# python3
# Copyright 2019 Google LLC
#
# 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.
"""iperf."""

import re

SAMPLE_DATA = """
------------------------------------------------------------
Client connecting to 10.138.15.215, TCP port 32779
TCP window size: 45.0 KByte (default)
------------------------------------------------------------
[  3] local 10.138.15.216 port 32866 connected with 10.138.15.215 port 32779
[ ID] Interval       Transfer     Bandwidth
[  3]  0.0-10.0 sec  459520 KBytes  45900 KBytes/sec

"""


# pylint: disable=unused-argument
def sample(**kwargs) -> str:
  return SAMPLE_DATA


# pylint: disable=unused-argument
def bandwidth(data: str, **kwargs) -> float:
  """Calculate the bandwidth."""
  regex = r"\[\s*\d+\][^\n]+\s+(\d+\.?\d*)\s+KBytes/sec"
  res = re.compile(regex).search(data)
  return float(res.group(1)) * 1000