下面列出了怎么用javax.management.monitor.CounterMonitor的API类实例代码及写法，或者点击链接到github查看源代码。
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();
}
}
/**
* Run test
*/
public int runTest(int monitorType) throws Exception {
int nTasks = maxPoolSize + 2;
ObjectName[] mbeanNames = new ObjectName[nTasks];
ObservedObject[] monitored = new ObservedObject[nTasks];
ObjectName[] monitorNames = new ObjectName[nTasks];
Monitor[] monitor = new Monitor[nTasks];
String[] attributes = { "Integer", "Double", "String" };
try {
echo(">>> CREATE MBeanServer");
MBeanServer server = MBeanServerFactory.newMBeanServer();
String domain = server.getDefaultDomain();
for (int i = 0; i < nTasks; i++) {
mbeanNames[i] =
new ObjectName(":type=ObservedObject,instance=" + (i + 1));
monitored[i] = new ObservedObject();
echo(">>> CREATE ObservedObject = " + mbeanNames[i].toString());
server.registerMBean(monitored[i], mbeanNames[i]);
switch (monitorType) {
case 1:
monitorNames[i] = new ObjectName(":type=CounterMonitor," +
"instance=" + (i + 1));
monitor[i] = new CounterMonitor();
break;
case 2:
monitorNames[i] = new ObjectName(":type=GaugeMonitor," +
"instance=" + (i + 1));
monitor[i] = new GaugeMonitor();
break;
case 3:
monitorNames[i] = new ObjectName(":type=StringMonitor," +
"instance=" + (i + 1));
monitor[i] = new StringMonitor();
break;
default:
echo("Unsupported monitor type");
return 1;
}
echo(">>> CREATE Monitor = " + monitorNames[i].toString());
server.registerMBean(monitor[i], monitorNames[i]);
monitor[i].addObservedObject(mbeanNames[i]);
monitor[i].setObservedAttribute(attributes[monitorType-1]);
monitor[i].setGranularityPeriod(50);
}
for (int j = 0; j < 2; j++) {
echo(">>> Start MONITORS");
for (int i = 0; i < nTasks; i++)
monitor[i].start();
echo(">>> MONITORS started");
doSleep(500);
echo(">>> Check FLAGS true");
for (int i = 0; i < nTasks; i++)
if (!monitored[i].called) {
echo("KO: At least one attribute was not called");
return 1;
}
echo(">>> FLAGS checked true");
echo(">>> Stop MONITORS");
for (int i = 0; i < nTasks; i++)
monitor[i].stop();
echo(">>> MONITORS stopped");
doSleep(500);
echo(">>> Set FLAGS to false");
for (int i = 0; i < nTasks; i++)
monitored[i].called = false;
echo(">>> FLAGS set to false");
echo(">>> Check FLAGS remain false");
for (int i = 0; i < nTasks; i++)
if (monitored[i].called) {
echo("KO: At least one attribute " +
"continued to get called");
return 1;
}
echo(">>> FLAGS checked false");
}
} finally {
for (int i = 0; i < nTasks; i++)
if (monitor[i] != null)
monitor[i].stop();
}
return 0;
}
/**
* Update the counter and check for notifications
*/
public int counterMonitorNotification() throws Exception {
CounterMonitor counterMonitor = new CounterMonitor();
try {
// Create a new CounterMonitor MBean and add it to the MBeanServer.
//
echo(">>> CREATE a new CounterMonitor MBean");
ObjectName counterMonitorName = new ObjectName(
domain + ":type=" + CounterMonitor.class.getName());
server.registerMBean(counterMonitor, counterMonitorName);
echo(">>> ADD a listener to the CounterMonitor");
counterMonitor.addNotificationListener(this, null, null);
//
// MANAGEMENT OF A STANDARD MBEAN
//
echo(">>> SET the attributes of the CounterMonitor:");
counterMonitor.addObservedObject(obsObjName);
echo("\tATTRIBUTE \"ObservedObject\" = " + obsObjName);
counterMonitor.setObservedAttribute("IntegerAttribute");
echo("\tATTRIBUTE \"ObservedAttribute\" = IntegerAttribute");
counterMonitor.setNotify(false);
echo("\tATTRIBUTE \"NotifyFlag\" = false");
Integer threshold = 2;
counterMonitor.setInitThreshold(threshold);
echo("\tATTRIBUTE \"Threshold\" = " + threshold);
int granularityperiod = 500;
counterMonitor.setGranularityPeriod(granularityperiod);
echo("\tATTRIBUTE \"GranularityPeriod\" = " + granularityperiod);
echo(">>> START the CounterMonitor");
counterMonitor.start();
// Check if notification was received
//
doWait();
if (messageReceived) {
echo("\tOK: CounterMonitor got RUNTIME_ERROR notification!");
} else {
echo("\tKO: CounterMonitor did not get " +
"RUNTIME_ERROR notification!");
return 1;
}
} finally {
messageReceived = false;
if (counterMonitor != null)
counterMonitor.stop();
}
return 0;
}
void run() throws Exception {
final MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
final ObjectName observedName = new ObjectName("a:b=c");
final ObjectName monitorName = new ObjectName("a:type=Monitor");
mbs.registerMBean(new CounterMonitor(), monitorName);
final CounterMonitorMBean monitorProxy =
JMX.newMBeanProxy(mbs, monitorName, CounterMonitorMBean.class);
final TestMBean observedProxy =
JMX.newMBeanProxy(mbs, observedName, TestMBean.class);
final Runnable sensitiveThing = new Runnable() {
public void run() {
doSensitiveThing(monitorProxy, observedName);
}
};
final Runnable nothing = new Runnable() {
public void run() {}
};
final Runnable withinGetAttribute =
(when == When.IN_GET_ATTRIBUTE) ? sensitiveThing : nothing;
mbs.registerMBean(new Test(withinGetAttribute), observedName);
monitorProxy.addObservedObject(observedName);
monitorProxy.setObservedAttribute("Thing");
monitorProxy.setInitThreshold(100);
monitorProxy.setGranularityPeriod(10L); // 10 ms
monitorProxy.setNotify(true);
final int initGetCount = observedProxy.getGetCount();
monitorProxy.start();
System.out.println("Checking GetCount, possible deadlock if timeout.");
do { // 8038322. Until timeout of testing harness
Thread.sleep(200);
} while ((observedProxy.getGetCount()) == initGetCount);
System.out.println("Done!");
// This won't show up as a deadlock in CTRL-\ or in
// ThreadMXBean.findDeadlockedThreads(), because they don't
// see that thread A is waiting for thread B (B.join()), and
// thread B is waiting for a lock held by thread A
// Now we know the monitor has observed the initial value,
// so if we want to test notify behaviour we can trigger by
// exceeding the threshold.
if (when == When.IN_NOTIFY) {
final AtomicInteger notifCount = new AtomicInteger();
final NotificationListener listener = new NotificationListener() {
public void handleNotification(Notification n, Object h) {
Thread t = new Thread(sensitiveThing);
t.start();
try {
t.join();
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
notifCount.incrementAndGet();
}
};
mbs.addNotificationListener(monitorName, listener, null, null);
observedProxy.setThing(1000);
System.out.println("Waiting notifCount.get() != 0, possible deadlock if timeout.");
do {
Thread.sleep(200);
} while(notifCount.get() == 0); // 8038322. Until timeout of testing harness
System.out.println("Done");
}
}
/**
* Update the counter and check for notifications
*/
public int counterMonitorNotification() throws Exception {
CounterMonitor counterMonitor = new CounterMonitor();
try {
// Create a new CounterMonitor MBean and add it to the MBeanServer.
