test/java/rmi/transport/closeServerSocket/CloseServerSocket.java

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   1 /*
   2  * Copyright (c) 2005, 2008, 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 /* @test
  25  * @bug 4457683
  26  * @summary After all of the remote objects (including a registry, if
  27  * applicable) that had been exported with a given
  28  * RMIServerSocketFactory value (including null) have been unexported,
  29  * the server socket created for the exports should be closed (so that
  30  * the local port is released).
  31  * @author Peter Jones
  32  *
  33  * @build CloseServerSocket

  34  * @run main/othervm CloseServerSocket
  35  */
  36 
  37 import java.io.IOException;
  38 import java.net.BindException;
  39 import java.net.ServerSocket;
  40 import java.rmi.Remote;
  41 import java.rmi.registry.LocateRegistry;
  42 import java.rmi.registry.Registry;
  43 import java.rmi.server.RMIServerSocketFactory;
  44 import java.rmi.server.UnicastRemoteObject;
  45 
  46 public class CloseServerSocket implements Remote {
  47 
  48     private static final int PORT = 2020;
  49 
  50     private CloseServerSocket() { }
  51 
  52     public static void main(String[] args) throws Exception {
  53         System.err.println("\nRegression test for bug 4457683\n");
  54 
  55         verifyPortFree(PORT);
  56         Registry registry = LocateRegistry.createRegistry(PORT);
  57         System.err.println("- exported registry: " + registry);
  58         verifyPortInUse(PORT);
  59         UnicastRemoteObject.unexportObject(registry, true);
  60         System.err.println("- unexported registry");
  61         Thread.sleep(1);        // work around BindException (bug?)
  62         verifyPortFree(PORT);
  63 
  64         /*
  65          * The follow portion of this test is disabled temporarily
  66          * because 4457683 was partially backed out because of
  67          * 6269166; for now, only server sockets originally opened for
  68          * exports on non-anonymous ports will be closed when all of


  71          * 4457683 for anonymous-port exports.
  72          */
  73 
  74 //      SSF ssf = new SSF();
  75 //      Remote impl = new CloseServerSocket();
  76 //      Remote stub = UnicastRemoteObject.exportObject(impl, 0, null, ssf);
  77 //      System.err.println("- exported object: " + stub);
  78 //      UnicastRemoteObject.unexportObject(impl, true);
  79 //      System.err.println("- unexported object");
  80 //      synchronized (ssf) {
  81 //          if (!ssf.serverSocketClosed) {
  82 //              throw new RuntimeException("TEST FAILED: " +
  83 //                                         "server socket not closed");
  84 //          }
  85 //      }
  86 
  87         System.err.println("TEST PASSED");
  88     }
  89 
  90     private static void verifyPortFree(int port) throws IOException {
  91         ServerSocket ss = new ServerSocket(PORT);
  92         ss.close();
  93         System.err.println("- port " + port + " is free");
  94     }
  95 
  96     private static void verifyPortInUse(int port) throws IOException {
  97         try {
  98             verifyPortFree(port);
  99         } catch (BindException e) {
 100             System.err.println("- port " + port + " is in use");
 101             return;
 102         }
 103     }
 104 
 105     private static class SSF implements RMIServerSocketFactory {
 106         boolean serverSocketClosed = false;
 107         SSF() { };
 108 
 109         public ServerSocket createServerSocket(int port) throws IOException {
 110             return new SS(port);
 111         }
   1 /*
   2  * Copyright (c) 2005, 2012, 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 /* @test
  25  * @bug 4457683
  26  * @summary After all of the remote objects (including a registry, if
  27  * applicable) that had been exported with a given
  28  * RMIServerSocketFactory value (including null) have been unexported,
  29  * the server socket created for the exports should be closed (so that
  30  * the local port is released).
  31  * @author Peter Jones
  32  *
  33  * @library ../../testlibrary
  34  * @build CloseServerSocket TestLibrary
  35  * @run main/othervm CloseServerSocket
  36  */
  37 
  38 import java.io.IOException;
  39 import java.net.BindException;
  40 import java.net.ServerSocket;
  41 import java.rmi.Remote;
  42 import java.rmi.registry.LocateRegistry;
  43 import java.rmi.registry.Registry;
  44 import java.rmi.server.RMIServerSocketFactory;
  45 import java.rmi.server.UnicastRemoteObject;
  46 
  47 public class CloseServerSocket implements Remote {
  48     private static final int PORT = TestLibrary.getUnusedRandomPort();

  49 
  50     private CloseServerSocket() { }
  51 
  52     public static void main(String[] args) throws Exception {
  53         System.err.println("\nRegression test for bug 4457683\n");
  54 
  55         verifyPortFree(PORT);
  56         Registry registry = LocateRegistry.createRegistry(PORT);
  57         System.err.println("- exported registry: " + registry);
  58         verifyPortInUse(PORT);
  59         UnicastRemoteObject.unexportObject(registry, true);
  60         System.err.println("- unexported registry");
  61         Thread.sleep(1);        // work around BindException (bug?)
  62         verifyPortFree(PORT);
  63 
  64         /*
  65          * The follow portion of this test is disabled temporarily
  66          * because 4457683 was partially backed out because of
  67          * 6269166; for now, only server sockets originally opened for
  68          * exports on non-anonymous ports will be closed when all of


  71          * 4457683 for anonymous-port exports.
  72          */
  73 
  74 //      SSF ssf = new SSF();
  75 //      Remote impl = new CloseServerSocket();
  76 //      Remote stub = UnicastRemoteObject.exportObject(impl, 0, null, ssf);
  77 //      System.err.println("- exported object: " + stub);
  78 //      UnicastRemoteObject.unexportObject(impl, true);
  79 //      System.err.println("- unexported object");
  80 //      synchronized (ssf) {
  81 //          if (!ssf.serverSocketClosed) {
  82 //              throw new RuntimeException("TEST FAILED: " +
  83 //                                         "server socket not closed");
  84 //          }
  85 //      }
  86 
  87         System.err.println("TEST PASSED");
  88     }
  89 
  90     private static void verifyPortFree(int port) throws IOException {
  91         ServerSocket ss = new ServerSocket(port);
  92         ss.close();
  93         System.err.println("- port " + port + " is free");
  94     }
  95 
  96     private static void verifyPortInUse(int port) throws IOException {
  97         try {
  98             verifyPortFree(port);
  99         } catch (BindException e) {
 100             System.err.println("- port " + port + " is in use");
 101             return;
 102         }
 103     }
 104 
 105     private static class SSF implements RMIServerSocketFactory {
 106         boolean serverSocketClosed = false;
 107         SSF() { };
 108 
 109         public ServerSocket createServerSocket(int port) throws IOException {
 110             return new SS(port);
 111         }