| /* |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.hadoop.test; |
| |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.net.ServerSocket; |
| import java.net.Socket; |
| |
| import org.jacoco.core.data.ExecutionDataWriter; |
| import org.jacoco.core.data.IExecutionDataVisitor; |
| import org.jacoco.core.data.ISessionInfoVisitor; |
| import org.jacoco.core.runtime.RemoteControlReader; |
| import org.jacoco.core.runtime.RemoteControlWriter; |
| |
| /** |
| * Simple TPC server to collect all the Jacoco coverage data. |
| */ |
| public final class JacocoServer { |
| |
| private static Object lockMonitor = new Object(); |
| |
| private static int port = 6300; |
| |
| private static String destinationFile = "/tmp/jacoco-combined.exec"; |
| |
| private JacocoServer() { |
| } |
| |
| @SuppressWarnings("checkstyle:EmptyStatement") |
| public static void main(String[] args) throws IOException { |
| ExecutionDataWriter destination = |
| new ExecutionDataWriter(new FileOutputStream(destinationFile)); |
| ServerSocket serverSocket = new ServerSocket(port); |
| Runtime.getRuntime().addShutdownHook(new Thread(() -> { |
| try { |
| destination.flush(); |
| serverSocket.close(); |
| } catch (Exception ex) { |
| ex.printStackTrace(); |
| } |
| })); |
| |
| while (true) { |
| final Socket socket = serverSocket.accept(); |
| new Thread(() -> { |
| try { |
| RemoteControlWriter writer = |
| new RemoteControlWriter(socket.getOutputStream()); |
| RemoteControlReader reader = |
| new RemoteControlReader(socket.getInputStream()); |
| reader.setSessionInfoVisitor( |
| synchronizedCall(destination::visitSessionInfo)); |
| reader.setExecutionDataVisitor( |
| synchronizedCall(destination::visitClassExecution)); |
| while (reader.read()) { |
| ;//read until the end of the stream. |
| } |
| synchronized (lockMonitor) { |
| destination.flush(); |
| } |
| } catch (Exception ex) { |
| ex.printStackTrace(); |
| } finally { |
| try { |
| socket.close(); |
| } catch (IOException e) { |
| e.printStackTrace(); |
| } |
| } |
| }).start(); |
| } |
| |
| } |
| |
| /** |
| * Make the ISessionInfoVisitor call synchronized. |
| */ |
| public static ISessionInfoVisitor synchronizedCall( |
| ISessionInfoVisitor origin) { |
| return data -> { |
| synchronized (lockMonitor) { |
| origin.visitSessionInfo(data); |
| } |
| }; |
| } |
| |
| /** |
| * Make the IExecutionDataVisitor call synchronized. |
| */ |
| public static IExecutionDataVisitor synchronizedCall( |
| IExecutionDataVisitor origin) { |
| return data -> { |
| synchronized (lockMonitor) { |
| origin.visitClassExecution(data); |
| } |
| }; |
| } |
| } |