//
echo(">>> CREATE a new CounterMonitor MBean");
ObjectName counterMonitorName = new ObjectName(
domain + ":type=" + CounterMonitor.class.getName());
server.registerMBean(counterMonitor, counterMonitorName);
echo(">>> ADD a listener to the CounterMonitor");
counterMonitor.addNotificationListener(this, null, null);
//
// MANAGEMENT OF A STANDARD MBEAN
//
echo(">>> SET the attributes of the CounterMonitor:");
counterMonitor.addObservedObject(obsObjName);
echo("\tATTRIBUTE \"ObservedObject\" = " + obsObjName);
counterMonitor.setObservedAttribute("IntegerAttribute");
echo("\tATTRIBUTE \"ObservedAttribute\" = IntegerAttribute");
counterMonitor.setNotify(false);
echo("\tATTRIBUTE \"NotifyFlag\" = false");
Integer threshold = 2;
counterMonitor.setInitThreshold(threshold);
echo("\tATTRIBUTE \"Threshold\" = " + threshold);
int granularityperiod = 500;
counterMonitor.setGranularityPeriod(granularityperiod);
echo("\tATTRIBUTE \"GranularityPeriod\" = " + granularityperiod);
echo(">>> START the CounterMonitor");
counterMonitor.start();
// Check if notification was received
//
doWait();
if (messageReceived) {
echo("\tOK: CounterMonitor got RUNTIME_ERROR notification!");
} else {
echo("\tKO: CounterMonitor did not get " +
"RUNTIME_ERROR notification!");
return 1;
}
} finally {
messageReceived = false;
if (counterMonitor != null)
counterMonitor.stop();
}
return 0;
}
public static void runTest(int offset,
int counter[],
int derivedGauge[],
int threshold[]) throws Exception {
// Retrieve the platform MBean server
//
System.out.println("\nRetrieve the platform MBean server");
MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
String domain = mbs.getDefaultDomain();
// Create and register TestMBean
//
ObjectName name =
new ObjectName(domain +
":type=" + Test.class.getName() +
",offset=" + offset);
mbs.createMBean(Test.class.getName(), name);
TestMBean mbean = (TestMBean)
MBeanServerInvocationHandler.newProxyInstance(
mbs, name, TestMBean.class, false);
// Create and register CounterMonitorMBean
//
ObjectName cmn =
new ObjectName(domain +
":type=" + CounterMonitor.class.getName() +
",offset=" + offset);
CounterMonitor m = new CounterMonitor();
mbs.registerMBean(m, cmn);
CounterMonitorMBean cm = (CounterMonitorMBean)
MBeanServerInvocationHandler.newProxyInstance(
mbs, cmn, CounterMonitorMBean.class, true);
((NotificationEmitter) cm).addNotificationListener(
new Listener(), null, null);
cm.addObservedObject(name);
cm.setObservedAttribute("Counter");
cm.setGranularityPeriod(100);
cm.setInitThreshold(1);
cm.setOffset(offset);
cm.setModulus(5);
cm.setNotify(true);
// Start the monitor
//
System.out.println("\nStart monitoring...");
cm.start();
// Play with counter
//
for (int i = 0; i < counter.length; i++) {
mbean.setCounter(counter[i]);
System.out.println("\nCounter = " + mbean.getCounter());
Integer derivedGaugeValue;
// either pass or test timeout (killed by test harness)
// see 8025207
do {
Thread.sleep(150);
derivedGaugeValue = (Integer) cm.getDerivedGauge(name);
} while (derivedGaugeValue.intValue() != derivedGauge[i]);
Number thresholdValue = cm.getThreshold(name);
System.out.println("Threshold = " + thresholdValue);
if (thresholdValue.intValue() != threshold[i]) {
System.out.println("Wrong threshold! Current value = " +
thresholdValue + " Expected value = " + threshold[i]);
System.out.println("\nStop monitoring...");
cm.stop();
throw new IllegalArgumentException("wrong threshold");
}
}
// Stop the monitor
//
System.out.println("\nStop monitoring...");
cm.stop();
}
void run() throws Exception {
final MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
final ObjectName observedName = new ObjectName("a:b=c");
final ObjectName monitorName = new ObjectName("a:type=Monitor");
mbs.registerMBean(new CounterMonitor(), monitorName);
final CounterMonitorMBean monitorProxy =
JMX.newMBeanProxy(mbs, monitorName, CounterMonitorMBean.class);
final TestMBean observedProxy =
JMX.newMBeanProxy(mbs, observedName, TestMBean.class);
final Runnable sensitiveThing = new Runnable() {
public void run() {
doSensitiveThing(monitorProxy, observedName);
}
};
final Runnable nothing = new Runnable() {
public void run() {}
};
final Runnable withinGetAttribute =
(when == When.IN_GET_ATTRIBUTE) ? sensitiveThing : nothing;
mbs.registerMBean(new Test(withinGetAttribute), observedName);
monitorProxy.addObservedObject(observedName);
monitorProxy.setObservedAttribute("Thing");
monitorProxy.setInitThreshold(100);
monitorProxy.setGranularityPeriod(10L); // 10 ms
monitorProxy.setNotify(true);
final int initGetCount = observedProxy.getGetCount();
monitorProxy.start();
System.out.println("Checking GetCount, possible deadlock if timeout.");
do { // 8038322. Until timeout of testing harness
Thread.sleep(200);
} while ((observedProxy.getGetCount()) == initGetCount);
System.out.println("Done!");
// This won't show up as a deadlock in CTRL-\ or in
// ThreadMXBean.findDeadlockedThreads(), because they don't
// see that thread A is waiting for thread B (B.join()), and
// thread B is waiting for a lock held by thread A
// Now we know the monitor has observed the initial value,
// so if we want to test notify behaviour we can trigger by
// exceeding the threshold.
