--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/com/sun/nio/sctp/SctpChannel/Receive.java Thu Apr 16 17:42:00 2009 +0100
@@ -0,0 +1,361 @@
+/*
+ * 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.util.concurrent.TimeUnit;
+import java.nio.ByteBuffer;
+import java.nio.channels.NotYetConnectedException;
+import java.nio.channels.ClosedChannelException;
+import com.sun.nio.sctp.AbstractNotificationHandler;
+import com.sun.nio.sctp.AssociationChangeNotification;
+import com.sun.nio.sctp.AssociationChangeNotification.AssocChangeEvent;
+import com.sun.nio.sctp.HandlerResult;
+import com.sun.nio.sctp.IllegalReceiveException;
+import com.sun.nio.sctp.MessageInfo;
+import com.sun.nio.sctp.Notification;
+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 Receive {
+ /* Latches used to synchronize between the client and server so that
+ * connections without any IO may not be closed without being accepted */
+ final CountDownLatch clientFinishedLatch = new CountDownLatch(1);
+ final CountDownLatch serverFinishedLatch = new CountDownLatch(1);
+
+ /* Used to verify that the ppid is being sent and received correctly */
+ static final int PPID = 5;
+
+ void test(String[] args) {
+ SocketAddress address = null;
+ Server server;
+
+
+ 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 Server();
+ 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.LARGE_BUFFER);
+ MessageInfo info;
+
+ try {
+ channel = SctpChannel.open();
+ ReceiveNotificationHandler handler =
+ new ReceiveNotificationHandler(channel);
+
+ /* TEST 1: Verify NotYetConnectedException thrown */
+ try {
+ channel.receive(buffer, null, handler);
+ fail("should have thrown NotYetConnectedException");
+ } catch (NotYetConnectedException unused) {
+ pass();
+ } catch (IOException ioe) {
+ unexpected(ioe);
+ }
+
+ channel.connect(peerAddress);
+
+ /* TEST 2: receive small message */
+ do {
+ debug("Test 2: invoking receive");
+ info = channel.receive(buffer, null, handler);
+ if (info == null) {
+ fail("unexpected null from receive");
+ return;
+ }
+ } while (!info.isComplete());
+
+ buffer.flip();
+ check(handler.receivedCommUp(), "SCTP_COMM_UP not received");
+ check(info != null, "info is null");
+ check(info.address() != null, "address is null");
+ check(info.association() != null, "association is null");
+ check(info.isComplete(), "message is not complete");
+ check(info.isUnordered() != true,
+ "message should not be unordered");
+ check(info.streamNumber() >= 0, "invalid stream number");
+ check(info.payloadProtocolID() == PPID, "PPID incorrect");
+ 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 large message */
+ do {
+ debug("Test 3: invoking receive");
+ info = channel.receive(buffer, null, handler);
+ if (info == null) {
+ fail("unexpected null from receive");
+ return;
+ }
+ } while (!info.isComplete());
+
+ buffer.flip();
+ check(info != null, "info is null");
+ check(info.address() != null, "address is null");
+ check(info.association() != null, "association is null");
+ check(info.isComplete(), "message is not complete");
+ check(info.isUnordered() != true,
+ "message should not be unordered");
+ check(info.streamNumber() >= 0, "invalid stream number");
+ check(info.bytes() == Util.LARGE_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.LARGE_MESSAGE),
+ "received message not the same as sent message");
+
+ buffer.clear();
+
+ /* TEST 4: EOF */
+ buffer.clear(); // buffer position 0
+ info = channel.receive(buffer,null, handler);
+ check(info != null, "info is null");
+ check(info.bytes() == -1, "should have received EOF");
+ check(buffer.position() == 0, "buffer position should be unchanged");
+
+ /* TEST 5: ClosedChannelException */
+ channel.close();
+ try {
+ channel.receive(buffer, null, null);
+ fail("should have thrown ClosedChannelException");
