365 lines
15 KiB
Java
365 lines
15 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 6863110
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* @summary Newly connected/accepted SctpChannel should fire OP_READ if registered with a Selector
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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.Iterator;
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import java.util.Set;
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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.Selector;
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import java.nio.channels.SelectionKey;
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import com.sun.nio.sctp.AbstractNotificationHandler;
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import com.sun.nio.sctp.AssociationChangeNotification;
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import com.sun.nio.sctp.AssociationChangeNotification.AssocChangeEvent;
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import com.sun.nio.sctp.HandlerResult;
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import com.sun.nio.sctp.Notification;
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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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import static java.nio.channels.SelectionKey.OP_CONNECT;
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import static java.nio.channels.SelectionKey.OP_READ;
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public class CommUp {
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static CountDownLatch acceptLatch = new CountDownLatch(1);
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static final int TIMEOUT = 10000;
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CommUpNotificationHandler clientHandler = new CommUpNotificationHandler();
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CommUpNotificationHandler serverHandler = new CommUpNotificationHandler();
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CommUpServer server;
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Thread clientThread;
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void test(String[] args) {
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SocketAddress address = 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 CommUpServer();
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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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/* store the main thread so that the server can interrupt it, if necessary */
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clientThread = Thread.currentThread();
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doClient(address);
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}
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void doClient(SocketAddress peerAddress) {
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SctpChannel sc = null;
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try {
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debug("connecting to " + peerAddress);
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sc = SctpChannel.open();
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sc.configureBlocking(false);
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check(sc.isBlocking() == false, "Should be in non-blocking mode");
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sc.connect(peerAddress);
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Selector selector = Selector.open();
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SelectionKey selectiontKey = sc.register(selector, OP_CONNECT);
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/* Expect two interest Ops */
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boolean opConnectReceived = false;
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boolean opReadReceived = false;
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for (int z=0; z<2; z++) {
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debug("select " + z);
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int keysAdded = selector.select(TIMEOUT);
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debug("returned " + keysAdded + " keys");
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if (keysAdded > 0) {
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Set<SelectionKey> keys = selector.selectedKeys();
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Iterator<SelectionKey> i = keys.iterator();
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while(i.hasNext()) {
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SelectionKey sk = i.next();
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i.remove();
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SctpChannel readyChannel =
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(SctpChannel)sk.channel();
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/* OP_CONNECT */
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if (sk.isConnectable()) {
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/* some trivial checks */
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check(opConnectReceived == false,
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"should only received one OP_CONNECT");
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check(opReadReceived == false,
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"should not receive OP_READ before OP_CONNECT");
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check(readyChannel.equals(sc),
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"channels should be equal");
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check(!sk.isAcceptable(),
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"key should not be acceptable");
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check(!sk.isReadable(),
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"key should not be readable");
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check(!sk.isWritable(),
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"key should not be writable");
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/* now process the OP_CONNECT */
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opConnectReceived = true;
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check((sk.interestOps() & OP_CONNECT) == OP_CONNECT,
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"selection key interest ops should contain OP_CONNECT");
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sk.interestOps(OP_READ);
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check((sk.interestOps() & OP_CONNECT) != OP_CONNECT,
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"selection key interest ops should not contain OP_CONNECT");
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check(sc.finishConnect(),
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"finishConnect should return true");
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} /* OP_READ */
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else if (sk.isReadable()) {
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/* some trivial checks */
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check(opConnectReceived == true,
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"should receive one OP_CONNECT before OP_READ");
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check(opReadReceived == false,
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"should not receive OP_READ before OP_CONNECT");
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check(readyChannel.equals(sc),
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"channels should be equal");
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check(!sk.isAcceptable(),
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"key should not be acceptable");
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check(sk.isReadable(),
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"key should be readable");
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check(!sk.isWritable(),
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"key should not be writable");
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check(!sk.isConnectable(),
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"key should not be connectable");
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/* now process the OP_READ */
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opReadReceived = true;
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selectiontKey.cancel();
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/* try with small buffer to see if native
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* implementation can handle this */
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ByteBuffer buffer = ByteBuffer.allocateDirect(1);
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readyChannel.receive(buffer, null, clientHandler);
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check(clientHandler.receivedCommUp(),
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"Client should have received COMM_UP");
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/* dont close (or put anything on) the channel until
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* we check that the server's accepted channel also
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* received COMM_UP */
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serverHandler.waitForCommUp();
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} else {
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fail("Unexpected selection key");
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}
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}
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} else {
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fail("Client selector returned 0 ready keys");
