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# Copyright 2016 gRPC authors.
#
# 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.
"""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.MetricsServiceServicer):
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)
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