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LoadWorkerTest.java
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LoadWorkerTest.java
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/*
* Copyright 2016 The 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.
*/
package io.grpc.benchmarks.driver;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.fail;
import com.google.common.util.concurrent.SettableFuture;
import io.grpc.ManagedChannel;
import io.grpc.benchmarks.Utils;
import io.grpc.benchmarks.proto.Control;
import io.grpc.benchmarks.proto.Stats;
import io.grpc.benchmarks.proto.WorkerServiceGrpc;
import io.grpc.netty.NettyChannelBuilder;
import io.grpc.stub.StreamObserver;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Basic tests for {@link io.grpc.benchmarks.driver.LoadWorker}
*/
@RunWith(JUnit4.class)
public class LoadWorkerTest {
private static final int TIMEOUT = 10;
private static final Control.ClientArgs MARK = Control.ClientArgs.newBuilder()
.setMark(Control.Mark.newBuilder().setReset(true).build())
.build();
private LoadWorker worker;
private ManagedChannel channel;
private WorkerServiceGrpc.WorkerServiceStub workerServiceStub;
private LinkedBlockingQueue<Stats.ClientStats> marksQueue;
private StreamObserver<Control.ServerArgs> serverLifetime;
@Before
public void setup() throws Exception {
int port = Utils.pickUnusedPort();
worker = new LoadWorker(port, 0);
worker.start();
channel = NettyChannelBuilder.forAddress("localhost", port).usePlaintext().build();
workerServiceStub = WorkerServiceGrpc.newStub(channel);
marksQueue = new LinkedBlockingQueue<>();
}
@After
public void tearDown() {
if (serverLifetime != null) {
serverLifetime.onCompleted();
}
try {
WorkerServiceGrpc.newBlockingStub(channel).quitWorker(Control.Void.getDefaultInstance());
} finally {
channel.shutdownNow();
}
}
@Test
public void runUnaryBlockingClosedLoop() throws Exception {
Control.ServerArgs.Builder serverArgsBuilder = Control.ServerArgs.newBuilder();
serverArgsBuilder.getSetupBuilder()
.setServerType(Control.ServerType.ASYNC_SERVER)
.setAsyncServerThreads(4)
.setPort(0)
.getPayloadConfigBuilder().getSimpleParamsBuilder().setRespSize(1000);
int serverPort = startServer(serverArgsBuilder.build());
Control.ClientArgs.Builder clientArgsBuilder = Control.ClientArgs.newBuilder();
String serverAddress = "localhost:" + serverPort;
clientArgsBuilder.getSetupBuilder()
.setClientType(Control.ClientType.SYNC_CLIENT)
.setRpcType(Control.RpcType.UNARY)
.setClientChannels(2)
.setOutstandingRpcsPerChannel(2)
.addServerTargets(serverAddress);
clientArgsBuilder.getSetupBuilder().getPayloadConfigBuilder().getSimpleParamsBuilder()
.setReqSize(1000)
.setRespSize(1000);
clientArgsBuilder.getSetupBuilder().getHistogramParamsBuilder()
.setResolution(0.01)
.setMaxPossible(60000000000.0);
StreamObserver<Control.ClientArgs> clientObserver = startClient(clientArgsBuilder.build());
assertWorkOccurred(clientObserver);
}
@Test
public void runUnaryAsyncClosedLoop() throws Exception {
Control.ServerArgs.Builder serverArgsBuilder = Control.ServerArgs.newBuilder();
serverArgsBuilder.getSetupBuilder()
.setServerType(Control.ServerType.ASYNC_SERVER)
.setAsyncServerThreads(4)
.setPort(0)
.getPayloadConfigBuilder().getSimpleParamsBuilder().setRespSize(1000);
int serverPort = startServer(serverArgsBuilder.build());
Control.ClientArgs.Builder clientArgsBuilder = Control.ClientArgs.newBuilder();
String serverAddress = "localhost:" + serverPort;
clientArgsBuilder.getSetupBuilder()
.setClientType(Control.ClientType.ASYNC_CLIENT)
.setClientChannels(2)
.setRpcType(Control.RpcType.UNARY)
.setOutstandingRpcsPerChannel(1)
.setAsyncClientThreads(4)
.addServerTargets(serverAddress);
clientArgsBuilder.getSetupBuilder().getPayloadConfigBuilder().getSimpleParamsBuilder()
.setReqSize(1000)
.setRespSize(1000);
clientArgsBuilder.getSetupBuilder().getHistogramParamsBuilder()
.setResolution(0.01)
.setMaxPossible(60000000000.0);
StreamObserver<Control.ClientArgs> clientObserver = startClient(clientArgsBuilder.build());
assertWorkOccurred(clientObserver);
}
@Test
public void runPingPongAsyncClosedLoop() throws Exception {
Control.ServerArgs.Builder serverArgsBuilder = Control.ServerArgs.newBuilder();
serverArgsBuilder.getSetupBuilder()
.setServerType(Control.ServerType.ASYNC_SERVER)
