Source code for dhcpkit.ipv6.server.handlers.ignore

A simple handler that tells the server to ignore the request.
import logging

from dhcpkit.ipv6.messages import Message
from dhcpkit.ipv6.server.handlers import CannotRespondError, Handler, HandlerFactory
from dhcpkit.ipv6.server.transaction_bundle import TransactionBundle
from typing import Iterable, Type

logger = logging.getLogger(__name__)

[docs]class IgnoreRequestHandler(Handler): """ A simple handler that tells the server to stop processing the request and ignore it """ def __init__(self, message_types: Iterable[Type[Message]] = None): super().__init__() self.message_types = tuple(set(message_types or [])) def __str__(self): return "{} with {}".format(self.__class__.__name__, ', '.join([message_type.__class__.__name__ for message_type in self.message_types]))
[docs] def pre(self, bundle: TransactionBundle): """ Stop processing :param bundle: The transaction bundle """ # Ignore when no type specified, or when request matches a specified type if not self.message_types or isinstance(bundle.request, self.message_types):"Configured to ignore {}".format(bundle)) raise CannotRespondError("Configured to ignore request")
[docs]class IgnoreRequestHandlerFactory(HandlerFactory): """ Create an IgnoreRequestHandler """
[docs] def create(self) -> Handler: """ Create an IgnoreRequestHandler """ return IgnoreRequestHandler(self.message_types)