/* * Copyright 2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.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); } } 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 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 { @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");} }