Source code for spinnman.processes.abstract_multi_connection_process

# 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
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

from .abstract_process import AbstractProcess
from spinnman.connections import SCPRequestPipeLine
from spinnman.constants import SCP_TIMEOUT, N_RETRIES


[docs]class AbstractMultiConnectionProcess(AbstractProcess): """ A process that uses multiple connections in communication. """ __slots__ = [ "_intermediate_channel_waits", "_n_channels", "_n_retries", "_conn_selector", "_scp_request_pipelines", "_timeout"] def __init__(self, next_connection_selector, n_retries=N_RETRIES, timeout=SCP_TIMEOUT, n_channels=8, intermediate_channel_waits=7): """ :param next_connection_selector: :type next_connection_selector: AbstractMultiConnectionProcessConnectionSelector """ super().__init__() self._scp_request_pipelines = dict() self._n_retries = n_retries self._timeout = timeout self._n_channels = n_channels self._intermediate_channel_waits = intermediate_channel_waits self._conn_selector = next_connection_selector def _send_request(self, request, callback=None, error_callback=None): if error_callback is None: error_callback = self._receive_error connection = self._conn_selector.get_next_connection(request) if connection not in self._scp_request_pipelines: scp_request_set = SCPRequestPipeLine( connection, n_retries=self._n_retries, packet_timeout=self._timeout, n_channels=self._n_channels, intermediate_channel_waits=self._intermediate_channel_waits) self._scp_request_pipelines[connection] = scp_request_set self._scp_request_pipelines[connection].send_request( request, callback, error_callback) def _finish(self): for request_pipeline in self._scp_request_pipelines.values(): request_pipeline.finish()