if (when == When.IN_NOTIFY) {
final AtomicInteger notifCount = new AtomicInteger();
final NotificationListener listener = new NotificationListener() {
public void handleNotification(Notification n, Object h) {
Thread t = new Thread(sensitiveThing);
t.start();
try {
t.join();
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
notifCount.incrementAndGet();
}
};
mbs.addNotificationListener(monitorName, listener, null, null);
observedProxy.setThing(1000);
System.out.println("Waiting notifCount.get() != 0, possible deadlock if timeout.");
do {
Thread.sleep(200);
} while(notifCount.get() == 0); // 8038322. Until timeout of testing harness
System.out.println("Done");
}
}
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();
}
}
/**
* Run test
*/
public int runTest(int monitorType) throws Exception {
ObjectName[] mbeanNames = new ObjectName[nTasks];
ObservedObject[] monitored = new ObservedObject[nTasks];
ObjectName[] monitorNames = new ObjectName[nTasks];
Monitor[] monitor = new Monitor[nTasks];
String[] attributes = { "Integer", "Double", "String" };
try {
echo(">>> CREATE MBeanServer");
MBeanServer server = MBeanServerFactory.newMBeanServer();
String domain = server.getDefaultDomain();
for (int i = 0; i < nTasks; i++) {
mbeanNames[i] =
new ObjectName(":type=ObservedObject,instance=" + (i + 1));
monitored[i] = new ObservedObject();
echo(">>> CREATE ObservedObject = " + mbeanNames[i].toString());
server.registerMBean(monitored[i], mbeanNames[i]);
switch (monitorType) {
case 1:
monitorNames[i] = new ObjectName(":type=CounterMonitor," +
"instance=" + (i + 1));
monitor[i] = new CounterMonitor();
break;
case 2:
monitorNames[i] = new ObjectName(":type=GaugeMonitor," +
"instance=" + (i + 1));
monitor[i] = new GaugeMonitor();
break;
case 3:
monitorNames[i] = new ObjectName(":type=StringMonitor," +
"instance=" + (i + 1));
monitor[i] = new StringMonitor();
break;
default:
echo("Unsupported monitor type");
return 1;
}
echo(">>> CREATE Monitor = " + monitorNames[i].toString());
server.registerMBean(monitor[i], monitorNames[i]);
monitor[i].addObservedObject(mbeanNames[i]);
monitor[i].setObservedAttribute(attributes[monitorType-1]);
monitor[i].setGranularityPeriod(50);
monitor[i].start();
}
if (!waiter.waiting(MAX_WAITING_TIME)) {
echo("Error, not all "+nTasks+" monitor tasks are called after "
+MAX_WAITING_TIME);
return 1;
}
} finally {
for (int i = 0; i < nTasks; i++)
if (monitor[i] != null)
monitor[i].stop();
}
echo("All "+nTasks+" monitors are called.");
return 0;
}
/**
* Update the counter and check for notifications
*/
public int counterMonitorNotification() throws Exception {
CounterMonitor counterMonitor = new CounterMonitor();
try {
// Create a new CounterMonitor MBean and add it to the MBeanServer.
//
echo(">>> CREATE a new CounterMonitor MBean");
ObjectName counterMonitorName = new ObjectName(
domain + ":type=" + CounterMonitor.class.getName());
server.registerMBean(counterMonitor, counterMonitorName);
echo(">>> ADD a listener to the CounterMonitor");
counterMonitor.addNotificationListener(this, null, null);
//
// MANAGEMENT OF A STANDARD MBEAN
//
echo(">>> SET the attributes of the CounterMonitor:");
counterMonitor.addObservedObject(obsObjName);
echo("\tATTRIBUTE \"ObservedObject\" = " + obsObjName);
counterMonitor.setObservedAttribute("IntegerAttribute");
echo("\tATTRIBUTE \"ObservedAttribute\" = IntegerAttribute");
counterMonitor.setNotify(false);
echo("\tATTRIBUTE \"NotifyFlag\" = false");
Integer threshold = 2;
counterMonitor.setInitThreshold(threshold);
echo("\tATTRIBUTE \"Threshold\" = " + threshold);
int granularityperiod = 500;
counterMonitor.setGranularityPeriod(granularityperiod);
echo("\tATTRIBUTE \"GranularityPeriod\" = " + granularityperiod);
echo(">>> START the CounterMonitor");
counterMonitor.start();
// Check if notification was received
//
doWait();
if (messageReceived) {
echo("\tOK: CounterMonitor got RUNTIME_ERROR notification!");
} else {
echo("\tKO: CounterMonitor did not get " +
"RUNTIME_ERROR notification!");
return 1;
}
} finally {
messageReceived = false;
if (counterMonitor != null)
counterMonitor.stop();
}
return 0;
}
/**
* Run test
*/
public int runTest(int monitorType) throws Exception {
ObjectName[] mbeanNames = new ObjectName[nTasks];
ObservedObject[] monitored = new ObservedObject[nTasks];
ObjectName[] monitorNames = new ObjectName[nTasks];
Monitor[] monitor = new Monitor[nTasks];
String[] attributes = { "Integer", "Double", "String" };
try {
echo(">>> CREATE MBeanServer");
MBeanServer server = MBeanServerFactory.newMBeanServer();
String domain = server.getDefaultDomain();
for (int i = 0; i < nTasks; i++) {
mbeanNames[i] =
new ObjectName(":type=ObservedObject,instance=" + (i + 1));
monitored[i] = new ObservedObject();
echo(">>> CREATE ObservedObject = " + mbeanNames[i].toString());
server.registerMBean(monitored[i], mbeanNames[i]);
switch (monitorType) {
case 1:
monitorNames[i] = new ObjectName(":type=CounterMonitor," +
"instance=" + (i + 1));
monitor[i] = new CounterMonitor();
break;
case 2:
monitorNames[i] = new ObjectName(":type=GaugeMonitor," +
"instance=" + (i + 1));
monitor[i] = new GaugeMonitor();
break;
case 3:
monitorNames[i] = new ObjectName(":type=StringMonitor," +
"instance=" + (i + 1));
monitor[i] = new StringMonitor();
break;
default:
echo("Unsupported monitor type");
return 1;
}
echo(">>> CREATE Monitor = " + monitorNames[i].toString());
server.registerMBean(monitor[i], monitorNames[i]);
monitor[i].addObservedObject(mbeanNames[i]);
monitor[i].setObservedAttribute(attributes[monitorType-1]);
monitor[i].setGranularityPeriod(50);
monitor[i].start();
}
if (!waiter.waiting(MAX_WAITING_TIME)) {
echo("Error, not all "+nTasks+" monitor tasks are called after "
+MAX_WAITING_TIME);
return 1;
}
} finally {
for (int i = 0; i < nTasks; i++)
if (monitor[i] != null)
monitor[i].stop();
}
echo("All "+nTasks+" monitors are called.");
return 0;
}
/**
* Update the counter and check for notifications
*/
public int counterMonitorNotification() throws Exception {
CounterMonitor counterMonitor = new CounterMonitor();
try {
// Create a new CounterMonitor MBean and add it to the MBeanServer.
