231 lines
9.2 KiB
Java
231 lines
9.2 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.HashSet;
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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.channels.AlreadyConnectedException;
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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.SctpChannel;
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import com.sun.nio.sctp.SctpServerChannel;
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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 NonBlockingAccept {
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static CountDownLatch acceptLatch = new CountDownLatch(1);
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static final int SEL_TIMEOUT = 10000;
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static final int NUM_TEST_CONNECTIONS = 10;
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void test(String[] args) {
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SocketAddress address = null;
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NonblockingServer 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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try {
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server = new NonblockingServer();
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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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doClient(address);
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}
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void doClient(SocketAddress peerAddress) {
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Set<SctpChannel> channels = new HashSet<SctpChannel>(NUM_TEST_CONNECTIONS);
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try {
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for (int i=0; i<NUM_TEST_CONNECTIONS;) {
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debug("connecting " + ++i);
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channels.add(SctpChannel.open(peerAddress, 0, 0));
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sleep(100);
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}
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/* don't close the channels until they have been accepted */
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acceptLatch.await();
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for(SctpChannel sc: channels)
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sc.close();
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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 NonblockingServer 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 NonblockingServer() 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, "NonblockingServer-" +
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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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@Override
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public void run() {
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Selector acceptSelector = null;
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SelectionKey acceptKey = null;
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try {
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acceptSelector = Selector.open();
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ssc.configureBlocking(false);
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check(ssc.isBlocking() == false, "Should be in non-blocking mode");
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acceptKey = ssc.register(acceptSelector, SelectionKey.OP_ACCEPT);
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int connectionsAccepted = 0;
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while (connectionsAccepted < NUM_TEST_CONNECTIONS) {
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int keysAdded = acceptSelector.select(SEL_TIMEOUT);
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if (keysAdded > 0) {
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Set<SelectionKey> keys = acceptSelector.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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SctpServerChannel nextReady =
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(SctpServerChannel)sk.channel();
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check(nextReady.equals(ssc),
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"channels should be equal");
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check(sk.isAcceptable(),
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"key should 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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check(!sk.isConnectable(),
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"key should not be connectable");
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SctpChannel acceptsc = nextReady.accept();
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connectionsAccepted++;
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debug("Accepted " + connectionsAccepted + " connections");
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check(acceptsc != null,
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"Accepted channel should not be null");
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if (acceptsc != null) {
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checkAcceptedChannel(acceptsc);
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acceptsc.close();
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}
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} /* while */
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} /* if */
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} /* while */
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} catch (IOException ioe) {
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ioe.printStackTrace();
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} finally {
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acceptLatch.countDown();
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if (acceptKey != null) acceptKey.cancel();
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try { if (acceptSelector != null) acceptSelector.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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}
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}
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}
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void checkAcceptedChannel(SctpChannel sc) {
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try {
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debug("Checking accepted SctpChannel");
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check(sc.association() != null,
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"accepted channel should have an association");
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check(!(sc.getRemoteAddresses().isEmpty()),
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"accepted channel should be connected");
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check(!(sc.isConnectionPending()),
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"accepted channel should not have a connection pending");
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check(sc.isBlocking(),
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"accepted channel should be blocking");
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try { sc.connect(new TestSocketAddress()); fail(); }
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catch (AlreadyConnectedException unused) { pass(); }
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try { sc.bind(new TestSocketAddress()); fail(); }
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catch (AlreadyConnectedException unused) { pass(); }
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} catch (IOException unused) { fail(); }
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}
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static class TestSocketAddress extends SocketAddress {}
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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(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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