/*
* 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
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* questions.
*/
/* @test
* @bug 4927640
* @summary Tests the SCTP protocol implementation
* @author chegar
*/
import java.net.*;
import java.io.*;
import java.util.List;
import java.util.Set;
import java.util.Iterator;
import java.nio.ByteBuffer;
import java.nio.channels.AlreadyBoundException;
import java.nio.channels.AlreadyConnectedException;
import java.nio.channels.ClosedChannelException;
import java.nio.channels.UnsupportedAddressTypeException;
import com.sun.nio.sctp.AssociationChangeNotification;
import com.sun.nio.sctp.AbstractNotificationHandler;
import com.sun.nio.sctp.HandlerResult;
import com.sun.nio.sctp.IllegalUnbindException;
import com.sun.nio.sctp.MessageInfo;
import com.sun.nio.sctp.PeerAddressChangeNotification;
import com.sun.nio.sctp.SctpChannel;
import com.sun.nio.sctp.SctpServerChannel;
import com.sun.nio.sctp.ShutdownNotification;
import static java.lang.System.out;
/**
* Tests bind, bindAddress, unbindAddress, getLocalAddress, and
* getAllLocalAddresses.
*/
public class Bind {
void test(String[] args) {
if (!Util.isSCTPSupported()) {
out.println("SCTP protocol is not supported");
out.println("Test cannot be run");
return;
}
/* Simply bind tests */
testBind();
/* Test unconnected */
testBindUnbind(false);
/* Test connected */
/* Adding/Removing addresses from a connected association is optional.
* This test can be run on systems that support dynamic address
* reconfiguration */
//testBindUnbind(true);
}
void testBind() {
SctpChannel channel = null;
try {
channel = SctpChannel.open();
/* TEST 1: empty set if channel is not bound */
check(channel.getAllLocalAddresses().isEmpty(),
"getAllLocalAddresses returned non empty set for unbound channel");
/* TEST 2: null to bind the channel to an automatically assigned
* socket address */
channel.bind(null);
/* TEST 3: non empty set if the channel is bound */
check(!channel.getAllLocalAddresses().isEmpty(),
"getAllLocalAddresses returned empty set for bound channel");
debug("getAllLocalAddresses on channel bound to the wildcard:\n"
+ channel.getAllLocalAddresses());
/* TEST 4: AlreadyBoundException if this channel is already bound */
try { channel.bind(null); }
catch (AlreadyBoundException unused) { pass(); }
catch (IOException ioe) { unexpected(ioe); }
/* TEST 5: UnsupportedAddressTypeException */
try {
channel.close(); /* open a new unbound channel for test */
channel = SctpChannel.open();
channel.bind(new UnsupportedSocketAddress());
fail("UnsupportedSocketAddress expected");
} catch (UnsupportedAddressTypeException unused) { pass();
} catch (IOException ioe) { unexpected(ioe); }
/* TEST 6: AlreadyConnectedException */
try {
channel.close(); /* open a new unbound channel for test */
channel = SctpChannel.open();
connectChannel(channel);
channel.bind(null);
fail("AlreadyConnectedException expected");
} catch (AlreadyConnectedException unused) { pass();
} catch (IOException ioe) { unexpected(ioe); }
/* TEST 7: ClosedChannelException - If this channel is closed */
try {
channel.close(); /* open a new unbound channel for test */
channel = SctpChannel.open();
channel.close();
channel.bind(null);
fail("ClosedChannelException expected");
} catch (ClosedChannelException unused) { pass();
} catch (IOException ioe) { unexpected(ioe); }
/* TEST 8: ClosedChannelException if channel is closed */
try {
channel.getAllLocalAddresses();
fail("should have thrown ClosedChannelException");
} catch (ClosedChannelException cce) {
pass();
} catch (Exception ioe) {
unexpected(ioe);
}
} catch (IOException ioe) {
unexpected(ioe);
} finally {
try { channel.close(); }
catch (IOException ioe) { unexpected(ioe); }
}
}
void testBindUnbind(boolean connected) {
SctpChannel channel = null;
SctpChannel peerChannel = null;
debug("testBindUnbind, connected: " + connected);
try {
channel = SctpChannel.open();
List<InetAddress> addresses = Util.getAddresses(true, false);
Iterator iterator = addresses.iterator();
InetSocketAddress a = new InetSocketAddress((InetAddress)iterator.next(), 0);
debug("channel.bind( " + a + ")");
channel.bind(a);
while (iterator.hasNext()) {
InetAddress ia = (InetAddress)iterator.next();
debug("channel.bindAddress(" + ia + ")");