//
echo(">>> CREATE a new CounterMonitor MBean");
ObjectName counterMonitorName = new ObjectName(
domain + ":type=" + CounterMonitor.class.getName());
server.registerMBean(counterMonitor, counterMonitorName);
echo(">>> ADD a listener to the CounterMonitor");
counterMonitor.addNotificationListener(this, null, null);
//
// MANAGEMENT OF A STANDARD MBEAN
//
echo(">>> SET the attributes of the CounterMonitor:");
counterMonitor.addObservedObject(obsObjName);
echo("\tATTRIBUTE \"ObservedObject\" = " + obsObjName);
counterMonitor.setObservedAttribute("IntegerAttribute");
echo("\tATTRIBUTE \"ObservedAttribute\" = IntegerAttribute");
counterMonitor.setNotify(false);
echo("\tATTRIBUTE \"NotifyFlag\" = false");
Integer threshold = 2;
counterMonitor.setInitThreshold(threshold);
echo("\tATTRIBUTE \"Threshold\" = " + threshold);
int granularityperiod = 500;
counterMonitor.setGranularityPeriod(granularityperiod);
echo("\tATTRIBUTE \"GranularityPeriod\" = " + granularityperiod);
echo(">>> START the CounterMonitor");
counterMonitor.start();
// Check if notification was received
//
doWait();
if (messageReceived) {
echo("\tOK: CounterMonitor got RUNTIME_ERROR notification!");
} else {
echo("\tKO: CounterMonitor did not get " +
"RUNTIME_ERROR notification!");
return 1;
}
} finally {
messageReceived = false;
if (counterMonitor != null)
counterMonitor.stop();
}
return 0;
}
public static void runTest(int offset,
int counter[],
int derivedGauge[],
int threshold[]) throws Exception {
// Retrieve the platform MBean server
//
System.out.println("\nRetrieve the platform MBean server");
MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
String domain = mbs.getDefaultDomain();
// Create and register TestMBean
//
ObjectName name =
new ObjectName(domain +
":type=" + Test.class.getName() +
",offset=" + offset);
mbs.createMBean(Test.class.getName(), name);
TestMBean mbean = (TestMBean)
MBeanServerInvocationHandler.newProxyInstance(
mbs, name, TestMBean.class, false);
// Create and register CounterMonitorMBean
//
ObjectName cmn =
new ObjectName(domain +
":type=" + CounterMonitor.class.getName() +
",offset=" + offset);
CounterMonitor m = new CounterMonitor();
mbs.registerMBean(m, cmn);
CounterMonitorMBean cm = (CounterMonitorMBean)
MBeanServerInvocationHandler.newProxyInstance(
mbs, cmn, CounterMonitorMBean.class, true);
((NotificationEmitter) cm).addNotificationListener(
new Listener(), null, null);
cm.addObservedObject(name);
cm.setObservedAttribute("Counter");
cm.setGranularityPeriod(100);
cm.setInitThreshold(1);
cm.setOffset(offset);
cm.setModulus(5);
cm.setNotify(true);
// Start the monitor
//
System.out.println("\nStart monitoring...");
cm.start();
// Play with counter
//
for (int i = 0; i < counter.length; i++) {
mbean.setCounter(counter[i]);
System.out.println("\nCounter = " + mbean.getCounter());
Integer derivedGaugeValue;
// either pass or test timeout (killed by test harness)
// see 8025207
do {
Thread.sleep(150);
derivedGaugeValue = (Integer) cm.getDerivedGauge(name);
} while (derivedGaugeValue.intValue() != derivedGauge[i]);
Number thresholdValue = cm.getThreshold(name);
System.out.println("Threshold = " + thresholdValue);
if (thresholdValue.intValue() != threshold[i]) {
System.out.println("Wrong threshold! Current value = " +
thresholdValue + " Expected value = " + threshold[i]);
System.out.println("\nStop monitoring...");
cm.stop();
throw new IllegalArgumentException("wrong threshold");
}
}
// Stop the monitor
//
System.out.println("\nStop monitoring...");
cm.stop();
}
void run() throws Exception {
final MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
final ObjectName observedName = new ObjectName("a:b=c");
final ObjectName monitorName = new ObjectName("a:type=Monitor");
mbs.registerMBean(new CounterMonitor(), monitorName);
final CounterMonitorMBean monitorProxy =
JMX.newMBeanProxy(mbs, monitorName, CounterMonitorMBean.class);
final TestMBean observedProxy =
JMX.newMBeanProxy(mbs, observedName, TestMBean.class);
final Runnable sensitiveThing = new Runnable() {
public void run() {
doSensitiveThing(monitorProxy, observedName);
}
};
final Runnable nothing = new Runnable() {
public void run() {}
};
final Runnable withinGetAttribute =
(when == When.IN_GET_ATTRIBUTE) ? sensitiveThing : nothing;
mbs.registerMBean(new Test(withinGetAttribute), observedName);
monitorProxy.addObservedObject(observedName);
monitorProxy.setObservedAttribute("Thing");
monitorProxy.setInitThreshold(100);
monitorProxy.setGranularityPeriod(10L); // 10 ms
monitorProxy.setNotify(true);
final int initGetCount = observedProxy.getGetCount();
monitorProxy.start();
System.out.println("Checking GetCount, possible deadlock if timeout.");
do { // 8038322. Until timeout of testing harness
Thread.sleep(200);
} while ((observedProxy.getGetCount()) == initGetCount);
System.out.println("Done!");
// This won't show up as a deadlock in CTRL-\ or in
// ThreadMXBean.findDeadlockedThreads(), because they don't
// see that thread A is waiting for thread B (B.join()), and
// thread B is waiting for a lock held by thread A
// Now we know the monitor has observed the initial value,
// so if we want to test notify behaviour we can trigger by
// exceeding the threshold.
