Source code for spinn_front_end_common.interface.interface_functions.notification_protocol
# 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.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import logging
from spinn_front_end_common.utilities.notification_protocol import (
NotificationProtocol as Notification)
logger = logging.getLogger(__name__)
[docs]class NotificationProtocol(object):
""" The notification protocol for external device interaction
"""
__slots__ = [
# the notification protocol for talking to external devices
"_notification_protocol"
]
def __call__(
self, wait_for_read_confirmation,
socket_addresses, database_file_path):
# notification protocol
self._notification_protocol = Notification(
socket_addresses, wait_for_read_confirmation)
self.send_read_notification(database_file_path)
return self
[docs] def wait_for_confirmation(self):
""" Waits for devices to confirm they have read the database via the\
notification protocol
:rtype: None:
"""
self._notification_protocol.wait_for_confirmation()
[docs] def send_read_notification(self, database_directory):
""" Send the read notifications via the notification protocol
:param database_directory: the path to the database
:rtype: None:
"""
self._notification_protocol.send_read_notification(database_directory)
[docs] def send_start_resume_notification(self):
""" Send the start notifications via the notification protocol
:rtype: None:
"""
self._notification_protocol.send_start_resume_notification()
[docs] def send_stop_pause_notification(self):
""" Send the stop or pause notifications via the notification protocol
:rtype: None:
"""
self._notification_protocol.send_stop_pause_notification()
[docs] def stop(self):
""" Ends the notification protocol
:rtype: None:
"""
logger.debug("[data_base_thread] Stopping")
self._notification_protocol.close()