| /* |
| * Copyright (c) 2000, 2005, 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 4392195 |
| * @summary Infinite loop in sun.net.www.http.KeepAliveStream [due to skip()] |
| * @run main/othervm/timeout=30 KeepAliveStreamClose |
| */ |
| |
| import java.net.*; |
| import java.io.*; |
| |
| public class KeepAliveStreamClose { |
| static class XServer extends Thread { |
| ServerSocket srv; |
| Socket s; |
| InputStream is; |
| OutputStream os; |
| |
| XServer (ServerSocket s) { |
| srv = s; |
| } |
| |
| Socket getSocket () { |
| return (s); |
| } |
| |
| // simulated HTTP server response |
| static String response = "HTTP/1.1 200 OK\nDate: Thu, 07 Dec 2000 11:32:28 GMT\n"+ |
| "Server: Apache/1.3.6 (Unix)\nKeep-Alive: timeout=15, max=100\nConnection: Keep-Alive\n"+ |
| "Content-length: 255\nContent-Type: text/html\n\n"; |
| |
| public void run() { |
| try { |
| s = srv.accept (); |
| is = s.getInputStream (); |
| os = s.getOutputStream (); |
| // read the first ten bytes |
| for (int i=0; i<10; i++) { |
| is.read(); |
| } |
| os.write (response.getBytes()); |
| for (int i=0; i<255; i++) { |
| os.write ("X".getBytes()); |
| Thread.sleep (1000); |
| } |
| } catch (Exception e) { |
| } |
| } |
| } |
| |
| /* |
| * If the server closes the connection at the same time as the client |
| * does, then the client will hang (jdk1.3) because KeepAliveStream.skip |
| * is returning zero and the calling close() stays in a loop |
| */ |
| |
| public static void main (String[] args) { |
| try { |
| ServerSocket serversocket = new ServerSocket (0); |
| int port = serversocket.getLocalPort (); |
| XServer server = new XServer (serversocket); |
| server.start (); |
| URL url = new URL ("http://localhost:"+port); |
| URLConnection urlc = url.openConnection (); |
| InputStream is = urlc.getInputStream (); |
| int i=0, c; |
| while ((c=is.read())!= -1) { |
| i++; |
| if (i == 5) { |
| server.getSocket().close (); |
| is.close(); |
| break; |
| } |
| } |
| } catch (Exception e) { |
| e.printStackTrace(); |
| throw new RuntimeException ("Unexpected exception"); |
| } |
| } |
| } |