if (when == When.IN_NOTIFY) {
final AtomicInteger notifCount = new AtomicInteger();
final NotificationListener listener = new NotificationListener() {
public void handleNotification(Notification n, Object h) {
Thread t = new Thread(sensitiveThing);
t.start();
try {
t.join();
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
notifCount.incrementAndGet();
}
};
mbs.addNotificationListener(monitorName, listener, null, null);
observedProxy.setThing(1000);
System.out.println("Waiting notifCount.get() != 0, possible deadlock if timeout.");
do {
Thread.sleep(200);
} while(notifCount.get() == 0); // 8038322. Until timeout of testing harness
System.out.println("Done");
}
}
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();
}
}
/**
* Run test
*/
public int runTest(int monitorType) throws Exception {
int nTasks = maxPoolSize + 2;
ObjectName[] mbeanNames = new ObjectName[nTasks];
ObservedObject[] monitored = new ObservedObject[nTasks];
ObjectName[] monitorNames = new ObjectName[nTasks];
Monitor[] monitor = new Monitor[nTasks];
String[] attributes = { "Integer", "Double", "String" };
try {
echo(">>> CREATE MBeanServer");
MBeanServer server = MBeanServerFactory.newMBeanServer();
String domain = server.getDefaultDomain();
for (int i = 0; i < nTasks; i++) {
mbeanNames[i] =
new ObjectName(":type=ObservedObject,instance=" + (i + 1));
monitored[i] = new ObservedObject();
echo(">>> CREATE ObservedObject = " + mbeanNames[i].toString());
server.registerMBean(monitored[i], mbeanNames[i]);
switch (monitorType) {
case 1:
monitorNames[i] = new ObjectName(":type=CounterMonitor," +
"instance=" + (i + 1));
monitor[i] = new CounterMonitor();
break;
case 2:
monitorNames[i] = new ObjectName(":type=GaugeMonitor," +
"instance=" + (i + 1));
monitor[i] = new GaugeMonitor();
break;
case 3:
monitorNames[i] = new ObjectName(":type=StringMonitor," +
"instance=" + (i + 1));
monitor[i] = new StringMonitor();
break;
default:
echo("Unsupported monitor type");
return 1;
}
echo(">>> CREATE Monitor = " + monitorNames[i].toString());
server.registerMBean(monitor[i], monitorNames[i]);
monitor[i].addObservedObject(mbeanNames[i]);
monitor[i].setObservedAttribute(attributes[monitorType-1]);
monitor[i].setGranularityPeriod(50);
}
for (int j = 0; j < 2; j++) {
echo(">>> Start MONITORS");
for (int i = 0; i < nTasks; i++)
monitor[i].start();
echo(">>> MONITORS started");
doSleep(500);
echo(">>> Check FLAGS true");
for (int i = 0; i < nTasks; i++)
if (!monitored[i].called) {
echo("KO: At least one attribute was not called");
return 1;
}
echo(">>> FLAGS checked true");
echo(">>> Stop MONITORS");
for (int i = 0; i < nTasks; i++)
monitor[i].stop();
echo(">>> MONITORS stopped");
doSleep(500);
echo(">>> Set FLAGS to false");
for (int i = 0; i < nTasks; i++)
monitored[i].called = false;
echo(">>> FLAGS set to false");
echo(">>> Check FLAGS remain false");
for (int i = 0; i < nTasks; i++)
if (monitored[i].called) {
echo("KO: At least one attribute " +
"continued to get called");
return 1;
}
echo(">>> FLAGS checked false");
}
} finally {
for (int i = 0; i < nTasks; i++)
if (monitor[i] != null)
monitor[i].stop();
}
return 0;
}
/**
* Update the counter and check for notifications
*/
public int counterMonitorNotification() throws Exception {
CounterMonitor counterMonitor = new CounterMonitor();
try {
// Create a new CounterMonitor MBean and add it to the MBeanServer.
//
echo(">>> CREATE a new CounterMonitor MBean");
ObjectName counterMonitorName = new ObjectName(
domain + ":type=" + CounterMonitor.class.getName());
server.registerMBean(counterMonitor, counterMonitorName);
echo(">>> ADD a listener to the CounterMonitor");
counterMonitor.addNotificationListener(this, null, null);
//
// MANAGEMENT OF A STANDARD MBEAN
//
echo(">>> SET the attributes of the CounterMonitor:");
counterMonitor.addObservedObject(obsObjName);
echo("\tATTRIBUTE \"ObservedObject\" = " + obsObjName);
counterMonitor.setObservedAttribute("IntegerAttribute");
echo("\tATTRIBUTE \"ObservedAttribute\" = IntegerAttribute");
counterMonitor.setNotify(false);
echo("\tATTRIBUTE \"NotifyFlag\" = false");
Integer threshold = 2;
counterMonitor.setInitThreshold(threshold);
echo("\tATTRIBUTE \"Threshold\" = " + threshold);
int granularityperiod = 500;
counterMonitor.setGranularityPeriod(granularityperiod);
echo("\tATTRIBUTE \"GranularityPeriod\" = " + granularityperiod);
echo(">>> START the CounterMonitor");
counterMonitor.start();
// Check if notification was received
//
doWait();
if (messageReceived) {
echo("\tOK: CounterMonitor got RUNTIME_ERROR notification!");
} else {
echo("\tKO: CounterMonitor did not get " +
"RUNTIME_ERROR notification!");
return 1;
}
} finally {
messageReceived = false;
if (counterMonitor != null)
counterMonitor.stop();
}
return 0;
}
/**
* Run test
*/
public int runTest(int monitorType) throws Exception {
ObjectName[] mbeanNames = new ObjectName[nTasks];
ObservedObject[] monitored = new ObservedObject[nTasks];
ObjectName[] monitorNames = new ObjectName[nTasks];
Monitor[] monitor = new Monitor[nTasks];
String[] attributes = { "Integer", "Double", "String" };
try {
echo(">>> CREATE MBeanServer");
MBeanServer server = MBeanServerFactory.newMBeanServer();
String domain = server.getDefaultDomain();
for (int i = 0; i < nTasks; i++) {
mbeanNames[i] =
new ObjectName(":type=ObservedObject,instance=" + (i + 1));
monitored[i] = new ObservedObject();
echo(">>> CREATE ObservedObject = " + mbeanNames[i].toString());
server.registerMBean(monitored[i], mbeanNames[i]);
switch (monitorType) {
case 1:
monitorNames[i] = new ObjectName(":type=CounterMonitor," +
"instance=" + (i + 1));
monitor[i] = new CounterMonitor();
break;
case 2:
monitorNames[i] = new ObjectName(":type=GaugeMonitor," +
"instance=" + (i + 1));
monitor[i] = new GaugeMonitor();
break;
case 3:
monitorNames[i] = new ObjectName(":type=StringMonitor," +
"instance=" + (i + 1));
monitor[i] = new StringMonitor();
break;
default:
echo("Unsupported monitor type");
return 1;
}
echo(">>> CREATE Monitor = " + monitorNames[i].toString());
server.registerMBean(monitor[i], monitorNames[i]);
monitor[i].addObservedObject(mbeanNames[i]);
monitor[i].setObservedAttribute(attributes[monitorType-1]);
monitor[i].setGranularityPeriod(50);
monitor[i].start();
}
if (!waiter.waiting(MAX_WAITING_TIME)) {
echo("Error, not all "+nTasks+" monitor tasks are called after "
+MAX_WAITING_TIME);
return 1;
}
} finally {
for (int i = 0; i < nTasks; i++)
if (monitor[i] != null)
monitor[i].stop();
}
echo("All "+nTasks+" monitors are called.");
return 0;
}
/**
* Update the counter and check for notifications
*/
public int counterMonitorNotification() throws Exception {
CounterMonitor counterMonitor = new CounterMonitor();
try {
// Create a new CounterMonitor MBean and add it to the MBeanServer.
