Esempio n. 1
0
  /**
   * Program Main
   *
   * <p>Creates a server object, gets the JMX Service URL, and calls the method that will create and
   * register the appropriate JMX Connector Server for that URL.
   *
   * <p>You may wish to use the following properties on the Java command line:
   *
   * <ul>
   *   <li><code>-Durl=&lt;jmxServiceURL&gt;</code>: specifies the URL of the JMX Connector Server
   *       you wish to use. See README file for more details
   *   <li><code>-Dagent.name=&lt;AgentName&gt;</code>: specifies an AgentName to register with.
   *   <li><code>-Djini.lookup.url=&lt;jini-url&gt;</code>: the Jini Lookup Service URL (default is
   *       "jini://localhost"), see {@link #getRegistrar()}.
   *   <li><code>-Ddebug="true|false"</code>: switch the Server debug flag on/off (default is
   *       "false").
   * </ul>
   */
  public static void main(String[] args) {
    try {
      // Jini requires a security manager.
      //
      if (System.getSecurityManager() == null) System.setSecurityManager(new RMISecurityManager());

      // Get the value of the debug flag.
      //
      debug = (Boolean.valueOf(System.getProperty("debug", "false"))).booleanValue();

      // Create a new Server object.
      //
      final Server s = new Server();

      // Get the JMXConnector URL
      //
      final String url = System.getProperty("url", "service:jmx:rmi://");

      // Build a JMXServiceURL
      //
      final JMXServiceURL jurl = new JMXServiceURL(url);

      // Creates a JMX Connector Server
      //
      debug("Creating Connector: " + jurl);
      final String p = jurl.getProtocol();
      if (p.equals("rmi")) // Create an RMI Connector
      s.rmi(url);
      else if (p.equals("iiop")) // Create an RMI/IIOP Connector
      s.rmi(url);
      else // Unsupported protocol
      throw new MalformedURLException("Unsupported protocol: " + p);

      System.out.println("\nService URL successfully registered " + "in the Jini Lookup Service");

    } catch (Exception x) {
      // Something went wrong somewhere....
      //
      System.err.println("Unexpected exception caught in main: " + x);
      x.printStackTrace(System.err);
    }
  }
Esempio n. 2
0
  /**
   * Program Main
   *
   * <p>Lookup all JMX agents in the Jini Lookup Service and list their MBeans and attributes.
   *
   * <p>You may wish to use the following properties on the Java command line:
   *
   * <ul>
   *   <li><code>-Dagent.name=&lt;AgentName&gt;</code>: specifies an AgentName to lookup (default is
   *       null, meaning any agent).
   *   <li><code>-Djini.lookup.url=&lt;jini-url&gt;</code>: the Jini Lookup Service URL (default is
   *       "jini://localhost"), see {@link #getRegistrar()}.
   *   <li><code>-Ddebug="true|false"</code>: switch the Client debug flag on/off (default is
   *       "false").
   * </ul>
   */
  public static void main(String[] args) {
    try {
      // Jini requires a security manager.
      //
      if (System.getSecurityManager() == null) System.setSecurityManager(new RMISecurityManager());

      // Get the value of the debug flag.
      //
      debug = (Boolean.valueOf(System.getProperty("debug", "false"))).booleanValue();

      // Get AgentName to lookup. If not defined, all agents
      // are looked up.
      //
      final String agentName = System.getProperty("agent.name");

      // Get a pointer to the Jini Lookup Service.
      //
      final ServiceRegistrar registrar = getRegistrar();
      debug("registrar is: " + registrar);

      // Lookup all matching agents in the Jini Lookup Service.
      //
      List l = lookup(registrar, agentName);

      // Attempt to connect to retrieved agents
      //
      System.out.println("Number of agents found : " + l.size());
      int j = 1;
      for (Iterator i = l.iterator(); i.hasNext(); j++) {
        JMXConnector c1 = (JMXConnector) i.next();
        if (c1 != null) {

          // Connect
          //
          System.out.println("----------------------------------------------------");
          System.out.println("\tConnecting to agent number " + j);
          System.out.println("----------------------------------------------------");
          debug("JMXConnector is: " + c1);

          try {
            c1.connect(null);
          } catch (IOException x) {
            System.err.println("Connection failed: " + x);
            if (debug) x.printStackTrace(System.err);
            continue;
          }

          // Get MBeanServerConnection
          //
          MBeanServerConnection conn = c1.getMBeanServerConnection();
          debug("Connection is:" + conn);
          System.out.println("Server domain is: " + conn.getDefaultDomain());

          // List all MBeans
          //
          try {
            listMBeans(conn);
          } catch (IOException x) {
            System.err.println("Failed to list MBeans: " + x);
            if (debug) x.printStackTrace(System.err);
          }

          // Close connector
          //
          try {
            c1.close();
          } catch (IOException x) {
            System.err.println("Failed to close connection: " + x);
            if (debug) x.printStackTrace(System.err);
          }
        }
      }
    } catch (Exception x) {
      System.err.println("Unexpected exception caught in main: " + x);
      x.printStackTrace(System.err);
    }
  }