# Source code for spinnman.messages.eieio.command_messages.host_send_sequenced_data

# Copyright (c) 2017-2019 The University of Manchester
#
# This program is free software: you can redistribute it and/or modify
# 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 struct
from .eieio_command_message import EIEIOCommandMessage
from spinnman.constants import EIEIO_COMMAND_IDS

_PATTERN_BB = struct.Struct("<BB")

[docs]class HostSendSequencedData(EIEIOCommandMessage):
""" Packet sent from the host to the SpiNNaker system in the context of\
buffering input mechanism to identify packet which needs to be stored\
in memory for future use
"""
__slots__ = [
"_eieio_data_message",
"_region_id",
"_sequence_no"]

def __init__(self, region_id, sequence_no, eieio_data_message):
EIEIO_COMMAND_IDS.HOST_SEND_SEQUENCED_DATA))
self._region_id = region_id
self._sequence_no = sequence_no
self._eieio_data_message = eieio_data_message

@property
def region_id(self):
return self._region_id

@property
def sequence_no(self):
return self._sequence_no

@property
def eieio_data_message(self):
return self._eieio_data_message

[docs]    @staticmethod
def get_min_packet_length():
return 4

[docs]    @staticmethod
def from_bytestring(command_header, data, offset):  # @UnusedVariable
region_id, sequence_no = _PATTERN_BB.unpack_from(data, offset)