jdk/test/javax/management/eventService/SharingThreadTest.java - platform/libcore - Git at Google

 /*/*
  * Copyright 2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  * CA 95054 USA or visit www.sun.com if you need additional information or
  * have any questions.
  */

 /*
  * @test SharingThreadTest.java 1.3 08/01/22
  * @bug 5108776
  * @summary Basic test for EventClient to see internal thread management.
  * @author Shanliang JIANG
  * @run clean SharingThreadTest
  * @run build SharingThreadTest
  * @run main SharingThreadTest
  */

 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.ArrayBlockingQueue;
 import java.util.concurrent.Executor;
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
 import javax.management.MBeanServer;
 import javax.management.MBeanServerFactory;
 import javax.management.Notification;
 import javax.management.NotificationBroadcasterSupport;
 import javax.management.NotificationFilter;
 import javax.management.NotificationListener;
 import javax.management.ObjectName;
 import javax.management.event.EventClient;
 import javax.management.event.EventClientDelegate;
 import javax.management.event.EventClientDelegateMBean;
 import javax.management.event.FetchingEventRelay;
 import javax.management.event.RMIPushEventRelay;
 import javax.management.remote.JMXConnector;
 import javax.management.remote.JMXConnectorFactory;
 import javax.management.remote.JMXConnectorServer;
 import javax.management.remote.JMXConnectorServerFactory;
 import javax.management.remote.JMXServiceURL;


 public class SharingThreadTest {

     private static MBeanServer mbeanServer = MBeanServerFactory.createMBeanServer();
     private static List<Notification> notifList = new ArrayList<Notification>();
     private static ObjectName emitter;
     private static NotificationEmitter emitterImpl;
     private static JMXServiceURL url;
     private static JMXConnectorServer server;
     private static JMXConnector conn;


     private static int toSend = 10;
     private static long sequenceNumber = 0;
     private static final long bigWaiting = 6000;
     private static int counter = 0;
     private static int jobs = 10;
     private static int endedJobs = 0;

     private static Executor sharedExecutor = new ThreadPoolExecutor(0, 1, 1000,
             TimeUnit.MILLISECONDS, new ArrayBlockingQueue(jobs));
             //Executors.newFixedThreadPool(1);

     public static void main(String[] args) throws Exception {
         System.out.println(">>> Test on sharing threads for multiple EventClient.");

         // for 1.5
         if (System.getProperty("java.version").startsWith("1.5") &&
                 !mbeanServer.isRegistered(EventClientDelegateMBean.OBJECT_NAME)) {
             System.out.print("Working on "+System.getProperty("java.version")+
                     " register "+EventClientDelegateMBean.OBJECT_NAME);

             mbeanServer.registerMBean(EventClientDelegate.
                     getEventClientDelegate(mbeanServer),
                     EventClientDelegateMBean.OBJECT_NAME);

             sharedExecutor = new ThreadPoolExecutor(1, 1, 1000,
             TimeUnit.MILLISECONDS, new ArrayBlockingQueue(jobs));
         }

         emitter = new ObjectName("Default:name=NotificationEmitter");
         emitterImpl = new NotificationEmitter();
         mbeanServer.registerMBean(emitterImpl, emitter);

         String[] types = new String[]{"PushEventRelay", "FetchingEventRelay"};
         String[] protos = new String[]{"rmi", "iiop", "jmxmp"};
         for (String prot : protos) {
             url = new JMXServiceURL(prot, null, 0);

             try {
                 server =
                         JMXConnectorServerFactory.newJMXConnectorServer(url,
                         null, mbeanServer);
                 server.start();
             } catch (Exception e) {
                 System.out.println(">>> Skip "+prot+", not support.");
                 continue;
             }

             url = server.getAddress();

             // noise
             Thread noise = new Thread(new Runnable() {
                 public void run() {
                     while (true) {
                         emitterImpl.sendNotif(1, null);
                         try {
                             Thread.sleep(10);
                         } catch (Exception e) {
                             // OK
                         }
                     }
                 }
             });
             noise.setDaemon(true);
             noise.start();

