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Diffstat (limited to 'src/python/grpcio/tests/stress/metrics_server.py')
-rw-r--r-- | src/python/grpcio/tests/stress/metrics_server.py | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/python/grpcio/tests/stress/metrics_server.py b/src/python/grpcio/tests/stress/metrics_server.py new file mode 100644 index 0000000000..b994e4643e --- /dev/null +++ b/src/python/grpcio/tests/stress/metrics_server.py @@ -0,0 +1,60 @@ +# Copyright 2016, 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. + +"""MetricsService for publishing stress test qps data.""" + +import time + +from src.proto.grpc.testing import metrics_pb2 + +GAUGE_NAME = 'python_overall_qps' + + +class MetricsServer(metrics_pb2.BetaMetricsServiceServicer): + + def __init__(self, histogram): + self._start_time = time.time() + self._histogram = histogram + + def _get_qps(self): + count = self._histogram.get_data().count + delta = time.time() - self._start_time + self._histogram.reset() + self._start_time = time.time() + return int(count/delta) + + def GetAllGauges(self, request, context): + qps = self._get_qps() + return [metrics_pb2.GaugeResponse(name=GAUGE_NAME, long_value=qps)] + + def GetGauge(self, request, context): + if request.name != GAUGE_NAME: + raise Exception('Gauge {} does not exist'.format(request.name)) + qps = self._get_qps() + return metrics_pb2.GaugeResponse(name=GAUGE_NAME, long_value=qps) |