147 lines
5.2 KiB
Java
147 lines
5.2 KiB
Java
/*
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* Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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* @bug 4457683
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* @summary After all of the remote objects (including a registry, if
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* applicable) that had been exported with a given
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* RMIServerSocketFactory value (including null) have been unexported,
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* the server socket created for the exports should be closed (so that
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* the local port is released).
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* @author Peter Jones
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*
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* @library ../../testlibrary
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* @modules java.rmi/sun.rmi.registry
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* java.rmi/sun.rmi.server
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* java.rmi/sun.rmi.transport
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* java.rmi/sun.rmi.transport.tcp
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* @build TestLibrary
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* @run main/othervm CloseServerSocket
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* @key intermittent
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*/
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import java.io.IOException;
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import java.net.BindException;
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import java.net.ServerSocket;
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import java.rmi.Remote;
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import java.rmi.registry.LocateRegistry;
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import java.rmi.registry.Registry;
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import java.rmi.server.RMIServerSocketFactory;
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import java.rmi.server.UnicastRemoteObject;
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public class CloseServerSocket implements Remote {
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private static final int PORT = TestLibrary.getUnusedRandomPort();
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private CloseServerSocket() { }
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public static void main(String[] args) throws Exception {
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System.err.println("\nRegression test for bug 4457683\n");
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verifyPortFree(PORT);
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Registry registry = LocateRegistry.createRegistry(PORT);
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System.err.println("- exported registry: " + registry);
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verifyPortInUse(PORT);
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UnicastRemoteObject.unexportObject(registry, true);
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System.err.println("- unexported registry");
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int tries = (int)TestLibrary.getTimeoutFactor();
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tries = Math.max(tries, 1);
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while (tries-- > 0) {
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Thread.sleep(1000);
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try {
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verifyPortFree(PORT);
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break;
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} catch (IOException ignore) { }
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}
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if (tries < 0) {
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throw new RuntimeException("time out after tries: " + tries);
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}
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/*
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* The follow portion of this test is disabled temporarily
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* because 4457683 was partially backed out because of
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* 6269166; for now, only server sockets originally opened for
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* exports on non-anonymous ports will be closed when all of
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* the corresponding remote objects have been exported. A
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* separate bug will be filed to represent the remainder of
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* 4457683 for anonymous-port exports.
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*/
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// SSF ssf = new SSF();
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// Remote impl = new CloseServerSocket();
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// Remote stub = UnicastRemoteObject.exportObject(impl, 0, null, ssf);
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// System.err.println("- exported object: " + stub);
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// UnicastRemoteObject.unexportObject(impl, true);
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// System.err.println("- unexported object");
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// synchronized (ssf) {
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// if (!ssf.serverSocketClosed) {
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// throw new RuntimeException("TEST FAILED: " +
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// "server socket not closed");
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// }
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// }
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System.err.println("TEST PASSED");
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}
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private static void verifyPortFree(int port) throws IOException {
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ServerSocket ss = new ServerSocket(port);
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ss.close();
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System.err.println("- port " + port + " is free");
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}
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private static void verifyPortInUse(int port) throws IOException {
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try {
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verifyPortFree(port);
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throw new RuntimeException("port is not in use: " + port);
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} catch (BindException e) {
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System.err.println("- port " + port + " is in use");
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return;
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}
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}
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private static class SSF implements RMIServerSocketFactory {
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boolean serverSocketClosed = false;
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SSF() { };
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public ServerSocket createServerSocket(int port) throws IOException {
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return new SS(port);
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}
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private class SS extends ServerSocket {
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SS(int port) throws IOException {
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super(port);
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System.err.println("- created server socket: " + this);
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};
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public void close() throws IOException {
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synchronized (SSF.this) {
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serverSocketClosed = true;
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SSF.this.notifyAll();
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}
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System.err.println("- closing server socket: " + this);
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super.close();
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}
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}
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}
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}
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