/*
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* 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.
*
* 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
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* questions.
*/
/* @test
* @bug 4457683
* @summary After all of the remote objects (including a registry, if
* applicable) that had been exported with a given
* RMIServerSocketFactory value (including null) have been unexported,
* the server socket created for the exports should be closed (so that
* the local port is released).
* @author Peter Jones
*
* @library ../../testlibrary
* @build TestLibrary
* @run main/othervm CloseServerSocket
*/
import java.io.IOException;
import java.net.BindException;
import java.net.ServerSocket;
import java.rmi.Remote;
import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;
import java.rmi.server.RMIServerSocketFactory;
import java.rmi.server.UnicastRemoteObject;
public class CloseServerSocket implements Remote {
private static final int PORT = TestLibrary.getUnusedRandomPort();
private CloseServerSocket() { }
public static void main(String[] args) throws Exception {
System.err.println("\nRegression test for bug 4457683\n");
verifyPortFree(PORT);
Registry registry = LocateRegistry.createRegistry(PORT);
System.err.println("- exported registry: " + registry);
verifyPortInUse(PORT);
UnicastRemoteObject.unexportObject(registry, true);
System.err.println("- unexported registry");
Thread.sleep(1); // work around BindException (bug?)
verifyPortFree(PORT);
/*
* The follow portion of this test is disabled temporarily
* because 4457683 was partially backed out because of
* 6269166; for now, only server sockets originally opened for
* exports on non-anonymous ports will be closed when all of
* the corresponding remote objects have been exported. A
* separate bug will be filed to represent the remainder of
* 4457683 for anonymous-port exports.
*/
// SSF ssf = new SSF();
// Remote impl = new CloseServerSocket();
// Remote stub = UnicastRemoteObject.exportObject(impl, 0, null, ssf);
// System.err.println("- exported object: " + stub);
// UnicastRemoteObject.unexportObject(impl, true);
// System.err.println("- unexported object");
// synchronized (ssf) {
// if (!ssf.serverSocketClosed) {
// throw new RuntimeException("TEST FAILED: " +
// "server socket not closed");
// }
// }
System.err.println("TEST PASSED");
}
private static void verifyPortFree(int port) throws IOException {
ServerSocket ss = new ServerSocket(port);
ss.close();
System.err.println("- port " + port + " is free");
}
private static void verifyPortInUse(int port) throws IOException {
try {
verifyPortFree(port);
} catch (BindException e) {
System.err.println("- port " + port + " is in use");
return;
}
}
private static class SSF implements RMIServerSocketFactory {
boolean serverSocketClosed = false;
SSF() { };
public ServerSocket createServerSocket(int port) throws IOException {
return new SS(port);
}
private class SS extends ServerSocket {
SS(int port) throws IOException {
super(port);
System.err.println("- created server socket: " + this);
};
public void close() throws IOException {
synchronized (SSF.this) {
serverSocketClosed = true;
SSF.this.notifyAll();
}
System.err.println("- closing server socket: " + this);
super.close();
}
}
}
}