1 /*
   2  * Copyright (c) 2002, 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  * @bug 4505829
  26  * @summary Test ready for connect followed by ready for write
  27  * @library ..
  28  */
  29 
  30 import java.io.*;
  31 import java.net.*;
  32 import java.nio.*;
  33 import java.nio.channels.*;
  34 import java.util.*;
  35 import java.nio.channels.spi.SelectorProvider;
  36 
  37 public class ConnectWrite {
  38 
  39     public static void main(String[] args) throws Exception {
  40         test1(13);
  41     }
  42 
  43     public static void test1(int port) throws Exception {
  44         Selector selector = SelectorProvider.provider().openSelector();
  45         InetAddress myAddress=InetAddress.getByName(TestUtil.HOST);
  46         InetSocketAddress isa = new InetSocketAddress(myAddress, port);
  47         SocketChannel sc = SocketChannel.open();
  48         try {
  49             sc.configureBlocking(false);
  50             SelectionKey key = sc.register(selector, SelectionKey.OP_CONNECT);
  51             boolean result = sc.connect(isa);
  52 
  53             while (!result) {
  54                 int keysAdded = selector.select(1000);
  55                 if (keysAdded > 0) {
  56                     Set readyKeys = selector.selectedKeys();
  57                     Iterator i = readyKeys.iterator();
  58                     while (i.hasNext()) {
  59                         SelectionKey sk = (SelectionKey)i.next();
  60                         readyKeys.remove(sk);
  61                         SocketChannel nextReady = (SocketChannel)sk.channel();
  62                         result = nextReady.finishConnect();
  63                     }
  64                 }
  65             }
  66             if (key != null) {
  67                 key.interestOps(SelectionKey.OP_WRITE);
  68                 int keysAdded = selector.select(1000);
  69                 if (keysAdded <= 0)
  70                     throw new Exception("connect->write failed");
  71                 if (keysAdded > 0) {
  72                     Set readyKeys = selector.selectedKeys();
  73                     Iterator i = readyKeys.iterator();
  74                     while (i.hasNext()) {
  75                         SelectionKey sk = (SelectionKey)i.next();
  76                         if (!sk.isWritable())
  77                             throw new Exception("connect->write failed");
  78                     }
  79                 }
  80             }
  81         } finally {
  82             sc.close();
  83             selector.close();
  84         }
  85     }
  86 }