1 /*
   2  * Copyright (c) 2003, 2013, 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  * @test
  26  * @bug 4886838 4886830 8025204
  27  * @summary Tests that idle timeouts happen at appropriate times
  28  * @author Eamonn McManus
  29  * @run clean IdleTimeoutTest
  30  * @run build IdleTimeoutTest
  31  * @run main IdleTimeoutTest
  32  */
  33 
  34 import java.util.Arrays;
  35 import java.util.ArrayList;
  36 import java.util.Iterator;
  37 import java.util.List;
  38 import java.util.HashMap;
  39 import java.util.Map;
  40 import javax.management.MBeanServer;
  41 import javax.management.MBeanServerConnection;
  42 import javax.management.MBeanServerFactory;
  43 import javax.management.MBeanServerNotification;
  44 import javax.management.Notification;
  45 import javax.management.NotificationListener;
  46 import javax.management.ObjectName;
  47 import javax.management.remote.JMXConnector;
  48 import javax.management.remote.JMXConnectorFactory;
  49 import javax.management.remote.JMXConnectorServer;
  50 import javax.management.remote.JMXConnectorServerFactory;
  51 import javax.management.remote.JMXServiceURL;
  52 import com.sun.jmx.remote.util.EnvHelp;
  53 
  54 public class IdleTimeoutTest {
  55 
  56     static boolean isPresent(String cn) {
  57         try {
  58             Class.forName(cn);
  59             return true;
  60         } catch (ClassNotFoundException x) {
  61             return false;
  62         }
  63     }
  64 
  65     public static void main(String[] args) throws Exception {
  66         boolean ok = true;
  67         List protos;
  68         if (args.length > 0)
  69             protos = Arrays.asList(args);
  70         else {
  71             protos = new ArrayList(Arrays.asList(new String[] {"rmi"}));
  72             if (isPresent("javax.management.remote.rmi._RMIConnectionImpl_Tie"))
  73                 protos.add("iiop");
  74             if (isPresent("javax.management.remote.jmxmp.JMXMPConnectorServer"))
  75                 protos.add("jmxmp");
  76         }
  77         for (Iterator it = protos.iterator(); it.hasNext(); ) {
  78             String proto = (String) it.next();
  79             int liCount;
  80             if (proto.equals("jmxmp")) liCount=1;
  81             else liCount=2;
  82             if (test(proto,4,liCount))
  83                 System.out.println("Test for protocol " + proto + " passed");
  84             else {
  85                 System.out.println("Test for protocol " + proto + " FAILED");
  86                 ok = false;
  87             }
  88         }
  89         if (!ok) {
  90             throw new RuntimeException("Some tests failed - see log for details");
  91         }
  92     }
  93 
  94     private static long getIdleTimeout(MBeanServer mbs, JMXServiceURL url)
  95         throws Exception
  96     {
  97         JMXConnectorServer server =
  98             JMXConnectorServerFactory.newJMXConnectorServer(url, null, mbs);
  99         server.start();
 100         try {
 101             url = server.getAddress();
 102 
 103             // Force initialization (class loading, JIT, etc...)
 104             //
 105             JMXConnector client = JMXConnectorFactory.connect(url);
 106             try {
 107                 String connId = client.getConnectionId();
 108                 MBeanServerConnection conn = client.getMBeanServerConnection();
 109             } finally {
 110                 client.close();
 111             }
 112 
 113             // Do the time measurement
 114             //
 115             final long firstTime = System.currentTimeMillis();
 116             final long endtime;
 117             client = JMXConnectorFactory.connect(url);
 118             try {
 119                 String connId = client.getConnectionId();
 120                 MBeanServerConnection conn = client.getMBeanServerConnection();
 121                 endtime = System.currentTimeMillis();
 122             } finally {
 123                 client.close();
 124             }
 125 
 126             // multipled by 10 for a slow machine, plus 1500 for a fast one.
