1 /*
   2  * Copyright (c) 2002, 2012, 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.net.*;
  31 import java.nio.channels.*;
  32 import java.nio.channels.spi.SelectorProvider;
  33 import java.util.*;
  34 
  35 public class ConnectWrite {
  36 
  37     public static void main(String[] args) throws Exception {
  38         try (TestUtil.DayTimeServer daytimeServer =
  39                         TestUtil.DayTimeServer.startNewServer(25)) {
  40             test1(daytimeServer);
  41         }
  42     }
  43 
  44     static void test1(TestUtil.DayTimeServer daytimeServer) throws Exception {
  45         Selector selector = SelectorProvider.provider().openSelector();
  46         InetAddress myAddress = daytimeServer.getAddress();
  47         InetSocketAddress isa =
  48                 new InetSocketAddress(myAddress, daytimeServer.getPort());
  49         SocketChannel sc = SocketChannel.open();
  50         try {
  51             sc.configureBlocking(false);
  52             SelectionKey key = sc.register(selector, SelectionKey.OP_CONNECT);
  53             boolean result = sc.connect(isa);
  54 
  55             while (!result) {
  56                 int keysAdded = selector.select(1000);
  57                 if (keysAdded > 0) {
  58                     Set readyKeys = selector.selectedKeys();
  59                     Iterator i = readyKeys.iterator();
  60                     while (i.hasNext()) {
  61                         SelectionKey sk = (SelectionKey)i.next();
  62                         readyKeys.remove(sk);
  63                         SocketChannel nextReady = (SocketChannel)sk.channel();
  64                         result = nextReady.finishConnect();
  65                     }
  66                 }
  67             }
  68             if (key != null) {
  69                 key.interestOps(SelectionKey.OP_WRITE);
  70                 int keysAdded = selector.select(1000);
  71                 if (keysAdded <= 0)
  72                     throw new Exception("connect->write failed");
  73                 if (keysAdded > 0) {
  74                     Set readyKeys = selector.selectedKeys();
  75                     Iterator i = readyKeys.iterator();
  76                     while (i.hasNext()) {
  77                         SelectionKey sk = (SelectionKey)i.next();
  78                         if (!sk.isWritable())
  79                             throw new Exception("connect->write failed");
  80                     }
  81                 }
  82             }
  83         } finally {
  84             sc.close();
  85             selector.close();
  86         }
  87     }
  88 }