| /* |
| * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.io.BufferedReader; |
| import java.io.InputStreamReader; |
| import java.io.IOException; |
| |
| import jdk.test.lib.JDKToolLauncher; |
| |
| |
| public class DebugdUtils { |
| |
| private static final String GOLDEN = "Debugger attached"; |
| |
| private final String id; |
| |
| private Process debugdProcess; |
| |
| public DebugdUtils(String id) { |
| this.id = id; |
| debugdProcess = null; |
| } |
| |
| public void attach(long pid) throws IOException { |
| JDKToolLauncher jhsdbLauncher = JDKToolLauncher.createUsingTestJDK("jhsdb"); |
| jhsdbLauncher.addToolArg("debugd"); |
| jhsdbLauncher.addToolArg("--pid"); |
| jhsdbLauncher.addToolArg(Long.toString(pid)); |
| if (id != null) { |
| jhsdbLauncher.addToolArg("--serverid"); |
| jhsdbLauncher.addToolArg(id); |
| } |
| debugdProcess = (new ProcessBuilder(jhsdbLauncher.getCommand())).start(); |
| |
| // Wait until debug server attached |
| try (BufferedReader reader = new BufferedReader(new InputStreamReader(debugdProcess.getErrorStream()))) { |
| String line; |
| while ((line = reader.readLine()) != null) { |
| if (line.contains(GOLDEN)) { |
| break; |
| } |
| } |
| } |
| } |
| |
| public void detach() throws InterruptedException { |
| if (debugdProcess != null) { |
| debugdProcess.destroy(); |
| debugdProcess.waitFor(); |
| } |
| } |
| } |