1 /* 2 * Copyright (c) 2005, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * 26 * 27 * A test "management tool" used by unit tests - 28 * LocalManagementTest.java, CustomLauncherTest.java 29 * 30 * Usage: java TestManager <pid> <port> 31 * 32 * where <pid> is the process-id of the test application, and <port> is 33 * TCP port is used to shutdown the application. 34 */ 35 import javax.management.MBeanServerConnection; 36 import javax.management.remote.JMXServiceURL; 37 import javax.management.remote.JMXConnectorFactory; 38 import javax.management.remote.JMXConnector; 39 import java.lang.management.RuntimeMXBean; 40 import static java.lang.management.ManagementFactory.*; 41 import java.net.Socket; 42 import java.net.InetSocketAddress; 43 import java.io.IOException; 44 45 // Sun specific 46 import com.sun.tools.attach.VirtualMachine; 47 48 // Sun implementation specific 49 import jdk.internal.agent.ConnectorAddressLink; 50 51 public class TestManager { 52 53 /* 54 * Starts the management agent in the target VM 55 */ 56 private static void startManagementAgent(String pid) throws IOException { 57 try { 58 VirtualMachine.attach(pid).startLocalManagementAgent(); 59 } catch (Exception x) { 60 throw new IOException(x.getMessage(), x); 61 } 62 } 63 64 private static void connect(String pid, String address) throws Exception { 65 if (address == null) { 66 throw new RuntimeException("Local connector address for " + 67 pid + " is null"); 68 } 69 70 System.out.println("Connect to process " + pid + " via: " + address); 71 72 JMXServiceURL url = new JMXServiceURL(address); 73 JMXConnector c = JMXConnectorFactory.connect(url); 74 MBeanServerConnection server = c.getMBeanServerConnection(); 75 76 System.out.println("Connected."); 77 78 RuntimeMXBean rt = newPlatformMXBeanProxy(server, 79 RUNTIME_MXBEAN_NAME, RuntimeMXBean.class); 80 System.out.println(rt.getName()); 81 82 // close the connection 83 c.close(); 84 } 85 86 87 private final static String LOCAL_CONNECTOR_ADDRESS_PROP = 88 "com.sun.management.jmxremote.localConnectorAddress"; 89 public static void main(String[] args) throws Exception { 90 String pid = args[0]; // pid as a string 91 System.out.println("Starting TestManager for PID = " + pid); 92 System.out.flush(); 93 VirtualMachine vm = VirtualMachine.attach(pid); 94 95 String agentPropLocalConnectorAddress = (String) 96 vm.getAgentProperties().get(LOCAL_CONNECTOR_ADDRESS_PROP); 97 98 int vmid = Integer.parseInt(pid); 99 String jvmstatLocalConnectorAddress = 100 ConnectorAddressLink.importFrom(vmid); 101 102 if (agentPropLocalConnectorAddress == null && 103 jvmstatLocalConnectorAddress == null) { 104 // No JMX Connector address so attach to VM, and start local agent 105 startManagementAgent(pid); 106 agentPropLocalConnectorAddress = (String) 107 vm.getAgentProperties().get(LOCAL_CONNECTOR_ADDRESS_PROP); 108 jvmstatLocalConnectorAddress = 109 ConnectorAddressLink.importFrom(vmid); 110 } 111 112 113 // Test address obtained from agent properties 114 System.out.println("Testing the connector address from agent properties"); 115 connect(pid, agentPropLocalConnectorAddress); 116 117 // Test address obtained from jvmstat buffer 118 System.out.println("Testing the connector address from jvmstat buffer"); 119 connect(pid, jvmstatLocalConnectorAddress); 120 121 // Shutdown application 122 int port = Integer.parseInt(args[1]); 123 System.out.println("Shutdown process via TCP port: " + port); 124 Socket s = new Socket(); 125 s.connect(new InetSocketAddress(port)); 126 s.close(); 127 } 128 }