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/* stop the server */
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server.thread().interrupt();
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}
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} //for
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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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}
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}
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class CommUpServer implements Runnable
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{
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final InetSocketAddress serverAddr;
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private SctpServerChannel ssc;
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private Thread serverThread;
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public CommUpServer() throws IOException {
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ssc = SctpServerChannel.open().bind(null);
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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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void start() {
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serverThread = new Thread(this, "CommUpServer-" +
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serverAddr.getPort());
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serverThread.start();
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}
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InetSocketAddress address () {
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return serverAddr;
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}
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Thread thread() {
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return serverThread;
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}
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@Override
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public void run() {
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Selector selector = null;
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SctpChannel sc = null;
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SelectionKey readKey = null;
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try {
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sc = ssc.accept();
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debug("accepted " + sc);
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selector = Selector.open();
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sc.configureBlocking(false);
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check(sc.isBlocking() == false, "Should be in non-blocking mode");
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readKey = sc.register(selector, SelectionKey.OP_READ);
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debug("select");
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int keysAdded = selector.select(TIMEOUT);
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debug("returned " + keysAdded + " keys");
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if (keysAdded > 0) {
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Set<SelectionKey> keys = selector.selectedKeys();
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Iterator<SelectionKey> i = keys.iterator();
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while(i.hasNext()) {
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SelectionKey sk = i.next();
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i.remove();
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SctpChannel readyChannel =
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(SctpChannel)sk.channel();
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check(readyChannel.equals(sc),
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"channels should be equal");
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check(!sk.isAcceptable(),
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"key should not be acceptable");
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check(sk.isReadable(),
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"key should be readable");
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check(!sk.isWritable(),
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"key should not be writable");
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check(!sk.isConnectable(),
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"key should not be connectable");
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/* block until we check if the client has received its COMM_UP*/
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clientHandler.waitForCommUp();
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ByteBuffer buffer = ByteBuffer.allocateDirect(1);
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sc.receive(buffer, null, serverHandler);
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check(serverHandler.receivedCommUp(),
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"Accepted channel should have received COMM_UP");
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}
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} else {
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fail("Server selector returned 0 ready keys");
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/* stop the client */
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clientThread.interrupt();
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}
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} catch (IOException ioe) {
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ioe.printStackTrace();
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} catch (InterruptedException unused) {
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} finally {
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if (readKey != null) readKey.cancel();
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try { if (selector != null) selector.close(); }
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catch (IOException ioe) { unexpected(ioe); }
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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 CommUpNotificationHandler extends AbstractNotificationHandler<Object>
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{
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private boolean receivedCommUp; // false
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public synchronized boolean receivedCommUp() {
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return receivedCommUp;
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}
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public synchronized boolean waitForCommUp() throws InterruptedException {
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while (receivedCommUp == false) {
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wait();
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}
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return false;
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}
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@Override
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public HandlerResult handleNotification(
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Notification notification, Object attachment) {
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fail("Unknown notification type");
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return HandlerResult.CONTINUE;
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}
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@Override
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public synchronized HandlerResult handleNotification(
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AssociationChangeNotification notification, Object attachment) {
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AssocChangeEvent event = notification.event();
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debug("AssociationChangeNotification");
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debug(" Association: " + notification.association());
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debug(" Event: " + event);
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if (event.equals(AssocChangeEvent.COMM_UP)) {
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receivedCommUp = true;
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notifyAll();
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}
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return HandlerResult.RETURN;
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}
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@Override
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public HandlerResult handleNotification(
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ShutdownNotification notification, Object attachment) {
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debug("ShutdownNotification");
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debug(" Association: " + notification.association());
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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) {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) { out.println(Thread.currentThread().getName() + ": " + message); } }
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void sleep(long millis) { try { Thread.currentThread().sleep(millis); }
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catch(InterruptedException ie) { unexpected(ie); }}
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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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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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