test/java/rmi/transport/pinClientSocketFactory/PinClientSocketFactory.java

Print this page




  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 4486732
  26  * @summary When a remote stub contains a client socket factory and a
  27  * remote invocation is made using that stub, the factory should not
  28  * be held strongly reachable by the RMI implementation forever; in
  29  * particular, after the stub has become unreachable and all
  30  * connections to its endpoint have been closed, then the factory
  31  * should become unreachable too (through the RMI implementation).
  32  * @author Peter Jones
  33  *


  34  * @run main/othervm -Dsun.rmi.transport.connectionTimeout=2000
  35  *     PinClientSocketFactory
  36  */
  37 
  38 import java.io.IOException;
  39 import java.io.ObjectInputStream;
  40 import java.io.Serializable;
  41 import java.lang.ref.Reference;
  42 import java.lang.ref.WeakReference;
  43 import java.net.ServerSocket;
  44 import java.net.Socket;
  45 import java.rmi.Remote;
  46 import java.rmi.RemoteException;
  47 import java.rmi.registry.LocateRegistry;
  48 import java.rmi.registry.Registry;
  49 import java.rmi.server.RMIClientSocketFactory;
  50 import java.rmi.server.RMIServerSocketFactory;
  51 import java.rmi.server.UnicastRemoteObject;
  52 import java.util.ArrayList;
  53 import java.util.Collections;
  54 import java.util.List;
  55 import java.util.concurrent.atomic.AtomicInteger;
  56 
  57 public class PinClientSocketFactory {
  58 
  59     private static final int PORT = 2345;
  60     private static final int SESSIONS = 50;
  61 
  62     public interface Factory extends Remote {
  63         Session getSession() throws RemoteException;
  64     }
  65 
  66     public interface Session extends Remote {
  67         void ping() throws RemoteException;
  68     }
  69 
  70     private static class FactoryImpl implements Factory {
  71         FactoryImpl() { }
  72         public Session getSession() throws RemoteException {
  73             Session impl = new SessionImpl();
  74             UnicastRemoteObject.exportObject(impl, 0, new CSF(), new SSF());
  75             // return impl instead of stub to work around 4114579
  76             return impl;
  77         }
  78     }
  79 




  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 4486732
  26  * @summary When a remote stub contains a client socket factory and a
  27  * remote invocation is made using that stub, the factory should not
  28  * be held strongly reachable by the RMI implementation forever; in
  29  * particular, after the stub has become unreachable and all
  30  * connections to its endpoint have been closed, then the factory
  31  * should become unreachable too (through the RMI implementation).
  32  * @author Peter Jones
  33  *
  34  * @library ../../testlibrary
  35  * @build TestLibrary
  36  * @run main/othervm -Dsun.rmi.transport.connectionTimeout=2000
  37  *     PinClientSocketFactory
  38  */
  39 
  40 import java.io.IOException;
  41 import java.io.ObjectInputStream;
  42 import java.io.Serializable;
  43 import java.lang.ref.Reference;
  44 import java.lang.ref.WeakReference;
  45 import java.net.ServerSocket;
  46 import java.net.Socket;
  47 import java.rmi.Remote;
  48 import java.rmi.RemoteException;
  49 import java.rmi.registry.LocateRegistry;
  50 import java.rmi.registry.Registry;
  51 import java.rmi.server.RMIClientSocketFactory;
  52 import java.rmi.server.RMIServerSocketFactory;
  53 import java.rmi.server.UnicastRemoteObject;
  54 import java.util.ArrayList;
  55 import java.util.Collections;
  56 import java.util.List;
  57 import java.util.concurrent.atomic.AtomicInteger;
  58 
  59 public class PinClientSocketFactory {
  60 
  61     private static final int PORT = TestLibrary.getUnusedRandomPort();
  62     private static final int SESSIONS = 50;
  63 
  64     public interface Factory extends Remote {
  65         Session getSession() throws RemoteException;
  66     }
  67 
  68     public interface Session extends Remote {
  69         void ping() throws RemoteException;
  70     }
  71 
  72     private static class FactoryImpl implements Factory {
  73         FactoryImpl() { }
  74         public Session getSession() throws RemoteException {
  75             Session impl = new SessionImpl();
  76             UnicastRemoteObject.exportObject(impl, 0, new CSF(), new SSF());
  77             // return impl instead of stub to work around 4114579
  78             return impl;
  79         }
  80     }
  81