285 lines
10 KiB
Java
285 lines
10 KiB
Java
/*
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* Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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* @bug 4927640
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* @summary Tests the SCTP protocol implementation
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* @author chegar
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*/
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import java.net.InetSocketAddress;
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import java.net.SocketAddress;
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import java.io.IOException;
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import java.util.concurrent.CountDownLatch;
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import java.nio.ByteBuffer;
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import java.nio.channels.ClosedChannelException;
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import java.nio.channels.NotYetConnectedException;
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import com.sun.nio.sctp.AbstractNotificationHandler;
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import com.sun.nio.sctp.HandlerResult;
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import com.sun.nio.sctp.MessageInfo;
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import com.sun.nio.sctp.SctpChannel;
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import com.sun.nio.sctp.SctpServerChannel;
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import com.sun.nio.sctp.ShutdownNotification;
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import static java.lang.System.out;
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import static java.lang.System.err;
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public class Shutdown {
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static CountDownLatch finishedLatch = new CountDownLatch(1);
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static CountDownLatch sentLatch = new CountDownLatch(1);
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void test(String[] args) {
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SocketAddress address = null;
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ShutdownServer server = null;
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if (!Util.isSCTPSupported()) {
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out.println("SCTP protocol is not supported");
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out.println("Test cannot be run");
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return;
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}
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if (args.length == 2) {
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/* requested to connecct to a specific address */
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try {
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int port = Integer.valueOf(args[1]);
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address = new InetSocketAddress(args[0], port);
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} catch (NumberFormatException nfe) {
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err.println(nfe);
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}
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} else {
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/* start server on local machine, default */
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try {
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server = new ShutdownServer();
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server.start();
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address = server.address();
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debug("Server started and listening on " + address);
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} catch (IOException ioe) {
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ioe.printStackTrace();
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return;
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}
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}
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doTest(address);
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}
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void doTest(SocketAddress peerAddress) {
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SctpChannel channel = null;
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ByteBuffer buffer = ByteBuffer.allocate(Util.SMALL_BUFFER);
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MessageInfo info;
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try {
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channel = SctpChannel.open();
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/* TEST 1: Verify NotYetConnectedException thrown */
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debug("Test 1: NotYetConnectedException");
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try {
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channel.shutdown();
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fail("shutdown not throwing expected NotYetConnectedException");
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} catch (NotYetConnectedException unused) {
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pass();
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} catch (IOException ioe) {
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unexpected(ioe);
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}
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channel.connect(peerAddress);
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sentLatch.await();
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channel.shutdown();
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/* TEST 2: receive data sent before shutdown */
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do {
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debug("Test 2: invoking receive");
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info = channel.receive(buffer, null, null);
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if (info == null) {
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fail("unexpected null from receive");
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return;
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}
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} while (!info.isComplete());
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buffer.flip();
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check(info != null, "info is null");
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check(info.bytes() == Util.SMALL_MESSAGE.getBytes("ISO-8859-1").
