/*
* Copyright (c) 2009, 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
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/* @test
* @bug 4927640
* @summary Tests the SCTP protocol implementation
* @author chegar
*/
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.io.IOException;
import java.util.concurrent.CountDownLatch;
import java.nio.channels.AlreadyConnectedException;
import java.nio.channels.AsynchronousCloseException;
import java.nio.channels.NotYetBoundException;
import java.nio.channels.ClosedByInterruptException;
import java.nio.channels.ClosedChannelException;
import com.sun.nio.sctp.SctpChannel;
import com.sun.nio.sctp.SctpServerChannel;
import static java.lang.System.out;
import static java.lang.System.err;
public class Accept {
static CountDownLatch acceptLatch = new CountDownLatch(1);
static CountDownLatch closeByIntLatch = new CountDownLatch(1);
static CountDownLatch asyncCloseLatch = new CountDownLatch(1);
AcceptServer server = null;
void test(String[] args) {
SocketAddress address = null;
if (!Util.isSCTPSupported()) {
out.println("SCTP protocol is not supported");
out.println("Test cannot be run");
return;
}
if (args.length == 2) {
/* requested to connecct to a specific address */
try {
int port = Integer.valueOf(args[1]);
address = new InetSocketAddress(args[0], port);
} catch (NumberFormatException nfe) {
err.println(nfe);
}
} else {
/* start server on local machine, default */
try {
server = new AcceptServer();
server.start();
address = server.address();
debug("Server started and listening on " + address);
} catch (IOException ioe) {
ioe.printStackTrace();
return;
}
}
doClient(address);
}
void doClient(SocketAddress peerAddress) {
SctpChannel channel = null;
try {
channel = SctpChannel.open(peerAddress, 0, 0);
acceptLatch.await();
/* for test 4 */
closeByIntLatch.await();
sleep(500);
server.thread().interrupt();
/* for test 5 */
asyncCloseLatch.await();
sleep(500);
server.channel().close();
/* wait for the server thread to finish */
join(server.thread(), 10000);
} catch (IOException ioe) {
unexpected(ioe);
} catch (InterruptedException ie) {
unexpected(ie);
} finally {
try { if (channel != null) channel.close(); }
catch (IOException e) { unexpected(e);}
}
}
class AcceptServer implements Runnable
{
final InetSocketAddress serverAddr;
private SctpServerChannel ssc;
private Thread serverThread;
public AcceptServer() throws IOException {
ssc = SctpServerChannel.open();
/* TEST 1: NotYetBoundException */
debug("TEST 1: NotYetBoundException");
try {
ssc.accept();
fail();
} catch (NotYetBoundException nybe) {
debug(" caught NotYetBoundException");
pass();
} catch (IOException ioe) {
unexpected(ioe);
}
ssc.bind(null);
java.util.Set<SocketAddress> addrs = ssc.getAllLocalAddresses();
if (addrs.isEmpty())
debug("addrs should not be empty");
serverAddr = (InetSocketAddress) addrs.iterator().next();
/* TEST 2: null if this channel is in non-blocking mode and no
* association is available to be accepted */
ssc.configureBlocking(false);
debug("TEST 2: non-blocking mode null");
try {
SctpChannel sc = ssc.accept();
check(sc == null, "non-blocking mode should return null");
} catch (IOException ioe) {
unexpected(ioe);
} finally {
ssc.configureBlocking(true);
}
}
void start() {
serverThread = new Thread(this, "AcceptServer-" +
serverAddr.getPort());
serverThread.start();
}
InetSocketAddress address() {
return serverAddr;
}
SctpServerChannel channel() {
return ssc;
}
Thread thread() {
return serverThread;
}
@Override
public void run() {
SctpChannel sc = null;
try {
/* TEST 3: accepted channel */
debug("TEST 3: accepted channel");
sc = ssc.accept();
checkAcceptedChannel(sc);
acceptLatch.countDown();
/* TEST 4: ClosedByInterruptException */
debug("TEST 4: ClosedByInterruptException");
try {
closeByIntLatch.countDown();
ssc.accept();
fail();
} catch (ClosedByInterruptException unused) {
debug(" caught ClosedByInterruptException");
pass();
}
/* TEST 5: AsynchronousCloseException */
debug("TEST 5: AsynchronousCloseException");
/* reset thread interrupt status */
Thread.currentThread().interrupted();
ssc = SctpServerChannel.open().bind(null);
try {
asyncCloseLatch.countDown();
ssc.accept();
fail();
} catch (AsynchronousCloseException unused) {
debug(" caught AsynchronousCloseException");
pass();
}
/* TEST 6: ClosedChannelException */
debug("TEST 6: ClosedChannelException");
try {
ssc.accept();
fail();
} catch (ClosedChannelException unused) {
debug(" caught ClosedChannelException");
pass();
}
ssc = null;
} catch (IOException ioe) {
ioe.printStackTrace();
} finally {
try { if (ssc != null) ssc.close(); }
catch (IOException ioe) { unexpected(ioe); }
try { if (sc != null) sc.close(); }
catch (IOException ioe) { unexpected(ioe); }
}
}
}
void checkAcceptedChannel(SctpChannel sc) {
try {
debug("Checking accepted SctpChannel");
check(sc.association() != null,
"accepted channel should have an association");
check(!(sc.getRemoteAddresses().isEmpty()),
"accepted channel should be connected");
check(!(sc.isConnectionPending()),
"accepted channel should not have a connection pending");
check(sc.isBlocking(),
"accepted channel should be blocking");
try { sc.connect(new TestSocketAddress()); fail(); }
catch (AlreadyConnectedException unused) { pass(); }
try { sc.bind(new TestSocketAddress()); fail(); }
catch (AlreadyConnectedException unused) { pass(); }
} catch (IOException unused) { fail(); }
}
static class TestSocketAddress extends SocketAddress {}
//--------------------- Infrastructure ---------------------------
boolean debug = true;
volatile int passed = 0, failed = 0;
void pass() {passed++;}
void fail() {failed++; Thread.dumpStack();}
void fail(String msg) {err.println(msg); fail();}
void unexpected(Throwable t) {failed++; t.printStackTrace();}
void check(boolean cond) {if (cond) pass(); else fail();}
void check(boolean cond, String failMessage) {if (cond) pass(); else fail(failMessage);}
void debug(String message) {if(debug) { out.println(message); } }
void sleep(long millis) { try { Thread.currentThread().sleep(millis); }
catch(InterruptedException ie) { unexpected(ie); }}
void join(Thread thread, long millis) { try { thread.join(millis); }
catch(InterruptedException ie) { unexpected(ie); }}
public static void main(String[] args) throws Throwable {
Class<?> k = new Object(){}.getClass().getEnclosingClass();
try {k.getMethod("instanceMain",String[].class)
.invoke( k.newInstance(), (Object) args);}
catch (Throwable e) {throw e.getCause();}}
public void instanceMain(String[] args) throws Throwable {
try {test(args);} catch (Throwable t) {unexpected(t);}
out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
if (failed > 0) throw new AssertionError("Some tests failed");}
}