/** Constructs a PrintGCStat object to monitor a remote JVM. */
public PrintGCStat(MBeanServerConnection server) throws IOException {
// Create the platform mxbean proxies
this.rmbean = newPlatformMXBeanProxy(server, RUNTIME_MXBEAN_NAME, RuntimeMXBean.class);
this.mmbean = newPlatformMXBeanProxy(server, MEMORY_MXBEAN_NAME, MemoryMXBean.class);
ObjectName poolName = null;
ObjectName gcName = null;
try {
poolName = new ObjectName(MEMORY_POOL_MXBEAN_DOMAIN_TYPE + ",*");
gcName = new ObjectName(GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",*");
} catch (MalformedObjectNameException e) {
// should not reach here
assert (false);
}
Set<ObjectName> mbeans = server.queryNames(poolName, null);
if (mbeans != null) {
pools = new ArrayList<MemoryPoolMXBean>();
for (ObjectName objName : mbeans) {
MemoryPoolMXBean p =
newPlatformMXBeanProxy(server, objName.getCanonicalName(), MemoryPoolMXBean.class);
pools.add(p);
}
}
mbeans = server.queryNames(gcName, null);
if (mbeans != null) {
gcmbeans = new ArrayList<GarbageCollectorMXBean>();
for (ObjectName objName : mbeans) {
GarbageCollectorMXBean gc =
newPlatformMXBeanProxy(
server, objName.getCanonicalName(), GarbageCollectorMXBean.class);
gcmbeans.add(gc);
}
}
}
/** List all MBeans and their attributes. */
public static void listMBeans(MBeanServerConnection server) throws IOException {
final Set names = server.queryNames(null, null);
for (final Iterator i = names.iterator(); i.hasNext(); ) {
ObjectName name = (ObjectName) i.next();
System.out.println("Got MBean: " + name);
try {
MBeanInfo info = server.getMBeanInfo((ObjectName) name);
MBeanAttributeInfo[] attrs = info.getAttributes();
if (attrs == null) continue;
for (int j = 0; j < attrs.length; j++) {
if (attrs[j].isReadable()) {
try {
Object o = server.getAttribute(name, attrs[j].getName());
System.out.println("\t\t" + attrs[j].getName() + " = " + o);
} catch (Exception x) {
System.err.println("JmxClient failed to get " + attrs[j].getName());
x.printStackTrace(System.err);
}
}
}
} catch (Exception x) {
System.err.println("JmxClient failed to get MBeanInfo: " + x);
x.printStackTrace(System.err);
}
}
}
/**
* Finds all CamelContext's registered on a certain JMX-Server or, if a JMX-BrokerName has been
* set, the broker with that name.
*
* @param connection not <code>null</code>
* @param managementName to find a specific context by its management name
* @return Set with ObjectName-elements
*/
protected Set<ObjectName> findCamelContexts(
MBeanServerConnection connection, String managementName) throws Exception {
String id = managementName != null ? managementName : camelContextManagementName;
ObjectName name;
if (id != null) {
name = new ObjectName("org.apache.camel:context=" + managementName + ",type=context,*");
} else {
name = new ObjectName("org.apache.camel:context=*,type=context,*");
}
Set<ObjectName> camels = connection.queryNames(name, null);
return camels;
}
/**
* Check for the existence of a certain MBean. All known MBeanServers are queried
*
* @param pMbeanServers mbean servers to query for
* @param pMbeanPattern MBean name pattern for MBeans to check for
* @return set of {@link ObjectName}s if the pattern matches, null if no match was found
*/
protected Set<ObjectName> searchMBeans(
Set<? extends MBeanServerConnection> pMbeanServers, String pMbeanPattern) {
try {
ObjectName oName = new ObjectName(pMbeanPattern);
for (MBeanServerConnection s : pMbeanServers) {
Set<ObjectName> names = s.queryNames(oName, null);
if (names != null && names.size() > 0) {
return names;
}
}
return null;
} catch (MalformedObjectNameException e) {
return null;
} catch (IOException e) {
return null;
}
}
public static void main(String[] args) throws Exception {
// TODO Auto-generated method stub
if (args.length != 4) {
