0N/A/*
3261N/A * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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0N/A */
0N/A
0N/A/* @test
0N/A * @bug 4755720
0N/A * @summary Test if OP_READ is detected with OP_WRITE in interestOps
0N/A */
0N/A
0N/Aimport java.net.*;
0N/Aimport java.nio.*;
0N/Aimport java.nio.channels.*;
0N/Aimport java.util.*;
0N/A
0N/Apublic class OpRead {
0N/A
2480N/A static void test() throws Exception {
2480N/A ServerSocketChannel ssc = null;
2480N/A SocketChannel sc = null;
2480N/A SocketChannel peer = null;
2480N/A try {
2480N/A ssc = ServerSocketChannel.open().bind(new InetSocketAddress(0));
0N/A
2480N/A // loopback connection
2480N/A InetAddress lh = InetAddress.getLocalHost();
2480N/A sc = SocketChannel.open(new InetSocketAddress(lh, ssc.socket().getLocalPort()));
2480N/A peer = ssc.accept();
0N/A
2480N/A // peer sends message so that "sc" will be readable
2480N/A int n = peer.write(ByteBuffer.wrap("Hello".getBytes()));
2480N/A assert n > 0;
0N/A
2480N/A sc.configureBlocking(false);
0N/A
2480N/A Selector selector = Selector.open();
2480N/A SelectionKey key = sc.register(selector, SelectionKey.OP_READ |
2480N/A SelectionKey.OP_WRITE);
2480N/A
2480N/A boolean done = false;
2480N/A int failCount = 0;
2480N/A while (!done) {
5020N/A int nSelected = selector.select();
5020N/A if (nSelected > 0) {
5020N/A if (nSelected > 1)
5020N/A throw new RuntimeException("More than one channel selected");
2480N/A Set<SelectionKey> keys = selector.selectedKeys();
2480N/A Iterator<SelectionKey> iterator = keys.iterator();
2480N/A while (iterator.hasNext()) {
2480N/A key = iterator.next();
2480N/A iterator.remove();
2480N/A if (key.isWritable()) {
2480N/A failCount++;
2480N/A if (failCount > 10)
2480N/A throw new RuntimeException("Test failed");
2480N/A Thread.sleep(250);
2480N/A }
2480N/A if (key.isReadable()) {
2480N/A done = true;
2480N/A }
0N/A }
0N/A }
0N/A }
2480N/A } finally {
2480N/A if (peer != null) peer.close();
2480N/A if (sc != null) sc.close();
2480N/A if (ssc != null) ssc.close();
0N/A }
0N/A }
0N/A
0N/A public static void main(String[] args) throws Exception {
0N/A test();
0N/A }
0N/A
0N/A}