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test/java/nio/channels/SocketChannel/VectorIO.java

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   1 /*
   2  * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  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  * @summary Test socketchannel vector IO
  26  * @library ..


  27  * @key randomness
  28  */
  29 
  30 import java.io.*;
  31 import java.net.*;
  32 import java.nio.*;
  33 import java.nio.channels.*;
  34 import java.util.*;
  35 
  36 
  37 public class VectorIO {
  38 
  39     static Random generator = new Random();
  40 
  41     static int testSize;
  42 
  43     public static void main(String[] args) throws Exception {
  44         testSize = 1;
  45         runTest();
  46         for(int i=15; i<18; i++) {
  47             testSize = i;
  48             runTest();
  49         }
  50     }
  51 
  52     static void runTest() throws Exception {
  53         System.err.println("Length " + testSize);
  54         Server sv = new Server(testSize);
  55         sv.start();
  56         bufferTest(sv.port());
  57         if (sv.finish(8000) == 0)
  58             throw new Exception("Failed: Length = " + testSize);
  59     }


  83         // Write the data out
  84         long rem = total;
  85         while (rem > 0L) {
  86             long bytesWritten = sc.write(bufs);
  87             if (bytesWritten == 0) {
  88                 if (sc.isBlocking())
  89                     throw new RuntimeException("write did not block");
  90                 Thread.sleep(50);
  91             } else {
  92                 rem -= bytesWritten;
  93             }
  94         }
  95 
  96         // Clean up
  97         sc.close();
  98     }
  99 
 100     static class Server
 101         extends TestThread
 102     {
 103         static Random generator = new Random();
 104 
 105         final int testSize;
 106         final ServerSocketChannel ssc;
 107 
 108         Server(int testSize) throws IOException {
 109             super("Server " + testSize);
 110             this.testSize = testSize;
 111             this.ssc = ServerSocketChannel.open().bind(new InetSocketAddress(0));
 112         }
 113 
 114         int port() {
 115             return ssc.socket().getLocalPort();
 116         }
 117 
 118         void go() throws Exception {
 119             bufferTest();
 120         }
 121 
 122         void bufferTest() throws Exception {
 123             long total = 0L;
 124             ByteBuffer[] bufs = new ByteBuffer[testSize];


   1 /*
   2  * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  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  * @summary Test socketchannel vector IO (use -Dseed=X to set PRNG seed)
  26  * @library .. /lib/testlibrary/
  27  * @build jdk.testlibrary.RandomFactory
  28  * @run main VectorIO
  29  * @key randomness
  30  */
  31 
  32 import java.io.*;
  33 import java.net.*;
  34 import java.nio.*;
  35 import java.nio.channels.*;
  36 import java.util.*;
  37 import jdk.testlibrary.RandomFactory;
  38 
  39 public class VectorIO {
  40 
  41     private static Random generator = RandomFactory.getRandom();
  42 
  43     static int testSize;
  44 
  45     public static void main(String[] args) throws Exception {
  46         testSize = 1;
  47         runTest();
  48         for(int i=15; i<18; i++) {
  49             testSize = i;
  50             runTest();
  51         }
  52     }
  53 
  54     static void runTest() throws Exception {
  55         System.err.println("Length " + testSize);
  56         Server sv = new Server(testSize);
  57         sv.start();
  58         bufferTest(sv.port());
  59         if (sv.finish(8000) == 0)
  60             throw new Exception("Failed: Length = " + testSize);
  61     }


  85         // Write the data out
  86         long rem = total;
  87         while (rem > 0L) {
  88             long bytesWritten = sc.write(bufs);
  89             if (bytesWritten == 0) {
  90                 if (sc.isBlocking())
  91                     throw new RuntimeException("write did not block");
  92                 Thread.sleep(50);
  93             } else {
  94                 rem -= bytesWritten;
  95             }
  96         }
  97 
  98         // Clean up
  99         sc.close();
 100     }
 101 
 102     static class Server
 103         extends TestThread
 104     {


 105         final int testSize;
 106         final ServerSocketChannel ssc;
 107 
 108         Server(int testSize) throws IOException {
 109             super("Server " + testSize);
 110             this.testSize = testSize;
 111             this.ssc = ServerSocketChannel.open().bind(new InetSocketAddress(0));
 112         }
 113 
 114         int port() {
 115             return ssc.socket().getLocalPort();
 116         }
 117 
 118         void go() throws Exception {
 119             bufferTest();
 120         }
 121 
 122         void bufferTest() throws Exception {
 123             long total = 0L;
 124             ByteBuffer[] bufs = new ByteBuffer[testSize];


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