             Thread[] threads = new Thread[jobs];
             try {
                 for (String type: types) {
                     System.out.println("\n\n>>> Testing "+type+" on "+url+" ...");
                     newConn();
                     for (int i=0; i<jobs; i++) {
                         threads[i] = new Thread(new Job(type));
                         threads[i].setDaemon(true);
                         threads[i].start();
                     }

                     // to wait
                     long toWait = bigWaiting*jobs;
                     long stopTime = System.currentTimeMillis() + toWait;

                     synchronized(SharingThreadTest.class) {
                         while (endedJobs < jobs && toWait > 0) {
                             SharingThreadTest.class.wait(toWait);
                             toWait = stopTime - System.currentTimeMillis();
                         }
                     }

                     if (endedJobs != jobs) {
                         throw new RuntimeException("Need to set bigger waiting timeout?");
                     }

                     endedJobs = 0;
                     conn.close();
                     System.out.println(">>> Testing "+type+" on "+url+" ... done");
                 }
             } finally {
                 server.stop();
             }
         }
     }

     public static class Job implements Runnable {
         public Job(String type) {
             this.type = type;
         }
         public void run() {
             try {
                 test(type);

                 synchronized(SharingThreadTest.class) {
                     endedJobs++;
                     if (endedJobs>=jobs) {
                         SharingThreadTest.class.notify();
                     }
                 }
             } catch (RuntimeException re) {
                 throw re;
             } catch (Exception e) {
                 throw new RuntimeException(e);
             }
         }

         private final String type;
     }

     private static void test(String type) throws Exception {
         String id = getId();

         Listener listener = new Listener(id);
         Filter filter = new Filter(id);

         //newConn();
         EventClient ec = newEventClient(type);

         System.out.println(">>> ("+id+") To receive notifications "+toSend);
         ec.addNotificationListener(emitter,
                 listener, filter, null);

         emitterImpl.sendNotif(toSend, id);
         listener.waitNotifs(bigWaiting, toSend);
         if (listener.received != toSend) {
             throw new RuntimeException(">>> ("+id+") Expected to receive: "
                     +toSend+", but got: "+listener.received);
         }

         // not close the EventClient to keep using thread
         //ec.close();
     }

 //--------------------------
 // private classes
 //--------------------------

     private static class Listener implements NotificationListener {
         public Listener(String id) {
             this.id = id;
         }
         public void handleNotification(Notification notif, Object handback) {
             if (!id.equals(notif.getUserData())) {
                 System.out.println("("+id+") Filter error, my id is: "+id+
                         ", but got "+notif.getUserData());
                 System.exit(1);
             }
             System.out.println("("+id+") received "+notif.getSequenceNumber());
             synchronized (notifList) {
                 received++;

                 if (sequenceNB < 0) {
                     sequenceNB = notif.getSequenceNumber();
                 } else if(++sequenceNB != notif.getSequenceNumber()) {
                     throw new RuntimeException("Wrong sequence number, expecte: "
                             +sequenceNB+", but got: "+notif.getSequenceNumber());
                 }
                 if (received >= toSend) {
                     this.notify();
                 }
             }
         }

         public void waitNotifs(long timeout, int nb) throws Exception {
             long toWait = timeout;
             long stopTime = System.currentTimeMillis() + timeout;
             synchronized(this) {
                 while (received < nb && toWait > 0) {
                     this.wait(toWait);
                     toWait = stopTime - System.currentTimeMillis();
                 }
             }
         }

         public void clear() {
             synchronized(this) {
                 received = 0;
                 sequenceNB = -1;
             }
         }

         private String id;
         private int received = 0;

         private long sequenceNB = -1;
     }

     private static class Filter implements NotificationFilter {
         public Filter(String id) {
             this.id = id;
         }

         public boolean isNotificationEnabled(Notification n) {
             return id.equals(n.getUserData());
         }
         private String id;
     }

     private static NotificationListener dummyListener = new NotificationListener() {
         public void handleNotification(Notification notif, Object handback) {
         }
     };

     public static class NotificationEmitter extends NotificationBroadcasterSupport
             implements NotificationEmitterMBean {

