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shared_objects__transfer_sync__sender.py
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shared_objects__transfer_sync__sender.py
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#!/usr/bin/env python
# coding=utf-8
# Copyright © 2012-2024 ButenkoMS. All rights reserved. Contacts: <gtalk@butenkoms.space>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
__all__ = [
]
"""
Module Docstring
Docstrings: http://www.python.org/dev/peps/pep-0257/
"""
__author__ = "ButenkoMS <gtalk@butenkoms.space>"
__copyright__ = "Copyright © 2012-2024 ButenkoMS. All rights reserved. Contacts: <gtalk@butenkoms.space>"
__credits__ = ["ButenkoMS <gtalk@butenkoms.space>", ]
__license__ = "Apache License, Version 2.0"
__version__ = "4.4.1"
__maintainer__ = "ButenkoMS <gtalk@butenkoms.space>"
__email__ = "gtalk@butenkoms.space"
# __status__ = "Prototype"
__status__ = "Development"
# __status__ = "Production"
from cengal.hardware.memory.shared_memory import *
from cengal.parallel_execution.asyncio.ashared_memory_manager import *
def sender():
with SharedMemory('shared_objects', True, 1000 * 1024**2) as sm:
some_data: bytes = bytes(400_000)
sm.wait_consumer_ready()
with wait_my_turn(sm):
mapped_flag_holder = sm.put_message([False, False])
msgs_to_send = 1000
while msgs_to_send:
with wait_my_turn(sm, periodic_sleep_time=None):
if mapped_flag_holder[0]:
try:
while msgs_to_send:
sm.put_message(some_data)
msgs_to_send -= 1
if not msgs_to_send:
mapped_flag_holder[1] = True
except FreeMemoryChunkNotFoundError:
pass
finally:
mapped_flag_holder[0] = False
while True:
with wait_my_turn(sm):
if mapped_flag_holder[0]:
mapped_flag_holder[0] = False
break
print('Sender is done.')
if __name__ == '__main__':
print('Sender is starting its work.')
sender()
print('Sender has finished its work.')