1 /******************************************************************************* 2 * Copyright (c) 2009, 2018 Mountainminds GmbH & Co. KG and Contributors 3 * All rights reserved. This program and the accompanying materials 4 * are made available under the terms of the Eclipse Public License v1.0 5 * which accompanies this distribution, and is available at 6 * http://www.eclipse.org/legal/epl-v10.html 7 * 8 * Contributors: 9 * Marc R. Hoffmann - initial API and implementation 10 * 11 *******************************************************************************/ 12 package org.jacoco.examples; 13 14 import java.io.FileOutputStream; 15 import java.io.IOException; 16 import java.net.InetAddress; 17 import java.net.ServerSocket; 18 import java.net.Socket; 19 20 import org.jacoco.core.data.ExecutionData; 21 import org.jacoco.core.data.ExecutionDataWriter; 22 import org.jacoco.core.data.IExecutionDataVisitor; 23 import org.jacoco.core.data.ISessionInfoVisitor; 24 import org.jacoco.core.data.SessionInfo; 25 import org.jacoco.core.runtime.RemoteControlReader; 26 import org.jacoco.core.runtime.RemoteControlWriter; 27 28 /** 29 * This example starts a socket server to collect coverage from agents that run 30 * in output mode <code>tcpclient</code>. The collected data is dumped to a 31 * local file. 32 */ 33 public final class ExecutionDataServer { 34 35 private static final String DESTFILE = "jacoco-server.exec"; 36 37 private static final String ADDRESS = "localhost"; 38 39 private static final int PORT = 6300; 40 41 /** 42 * Start the server as a standalone program. 43 * 44 * @param args 45 * @throws IOException 46 */ main(final String[] args)47 public static void main(final String[] args) throws IOException { 48 final ExecutionDataWriter fileWriter = new ExecutionDataWriter( 49 new FileOutputStream(DESTFILE)); 50 final ServerSocket server = new ServerSocket(PORT, 0, 51 InetAddress.getByName(ADDRESS)); 52 while (true) { 53 final Handler handler = new Handler(server.accept(), fileWriter); 54 new Thread(handler).start(); 55 } 56 } 57 58 private static class Handler implements Runnable, ISessionInfoVisitor, 59 IExecutionDataVisitor { 60 61 private final Socket socket; 62 63 private final RemoteControlReader reader; 64 65 private final ExecutionDataWriter fileWriter; 66 Handler(final Socket socket, final ExecutionDataWriter fileWriter)67 Handler(final Socket socket, final ExecutionDataWriter fileWriter) 68 throws IOException { 69 this.socket = socket; 70 this.fileWriter = fileWriter; 71 72 // Just send a valid header: 73 new RemoteControlWriter(socket.getOutputStream()); 74 75 reader = new RemoteControlReader(socket.getInputStream()); 76 reader.setSessionInfoVisitor(this); 77 reader.setExecutionDataVisitor(this); 78 } 79 run()80 public void run() { 81 try { 82 while (reader.read()) { 83 } 84 socket.close(); 85 synchronized (fileWriter) { 86 fileWriter.flush(); 87 } 88 } catch (final IOException e) { 89 e.printStackTrace(); 90 } 91 } 92 visitSessionInfo(final SessionInfo info)93 public void visitSessionInfo(final SessionInfo info) { 94 System.out.printf("Retrieving execution Data for session: %s%n", 95 info.getId()); 96 synchronized (fileWriter) { 97 fileWriter.visitSessionInfo(info); 98 } 99 } 100 visitClassExecution(final ExecutionData data)101 public void visitClassExecution(final ExecutionData data) { 102 synchronized (fileWriter) { 103 fileWriter.visitClassExecution(data); 104 } 105 } 106 } 107 ExecutionDataServer()108 private ExecutionDataServer() { 109 } 110 } 111