Source code for spinnman.connections.abstract_classes.multicast_receiver

# Copyright (c) 2017-2019 The University of Manchester
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <>.

from spinn_utilities.abstract_base import AbstractBase, abstractmethod
from .connection import Connection

[docs]class MulticastReceiver(Connection, metaclass=AbstractBase): """ A receiver of multicast messages """ __slots__ = ()
[docs] @abstractmethod def get_input_chips(self): """ Get a list of chips which identify the chips from which this\ receiver can receive receive packets directly :return: The coordinates, (x, y), of the chips :rtype: iterable(tuple(int, int)) """
[docs] @abstractmethod def receive_multicast_message(self, timeout=None): """ Receives a multicast message from this connection. Blocks until\ a message has been received, or a timeout occurs. :param int timeout: The time in seconds to wait for the message to arrive; if not specified, will wait forever, or until the connection is closed :return: a multicast message :rtype: MulticastMessage :raise SpinnmanIOException: If there is an error receiving the message. :raise SpinnmanTimeoutException: If there is a timeout before a message is received. :raise SpinnmanInvalidPacketException: If the received packet is not a valid multicast message. :raise SpinnmanInvalidParameterException: If one of the fields of the multicast message is invalid. """