| /* |
| * Copyright (c) 1999, 2008, Oracle and/or its affiliates. All rights reserved. |
| * 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 |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* @test |
| * @bug 4208804 |
| * |
| * @summary Incoming connections should be subject to timeout |
| * @author Adrian Colley |
| * |
| * @build TestIface TestImpl TestImpl_Stub |
| * @run main/othervm/policy=security.policy/timeout=60 |
| * -Dsun.rmi.transport.tcp.readTimeout=5000 ReadTimeoutTest |
| */ |
| |
| /* This test sets a very short read timeout, exports an object, and then |
| * connects to the port and does nothing. The server should close the |
| * connection after the timeout. If that doesn't happen, the test fails. |
| * |
| * A background thread does the read. The foreground waits for DELAY*4 |
| * and then aborts. This should give sufficient margin for timing slop. |
| */ |
| |
| import java.rmi.*; |
| import java.rmi.server.RMISocketFactory; |
| import java.io.*; |
| import java.net.*; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| public class ReadTimeoutTest |
| { |
| private static final int DELAY = 5000; // milliseconds |
| |
| public static void main(String[] args) |
| throws Exception |
| { |
| // Make trouble for ourselves |
| if (System.getSecurityManager() == null) |
| System.setSecurityManager(new RMISecurityManager()); |
| |
| // Flaky code alert - hope this is executed before TCPTransport.<clinit> |
| System.setProperty("sun.rmi.transport.tcp.readTimeout", Integer.toString(DELAY)); |
| |
| // Set the socket factory. |
| System.err.println("(installing socket factory)"); |
| SomeFactory fac = new SomeFactory(); |
| RMISocketFactory.setSocketFactory(fac); |
| |
| // Create remote object |
| TestImpl impl = new TestImpl(); |
| |
| // Export and get which port. |
| System.err.println("(exporting remote object)"); |
| TestIface stub = impl.export(); |
| Socket DoS = null; |
| try { |
| int port = fac.whichPort(); |
| |
| // Sanity |
| if (port == 0) |
| throw new Error("TEST FAILED: export didn't reserve a port(?)"); |
| |
| // Now, connect to that port |
| //Thread.sleep(2000); |
| System.err.println("(connecting to listening port on 127.0.0.1:" + |
| port + ")"); |
| DoS = new Socket("127.0.0.1", port); |
| InputStream stream = DoS.getInputStream(); |
| |
| // Read on the socket in the background |
| CountDownLatch done = new CountDownLatch(1); |
| (new SomeReader(stream, done)).start(); |
| |
| // Wait for completion |
| if (done.await(DELAY * 4, TimeUnit.SECONDS)) { |
| System.err.println("TEST PASSED."); |
| } else { |
| throw new Error("TEST FAILED."); |
| } |
| |
| } catch (InterruptedException ie) { |
| throw new Error("Unexpected interrupt", ie); |
| } finally { |
| try { |
| if (DoS != null) |
| DoS.close(); // aborts the reader if still blocked |
| impl.unexport(); |
| } catch (Throwable unmatter) { |
| } |
| } |
| |
| // Should exit here |
| } |
| |
| private static class SomeFactory |
| extends RMISocketFactory |
| { |
| private int servport = 0; |
| |
| @Override |
| public Socket createSocket(String h, int p) |
| throws IOException |
| { |
| return (new Socket(h, p)); |
| } |
| |
| /** Create a server socket and remember which port it's on. |
| * Aborts if createServerSocket(0) is called twice, because then |
| * it doesn't know whether to remember the first or second port. |
| */ |
| @Override |
| public ServerSocket createServerSocket(int p) |
| throws IOException |
| { |
| ServerSocket ss; |
| ss = new ServerSocket(p); |
| if (p == 0) { |
| if (servport != 0) { |
| System.err.println("TEST FAILED: " + |
| "Duplicate createServerSocket(0)"); |
| throw new Error("Test aborted (createServerSocket)"); |
| } |
| servport = ss.getLocalPort(); |
| } |
| return (ss); |
| } |
| |
| /** Return which port was reserved by createServerSocket(0). |
| * If the return value was 0, createServerSocket(0) wasn't called. |
| */ |
| public int whichPort() { |
| return (servport); |
| } |
| } // end class SomeFactory |
| |
| protected static class SomeReader extends Thread { |
| private final InputStream readon; |
| private final CountDownLatch done; |
| |
| public SomeReader(InputStream s, CountDownLatch done) { |
| super(); |
| this.setDaemon(true); |
| this.readon = s; |
| this.done = done; |
| } |
| |
| @Override |
| public void run() { |
| try { |
| int c = this.readon.read(); |
| if (c != -1) |
| throw new Error ("Server returned " + c); |
| done.countDown(); |
| |
| } catch (IOException e) { |
| e.printStackTrace(); |
| } |
| } |
| } // end class SomeReader |
| } |