/* * Copyright (c) 2004, 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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. */package sun.tools.jstatd;import java.rmi.*;import java.rmi.server.*;import java.rmi.registry.Registry;import java.rmi.registry.LocateRegistry;import java.net.MalformedURLException;import sun.jvmstat.monitor.remote.*;/** * Application providing remote access to the jvmstat instrumentation * exported by local Java Virtual Machine processes. Remote access is * provided through an RMI interface. * * @author Brian Doherty * @since 1.5 */public class Jstatd { private static Registry registry; private static int port = -1; private static boolean startRegistry = true; private static void printUsage() { System.err.println("usage: jstatd [-nr] [-p port] [-n rminame]"); } static void bind(String name, RemoteHostImpl remoteHost) throws RemoteException, MalformedURLException, Exception { try { Naming.rebind(name, remoteHost); } catch (java.rmi.ConnectException e) { /* * either the registry is not running or we cannot contact it. * start an internal registry if requested. */ if (startRegistry && registry == null) { int localport = (port < 0) ? Registry.REGISTRY_PORT : port; registry = LocateRegistry.createRegistry(localport); bind(name, remoteHost); } else { System.out.println("Could not contact registry\n" + e.getMessage()); e.printStackTrace(); } } catch (RemoteException e) { System.err.println("Could not bind " + name + " to RMI Registry"); e.printStackTrace(); } } public static void main(String[] args) { String rminame = null; int argc = 0; for ( ; (argc < args.length) && (args[argc].startsWith("-")); argc++) { String arg = args[argc]; if (arg.compareTo("-nr") == 0) { startRegistry = false; } else if (arg.startsWith("-p")) { if (arg.compareTo("-p") != 0) { port = Integer.parseInt(arg.substring(2)); } else { argc++; if (argc >= args.length) { printUsage(); System.exit(1); } port = Integer.parseInt(args[argc]); } } else if (arg.startsWith("-n")) { if (arg.compareTo("-n") != 0) { rminame = arg.substring(2); } else { argc++; if (argc >= args.length) { printUsage(); System.exit(1); } rminame = args[argc]; } } else { printUsage(); System.exit(1); } } if (argc < args.length) { printUsage(); System.exit(1); } if (System.getSecurityManager() == null) { System.setSecurityManager(new RMISecurityManager()); } StringBuilder name = new StringBuilder(); if (port >= 0) { name.append("//:").append(port); } if (rminame == null) { rminame = "JStatRemoteHost"; } name.append("/").append(rminame); try { // use 1.5.0 dynamically generated subs. System.setProperty("java.rmi.server.ignoreSubClasses", "true"); RemoteHostImpl remoteHost = new RemoteHostImpl(); RemoteHost stub = (RemoteHost) UnicastRemoteObject.exportObject( remoteHost, 0); bind(name.toString(), remoteHost); } catch (MalformedURLException e) { if (rminame != null) { System.out.println("Bad RMI server name: " + rminame); } else { System.out.println("Bad RMI URL: " + name + " : " + e.getMessage()); } System.exit(1); } catch (java.rmi.ConnectException e) { // could not attach to or create a registry System.out.println("Could not contact RMI registry\n" + e.getMessage()); System.exit(1); } catch (Exception e) { System.out.println("Could not create remote object\n" + e.getMessage()); e.printStackTrace(); System.exit(1); } }}
/*
* Copyright (c) 2004, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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.
*/
package sun.tools.jstatd;
import java.rmi.*;
import java.rmi.server.*;
import java.rmi.registry.Registry;
import java.rmi.registry.LocateRegistry;
import java.net.MalformedURLException;
import sun.jvmstat.monitor.remote.*;
/**
* Application providing remote access to the jvmstat instrumentation
* exported by local Java Virtual Machine processes. Remote access is
* provided through an RMI interface.
*
* @author Brian Doherty
* @since 1.5
*/
public class Jstatd {
private static Registry registry;
private static int port = -1;
private static boolean startRegistry = true;
private static void printUsage() {
System.err.println("usage: jstatd [-nr] [-p port] [-n rminame]");
}
static void bind(String name, RemoteHostImpl remoteHost)
throws RemoteException, MalformedURLException, Exception {
try {
Naming.rebind(name, remoteHost);
} catch (java.rmi.ConnectException e) {
/*
* either the registry is not running or we cannot contact it.
* start an internal registry if requested.
*/
if (startRegistry && registry == null) {
int localport = (port < 0) ? Registry.REGISTRY_PORT : port;
registry = LocateRegistry.createRegistry(localport);
bind(name, remoteHost);
}
else {
System.out.println("Could not contact registry\n"
+ e.getMessage());
e.printStackTrace();
}
} catch (RemoteException e) {
System.err.println("Could not bind " + name + " to RMI Registry");
e.printStackTrace();
}
}
public static void main(String[] args) {
String rminame = null;
int argc = 0;
for ( ; (argc < args.length) && (args[argc].startsWith("-")); argc++) {
String arg = args[argc];
if (arg.compareTo("-nr") == 0) {
startRegistry = false;
} else if (arg.startsWith("-p")) {
if (arg.compareTo("-p") != 0) {
port = Integer.parseInt(arg.substring(2));
} else {
argc++;
if (argc >= args.length) {
printUsage();
System.exit(1);
}
port = Integer.parseInt(args[argc]);
}
} else if (arg.startsWith("-n")) {
if (arg.compareTo("-n") != 0) {
rminame = arg.substring(2);
} else {
argc++;
if (argc >= args.length) {
printUsage();
System.exit(1);
}
rminame = args[argc];
}
} else {
printUsage();
System.exit(1);
}
}
if (argc < args.length) {
printUsage();
System.exit(1);
}
if (System.getSecurityManager() == null) {
System.setSecurityManager(new RMISecurityManager());
}
StringBuilder name = new StringBuilder();
if (port >= 0) {
name.append("//:").append(port);
}
if (rminame == null) {
rminame = "JStatRemoteHost";
}
name.append("/").append(rminame);
try {
// use 1.5.0 dynamically generated subs.
System.setProperty("java.rmi.server.ignoreSubClasses", "true");
RemoteHostImpl remoteHost = new RemoteHostImpl();
RemoteHost stub = (RemoteHost) UnicastRemoteObject.exportObject(
remoteHost, 0);
bind(name.toString(), remoteHost);
} catch (MalformedURLException e) {
if (rminame != null) {
System.out.println("Bad RMI server name: " + rminame);
} else {
System.out.println("Bad RMI URL: " + name + " : "
+ e.getMessage());
}
System.exit(1);
} catch (java.rmi.ConnectException e) {
// could not attach to or create a registry
System.out.println("Could not contact RMI registry\n"
+ e.getMessage());
System.exit(1);
} catch (Exception e) {
System.out.println("Could not create remote object\n"
+ e.getMessage());
e.printStackTrace();
System.exit(1);
}
}
}