIONSTATE_REQUEST_TIMEOUT
from xknx.knxip import HPAI, ConnectionStateRequest, ConnectionStateResponse, KNXIPFrame
from .request_response import RequestResponse
if TYPE_CHECKING:
from xknx.io.transport import KNXIPTransport
class ConnectionState(RequestResponse):
"""Class to send ConnectonStateRequest and wait for ConnectionStateResponse."""
def __init__(
self,
transport: KNXIPTransport,
communication_channel_id: int,
local_hpai: HPAI,
) -> None:
"""Initialize ConnectionState class."""
super().__init__(
transport,
ConnectionStateResponse,
timeout_in_seconds=CONNECTIONSTATE_REQUEST_TIMEOUT,
)
self.communication_channel_id = communication_channel_id
self.local_hpai = local_hpai
def create_knxipframe(self) -> KNXIPFrame:
"""Create KNX/IP Frame object to be sent to device."""
connectionstate_request = ConnectionStateRequest(
communication_channel_id=self.communication_channel_id,
control_endpoint=self.local_hpai,
)
return KNXIPFrame.init_from_body(connectionstate_request)
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