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# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""Entry points into the packet-exchange-based implementation the base layer."""
# interfaces is referenced from specification in this module.
from _framework.base.packets import _ends
from _framework.base.packets import interfaces # pylint: disable=unused-import
def front(work_pool, transmission_pool, utility_pool):
"""Factory function for creating interfaces.Fronts.
Args:
work_pool: A thread pool to be used for doing work within the created Front
object.
transmission_pool: A thread pool to be used within the created Front object
for transmitting values to some Back object.
utility_pool: A thread pool to be used within the created Front object for
utility tasks.
Returns:
An interfaces.Front.
"""
return _ends.Front(work_pool, transmission_pool, utility_pool)
def back(
servicer, work_pool, transmission_pool, utility_pool, default_timeout,
maximum_timeout):
"""Factory function for creating interfaces.Backs.
Args:
servicer: An interfaces.Servicer for servicing operations.
work_pool: A thread pool to be used for doing work within the created Back
object.
transmission_pool: A thread pool to be used within the created Back object
for transmitting values to some Front object.
utility_pool: A thread pool to be used within the created Back object for
utility tasks.
default_timeout: A length of time in seconds to be used as the default
time alloted for a single operation.
maximum_timeout: A length of time in seconds to be used as the maximum
time alloted for a single operation.
Returns:
An interfaces.Back.
"""
return _ends.Back(
servicer, work_pool, transmission_pool, utility_pool, default_timeout,
maximum_timeout)
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