channel.bindAddress(ia);
}
if (debug) {Util.dumpAddresses(channel, out);}
if (connected) {
/* Test with connected channel */
peerChannel = connectChannel(channel);
}
/* TEST 1: bind/unbindAddresses on the system addresses */
debug("bind/unbindAddresses on the system addresses");
List<InetAddress> addrs = Util.getAddresses(true, false);
for (InetAddress addr : addrs) {
try {
debug("unbindAddress: " + addr);
check(boundAddress(channel, addr), "trying to remove address that is not bound");
channel.unbindAddress(addr);
if (debug) {Util.dumpAddresses(channel, out);}
check(!boundAddress(channel, addr), "address was not removed");
debug("bindAddress: " + addr);
channel.bindAddress(addr);
if (debug) {Util.dumpAddresses(channel, out);}
check(boundAddress(channel, addr), "address is not bound");
} catch (IOException ioe) {
unexpected(ioe);
}
}
/* TEST 2: bindAddress - already bound address. */
InetAddress againAddress = addrs.get(0);
try {
debug("bind already bound address " + againAddress);
channel.bindAddress(againAddress);
} catch (AlreadyBoundException unused) {
debug("Caught AlreadyBoundException - OK");
pass();
} catch (IOException ioe) {
unexpected(ioe);
}
/* TEST 3: bind non local address */
try {
InetAddress nla = InetAddress.getByName("123.123.123.123");
debug("bind non local address " + nla);
channel.bindAddress(nla);
} catch (IOException ioe) {
debug("Informative only " + ioe);
}
/* TEST 4: unbind address that is not bound */
try {
debug("unbind address that is not bound " + againAddress);
/* remove address first then again */
channel.unbindAddress(againAddress);
channel.unbindAddress(againAddress);
} catch (IllegalUnbindException unused) {
debug("Caught IllegalUnbindException - OK");
pass();
} catch (IOException ioe) {
unexpected(ioe);
}
/* TEST 5: unbind address that is not bound */
try {
InetAddress nla = InetAddress.getByName("123.123.123.123");
debug("unbind address that is not bound " + nla);
channel.unbindAddress(nla);
} catch (IllegalUnbindException unused) {
debug("Caught IllegalUnbindException - OK");
pass();
} catch (IOException ioe) {
unexpected(ioe);
}
if (connected) {
channel.shutdown();
BindNotificationHandler handler = new BindNotificationHandler();
ByteBuffer buffer = ByteBuffer.allocate(10);
MessageInfo info;
while((info = peerChannel.receive(buffer, null, handler)) != null) {
if (info != null) {
if (info.bytes() == -1) {
debug("peerChannel Reached EOF");
break;
}
}
}
while((info = channel.receive(buffer, null, handler)) != null) {
if (info != null) {
if (info.bytes() == -1) {
debug("channel Reached EOF");
break;
}
}
}
}
} catch (IOException ioe) {
ioe.printStackTrace();
} finally {
try { if (channel != null) channel.close(); }
catch (IOException ioe) { unexpected(ioe); }
}
}
boolean boundAddress(SctpChannel channel, InetAddress addr)
throws IOException {
for (SocketAddress boundAddr : channel.getAllLocalAddresses()) {
if (((InetSocketAddress) boundAddr).getAddress().equals(addr))
return true;
}
return false;
}
SctpChannel connectChannel(SctpChannel channel)
throws IOException {
debug("connecting channel...");
try {
SctpServerChannel ssc = SctpServerChannel.open();
ssc.bind(null);
Set<SocketAddress> addrs = ssc.getAllLocalAddresses();
Iterator<SocketAddress> iterator = addrs.iterator();
SocketAddress addr = iterator.next();
debug("using " + addr + "...");
channel.connect(addr);
SctpChannel peerChannel = ssc.accept();
ssc.close();
debug("connected");
return peerChannel;
} catch (IOException ioe) {
debug("Cannot connect channel");
unexpected(ioe);
throw ioe;
}
}
class BindNotificationHandler extends AbstractNotificationHandler<Object>
{
@Override
public HandlerResult handleNotification(
AssociationChangeNotification acn, Object unused)
{
debug("AssociationChangeNotification: " + acn);
return HandlerResult.CONTINUE;
}
@Override
public HandlerResult handleNotification(
PeerAddressChangeNotification pacn, Object unused)
{
debug("PeerAddressChangeNotification: " + pacn);
return HandlerResult.CONTINUE;
}
@Override
public HandlerResult handleNotification(
ShutdownNotification sn, Object unused)
{
debug("ShutdownNotification: " + sn);
return HandlerResult.CONTINUE;
}
}
class UnsupportedSocketAddress extends SocketAddress { }
//--------------------- 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");}
}