//
echo(">>> CREATE a new CounterMonitor MBean");
ObjectName counterMonitorName = new ObjectName(
domain + ":type=" + CounterMonitor.class.getName());
server.registerMBean(counterMonitor, counterMonitorName);
echo(">>> ADD a listener to the CounterMonitor");
counterMonitor.addNotificationListener(this, null, null);
//
// MANAGEMENT OF A STANDARD MBEAN
//
echo(">>> SET the attributes of the CounterMonitor:");
counterMonitor.addObservedObject(obsObjName);
echo("\tATTRIBUTE \"ObservedObject\" = " + obsObjName);
counterMonitor.setObservedAttribute("IntegerAttribute");
echo("\tATTRIBUTE \"ObservedAttribute\" = IntegerAttribute");
counterMonitor.setNotify(false);
echo("\tATTRIBUTE \"NotifyFlag\" = false");
Integer threshold = 2;
counterMonitor.setInitThreshold(threshold);
echo("\tATTRIBUTE \"Threshold\" = " + threshold);
int granularityperiod = 500;
counterMonitor.setGranularityPeriod(granularityperiod);
echo("\tATTRIBUTE \"GranularityPeriod\" = " + granularityperiod);
echo(">>> START the CounterMonitor");
counterMonitor.start();
// Check if notification was received
//
doWait();
if (messageReceived) {
echo("\tOK: CounterMonitor got RUNTIME_ERROR notification!");
} else {
echo("\tKO: CounterMonitor did not get " +
"RUNTIME_ERROR notification!");
return 1;
}
} finally {
messageReceived = false;
if (counterMonitor != null)
counterMonitor.stop();
}
return 0;
}
public static void runTest(int offset,
int counter[],
int derivedGauge[],
int threshold[]) throws Exception {
// Retrieve the platform MBean server
//
System.out.println("\nRetrieve the platform MBean server");
MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
String domain = mbs.getDefaultDomain();
// Create and register TestMBean
//
ObjectName name =
new ObjectName(domain +
":type=" + Test.class.getName() +
",offset=" + offset);
mbs.createMBean(Test.class.getName(), name);
TestMBean mbean = (TestMBean)
MBeanServerInvocationHandler.newProxyInstance(
mbs, name, TestMBean.class, false);
// Create and register CounterMonitorMBean
//
ObjectName cmn =
new ObjectName(domain +
":type=" + CounterMonitor.class.getName() +
",offset=" + offset);
CounterMonitor m = new CounterMonitor();
mbs.registerMBean(m, cmn);
CounterMonitorMBean cm = (CounterMonitorMBean)
MBeanServerInvocationHandler.newProxyInstance(
mbs, cmn, CounterMonitorMBean.class, true);
((NotificationEmitter) cm).addNotificationListener(
new Listener(), null, null);
cm.addObservedObject(name);
cm.setObservedAttribute("Counter");
cm.setGranularityPeriod(100);
cm.setInitThreshold(1);
cm.setOffset(offset);
cm.setModulus(5);
cm.setNotify(true);
// Start the monitor
//
System.out.println("\nStart monitoring...");
cm.start();
// Play with counter
//
for (int i = 0; i < counter.length; i++) {
mbean.setCounter(counter[i]);
System.out.println("\nCounter = " + mbean.getCounter());
Integer derivedGaugeValue;
// either pass or test timeout (killed by test harness)
// see 8025207
do {
Thread.sleep(150);
derivedGaugeValue = (Integer) cm.getDerivedGauge(name);
} while (derivedGaugeValue.intValue() != derivedGauge[i]);
Number thresholdValue = cm.getThreshold(name);
System.out.println("Threshold = " + thresholdValue);
if (thresholdValue.intValue() != threshold[i]) {
System.out.println("Wrong threshold! Current value = " +
thresholdValue + " Expected value = " + threshold[i]);
System.out.println("\nStop monitoring...");
cm.stop();
throw new IllegalArgumentException("wrong threshold");
}
}
// Stop the monitor
//
System.out.println("\nStop monitoring...");
cm.stop();
}
void run() throws Exception {
final MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
final ObjectName observedName = new ObjectName("a:b=c");
final ObjectName monitorName = new ObjectName("a:type=Monitor");
mbs.registerMBean(new CounterMonitor(), monitorName);
final CounterMonitorMBean monitorProxy =
JMX.newMBeanProxy(mbs, monitorName, CounterMonitorMBean.class);
final TestMBean observedProxy =
JMX.newMBeanProxy(mbs, observedName, TestMBean.class);
final Runnable sensitiveThing = new Runnable() {
public void run() {
doSensitiveThing(monitorProxy, observedName);
}
};
final Runnable nothing = new Runnable() {
public void run() {}
};
final Runnable withinGetAttribute =
(when == When.IN_GET_ATTRIBUTE) ? sensitiveThing : nothing;
mbs.registerMBean(new Test(withinGetAttribute), observedName);
monitorProxy.addObservedObject(observedName);
monitorProxy.setObservedAttribute("Thing");
monitorProxy.setInitThreshold(100);
monitorProxy.setGranularityPeriod(10L); // 10 ms
monitorProxy.setNotify(true);
final int initGetCount = observedProxy.getGetCount();
monitorProxy.start();
System.out.println("Checking GetCount, possible deadlock if timeout.");
do { // 8038322. Until timeout of testing harness
Thread.sleep(200);
} while ((observedProxy.getGetCount()) == initGetCount);
System.out.println("Done!");
// This won't show up as a deadlock in CTRL-\ or in
// ThreadMXBean.findDeadlockedThreads(), because they don't
// see that thread A is waiting for thread B (B.join()), and
// thread B is waiting for a lock held by thread A
// Now we know the monitor has observed the initial value,
// so if we want to test notify behaviour we can trigger by
// exceeding the threshold.