 127             return 10*(endtime - firstTime) + 1500;
 128         } finally {
 129             server.stop();
 130         }
 131     }
 132 
 133     private static class NotificationCounter
 134         implements NotificationListener {
 135         private final int[]  listenerCount;
 136         private final String listenerName;
 137         NotificationCounter(int[] counter, String name) {
 138             listenerCount=counter;
 139             listenerName=name;
 140         }
 141 
 142         public void handleNotification(Notification n,
 143                                        Object h) {
 144             MBeanServerNotification mbsn =
 145                 (MBeanServerNotification) n;
 146             System.out.println(listenerName + " got notification: "
 147                                + mbsn.getMBeanName());
 148             synchronized (listenerCount) {
 149                 listenerCount[0]++;
 150                 listenerCount.notify();
 151             }
 152         }
 153         public String toString() {
 154             return listenerName;
 155         }
 156     }
 157 
 158     private static boolean test(String proto,int opCount,int liCount)
 159         throws Exception {
 160         System.out.println("Idle timeout test for protocol " + proto);
 161         ObjectName delegateName =
 162             ObjectName.getInstance("JMImplementation:" +
 163                                    "type=MBeanServerDelegate");
 164         MBeanServer mbs = MBeanServerFactory.createMBeanServer();
 165         JMXServiceURL url = new JMXServiceURL("service:jmx:" + proto + "://");
 166 
 167         final long timeout = getIdleTimeout(mbs,url);
 168         System.out.println("Timeout for " + proto + " is: " +
 169                            timeout + " ms");
 170 
 171         Map idleMap = new HashMap();
 172         idleMap.put(EnvHelp.SERVER_CONNECTION_TIMEOUT, new Long(timeout));
 173         JMXConnectorServer server =
 174             JMXConnectorServerFactory.newJMXConnectorServer(url,idleMap,mbs);
 175 
 176         final int[] listenerCount = new int[1];
 177         final NotificationListener countListeners[] =
 178             new NotificationListener[liCount];
 179         int i;
 180         for (i=0; i<countListeners.length; i++) {
 181             countListeners[i] =
 182                 new NotificationCounter(listenerCount,"Listener"+i);
 183         }
 184 
 185         server.start();
 186         try {
 187             url = server.getAddress();
 188             final long firstTime = System.currentTimeMillis();
 189             JMXConnector client = JMXConnectorFactory.connect(url);
 190             long elapsed, startIdle=0;
 191             try {
 192                 String connId = client.getConnectionId();
 193                 MBeanServerConnection conn =
 194                     client.getMBeanServerConnection();
 195                 elapsed   = System.currentTimeMillis() - firstTime;
 196                 System.out.println("Idle Time: " + elapsed + "ms");
 197 
 198                 for (i=0; i<countListeners.length; i++) {
 199                     System.out.println("add " + countListeners[i] +
 200                                        ": starting at " + elapsed + "ms");
 201                     conn.addNotificationListener(delegateName,
 202                                                  countListeners[i],
 203                                                  null,null);
 204                 }
 205 
 206                 System.out.println("connId=" + connId);
 207                 for (i = 0; i < opCount; i++) {
 208                     elapsed   = System.currentTimeMillis() - firstTime;
 209                     System.out.println("Operation[" + (i+1)
 210                                        +"]: starting at " +
 211                                        elapsed + "ms");
 212                     final String name = "d:type=mlet,instance=" + i;
 213                     mbs.createMBean("javax.management.loading.MLet",
 214                                     new ObjectName(name));
 215                     if (i == (opCount-1))
 216                         startIdle = System.currentTimeMillis();
 217                     Thread.sleep(2);
 218                 }
 219 
 220                 // Wait for notifs to arrive before doing removeNListener
 221                 long startTime = System.currentTimeMillis();
 222                 long deadline = startTime + 10000;
 223 
 224                 System.out.println("Waiting for notifs: starting at " +
 225                                    (startTime - firstTime) + "ms");
 226 
 227                 final int expectedCount = opCount*countListeners.length;
 228                 while (System.currentTimeMillis() < deadline) {
 229                     synchronized (listenerCount) {
 230                         if (listenerCount[0] >= expectedCount)
 231                             break;
 232                         listenerCount.wait();
 233                     }
 234                 }
 235 
 236                 long elapsedWait = System.currentTimeMillis() - startTime;
 237                 System.out.println("Waited " + elapsedWait +
 238                                    "ms for notifs to arrive");
 239 
 240                 if (listenerCount[0] != expectedCount) {
 241                     System.out.println("Did not get expected " +
 242                                        expectedCount + " notifications: "
 243                                        + listenerCount[0]);
 244                     return false;
 245                 }
 246 
 247                 elapsed   = System.currentTimeMillis() - firstTime;
 248 
 249                 System.out.println("idle time since last operation: " +
 250                                    (elapsed + firstTime - startIdle) + "ms");
 251                 System.out.println("Requesting conn id at: " +
 252                                    elapsed + "ms");
 253                 final String cid = client.getConnectionId();
 254 
 255                 elapsed   = System.currentTimeMillis() - firstTime;
 256                 System.out.println("Got conn id <" + cid + "> at: " +
 257                                    elapsed + "ms");
 258 
 259                 if (!connId.equals(cid)) {
 260                     System.out.println("Client id changed: <" + connId +
 261                                        "> -> <" + cid +
 262                                        ">");
 263                     return false;
 264                 }
 265 
 266                 List ids = Arrays.asList(server.getConnectionIds());
 267                 if (!ids.contains(connId)) {
 268                     System.out.println("Server ids don't contain our id: " +
 269                                        ids + " - " + connId);
 270                     return false;
 271                 }
 272 
 273                 for (i=0;i<countListeners.length;i++) {
 274                     System.out.println("Removing notification listener: " +
 275                                        countListeners[i]);
 276                     conn.removeNotificationListener(delegateName,
 277                                                     countListeners[i]);
 278                 }
 279 
 280                 System.out.println("Waiting for id list to drop ours");
 281                 // pass or timed out by test harness - see 8025204
 282                 do {
 283                    Thread.sleep(100);
 284                    ids = Arrays.asList(server.getConnectionIds());
 285                 } while (ids.contains(connId));
 286 
 287                 conn.getDefaultDomain();
 288                 if (connId.equals(client.getConnectionId())) {
 289                     System.out.println("Client id did not change: <" + connId +
 290                                        ">: idle timeout did not happen?");
 291                     return false;
 292                 } else {
 293                     System.out.println("Client id changed as expected: <" +
 294                                        connId + "> -> <" +
 295                                        client.getConnectionId() + ">");
 296                 }
 297             } finally {
 298                 client.close();
 299                 System.out.println("Connection id list on server after " +
 300                                    "client close: " +
 301                                    Arrays.asList(server.getConnectionIds()));
 302             }
 303         } finally {
 304             server.stop();
 305         }
 306         System.out.println("*** ------------------------------------------");
 307         System.out.println("*** Test passed for " + proto);
 308         System.out.println("*** ------------------------------------------");
 309         return true;
 310     }
 311 }