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/*
* Copyright (c) 2005, 2015, 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.
*/
/*
* @test
* @bug 6222826
* @summary Test that each thread in the thread pool runs
* in the context of the monitor.start() caller.
* @author Luis-Miguel Alventosa
*
* @run clean ThreadPoolAccTest
* @run build ThreadPoolAccTest
* @run main ThreadPoolAccTest
*/
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.Date;
import java.util.Set;
import javax.management.MBeanServer;
import javax.management.MBeanServerFactory;
import javax.management.ObjectName;
import javax.management.monitor.CounterMonitor;
import javax.management.monitor.GaugeMonitor;
import javax.management.monitor.Monitor;
import javax.management.monitor.StringMonitor;
import javax.management.remote.JMXPrincipal;
import javax.security.auth.Subject;
public class ThreadPoolAccTest {
// MBean class
public static class ObservedObject implements ObservedObjectMBean {
public volatile String principal;
public Integer getInteger() {
setPrincipal();
return 0;
}
public Double getDouble() {
setPrincipal();
return 0.0;
}
public String getString() {
setPrincipal();
return "";
}
private void setPrincipal() {
Subject subject = Subject.getSubject(AccessController.getContext());
Set<JMXPrincipal> principals = subject.getPrincipals(JMXPrincipal.class);
principal = principals.iterator().next().getName();
}
}
// MBean interface
public interface ObservedObjectMBean {
public Integer getInteger();
public Double getDouble();
public String getString();
}
public static void main (String args[]) throws Exception {
ObjectName[] mbeanNames = new ObjectName[6];
ObservedObject[] monitored = new ObservedObject[6];
ObjectName[] monitorNames = new ObjectName[6];
Monitor[] monitor = new Monitor[6];
String[] principals = { "role1", "role2" };
String[] attributes = { "Integer", "Double", "String" };
try {
echo(">>> CREATE MBeanServer");
MBeanServer server = MBeanServerFactory.newMBeanServer();
for (int i = 0; i < 6; i++) {
mbeanNames[i] =
new ObjectName(":type=ObservedObject,instance=" + i);
monitored[i] = new ObservedObject();
echo(">>> CREATE ObservedObject = " + mbeanNames[i].toString());
server.registerMBean(monitored[i], mbeanNames[i]);
switch (i) {
case 0:
case 3:
monitorNames[i] =
new ObjectName(":type=CounterMonitor,instance=" + i);
monitor[i] = new CounterMonitor();
break;
case 1:
case 4:
monitorNames[i] =
new ObjectName(":type=GaugeMonitor,instance=" + i);
monitor[i] = new GaugeMonitor();
break;
case 2:
case 5:
monitorNames[i] =
new ObjectName(":type=StringMonitor,instance=" + i);
monitor[i] = new StringMonitor();
break;
}
echo(">>> CREATE Monitor = " + monitorNames[i].toString());
server.registerMBean(monitor[i], monitorNames[i]);
monitor[i].addObservedObject(mbeanNames[i]);
monitor[i].setObservedAttribute(attributes[i % 3]);
monitor[i].setGranularityPeriod(500);
final Monitor m = monitor[i];
Subject subject = new Subject();
echo(">>> RUN Principal = " + principals[i / 3]);
subject.getPrincipals().add(new JMXPrincipal(principals[i / 3]));
PrivilegedAction<Void> action = new PrivilegedAction<Void>() {
public Void run() {
m.start();
return null;
}
};
Subject.doAs(subject, action);
}
while(!testPrincipals(monitored, monitorNames, monitor, principals));
} finally {
for (int i = 0; i < 6; i++)
if (monitor[i] != null)
monitor[i].stop();
}
}
private static boolean testPrincipals(ObservedObject[] monitored, ObjectName[] monitorNames,
Monitor[] monitor, String[] principals) throws Exception {
for (int i = 0; i < 6; i++) {
String principal = monitored[i].principal;
String expected = principals[i / 3];
if (principal == null) {
echo("Task not submitted " + new Date() + ". RETRY");
return false;
}
echo(">>> Monitor = " + monitorNames[i]);
echo(">>> ObservedObject = " + monitor[i].getObservedObject());
echo(">>> ObservedAttribute = " + monitor[i].getObservedAttribute());
echo(">>> Principal = " + principal);
if (expected.equals(principal)) {
echo("\tOK: Got Expected principal");
} else {
throw new Exception("Unexpected principal. Got: " + principal + " Expected: " + expected);
}
}
return true;
}
private static void echo(String message) {
System.out.println(message);
}
}
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