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 * Copyright (c) 2011, 2013, 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
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 * questions.
 */

/**
 @test
 @summary com.apple.junit.java.nio.Selector
 @library ../../regtesthelpers
 @run main SelectorKqueueTest
 */

import junit.framework.*;

import java.io.IOException;
import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import java.nio.channels.*;
import java.util.Iterator;

public class SelectorKqueueTest extends TestCase
{
public static final boolean DEBUG =false;
public static final intPORT=1234;

private Pipesignal;
private Threadlistener;
private volatile booleanrunning;

    public static Test suite() {
        return new TestSuite( SelectorKqueueTest.class);
    }

    public static void main( String[] args ) {
        junit.textui.TestRunner.run( suite() );
    }

    public void testSelector() {
SelectorKqueueTesttest;

try {
test=new SelectorKqueueTest();
test.start();
Thread.sleep(3000);
test.stop();
        }
catch( Throwable x ) {
x.printStackTrace(System.err);
        }
}

public SelectorKqueueTest() {
super();
signal=null;
listener=null;
running=false;
}

public void start() throws IOException {
if (DEBUG) {System.out.println("start");};

running=true;

signal=Pipe.open();
signal.source().configureBlocking(false);

listener=new Thread() {
public void run() {
try {
listen();
                }
catch( Throwable x ) {
x.printStackTrace(System.err);
                }
            }
        };
listener.setPriority(Thread.NORM_PRIORITY);
listener.setDaemon(true);
listener.start();
}

public void stop() throws IOException, InterruptedException {
if (DEBUG) {System.out.println("stop");};

running=false;
signal();
listener.join();

signal.sink().close();
signal.source().close();
}

protected void listen() throws IOException {
ServerSocketChannelserver;
Selectorselector;
SelectionKeykey;
Iteratoriter;
intret;

if (DEBUG) {System.out.println("start listening");};

selector=Selector.open();

server=ServerSocketChannel.open();
server.configureBlocking(false);
server.socket().setReuseAddress(true);
server.socket().bind(new InetSocketAddress(PORT),5);

while (running) {
server.register(selector,SelectionKey.OP_ACCEPT);
signal.source().register(selector,SelectionKey.OP_READ);

ret=selector.select();
if (DEBUG) {System.out.println("got #"+ret);};

iter=selector.selectedKeys().iterator();
while (iter.hasNext()) {
key=(SelectionKey) iter.next();
iter.remove();

if (key.isValid() && key.isAcceptable()) {
if (DEBUG) {System.out.println(" accept");};
                }

if (key.isValid() && key.isReadable()) {
if (DEBUG) {System.out.println(" read");};
                }

if (key.isValid() && key.isWritable()) {
if (DEBUG) {System.out.println(" write");};
                }
            }
        }

server.close();
selector.close();

if (DEBUG) {System.out.println("stop listening");};
}

protected void signal() throws IOException {
byte[]dummy = new byte[] { (byte) 0 };

//System.out.println("signal server");
signal.sink().write(ByteBuffer.wrap(dummy));
}
}