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length, "bytes received not equal to message length");
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check(info.bytes() == buffer.remaining(), "bytes != remaining");
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check(Util.compare(buffer, Util.SMALL_MESSAGE),
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"received message not the same as sent message");
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buffer.clear();
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/* TEST 3: receive notifications on the SCTP stack */
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debug("Test 3: receive notifications");
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while ((info = channel.receive(buffer, null, null )) != null &&
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info.bytes() != -1 );
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/* TEST 4: If the channel is already shutdown then invoking this
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* method has no effect. */
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debug("Test 4: no-op");
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try {
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channel.shutdown();
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pass();
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} catch (IOException ioe) {
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unexpected(ioe);
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}
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/* TEST 5: Further sends will throw ClosedChannelException */
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debug("Test 5: ClosedChannelException");
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info = MessageInfo.createOutgoing(null, 1);
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try {
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channel.send(buffer, info);
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fail("shutdown not throwing expected ClosedChannelException");
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} catch (ClosedChannelException unused) {
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pass();
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} catch (IOException ioe) {
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unexpected(ioe);
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}
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/* TEST 6: getRemoteAddresses */
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debug("Test 6: getRemoteAddresses");
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try {
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java.util.Set<SocketAddress> remoteAddrs = channel.getRemoteAddresses();
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check(remoteAddrs.isEmpty(),
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"A shutdown channel should not have remote addresses");
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} catch (IOException ioe) {
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unexpected(ioe);
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}
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} catch (IOException ioe) {
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unexpected(ioe);
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} catch (InterruptedException ie) {
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unexpected(ie);
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}finally {
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finishedLatch.countDown();
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try { if (channel != null) channel.close(); }
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catch (IOException e) { unexpected(e);}
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}
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}
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class ShutdownServer implements Runnable
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{
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final InetSocketAddress serverAddr;
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private SctpServerChannel ssc;
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public ShutdownServer() throws IOException {
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ssc = SctpServerChannel.open().bind(null);
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//serverAddr = (InetSocketAddress)(ssc.getAllLocalAddresses().iterator().next());
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java.util.Set<SocketAddress> addrs = ssc.getAllLocalAddresses();
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if (addrs.isEmpty())
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debug("addrs should not be empty");
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serverAddr = (InetSocketAddress) addrs.iterator().next();
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}
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public void start() {
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(new Thread(this, "ShutdownServer-" + serverAddr.getPort())).start();
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}
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public InetSocketAddress address() {
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return serverAddr;
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}
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@Override
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public void run() {
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SctpChannel sc = null;
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try {
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sc = ssc.accept();
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/* send a message */
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MessageInfo info = MessageInfo.createOutgoing(null, 1);
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ByteBuffer buf = ByteBuffer.allocateDirect(Util.SMALL_BUFFER);
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buf.put(Util.SMALL_MESSAGE.getBytes("ISO-8859-1"));
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buf.flip();
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sc.send(buf, info);
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/* notify client that the data has been sent */
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sentLatch.countDown();
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/* wait until after the client has finished its tests */
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finishedLatch.await();
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buf.clear();
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ShutdownNotificationHandler handler =
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new ShutdownNotificationHandler();
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BooleanWrapper bool = new BooleanWrapper();
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sc.configureBlocking(false);
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sc.receive(buf, bool, handler);
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check(bool.booleanValue(), "SHUTDOWN not received on Server");
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} catch (IOException ioe) {
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ioe.printStackTrace();
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} catch (InterruptedException ie) {
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ie.printStackTrace();
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} finally {
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try { if (ssc != null) ssc.close(); }
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catch (IOException ioe) { unexpected(ioe); }
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try { if (sc != null) sc.close(); }
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catch (IOException ioe) { unexpected(ioe); }
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}
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}
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}
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class BooleanWrapper {
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boolean bool;
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boolean booleanValue() {
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return bool;
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}
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void booleanValue(boolean value) {
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bool = value;
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}
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}
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class ShutdownNotificationHandler extends AbstractNotificationHandler<BooleanWrapper>
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{
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@Override
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public HandlerResult handleNotification(
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ShutdownNotification sn, BooleanWrapper bool)
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{
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bool.booleanValue(true);
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debug(sn.toString());
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return HandlerResult.RETURN;
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}
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}
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//--------------------- Infrastructure ---------------------------
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boolean debug = true;
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volatile int passed = 0, failed = 0;
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void pass() {passed++;}
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void fail() {failed++; Thread.dumpStack();}
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void fail(String msg) {System.err.println(msg); fail();}
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void unexpected(Throwable t) {failed++; t.printStackTrace();}
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void check(boolean cond) {if (cond) pass(); else fail();}
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void check(boolean cond, String failMessage) {if (cond) pass(); else fail(failMessage);}
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void debug(String message) {if(debug) { System.out.println(message); } }
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public static void main(String[] args) throws Throwable {
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Class<?> k = new Object(){}.getClass().getEnclosingClass();
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try {k.getMethod("instanceMain",String[].class)
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.invoke( k.newInstance(), (Object) args);}
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catch (Throwable e) {throw e.getCause();}}
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public void instanceMain(String[] args) throws Throwable {
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try {test(args);} catch (Throwable t) {unexpected(t);}
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System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
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if (failed > 0) throw new AssertionError("Some tests failed");}
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}
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