System.err.println("Please provide process id zabbix-host zabbix-port host-guid");
System.exit(-1);
}
String processPid = args[0];
String zabbixHost = args[1];
String zabbixPort = args[2];
String hostGuid = args[3];
VirtualMachine vm = VirtualMachine.attach(processPid);
String connectorAddr =
vm.getAgentProperties().getProperty("com.sun.management.jmxremote.localConnectorAddress");
if (connectorAddr == null) {
String agent =
vm.getSystemProperties().getProperty("java.home")
+ File.separator
+ "lib"
+ File.separator
+ "management-agent.jar";
vm.loadAgent(agent);
connectorAddr =
vm.getAgentProperties().getProperty("com.sun.management.jmxremote.localConnectorAddress");
}
JMXServiceURL serviceURL = new JMXServiceURL(connectorAddr);
JMXConnector connector = JMXConnectorFactory.connect(serviceURL);
MBeanServerConnection mbsc = connector.getMBeanServerConnection();
ObjectName objName = new ObjectName(ManagementFactory.THREAD_MXBEAN_NAME);
Set<ObjectName> mbeans = mbsc.queryNames(objName, null);
for (ObjectName name : mbeans) {
ThreadMXBean threadBean;
threadBean =
ManagementFactory.newPlatformMXBeanProxy(mbsc, name.toString(), ThreadMXBean.class);
long threadIds[] = threadBean.getAllThreadIds();
for (long threadId : threadIds) {
ThreadInfo threadInfo = threadBean.getThreadInfo(threadId);
System.out.println(threadInfo.getThreadName() + " / " + threadInfo.getThreadState());
}
}
}
public Map<ObjectName, Result> process(JmxInvokerArguments arguments) throws IOException {
String pid =
(arguments.pid == null) ? Files2.readFile(arguments.pidFile, "US-ASCII") : arguments.pid;
pid = pid.replace("\n", "").trim();
ObjectName on = arguments.objectName;
String[] op = arguments.operation;
String operationName = op == null || op.length == 0 ? null : op[0];
String[] operationArguments =
op == null || op.length < 2 ? new String[0] : Arrays.copyOfRange(op, 1, op.length);
String[] attr = arguments.attribute;
String attributeName = attr == null || attr.length == 0 ? null : attr[0];
String attributeValue = attr == null || attr.length < 2 ? null : attr[1];
MBeanServerConnection mbeanServer = connectToMbeanServer(pid);
Map<ObjectName, Result> results = new TreeMap<ObjectName, Result>();
Set<ObjectName> objectNames = mbeanServer.queryNames(on, null);
if (objectNames.isEmpty()) {
logger.warn("No mbean found for ObjectName {}", on);
}
for (ObjectName objectName : objectNames) {
Result result;
try {
if (operationName != null) {
result = invokeOperation(mbeanServer, objectName, operationName, operationArguments);
} else if (attributeName != null) {
result = invokeAttribute(mbeanServer, objectName, attributeName, attributeValue);
} else if (arguments.describeMbeans) {
result = describeMbean(mbeanServer, objectName);
} else if (arguments.listMbeans) {
result = new Result(objectName, objectName.toString(), objectName.toString());
} else {
throw new CmdLineException(
arguments.cmdLineParser, "NO SEARCH_MBEANS OR OPERATION OR ATTRIBUTE DEFINED");
}
} catch (Exception e) {
StringWriter sw = new StringWriter();
e.printStackTrace(new PrintWriter(sw));
String msg = "## EXCEPTION ##\n" + sw.toString();
result = new Result(objectName, msg, msg);
}
results.put(objectName, result);
}
logger.info("INVOCATION RESULT");
logger.info("#################");
logger.info("JVM pid: {}", pid);
logger.info("Searched object-name: {}", on);
if (operationName != null) {
logger.info("Invoke operation {}{}", operationName, Arrays.asList(operationArguments));
} else if (attributeValue == null) {
logger.info("Get attribute {}", attributeName);
} else {
logger.info("Set attribute {}: {}", attributeName, attributeValue);
}
for (Map.Entry<ObjectName, Result> entry : results.entrySet()) {
logger.info("{}", entry.getKey());
logger.info("\t{}", entry.getValue());
}
return results;
}
