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-rw-r--r--src/python/grpcio/tests/qps/benchmark_client.py216
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diff --git a/src/python/grpcio/tests/qps/benchmark_client.py b/src/python/grpcio/tests/qps/benchmark_client.py
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--- a/src/python/grpcio/tests/qps/benchmark_client.py
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@@ -1,216 +0,0 @@
-# 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.
-
-"""Defines test client behaviors (UNARY/STREAMING) (SYNC/ASYNC)."""
-
-import abc
-import threading
-import time
-
-from concurrent import futures
-from six.moves import queue
-
-import grpc
-from grpc.beta import implementations
-from grpc.framework.interfaces.face import face
-from src.proto.grpc.testing import messages_pb2
-from src.proto.grpc.testing import services_pb2
-from tests.unit import resources
-from tests.unit.beta import test_utilities
-
-_TIMEOUT = 60 * 60 * 24
-
-
-class BenchmarkClient:
- """Benchmark client interface that exposes a non-blocking send_request()."""
-
- __metaclass__ = abc.ABCMeta
-
- def __init__(self, server, config, hist):
- # Create the stub
- host, port = server.split(':')
- port = int(port)
- if config.HasField('security_params'):
- creds = implementations.ssl_channel_credentials(
- resources.test_root_certificates())
- channel = test_utilities.not_really_secure_channel(
- host, port, creds, config.security_params.server_host_override)
- else:
- channel = implementations.insecure_channel(host, port)
-
- connected_event = threading.Event()
- def wait_for_ready(connectivity):
- if connectivity == grpc.ChannelConnectivity.READY:
- connected_event.set()
- channel.subscribe(wait_for_ready, try_to_connect=True)
- connected_event.wait()
-
- if config.payload_config.WhichOneof('payload') == 'simple_params':
- self._generic = False
- self._stub = services_pb2.beta_create_BenchmarkService_stub(channel)
- payload = messages_pb2.Payload(
- body='\0' * config.payload_config.simple_params.req_size)
- self._request = messages_pb2.SimpleRequest(
- payload=payload,
- response_size=config.payload_config.simple_params.resp_size)
- else:
- self._generic = True
- self._stub = implementations.generic_stub(channel)
- self._request = '\0' * config.payload_config.bytebuf_params.req_size
-
- self._hist = hist
- self._response_callbacks = []
-
- def add_response_callback(self, callback):
- """callback will be invoked as callback(client, query_time)"""
- self._response_callbacks.append(callback)
-
- @abc.abstractmethod
- def send_request(self):
- """Non-blocking wrapper for a client's request operation."""
- raise NotImplementedError()
-
- def start(self):
- pass
-
- def stop(self):
- pass
-
- def _handle_response(self, client, query_time):
- self._hist.add(query_time * 1e9) # Report times in nanoseconds
- for callback in self._response_callbacks:
- callback(client, query_time)
-
-
-class UnarySyncBenchmarkClient(BenchmarkClient):
-
- def __init__(self, server, config, hist):
- super(UnarySyncBenchmarkClient, self).__init__(server, config, hist)
- self._pool = futures.ThreadPoolExecutor(
- max_workers=config.outstanding_rpcs_per_channel)
-
- def send_request(self):
- # Send requests in seperate threads to support multiple outstanding rpcs
- # (See src/proto/grpc/testing/control.proto)
- self._pool.submit(self._dispatch_request)
-
- def stop(self):
- self._pool.shutdown(wait=True)
- self._stub = None
-
- def _dispatch_request(self):
- start_time = time.time()
- self._stub.UnaryCall(self._request, _TIMEOUT)
- end_time = time.time()
- self._handle_response(self, end_time - start_time)
-
-
-class UnaryAsyncBenchmarkClient(BenchmarkClient):
-
- def send_request(self):
- # Use the Future callback api to support multiple outstanding rpcs
- start_time = time.time()
- response_future = self._stub.UnaryCall.future(self._request, _TIMEOUT)
- response_future.add_done_callback(
- lambda resp: self._response_received(start_time, resp))
-
- def _response_received(self, start_time, resp):
- resp.result()
- end_time = time.time()
- self._handle_response(self, end_time - start_time)
-
- def stop(self):
- self._stub = None
-
-
-class _SyncStream(object):
-
- def __init__(self, stub, generic, request, handle_response):
- self._stub = stub
- self._generic = generic
- self._request = request
- self._handle_response = handle_response
- self._is_streaming = False
- self._request_queue = queue.Queue()
- self._send_time_queue = queue.Queue()
-
- def send_request(self):
- self._send_time_queue.put(time.time())
- self._request_queue.put(self._request)
-
- def start(self):
- self._is_streaming = True
- if self._generic:
- stream_callable = self._stub.stream_stream(
- 'grpc.testing.BenchmarkService', 'StreamingCall')
- else:
- stream_callable = self._stub.StreamingCall
-
- response_stream = stream_callable(self._request_generator(), _TIMEOUT)
- for _ in response_stream:
- self._handle_response(
- self, time.time() - self._send_time_queue.get_nowait())
-
- def stop(self):
- self._is_streaming = False
-
- def _request_generator(self):
- while self._is_streaming:
- try:
- request = self._request_queue.get(block=True, timeout=1.0)
- yield request
- except queue.Empty:
- pass
-
-
-class StreamingSyncBenchmarkClient(BenchmarkClient):
-
- def __init__(self, server, config, hist):
- super(StreamingSyncBenchmarkClient, self).__init__(server, config, hist)
- self._pool = futures.ThreadPoolExecutor(
- max_workers=config.outstanding_rpcs_per_channel)
- self._streams = [_SyncStream(self._stub, self._generic,
- self._request, self._handle_response)
- for _ in xrange(config.outstanding_rpcs_per_channel)]
- self._curr_stream = 0
-
- def send_request(self):
- # Use a round_robin scheduler to determine what stream to send on
- self._streams[self._curr_stream].send_request()
- self._curr_stream = (self._curr_stream + 1) % len(self._streams)
-
- def start(self):
- for stream in self._streams:
- self._pool.submit(stream.start)
-
- def stop(self):
- for stream in self._streams:
- stream.stop()
- self._pool.shutdown(wait=True)
- self._stub = None