1 /*
   2  * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**/
  25 
  26 import java.rmi.*;
  27 import java.rmi.registry.*;
  28 import java.rmi.server.*;
  29 
  30 /**
  31  * Class to run a registry whos VM can be told to exit remotely; using
  32  * the rmiregistry in this fashion makes tests more robust under
  33  * windows where Process.destroy() seems not to be 100% reliable.
  34  */
  35 public class RegistryRunner extends UnicastRemoteObject
  36     implements RemoteExiter
  37 {
  38     private static Registry registry = null;
  39     private static RemoteExiter exiter = null;
  40 
  41     public RegistryRunner() throws RemoteException {
  42     }
  43 
  44     /**
  45      * Ask the registry to exit instead of forcing it do so; this
  46      * works better on windows...
  47      */
  48     public void exit() throws RemoteException {
  49         // REMIND: create a thread to do this to avoid
  50         // a remote exception?
  51         System.err.println("received call to exit");
  52         System.exit(0);
  53     }
  54 
  55     /**
  56      * Request that the registry process exit and handle
  57      * related exceptions.
  58      */
  59     public static void requestExit() {
  60         try {
  61             RemoteExiter exiter =
  62                 (RemoteExiter)
  63                 Naming.lookup("rmi://localhost:" +
  64                               TestLibrary.REGISTRY_PORT +
  65                               "/RemoteExiter");
  66             try {
  67                 exiter.exit();
  68             } catch (RemoteException re) {
  69             }
  70             exiter = null;
  71         } catch (java.net.MalformedURLException mfue) {
  72             // will not happen
  73         } catch (NotBoundException nbe) {
  74             TestLibrary.bomb("exiter not bound?", nbe);
  75         } catch (RemoteException re) {
  76             TestLibrary.bomb("remote exception trying to exit",
  77                              re);
  78         }
  79     }
  80 
  81     public static void main(String[] args) {
  82         try {
  83             if (args.length == 0) {
  84                 System.err.println("Usage: <port>");
  85                 System.exit(0);
  86             }
  87             int port = TestLibrary.REGISTRY_PORT;
  88             try {
  89                 port = Integer.parseInt(args[0]);
  90             } catch (NumberFormatException nfe) {
  91             }
  92 
  93             // create a registry
  94             registry = LocateRegistry.createRegistry(port);
  95 
  96             // create a remote object to tell this VM to exit
  97             exiter = new RegistryRunner();
  98             Naming.rebind("rmi://localhost:" + port +
  99                           "/RemoteExiter", exiter);
 100 
 101         } catch (Exception e) {
 102             System.err.println(e.getMessage());
 103             e.printStackTrace();
 104             System.exit(-1);
 105         }
 106     }
 107 }