| /* |
| * Copyright (c) 2015, 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 8071599 |
| * @run main/othervm SendUrgentData |
| * @run main/othervm SendUrgentData -inline |
| * @summary Test sending of urgent data. |
| */ |
| |
| import java.io.IOException; |
| import java.net.InetSocketAddress; |
| import java.net.SocketAddress; |
| import java.net.SocketException; |
| import java.nio.ByteBuffer; |
| import java.nio.channels.ServerSocketChannel; |
| import java.nio.channels.SocketChannel; |
| |
| public class SendUrgentData { |
| |
| /** |
| * The arguments may be one of the following: |
| * <ol> |
| * <li>-server</li> |
| * <li>-client host port [-inline]</li> |
| * <li>[-inline]</li> |
| * </ol> |
| * The first option creates a standalone server, the second a standalone |
| * client, and the third a self-contained server-client pair on the |
| * local host. |
| * |
| * @param args |
| * @throws Exception |
| */ |
| public static void main(String[] args) throws Exception { |
| |
| ServerSocketChannelThread serverThread |
| = new ServerSocketChannelThread("SendUrgentDataServer"); |
| serverThread.start(); |
| boolean b = serverThread.isAlive(); |
| |
| String host = null; |
| int port = 0; |
| boolean inline = false; |
| if (args.length > 0 && args[0].equals("-server")) { |
| System.out.println(serverThread.getAddress()); |
| Thread.currentThread().suspend(); |
| } else { |
| if (args.length > 0 && args[0].equals("-client")) { |
| host = args[1]; |
| port = Integer.parseInt(args[2]); |
| if (args.length > 3) { |
| inline = args[2].equals("-inline"); |
| } |
| } else { |
| host = "localhost"; |
| port = serverThread.getAddress().getPort(); |
| if (args.length > 0) { |
| inline = args[0].equals("-inline"); |
| } |
| } |
| } |
| |
| System.out.println("OOB Inline : "+inline); |
| |
| SocketAddress sa = new InetSocketAddress(host, port); |
| |
| try (SocketChannel sc = SocketChannel.open(sa)) { |
| sc.configureBlocking(false); |
| sc.socket().setOOBInline(inline); |
| |
| sc.socket().sendUrgentData(0); |
| System.out.println("wrote 1 OOB byte"); |
| |
| ByteBuffer bb = ByteBuffer.wrap(new byte[100 * 1000]); |
| |
| int blocked = 0; |
| long total = 0; |
| |
| int n; |
| do { |
| n = sc.write(bb); |
| if (n == 0) { |
| System.out.println("blocked, wrote " + total + " so far"); |
| if (++blocked == 10) { |
| break; |
| } |
| Thread.sleep(100); |
| } else { |
| total += n; |
| bb.rewind(); |
| } |
| } while (n > 0); |
| |
| long attempted = 0; |
| while (attempted < total) { |
| bb.rewind(); |
| n = sc.write(bb); |
| System.out.println("wrote " + n + " normal bytes"); |
| attempted += bb.capacity(); |
| |
| String osName = System.getProperty("os.name").toLowerCase(); |
| |
| try { |
| sc.socket().sendUrgentData(0); |
| } catch (IOException ex) { |
| if (osName.contains("linux")) { |
| if (!ex.getMessage().contains("Socket buffer full")) { |
| throw new RuntimeException("Unexpected message", ex); |
| } |
| } else if (osName.contains("os x") || osName.contains("mac")) { |
| if (!ex.getMessage().equals("No buffer space available")) { |
| throw new RuntimeException("Unexpected message", ex); |
| } |
| } else if (osName.contains("windows")) { |
| if (!(ex instanceof SocketException)) { |
| throw new RuntimeException("Unexpected exception", ex); |
| } else if (!ex.getMessage().contains("Resource temporarily unavailable")) { |
| throw new RuntimeException("Unexpected message", ex); |
| } |
| } else { |
| throw new RuntimeException("Unexpected IOException", ex); |
| } |
| } |
| |
| try { |
| Thread.sleep(100); |
| } catch (InterruptedException ex) { |
| // don't want to fail on this so just print trace and break |
| ex.printStackTrace(); |
| break; |
| } |
| } |
| } finally { |
| serverThread.close(); |
| } |
| } |
| |
| static class ServerSocketChannelThread extends Thread { |
| |
| private ServerSocketChannel ssc; |
| |
| private ServerSocketChannelThread(String name) { |
| super(name); |
| try { |
| ssc = ServerSocketChannel.open(); |
| ssc.bind(new InetSocketAddress((0))); |
| } catch (IOException ex) { |
| throw new RuntimeException(ex); |
| } |
| } |
| |
| public void run() { |
| while (ssc.isOpen()) { |
| try { |
| Thread.sleep(100); |
| } catch (InterruptedException ex) { |
| throw new RuntimeException(ex); |
| } |
| } |
| try { |
| ssc.close(); |
| } catch (IOException ex) { |
| throw new RuntimeException(ex); |
| } |
| System.out.println("ServerSocketChannelThread exiting ..."); |
| } |
| |
| public InetSocketAddress getAddress() throws IOException { |
| if (ssc == null) { |
| throw new IllegalStateException("ServerSocketChannel not created"); |
| } |
| |
| return (InetSocketAddress) ssc.getLocalAddress(); |
| } |
| |
| public void close() { |
| try { |
| ssc.close(); |
| } catch (IOException ex) { |
| throw new RuntimeException(ex); |
| } |
| } |
| } |
| } |