if (when == When.IN_NOTIFY) {
final AtomicInteger notifCount = new AtomicInteger();
final NotificationListener listener = new NotificationListener() {
public void handleNotification(Notification n, Object h) {
Thread t = new Thread(sensitiveThing);
t.start();
try {
t.join();
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
notifCount.incrementAndGet();
}
};
mbs.addNotificationListener(monitorName, listener, null, null);
observedProxy.setThing(1000);
System.out.println("Waiting notifCount.get() != 0, possible deadlock if timeout.");
do {
Thread.sleep(200);
} while(notifCount.get() == 0); // 8038322. Until timeout of testing harness
System.out.println("Done");
}
}
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();
}
}
/**
* Run test
*/
public int runTest(int monitorType) throws Exception {
int nTasks = maxPoolSize + 2;
ObjectName[] mbeanNames = new ObjectName[nTasks];
ObservedObject[] monitored = new ObservedObject[nTasks];
ObjectName[] monitorNames = new ObjectName[nTasks];
Monitor[] monitor = new Monitor[nTasks];
String[] attributes = { "Integer", "Double", "String" };
try {
echo(">>> CREATE MBeanServer");
MBeanServer server = MBeanServerFactory.newMBeanServer();
String domain = server.getDefaultDomain();
for (int i = 0; i < nTasks; i++) {
mbeanNames[i] =
new ObjectName(":type=ObservedObject,instance=" + (i + 1));
monitored[i] = new ObservedObject();
echo(">>> CREATE ObservedObject = " + mbeanNames[i].toString());
server.registerMBean(monitored[i], mbeanNames[i]);
switch (monitorType) {
case 1:
monitorNames[i] = new ObjectName(":type=CounterMonitor," +
"instance=" + (i + 1));
monitor[i] = new CounterMonitor();
break;
case 2:
monitorNames[i] = new ObjectName(":type=GaugeMonitor," +
"instance=" + (i + 1));
monitor[i] = new GaugeMonitor();
break;
case 3:
monitorNames[i] = new ObjectName(":type=StringMonitor," +
"instance=" + (i + 1));
monitor[i] = new StringMonitor();
break;
default:
echo("Unsupported monitor type");
return 1;
}
echo(">>> CREATE Monitor = " + monitorNames[i].toString());
server.registerMBean(monitor[i], monitorNames[i]);
monitor[i].addObservedObject(mbeanNames[i]);
monitor[i].setObservedAttribute(attributes[monitorType-1]);
monitor[i].setGranularityPeriod(50);
}
for (int j = 0; j < 2; j++) {
echo(">>> Start MONITORS");
for (int i = 0; i < nTasks; i++)
monitor[i].start();
echo(">>> MONITORS started");
doSleep(500);
echo(">>> Check FLAGS true");
for (int i = 0; i < nTasks; i++)
if (!monitored[i].called) {
echo("KO: At least one attribute was not called");
return 1;
}
echo(">>> FLAGS checked true");
echo(">>> Stop MONITORS");
for (int i = 0; i < nTasks; i++)
monitor[i].stop();
echo(">>> MONITORS stopped");
doSleep(500);
echo(">>> Set FLAGS to false");
for (int i = 0; i < nTasks; i++)
monitored[i].called = false;
echo(">>> FLAGS set to false");
echo(">>> Check FLAGS remain false");
for (int i = 0; i < nTasks; i++)
if (monitored[i].called) {
echo("KO: At least one attribute " +
"continued to get called");
return 1;
}
echo(">>> FLAGS checked false");
}
} finally {
for (int i = 0; i < nTasks; i++)
if (monitor[i] != null)
monitor[i].stop();
}
return 0;
}
/**
* Update the counter and check for notifications
*/
public int counterMonitorNotification() throws Exception {
CounterMonitor counterMonitor = new CounterMonitor();
try {
// Create a new CounterMonitor MBean and add it to the MBeanServer.
//
echo(">>> CREATE a new CounterMonitor MBean");
ObjectName counterMonitorName = new ObjectName(
domain + ":type=" + CounterMonitor.class.getName());
server.registerMBean(counterMonitor, counterMonitorName);
echo(">>> ADD a listener to the CounterMonitor");
counterMonitor.addNotificationListener(this, null, null);
//
// MANAGEMENT OF A STANDARD MBEAN
//
echo(">>> SET the attributes of the CounterMonitor:");
counterMonitor.addObservedObject(obsObjName);
echo("\tATTRIBUTE \"ObservedObject\" = " + obsObjName);
counterMonitor.setObservedAttribute("IntegerAttribute");
echo("\tATTRIBUTE \"ObservedAttribute\" = IntegerAttribute");
counterMonitor.setNotify(false);
echo("\tATTRIBUTE \"NotifyFlag\" = false");
Integer threshold = 2;
counterMonitor.setInitThreshold(threshold);
echo("\tATTRIBUTE \"Threshold\" = " + threshold);
int granularityperiod = 500;
counterMonitor.setGranularityPeriod(granularityperiod);
echo("\tATTRIBUTE \"GranularityPeriod\" = " + granularityperiod);
echo(">>> START the CounterMonitor");
counterMonitor.start();
// Check if notification was received
//
doWait();
if (messageReceived) {
echo("\tOK: CounterMonitor got RUNTIME_ERROR notification!");
} else {
echo("\tKO: CounterMonitor did not get " +
"RUNTIME_ERROR notification!");
return 1;
}
} finally {
messageReceived = false;
if (counterMonitor != null)
counterMonitor.stop();
}
return 0;
}
/**
* Run test
*/
public int runTest(int monitorType) throws Exception {
ObjectName[] mbeanNames = new ObjectName[nTasks];
ObservedObject[] monitored = new ObservedObject[nTasks];
ObjectName[] monitorNames = new ObjectName[nTasks];
Monitor[] monitor = new Monitor[nTasks];
String[] attributes = { "Integer", "Double", "String" };
try {
echo(">>> CREATE MBeanServer");
MBeanServer server = MBeanServerFactory.newMBeanServer();
String domain = server.getDefaultDomain();
for (int i = 0; i < nTasks; i++) {
mbeanNames[i] =
new ObjectName(":type=ObservedObject,instance=" + (i + 1));
monitored[i] = new ObservedObject();
echo(">>> CREATE ObservedObject = " + mbeanNames[i].toString());
server.registerMBean(monitored[i], mbeanNames[i]);
switch (monitorType) {
case 1:
monitorNames[i] = new ObjectName(":type=CounterMonitor," +
"instance=" + (i + 1));
monitor[i] = new CounterMonitor();
break;
case 2:
monitorNames[i] = new ObjectName(":type=GaugeMonitor," +
"instance=" + (i + 1));
monitor[i] = new GaugeMonitor();
break;
case 3:
monitorNames[i] = new ObjectName(":type=StringMonitor," +
"instance=" + (i + 1));
monitor[i] = new StringMonitor();
break;
default:
echo("Unsupported monitor type");
return 1;
}
echo(">>> CREATE Monitor = " + monitorNames[i].toString());
server.registerMBean(monitor[i], monitorNames[i]);
monitor[i].addObservedObject(mbeanNames[i]);
monitor[i].setObservedAttribute(attributes[monitorType-1]);
monitor[i].setGranularityPeriod(50);
monitor[i].start();
}
if (!waiter.waiting(MAX_WAITING_TIME)) {
echo("Error, not all "+nTasks+" monitor tasks are called after "
+MAX_WAITING_TIME);
return 1;
}
} finally {
for (int i = 0; i < nTasks; i++)
if (monitor[i] != null)
monitor[i].stop();
}
echo("All "+nTasks+" monitors are called.");
return 0;
}
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();
}
}
public static void runTest(int offset,
int counter[],
int derivedGauge[],
int threshold[]) throws Exception {
// Retrieve the platform MBean server
//
System.out.println("\nRetrieve the platform MBean server");
MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
String domain = mbs.getDefaultDomain();
// Create and register TestMBean
//
ObjectName name =
new ObjectName(domain +
":type=" + Test.class.getName() +
",offset=" + offset);
mbs.createMBean(Test.class.getName(), name);
TestMBean mbean = (TestMBean)
MBeanServerInvocationHandler.newProxyInstance(
mbs, name, TestMBean.class, false);
// Create and register CounterMonitorMBean
//
ObjectName cmn =
new ObjectName(domain +
":type=" + CounterMonitor.class.getName() +
",offset=" + offset);
CounterMonitor m = new CounterMonitor();
mbs.registerMBean(m, cmn);
CounterMonitorMBean cm = (CounterMonitorMBean)
MBeanServerInvocationHandler.newProxyInstance(
mbs, cmn, CounterMonitorMBean.class, true);
((NotificationEmitter) cm).addNotificationListener(
new Listener(), null, null);
cm.addObservedObject(name);
cm.setObservedAttribute("Counter");
cm.setGranularityPeriod(100);
cm.setInitThreshold(1);
cm.setOffset(offset);
cm.setModulus(5);
cm.setNotify(true);
// Start the monitor
//
System.out.println("\nStart monitoring...");
cm.start();
// Play with counter
//
for (int i = 0; i < counter.length; i++) {
mbean.setCounter(counter[i]);
System.out.println("\nCounter = " + mbean.getCounter());
Integer derivedGaugeValue;
// either pass or test timeout (killed by test harness)
// see 8025207
do {
Thread.sleep(150);
derivedGaugeValue = (Integer) cm.getDerivedGauge(name);
} while (derivedGaugeValue.intValue() != derivedGauge[i]);
Number thresholdValue = cm.getThreshold(name);
System.out.println("Threshold = " + thresholdValue);
if (thresholdValue.intValue() != threshold[i]) {
System.out.println("Wrong threshold! Current value = " +
thresholdValue + " Expected value = " + threshold[i]);
System.out.println("\nStop monitoring...");
cm.stop();
throw new IllegalArgumentException("wrong threshold");
}
}
// Stop the monitor
//
System.out.println("\nStop monitoring...");
cm.stop();
}
void run() throws Exception {
final MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
final ObjectName observedName = new ObjectName("a:b=c");
final ObjectName monitorName = new ObjectName("a:type=Monitor");
mbs.registerMBean(new CounterMonitor(), monitorName);
final CounterMonitorMBean monitorProxy =
JMX.newMBeanProxy(mbs, monitorName, CounterMonitorMBean.class);
final TestMBean observedProxy =
JMX.newMBeanProxy(mbs, observedName, TestMBean.class);
final Runnable sensitiveThing = new Runnable() {
public void run() {
doSensitiveThing(monitorProxy, observedName);
}
};
final Runnable nothing = new Runnable() {
public void run() {}
};
final Runnable withinGetAttribute =
(when == When.IN_GET_ATTRIBUTE) ? sensitiveThing : nothing;
mbs.registerMBean(new Test(withinGetAttribute), observedName);
monitorProxy.addObservedObject(observedName);
monitorProxy.setObservedAttribute("Thing");
monitorProxy.setInitThreshold(100);
monitorProxy.setGranularityPeriod(10L); // 10 ms
monitorProxy.setNotify(true);
final int initGetCount = observedProxy.getGetCount();
monitorProxy.start();
System.out.println("Checking GetCount, possible deadlock if timeout.");
do { // 8038322. Until timeout of testing harness
Thread.sleep(200);
} while ((observedProxy.getGetCount()) == initGetCount);
System.out.println("Done!");
// This won't show up as a deadlock in CTRL-\ or in
// ThreadMXBean.findDeadlockedThreads(), because they don't
// see that thread A is waiting for thread B (B.join()), and
// thread B is waiting for a lock held by thread A
// Now we know the monitor has observed the initial value,
// so if we want to test notify behaviour we can trigger by
// exceeding the threshold.
if (when == When.IN_NOTIFY) {
final AtomicInteger notifCount = new AtomicInteger();
final NotificationListener listener = new NotificationListener() {
public void handleNotification(Notification n, Object h) {
Thread t = new Thread(sensitiveThing);
t.start();
try {
t.join();
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
notifCount.incrementAndGet();
}
};
mbs.addNotificationListener(monitorName, listener, null, null);
observedProxy.setThing(1000);
System.out.println("Waiting notifCount.get() != 0, possible deadlock if timeout.");
do {
Thread.sleep(200);
} while(notifCount.get() == 0); // 8038322. Until timeout of testing harness
System.out.println("Done");
}
}
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();
}
}
/**
* Run test
*/
public int runTest(int monitorType) throws Exception {
int nTasks = maxPoolSize + 2;
ObjectName[] mbeanNames = new ObjectName[nTasks];
ObservedObject[] monitored = new ObservedObject[nTasks];
ObjectName[] monitorNames = new ObjectName[nTasks];
Monitor[] monitor = new Monitor[nTasks];
String[] attributes = { "Integer", "Double", "String" };
try {
echo(">>> CREATE MBeanServer");
MBeanServer server = MBeanServerFactory.newMBeanServer();
String domain = server.getDefaultDomain();
for (int i = 0; i < nTasks; i++) {
mbeanNames[i] =
new ObjectName(":type=ObservedObject,instance=" + (i + 1));
monitored[i] = new ObservedObject();
echo(">>> CREATE ObservedObject = " + mbeanNames[i].toString());
server.registerMBean(monitored[i], mbeanNames[i]);
switch (monitorType) {
case 1:
monitorNames[i] = new ObjectName(":type=CounterMonitor," +
"instance=" + (i + 1));
monitor[i] = new CounterMonitor();
break;
case 2:
monitorNames[i] = new ObjectName(":type=GaugeMonitor," +
"instance=" + (i + 1));
monitor[i] = new GaugeMonitor();
break;
case 3:
monitorNames[i] = new ObjectName(":type=StringMonitor," +
"instance=" + (i + 1));
monitor[i] = new StringMonitor();
break;
default:
echo("Unsupported monitor type");
return 1;
}
echo(">>> CREATE Monitor = " + monitorNames[i].toString());
server.registerMBean(monitor[i], monitorNames[i]);
monitor[i].addObservedObject(mbeanNames[i]);
monitor[i].setObservedAttribute(attributes[monitorType-1]);
monitor[i].setGranularityPeriod(50);
}
for (int j = 0; j < 2; j++) {
echo(">>> Start MONITORS");
for (int i = 0; i < nTasks; i++)
monitor[i].start();
echo(">>> MONITORS started");
doSleep(500);
echo(">>> Check FLAGS true");
for (int i = 0; i < nTasks; i++)
if (!monitored[i].called) {
echo("KO: At least one attribute was not called");
return 1;
}
echo(">>> FLAGS checked true");
echo(">>> Stop MONITORS");
for (int i = 0; i < nTasks; i++)
monitor[i].stop();
echo(">>> MONITORS stopped");
doSleep(500);
echo(">>> Set FLAGS to false");
for (int i = 0; i < nTasks; i++)
monitored[i].called = false;
echo(">>> FLAGS set to false");
echo(">>> Check FLAGS remain false");
for (int i = 0; i < nTasks; i++)
if (monitored[i].called) {
echo("KO: At least one attribute " +
"continued to get called");
return 1;
}
echo(">>> FLAGS checked false");
}
} finally {
for (int i = 0; i < nTasks; i++)
if (monitor[i] != null)
monitor[i].stop();
}
return 0;
}