.setAsyncServerThreads(4)
.setPort(0)
.getPayloadConfigBuilder().getSimpleParamsBuilder().setRespSize(1000);
int serverPort = startServer(serverArgsBuilder.build());
Control.ClientArgs.Builder clientArgsBuilder = Control.ClientArgs.newBuilder();
String serverAddress = "localhost:" + serverPort;
clientArgsBuilder.getSetupBuilder()
.setClientType(Control.ClientType.ASYNC_CLIENT)
.setClientChannels(2)
.setRpcType(Control.RpcType.STREAMING)
.setOutstandingRpcsPerChannel(1)
.setAsyncClientThreads(4)
.addServerTargets(serverAddress);
clientArgsBuilder.getSetupBuilder().getPayloadConfigBuilder().getSimpleParamsBuilder()
.setReqSize(1000)
.setRespSize(1000);
clientArgsBuilder.getSetupBuilder().getHistogramParamsBuilder()
.setResolution(0.01)
.setMaxPossible(60000000000.0);
StreamObserver<Control.ClientArgs> clientObserver = startClient(clientArgsBuilder.build());
assertWorkOccurred(clientObserver);
}
@Test
public void runGenericPingPongAsyncClosedLoop() throws Exception {
Control.ServerArgs.Builder serverArgsBuilder = Control.ServerArgs.newBuilder();
serverArgsBuilder.getSetupBuilder()
.setServerType(Control.ServerType.ASYNC_GENERIC_SERVER)
.setAsyncServerThreads(4)
.setPort(0)
.getPayloadConfigBuilder().getBytebufParamsBuilder().setReqSize(1000).setRespSize(1000);
int serverPort = startServer(serverArgsBuilder.build());
Control.ClientArgs.Builder clientArgsBuilder = Control.ClientArgs.newBuilder();
String serverAddress = "localhost:" + serverPort;
clientArgsBuilder.getSetupBuilder()
.setClientType(Control.ClientType.ASYNC_CLIENT)
.setClientChannels(2)
.setRpcType(Control.RpcType.STREAMING)
.setOutstandingRpcsPerChannel(1)
.setAsyncClientThreads(4)
.addServerTargets(serverAddress);
clientArgsBuilder.getSetupBuilder().getPayloadConfigBuilder().getBytebufParamsBuilder()
.setReqSize(1000)
.setRespSize(1000);
clientArgsBuilder.getSetupBuilder().getHistogramParamsBuilder()
.setResolution(0.01)
.setMaxPossible(60000000000.0);
StreamObserver<Control.ClientArgs> clientObserver = startClient(clientArgsBuilder.build());
assertWorkOccurred(clientObserver);
}
private void assertWorkOccurred(StreamObserver<Control.ClientArgs> clientObserver)
throws InterruptedException {
Stats.ClientStats stat = null;
for (int i = 0; i < 30; i++) {
// Poll until we get some stats
Thread.sleep(300);
clientObserver.onNext(MARK);
stat = marksQueue.poll(TIMEOUT, TimeUnit.SECONDS);
if (stat == null) {
fail("Did not receive stats");
}
if (stat.getLatencies().getCount() > 10) {
break;
}
}
clientObserver.onCompleted();
assertThat(stat.hasLatencies()).isTrue();
assertThat(stat.getLatencies().getCount()).isLessThan(stat.getLatencies().getSum());
double mean = stat.getLatencies().getSum() / stat.getLatencies().getCount();
System.out.println("Mean " + mean + " ns");
assertThat(stat.getLatencies().getMinSeen()).isLessThan(mean);
assertThat(stat.getLatencies().getMaxSeen()).isGreaterThan(mean);
}
private StreamObserver<Control.ClientArgs> startClient(Control.ClientArgs clientArgs)
throws Exception {
final SettableFuture<Void> clientReady = SettableFuture.create();
StreamObserver<Control.ClientArgs> clientObserver = workerServiceStub.runClient(
new StreamObserver<Control.ClientStatus>() {
@Override
public void onNext(Control.ClientStatus value) {
clientReady.set(null);
if (value.hasStats()) {
marksQueue.add(value.getStats());
}
}
@Override
public void onError(Throwable t) {
clientReady.setException(t);
}
@Override
public void onCompleted() {
clientReady.setException(
new RuntimeException("onCompleted() before receiving response"));
}
});
// Start the client
clientObserver.onNext(clientArgs);
clientReady.get(TIMEOUT, TimeUnit.SECONDS);
return clientObserver;
}
private int startServer(Control.ServerArgs serverArgs) throws Exception {
final SettableFuture<Integer> port = SettableFuture.create();
serverLifetime =
workerServiceStub.runServer(new StreamObserver<Control.ServerStatus>() {
@Override
public void onNext(Control.ServerStatus value) {
port.set(value.getPort());
}
@Override
public void onError(Throwable t) {
port.setException(t);
}
@Override
public void onCompleted() {
port.setException(new RuntimeException("onCompleted() before receiving response"));
}
});
// trigger server startup
serverLifetime.onNext(serverArgs);
return port.get(TIMEOUT, TimeUnit.SECONDS);
}
}