Ken Payson | ad9d06e | 2016-04-28 22:15:04 -0700 | [diff] [blame] | 1 | # Copyright 2016, Google Inc. |
| 2 | # All rights reserved. |
| 3 | # |
| 4 | # Redistribution and use in source and binary forms, with or without |
| 5 | # modification, are permitted provided that the following conditions are |
| 6 | # met: |
| 7 | # |
| 8 | # * Redistributions of source code must retain the above copyright |
| 9 | # notice, this list of conditions and the following disclaimer. |
| 10 | # * Redistributions in binary form must reproduce the above |
| 11 | # copyright notice, this list of conditions and the following disclaimer |
| 12 | # in the documentation and/or other materials provided with the |
| 13 | # distribution. |
| 14 | # * Neither the name of Google Inc. nor the names of its |
| 15 | # contributors may be used to endorse or promote products derived from |
| 16 | # this software without specific prior written permission. |
| 17 | # |
| 18 | # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 19 | # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 20 | # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 21 | # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 22 | # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 23 | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 24 | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 25 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 26 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 28 | # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 | |
| 30 | """MetricsService for publishing stress test qps data.""" |
| 31 | |
| 32 | import time |
| 33 | |
| 34 | from src.proto.grpc.testing import metrics_pb2 |
| 35 | |
| 36 | GAUGE_NAME = 'python_overall_qps' |
| 37 | |
| 38 | |
| 39 | class MetricsServer(metrics_pb2.BetaMetricsServiceServicer): |
| 40 | |
| 41 | def __init__(self, histogram): |
| 42 | self._start_time = time.time() |
| 43 | self._histogram = histogram |
| 44 | |
| 45 | def _get_qps(self): |
| 46 | count = self._histogram.get_data().count |
| 47 | delta = time.time() - self._start_time |
| 48 | self._histogram.reset() |
| 49 | self._start_time = time.time() |
| 50 | return int(count/delta) |
| 51 | |
| 52 | def GetAllGauges(self, request, context): |
| 53 | qps = self._get_qps() |
| 54 | return [metrics_pb2.GaugeResponse(name=GAUGE_NAME, long_value=qps)] |
| 55 | |
| 56 | def GetGauge(self, request, context): |
| 57 | if request.name != GAUGE_NAME: |
| 58 | raise Exception('Gauge {} does not exist'.format(request.name)) |
| 59 | qps = self._get_qps() |
| 60 | return metrics_pb2.GaugeResponse(name=GAUGE_NAME, long_value=qps) |