| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.geode.perftest.jvms; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.ExecutionException; |
| import java.util.stream.Stream; |
| |
| import org.apache.geode.perftest.Task; |
| import org.apache.geode.perftest.infrastructure.Infrastructure; |
| import org.apache.geode.perftest.jvms.rmi.Controller; |
| |
| /** |
| * Interface for accessing remote JVMs are running tasks on them. |
| */ |
| public class RemoteJVMs implements AutoCloseable { |
| private final List<JVMMapping> jvmMappings; |
| private final Controller controller; |
| private final CompletableFuture<Void> exited; |
| private final Infrastructure infra; |
| |
| |
| public RemoteJVMs(Infrastructure infra, |
| List<JVMMapping> mapping, Controller controller, |
| CompletableFuture<Void> exited) { |
| this.infra = infra; |
| this.jvmMappings = mapping; |
| this.controller = controller; |
| this.exited = exited; |
| } |
| |
| /** |
| * Run a task in parallel on all JVMs with the given roles. |
| */ |
| public void execute(Task task, String... roleArray) { |
| |
| HashSet<String> roles = new HashSet<>(Arrays.asList(roleArray)); |
| |
| Stream<CompletableFuture> futures = jvmMappings.stream() |
| .filter(mapping -> roles.contains(mapping.getRole())) |
| .map(mapping -> controller.onWorker(mapping.getId(), task)); |
| |
| futures.forEach(CompletableFuture::join); |
| } |
| |
| public void close() throws IOException, ExecutionException, InterruptedException { |
| controller.close(); |
| exited.get(); |
| infra.close(); |
| } |
| |
| public void closeController() throws IOException, ExecutionException, InterruptedException { |
| controller.close(); |
| exited.get(); |
| } |
| |
| public void closeInfra() throws IOException, InterruptedException { |
| infra.close(); |
| } |
| |
| /** |
| * Copy results to the provided output directory |
| */ |
| public void copyResults(File benchmarkOutput) throws IOException { |
| for (JVMMapping jvm : jvmMappings) { |
| infra.copyFromNode(jvm.getNode(), jvm.getOutputDir(), |
| new File(benchmarkOutput, jvm.getRole() + "-" + jvm.getId())); |
| } |
| } |
| } |