         /**
          * Send Notification objects.
          *
          * @param nb The number of notifications to send
          */
         public void sendNotif(int nb, String userData) {
             new Thread(new SendJob(nb, userData)).start();
         }

         private class SendJob implements Runnable {
             public SendJob(int nb, String userData) {
                 this.nb = nb;
                 this.userData = userData;
             }

             public void run() {
                 if (userData != null) {
                     System.out.println(">>> ("+userData+") sending "+nb);
                 }
                 for (int i = 0; i<nb; i++) {
                     Notification notif = new Notification(myType, emitter,
                             sequenceNumber++);
                     notif.setUserData(userData);
                     sendNotification(notif);
                     Thread.yield();
                     try {
                         Thread.sleep(1);
                     } catch (Exception e) {}
                 }
                 if (userData != null) {
                     System.out.println(">>> ("+userData+") sending done");
                 }
             }
             private int nb;
             private String userData;
         }
         private final String myType = "notification.my_notification";
     }

     public interface NotificationEmitterMBean {
         public void sendNotif(int nb, String userData);
     }

     private static void newConn() throws IOException {
         conn = JMXConnectorFactory.connect(url);
     }

     private static EventClient newEventClient(String type) throws Exception {
         EventClientDelegateMBean proxy =
                 EventClientDelegate.getProxy(conn.getMBeanServerConnection());
         if (type.equals("PushEventRelay")) {
             return new EventClient(proxy,
                     new RMIPushEventRelay(proxy), sharedExecutor, null, 600);
         } else if (type.equals("FetchingEventRelay")) {
             return new EventClient(proxy,
                     new FetchingEventRelay(proxy,
                     FetchingEventRelay.DEFAULT_BUFFER_SIZE,
                     10,
                     FetchingEventRelay.DEFAULT_MAX_NOTIFICATIONS,
                     sharedExecutor),
                     null, null, 600);
         } else {
             throw new RuntimeException("Wrong event client type: "+type);
         }
     }

     private static String getId() {
         synchronized(SharingThreadTest.class) {
             return String.valueOf(counter++);
         }
     }
 }
	//
	* Copyright 2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
	* CA 95054 USA or visit www.sun.com if you need additional information or
	* have any questions.
	*/

	/*
	* @test SharingThreadTest.java 1.3 08/01/22
	* @bug 5108776
	* @summary Basic test for EventClient to see internal thread management.
	* @author Shanliang JIANG
	* @run clean SharingThreadTest
	* @run build SharingThreadTest
	* @run main SharingThreadTest
	*/

	import java.io.IOException;
	import java.util.ArrayList;
	import java.util.List;
	import java.util.concurrent.ArrayBlockingQueue;
	import java.util.concurrent.Executor;
	import java.util.concurrent.ThreadPoolExecutor;
	import java.util.concurrent.TimeUnit;
	import javax.management.MBeanServer;
	import javax.management.MBeanServerFactory;
	import javax.management.Notification;
	import javax.management.NotificationBroadcasterSupport;
	import javax.management.NotificationFilter;
	import javax.management.NotificationListener;
	import javax.management.ObjectName;
	import javax.management.event.EventClient;
	import javax.management.event.EventClientDelegate;
	import javax.management.event.EventClientDelegateMBean;
	import javax.management.event.FetchingEventRelay;
	import javax.management.event.RMIPushEventRelay;
	import javax.management.remote.JMXConnector;
	import javax.management.remote.JMXConnectorFactory;
	import javax.management.remote.JMXConnectorServer;
	import javax.management.remote.JMXConnectorServerFactory;
	import javax.management.remote.JMXServiceURL;


	public class SharingThreadTest {

	private static MBeanServer mbeanServer = MBeanServerFactory.createMBeanServer();
	private static List<Notification> notifList = new ArrayList<Notification>();
	private static ObjectName emitter;
	private static NotificationEmitter emitterImpl;
	private static JMXServiceURL url;
	private static JMXConnectorServer server;
	private static JMXConnector conn;


	private static int toSend = 10;
	private static long sequenceNumber = 0;
	private static final long bigWaiting = 6000;
	private static int counter = 0;
	private static int jobs = 10;
	private static int endedJobs = 0;

	private static Executor sharedExecutor = new ThreadPoolExecutor(0, 1, 1000,
	TimeUnit.MILLISECONDS, new ArrayBlockingQueue(jobs));
	//Executors.newFixedThreadPool(1);

	public static void main(String[] args) throws Exception {
	System.out.println(">>> Test on sharing threads for multiple EventClient.");

