/*
* 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.ByteBuffer;
import java.nio.channels.ClosedChannelException;
import java.nio.channels.NotYetConnectedException;
import com.sun.nio.sctp.AbstractNotificationHandler;
import com.sun.nio.sctp.HandlerResult;
import com.sun.nio.sctp.MessageInfo;
import com.sun.nio.sctp.SctpChannel;
import com.sun.nio.sctp.SctpServerChannel;
import com.sun.nio.sctp.ShutdownNotification;
import static java.lang.System.out;
import static java.lang.System.err;
public class Shutdown {
static CountDownLatch finishedLatch = new CountDownLatch(1);
static CountDownLatch sentLatch = new CountDownLatch(1);
void test(String[] args) {
SocketAddress address = null;
ShutdownServer server = 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 ShutdownServer();
server.start();
address = server.address();
debug("Server started and listening on " + address);
} catch (IOException ioe) {
ioe.printStackTrace();
return;
}
}
doTest(address);
}
void doTest(SocketAddress peerAddress) {
SctpChannel channel = null;
ByteBuffer buffer = ByteBuffer.allocate(Util.SMALL_BUFFER);
MessageInfo info;
try {
channel = SctpChannel.open();
/* TEST 1: Verify NotYetConnectedException thrown */
debug("Test 1: NotYetConnectedException");
try {
channel.shutdown();
fail("shutdown not throwing expected NotYetConnectedException");
} catch (NotYetConnectedException unused) {
pass();
} catch (IOException ioe) {
unexpected(ioe);
}
channel.connect(peerAddress);
sentLatch.await();
channel.shutdown();
/* TEST 2: receive data sent before shutdown */
do {
debug("Test 2: invoking receive");
info = channel.receive(buffer, null, null);
if (info == null) {
fail("unexpected null from receive");
return;
}
} while (!info.isComplete());
buffer.flip();
check(info != null, "info is null");
check(info.bytes() == Util.SMALL_MESSAGE.getBytes("ISO-8859-1").
length, "bytes received not equal to message length");
check(info.bytes() == buffer.remaining(), "bytes != remaining");
check(Util.compare(buffer, Util.SMALL_MESSAGE),
"received message not the same as sent message");
buffer.clear();
/* TEST 3: receive notifications on the SCTP stack */
debug("Test 3: receive notifications");
while ((info = channel.receive(buffer, null, null )) != null &&
info.bytes() != -1 );
/* TEST 4: If the channel is already shutdown then invoking this
* method has no effect. */
debug("Test 4: no-op");
try {
channel.shutdown();
pass();
} catch (IOException ioe) {
unexpected(ioe);
}
/* TEST 5: Further sends will throw ClosedChannelException */
debug("Test 5: ClosedChannelException");
info = MessageInfo.createOutgoing(null, 1);
try {
channel.send(buffer, info);
fail("shutdown not throwing expected ClosedChannelException");
} catch (ClosedChannelException unused) {
pass();
} catch (IOException ioe) {
unexpected(ioe);
}
/* TEST 6: getRemoteAddresses */
debug("Test 6: getRemoteAddresses");
try {
java.util.Set<SocketAddress> remoteAddrs = channel.getRemoteAddresses();
check(remoteAddrs.isEmpty(),
"A shutdown channel should not have remote addresses");
} catch (IOException ioe) {
unexpected(ioe);
}
} catch (IOException ioe) {
unexpected(ioe);
} catch (InterruptedException ie) {
unexpected(ie);
}finally {
finishedLatch.countDown();
try { if (channel != null) channel.close(); }
catch (IOException e) { unexpected(e);}
}
}
class ShutdownServer implements Runnable
{
final InetSocketAddress serverAddr;
private SctpServerChannel ssc;
public ShutdownServer() throws IOException {
ssc = SctpServerChannel.open().bind(null);
//serverAddr = (InetSocketAddress)(ssc.getAllLocalAddresses().iterator().next());
java.util.Set<SocketAddress> addrs = ssc.getAllLocalAddresses();
if (addrs.isEmpty())
debug("addrs should not be empty");
serverAddr = (InetSocketAddress) addrs.iterator().next();
}
public void start() {
(new Thread(this, "ShutdownServer-" + serverAddr.getPort())).start();
}
public InetSocketAddress address() {
return serverAddr;
}
@Override
public void run() {
SctpChannel sc = null;
try {
sc = ssc.accept();
/* send a message */
MessageInfo info = MessageInfo.createOutgoing(null, 1);
ByteBuffer buf = ByteBuffer.allocateDirect(Util.SMALL_BUFFER);
buf.put(Util.SMALL_MESSAGE.getBytes("ISO-8859-1"));
buf.flip();
sc.send(buf, info);
/* notify client that the data has been sent */
sentLatch.countDown();
/* wait until after the client has finished its tests */
finishedLatch.await();
buf.clear();
ShutdownNotificationHandler handler =
new ShutdownNotificationHandler();
BooleanWrapper bool = new BooleanWrapper();
sc.configureBlocking(false);
sc.receive(buf, bool, handler);
check(bool.booleanValue(), "SHUTDOWN not received on Server");
} catch (IOException ioe) {
ioe.printStackTrace();
} catch (InterruptedException ie) {
ie.printStackTrace();
} finally {
try { if (ssc != null) ssc.close(); }
catch (IOException ioe) { unexpected(ioe); }
try { if (sc != null) sc.close(); }
catch (IOException ioe) { unexpected(ioe); }
}
}
}
class BooleanWrapper {
boolean bool;
boolean booleanValue() {
return bool;
}
void booleanValue(boolean value) {
bool = value;
}
}
class ShutdownNotificationHandler extends AbstractNotificationHandler<BooleanWrapper>
{
@Override
public HandlerResult handleNotification(
ShutdownNotification sn, BooleanWrapper bool)
{
bool.booleanValue(true);
debug(sn.toString());
return HandlerResult.RETURN;
}
}
//--------------------- Infrastructure ---------------------------
boolean debug = true;
volatile int passed = 0, failed = 0;
void pass() {passed++;}
void fail() {failed++; Thread.dumpStack();}
void fail(String msg) {System.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) { System.out.println(message); } }
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);}
System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
if (failed > 0) throw new AssertionError("Some tests failed");}
}