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# Copyright (c) 2021 Cisco and/or its affiliates.
# 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.
"""Module defining ProgressState class."""
class ProgressState:
"""Structure containing data to be passed around in recursion.
This is basically a private class of MultipleRatioSearch,
but keeping it in a separate file makes things more readable.
"""
def __init__(
self, database, phases, duration, width_goal, packet_loss_ratios,
min_rate, max_rate, stop_time):
"""Convert and store the argument values.
Also initializa the stored width for external search.
:param result: Structure containing measured results.
:param phases: How many intermediate phases to perform
before the current one.
:param duration: Trial duration to use in the current phase [s].
:param width_goal: The goal relative width for the curreent phase.
:param packet_loss_ratios: List of ratios for the current search.
:param min_rate: Minimal target transmit rate available
for the current search [tps].
:param max_rate: Maximal target transmit rate available
for the current search [tps].
:param stop_time: Monotonic time [s] when we should fail on timeout.
:type result: MeasurementDatabase
:type phases: int
:type duration: float
:type width_goal: float
:type packet_loss_ratios: Iterable[float]
:type min_rate: float
:type max_rate: float
:type stop_time: float
"""
self.database = database
self.phases = int(phases)
self.duration = float(duration)
self.width_goal = float(width_goal)
self.packet_loss_ratios = [
float(ratio) for ratio in packet_loss_ratios
]
self.min_rate = float(min_rate)
self.max_rate = float(max_rate)
self.stop_time = float(stop_time)
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