	// for 1.5
	if (System.getProperty("java.version").startsWith("1.5") &&
	!mbeanServer.isRegistered(EventClientDelegateMBean.OBJECT_NAME)) {
	System.out.print("Working on "+System.getProperty("java.version")+
	" register "+EventClientDelegateMBean.OBJECT_NAME);

	mbeanServer.registerMBean(EventClientDelegate.
	getEventClientDelegate(mbeanServer),
	EventClientDelegateMBean.OBJECT_NAME);

	sharedExecutor = new ThreadPoolExecutor(1, 1, 1000,
	TimeUnit.MILLISECONDS, new ArrayBlockingQueue(jobs));
	}

	emitter = new ObjectName("Default:name=NotificationEmitter");
	emitterImpl = new NotificationEmitter();
	mbeanServer.registerMBean(emitterImpl, emitter);

	String[] types = new String[]{"PushEventRelay", "FetchingEventRelay"};
	String[] protos = new String[]{"rmi", "iiop", "jmxmp"};
	for (String prot : protos) {
	url = new JMXServiceURL(prot, null, 0);

	try {
	server =
	JMXConnectorServerFactory.newJMXConnectorServer(url,
	null, mbeanServer);
	server.start();
	} catch (Exception e) {
	System.out.println(">>> Skip "+prot+", not support.");
	continue;
	}

	url = server.getAddress();

	// noise
	Thread noise = new Thread(new Runnable() {
	public void run() {
	while (true) {
	emitterImpl.sendNotif(1, null);
	try {
	Thread.sleep(10);
	} catch (Exception e) {
	// OK
	}
	}
	}
	});
	noise.setDaemon(true);
	noise.start();

	Thread[] threads = new Thread[jobs];
	try {
	for (String type: types) {
	System.out.println("\n\n>>> Testing "+type+" on "+url+" ...");
	newConn();
	for (int i=0; i<jobs; i++) {
	threads[i] = new Thread(new Job(type));
	threads[i].setDaemon(true);
	threads[i].start();
	}

	// to wait
	long toWait = bigWaiting*jobs;
	long stopTime = System.currentTimeMillis() + toWait;

	synchronized(SharingThreadTest.class) {
	while (endedJobs < jobs && toWait > 0) {
	SharingThreadTest.class.wait(toWait);
	toWait = stopTime - System.currentTimeMillis();
	}
	}

	if (endedJobs != jobs) {
	throw new RuntimeException("Need to set bigger waiting timeout?");
	}

	endedJobs = 0;
	conn.close();
	System.out.println(">>> Testing "+type+" on "+url+" ... done");
	}
	} finally {
	server.stop();
	}
	}
	}

	public static class Job implements Runnable {
	public Job(String type) {
	this.type = type;
	}
	public void run() {
	try {
	test(type);

	synchronized(SharingThreadTest.class) {
	endedJobs++;
	if (endedJobs>=jobs) {
	SharingThreadTest.class.notify();
	}
	}
	} catch (RuntimeException re) {
	throw re;
	} catch (Exception e) {
	throw new RuntimeException(e);
	}
	}

	private final String type;
	}

	private static void test(String type) throws Exception {
	String id = getId();

	Listener listener = new Listener(id);
	Filter filter = new Filter(id);

	//newConn();
	EventClient ec = newEventClient(type);

	System.out.println(">>> ("+id+") To receive notifications "+toSend);
	ec.addNotificationListener(emitter,
	listener, filter, null);

	emitterImpl.sendNotif(toSend, id);
	listener.waitNotifs(bigWaiting, toSend);
	if (listener.received != toSend) {
	throw new RuntimeException(">>> ("+id+") Expected to receive: "
	+toSend+", but got: "+listener.received);
	}

