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Commit 83bd4e14 authored by dgelessus's avatar dgelessus
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Remove StateMonitor to avoid dependency on com.sun.tools.attach

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tlatools/src/tlc2/tool/management/StateMonitor.java deleted 100644 → 0
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/*******************************************************************************
* Copyright (c) 2018 Microsoft Research. All rights reserved.
*
* The MIT License (MIT)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to do
* so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Contributors:
* Markus Alexander Kuppe - initial API and implementation
******************************************************************************/
package tlc2.tool.management;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Comparator;
import java.util.Date;
import java.util.List;
import java.util.Scanner;
import javax.management.MBeanServerConnection;
import javax.management.MBeanServerInvocationHandler;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import javax.management.remote.JMXConnector;
import javax.management.remote.JMXConnectorFactory;
import javax.management.remote.JMXServiceURL;
import com.sun.tools.attach.AttachNotSupportedException;
import com.sun.tools.attach.VirtualMachine;
import com.sun.tools.attach.VirtualMachineDescriptor;
import tlc2.tool.distributed.management.TLCStatisticsMXBean;
/*
* This class does not compile in the Eclipse IDE on Ubuntu 18.04 with JaveSE1.8 linked to the
* 8u201-1~webupd8~1 JVM installed from webupd8 and probably fails to compile elsewhere too,
* because Eclipse fails to find the com.sun.tools.attach classes. The fix is to add the JDK's
* tools.jar to the Java installation. On Java 11 this doesn't seem to be an issue.
*/
public class StateMonitor {
private static final SimpleDateFormat SDF = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); //$NON-NLS-1$
public static void main(String[] args) throws IOException, MalformedObjectNameException, InterruptedException, AttachNotSupportedException {
int interval = 10; // 10sec interval by default
if (args.length == 1) {
interval = Integer.valueOf(args[0]);
}
JMXServiceURL url = null;
try {
final List<VirtualMachineDescriptor> vmds = com.sun.tools.attach.VirtualMachine.list();
vmds.sort(new Comparator<VirtualMachineDescriptor>() {
@Override
public int compare(VirtualMachineDescriptor o1, VirtualMachineDescriptor o2) {
// Sort those vms higher whose display name contains TLC.
final boolean c1 = o1.displayName().contains("TLC");
final boolean c2 = o2.displayName().contains("TLC");
if (c1 ^ c2) {
if (c1) {
return -1;
}
return 1;
}
return 0;
}
});
int index = 1;
try (Scanner scanner = new Scanner(System.in)) {
rd: while (true) {
index = 1;
System.out.printf("============\n");
for (VirtualMachineDescriptor vmd : vmds) {
System.out.printf("[%s]: pid=%s, name=%s\n", index++, vmd.id(), vmd.displayName());
}
System.out.printf("Please select the number of the Java VM running TLC to connect to:\n");
if (scanner.hasNextInt()) {
index = scanner.nextInt();
// Check index is within bounds.
if (index >= 1 && index <= vmds.size()) {
break rd;
}
}
System.err.printf("Invalid selection %s\n", index);
}
}
final VirtualMachineDescriptor tlcVMD = vmds.get(index - 1);
final VirtualMachine vm = tlcVMD.provider().attachVirtualMachine(tlcVMD);
final String address = vm.startLocalManagementAgent();
url = new JMXServiceURL(address);
System.out.printf("Connecting to TLC running at %s.\n(Hit Ctrl+c to terminate)\n", url);
} catch (NumberFormatException nfe) {
// If monitored VM has been launched with explicit port, use service url instead
// of CAL:
// -Dcom.sun.management.jmxremote
// -Dcom.sun.management.jmxremote.port=10995
// -Dcom.sun.management.jmxremote.ssl=false
// -Dcom.sun.management.jmxremote.authenticate=false
// => "service:jmx:rmi:///jndi/rmi://localhost:10995/jmxrmi".
url = new JMXServiceURL("service:jmx:rmi:///jndi/rmi://" + args[0] + "/jmxrmi");
System.out.printf("Connecting to TLC running at %s.\n(Hit Ctrl+c to terminate)\n", url);
}
final JMXConnector jmxConnector = JMXConnectorFactory.connect(url);
final MBeanServerConnection mbeanServerConnection = jmxConnector.getMBeanServerConnection();
// ObjectName should be same as your MBean name
final ObjectName mbeanName = new ObjectName(ModelCheckerMXWrapper.OBJ_NAME);
// Get MBean proxy instance that will be used to make calls to registered MBean
final TLCStatisticsMXBean mbeanProxy = (TLCStatisticsMXBean) MBeanServerInvocationHandler
.newProxyInstance(mbeanServerConnection, mbeanName, TLCStatisticsMXBean.class, true);
while (true) {
System.out.printf("############ %s ############\n%s", SDF.format(new Date()), mbeanProxy.getCurrentState());
Thread.sleep(interval * 1000L);
}
// No need to close the connection because JVM itself terminates.
//jmxConnector.close();
}
}
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