Source code for spinnman.connections.abstract_classes.scp_receiver
from six import add_metaclass
from spinn_utilities.abstract_base import AbstractBase, abstractmethod
from .connection import Connection
[docs]@add_metaclass(AbstractBase)
class SCPReceiver(Connection):
""" A receiver of SCP messages
"""
__slots__ = ()
[docs] @abstractmethod
def is_ready_to_receive(self, timeout=0):
""" Determines if there is an SCP packet to be read without blocking
:param timeout: The time to wait before returning if the connection\
is not ready
:type timeout: int
:return: True if there is an SCP packet to be read
:rtype: bool
"""
pass
[docs] @abstractmethod
def receive_scp_response(self, timeout=1.0):
""" Receives an SCP response from this connection. Blocks\
until a message has been received, or a timeout occurs.
:param timeout: The time in seconds to wait for the message to arrive;\
if not specified, will wait forever, or until the\
connection is closed
:type timeout: int
:return: The SCP result, the sequence number, the data of the response\
and the offset at which the data starts (i.e. where the
SDP header starts)
:rtype: :py:class: `spinnman.messages.scp.scp_result.SCPResult`,\
int, bytestring, int
:raise spinnman.exceptions.SpinnmanIOException: If there is an error\
receiving the message
:raise spinnman.exceptions.SpinnmanTimeoutException: If there is a\
timeout before a message is received
"""