277 lines
10 KiB
Java
277 lines
10 KiB
Java
/*
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* Copyright (c) 2014, 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 8034181
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* @summary SIGBUS in SctpChannelImpl receive
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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.nio.ByteBuffer;
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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.MessageInfo;
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import com.sun.nio.sctp.Notification;
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import com.sun.nio.sctp.PeerAddressChangeNotification;
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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.charset.StandardCharsets.US_ASCII;
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public class ReceiveIntoDirect {
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/* suitably small message to NOT overrun small buffers */
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final byte[] msgBytes = "Hello".getBytes(US_ASCII);
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/* number of client connections/combinations (accepted by the server) */
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final int NUM_CONNECTIONS = 75;
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void test(String[] args) throws IOException {
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SocketAddress address = null;
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Server server;
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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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server = new Server();
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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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}
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/* many combinations with varing buffer sizes, and offsets */
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runWithManyOffsets(address, 20);
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runWithManyOffsets(address, 49);
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runWithManyOffsets(address, 50);
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runWithManyOffsets(address, 51);
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runWithManyOffsets(address, 1024);
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}
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void runWithManyOffsets(SocketAddress addr, int bufferSize)
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throws IOException
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{
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doTest(addr, bufferSize, 1);
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doTest(addr, bufferSize, 2);
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doTest(addr, bufferSize, 3);
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doTest(addr, bufferSize, 4);
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doTest(addr, bufferSize, 5);
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doTest(addr, bufferSize, 6);
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doTest(addr, bufferSize, 7);
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doTest(addr, bufferSize, 8);
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doTest(addr, bufferSize, 9);
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doTest(addr, bufferSize, 10);
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doTest(addr, bufferSize, 11);
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doTest(addr, bufferSize, 12);
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doTest(addr, bufferSize, 13);
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doTest(addr, bufferSize, 14);
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doTest(addr, bufferSize, 15);
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}
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void doTest(SocketAddress peerAddress, int bufferSize, int bufferOffset)
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throws IOException
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{
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debug("\n\nTesting with bufferSize " + bufferSize + " and offset " + bufferOffset);
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assert bufferOffset + msgBytes.length <= bufferSize :
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"buffer offset + message length greater than buffer size ";
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ByteBuffer buffer = ByteBuffer.allocateDirect(bufferSize);
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MessageInfo info;
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try (SctpChannel channel = SctpChannel.open()) {
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channel.connect(peerAddress);
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ReceiveNotificationHandler handler =
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new ReceiveNotificationHandler();
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/* TEST 1: Assoc/peer change notif into direct buffer with offest */
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do {
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debug("Test 1: Assoc/peer change with offset " + bufferOffset);
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buffer.position(bufferOffset);
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info = channel.receive(buffer, null, handler);
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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().position(bufferOffset);
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check(handler.receivedCommUp(), "SCTP_COMM_UP not received");
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check(info != null, "info is null");
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check(info.address() != null, "address is null");
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check(info.association() != null, "association is null");
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check(info.isComplete(), "message is not complete");
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check(info.isUnordered() != true,
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"message should not be unordered");
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check(info.streamNumber() >= 0, "invalid stream number");
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check(info.bytes() == msgBytes.length,
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"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, msgBytes),
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"received message not the same as sent message");
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/* TEST 2: shutdown notification with offset */
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debug("Test 2: shutdown notif with offset " + bufferOffset);
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buffer.clear().position(bufferOffset);
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while ((info = channel.receive(buffer, null, handler )) != null &&
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info.bytes() != -1 );
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}
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}
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class Server implements Runnable
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{
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private final InetSocketAddress serverAddr;
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private final SctpServerChannel ssc;
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public Server() 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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public void start() {
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(new Thread(this, "Server-" + 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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try {
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for (int i=0; i<NUM_CONNECTIONS; i++) {
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SctpChannel sc = ssc.accept();
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/* send a small message */
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MessageInfo info = MessageInfo.createOutgoing(null, 0);
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ByteBuffer buf = ByteBuffer.allocateDirect(Util.SMALL_BUFFER);
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buf.put(msgBytes);
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buf.flip();
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debug("sending small message: " + buf);
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sc.send(buf, info);
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sc.shutdown();
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sc.close();
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}
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} catch (IOException x) {
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unexpected(x);
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} finally {
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try { ssc.close(); }
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catch (IOException x) { unexpected(x); }
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}
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}
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}
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class ReceiveNotificationHandler extends AbstractNotificationHandler<Object>
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{
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boolean receivedCommUp; // false
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public ReceiveNotificationHandler() { }
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public boolean receivedCommUp() {
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return receivedCommUp;
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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 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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return HandlerResult.CONTINUE;
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}
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@Override
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public HandlerResult handleNotification(
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PeerAddressChangeNotification pacn, Object unused)
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{
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debug("PeerAddressChangeNotification: " + pacn);
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return HandlerResult.CONTINUE;
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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.CONTINUE;
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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) {
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System.out.println(Thread.currentThread() + " " + 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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