	// not close the EventClient to keep using thread
	//ec.close();
	}

	//--------------------------
	// private classes
	//--------------------------

	private static class Listener implements NotificationListener {
	public Listener(String id) {
	this.id = id;
	}
	public void handleNotification(Notification notif, Object handback) {
	if (!id.equals(notif.getUserData())) {
	System.out.println("("+id+") Filter error, my id is: "+id+
	", but got "+notif.getUserData());
	System.exit(1);
	}
	System.out.println("("+id+") received "+notif.getSequenceNumber());
	synchronized (notifList) {
	received++;

	if (sequenceNB < 0) {
	sequenceNB = notif.getSequenceNumber();
	} else if(++sequenceNB != notif.getSequenceNumber()) {
	throw new RuntimeException("Wrong sequence number, expecte: "
	+sequenceNB+", but got: "+notif.getSequenceNumber());
	}
	if (received >= toSend) {
	this.notify();
	}
	}
	}

	public void waitNotifs(long timeout, int nb) throws Exception {
	long toWait = timeout;
	long stopTime = System.currentTimeMillis() + timeout;
	synchronized(this) {
	while (received < nb && toWait > 0) {
	this.wait(toWait);
	toWait = stopTime - System.currentTimeMillis();
	}
	}
	}

	public void clear() {
	synchronized(this) {
	received = 0;
	sequenceNB = -1;
	}
	}

	private String id;
	private int received = 0;

	private long sequenceNB = -1;
	}

	private static class Filter implements NotificationFilter {
	public Filter(String id) {
	this.id = id;
	}

	public boolean isNotificationEnabled(Notification n) {
	return id.equals(n.getUserData());
	}
	private String id;
	}

	private static NotificationListener dummyListener = new NotificationListener() {
	public void handleNotification(Notification notif, Object handback) {
	}
	};

	public static class NotificationEmitter extends NotificationBroadcasterSupport
	implements NotificationEmitterMBean {

	/**
	* Send Notification objects.
	*
	* @param nb The number of notifications to send
	*/
	public void sendNotif(int nb, String userData) {
	new Thread(new SendJob(nb, userData)).start();
	}

	private class SendJob implements Runnable {
	public SendJob(int nb, String userData) {
	this.nb = nb;
	this.userData = userData;
	}

	public void run() {
	if (userData != null) {
	System.out.println(">>> ("+userData+") sending "+nb);
	}
	for (int i = 0; i<nb; i++) {
	Notification notif = new Notification(myType, emitter,
	sequenceNumber++);
	notif.setUserData(userData);
	sendNotification(notif);
	Thread.yield();
	try {
	Thread.sleep(1);
	} catch (Exception e) {}
	}
	if (userData != null) {
	System.out.println(">>> ("+userData+") sending done");
	}
	}
	private int nb;
	private String userData;
	}
	private final String myType = "notification.my_notification";
	}

	public interface NotificationEmitterMBean {
	public void sendNotif(int nb, String userData);
	}

	private static void newConn() throws IOException {
	conn = JMXConnectorFactory.connect(url);
	}

	private static EventClient newEventClient(String type) throws Exception {
	EventClientDelegateMBean proxy =
	EventClientDelegate.getProxy(conn.getMBeanServerConnection());
	if (type.equals("PushEventRelay")) {
	return new EventClient(proxy,
	new RMIPushEventRelay(proxy), sharedExecutor, null, 600);
	} else if (type.equals("FetchingEventRelay")) {
	return new EventClient(proxy,
	new FetchingEventRelay(proxy,
	FetchingEventRelay.DEFAULT_BUFFER_SIZE,
	10,
	FetchingEventRelay.DEFAULT_MAX_NOTIFICATIONS,
	sharedExecutor),
	null, null, 600);
	} else {
	throw new RuntimeException("Wrong event client type: "+type);
	}
	}

	private static String getId() {
	synchronized(SharingThreadTest.class) {
	return String.valueOf(counter++);
	}
	}
	}