+ } catch (ClosedChannelException cce) {
+ pass();
+ } catch (IOException ioe) {
+ unexpected(ioe);
+ }
+ handler = null;
+
+ /* TEST 6: handler returns RETURN after handling a notification */
+ ReceiveNotificationHandler handler2 =
+ new ReceiveNotificationHandler(null); /* HandlerResult.RETURN */
+ channel = SctpChannel.open(peerAddress, 0, 0);
+ info = channel.receive(buffer, null, handler2);
+ check(info == null, "channel should return null");
+ check(handler2.receivedCommUp(), "SCTP_COMM_UP not received");
+ check(buffer.position() == 0, "buffer position should be unchanged");
+
+ /* TEST 7: Non blocking channel return null if no data */
+ channel.configureBlocking(false);
+ info = channel.receive(buffer, null, null);
+ check(info == null, "non-blocking channel should return null");
+ check(buffer.position() == 0, "buffer position should be unchanged");
+ } catch (IOException ioe) {
+ unexpected(ioe);
+ } finally {
+ clientFinishedLatch.countDown();
+ try { serverFinishedLatch.await(10L, TimeUnit.SECONDS); }
+ catch (InterruptedException ie) { unexpected(ie); }
+ if (channel != null) {
+ try { channel.close(); }
+ catch (IOException e) { unexpected (e);}
+ }
+ }
+ }
+
+ class Server implements Runnable
+ {
+ final InetSocketAddress serverAddr;
+ private SctpServerChannel ssc;
+
+ public Server() throws IOException {
+ ssc = SctpServerChannel.open().bind(null);
+ 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, "Server-" + serverAddr.getPort())).start();
+ }
+
+ public InetSocketAddress address() {
+ return serverAddr;
+ }
+
+ @Override
+ public void run() {
+ try {
+ SctpChannel sc = ssc.accept();
+
+ /* send a small message */
+ MessageInfo info = MessageInfo.createOutgoing(null, 0)
+ .payloadProtocolID(PPID);
+ ByteBuffer buf = ByteBuffer.allocateDirect(Util.SMALL_BUFFER);
+ buf.put(Util.SMALL_MESSAGE.getBytes("ISO-8859-1"));
+ buf.flip();
+
+ debug("sending small message: " + buf);
+ sc.send(buf, info);
+
+ /* send a large message */
+ buf = ByteBuffer.allocateDirect(Util.LARGE_BUFFER);
+ buf.put(Util.LARGE_MESSAGE.getBytes("ISO-8859-1"));
+ buf.flip();
+
+ debug("sending large message: " + buf);
+ sc.send(buf, info);
+ sc.shutdown();
+ debug("shutdown");
+ ReceiveNotificationHandler handler =
+ new ReceiveNotificationHandler(sc);
+ sc.receive(buf, null, handler);
+ sc.close();
+
+ /* accept another socket for the TEST 6 */
+ sc = ssc.accept();
+ ssc.close();
+
+ clientFinishedLatch.await(10L, TimeUnit.SECONDS);
+ serverFinishedLatch.countDown();
+ sc.close();
+ } catch (IOException ioe) {
+ unexpected(ioe);
+ } catch (InterruptedException ie) {
+ unexpected(ie);
+ }
+ }
+ }
+
+ class ReceiveNotificationHandler extends AbstractNotificationHandler<Object>
+ {
+ SctpChannel channel;
+ boolean receivedCommUp; // false
+
+ public ReceiveNotificationHandler(SctpChannel channel) {
+ this.channel = channel;
+ }
+
+ public boolean receivedCommUp() {
+ return receivedCommUp;
+ }
+
+ @Override
+ public HandlerResult handleNotification(
+ Notification notification, Object attachment) {
+ fail("Unknown notification type");
+ return HandlerResult.CONTINUE;
+ }
+
+ @Override
+ public HandlerResult handleNotification(
+ AssociationChangeNotification notification, Object attachment) {
+ AssocChangeEvent event = notification.event();
+ debug("AssociationChangeNotification");
+ debug(" Association: " + notification.association());
+ debug(" Event: " + event);
+
+ if (event.equals(AssocChangeEvent.COMM_UP))
+ receivedCommUp = true;
+
+ if (channel == null)
+ return HandlerResult.RETURN;
+
+ /* TEST 4: IllegalReceiveException - If the given handler invokes
+ * the receive method of this channel*/
+ ByteBuffer buffer = ByteBuffer.allocate(10);
+ try {
+ channel.receive(buffer, null, this);
+ fail("IllegalReceiveException expected");
+ } catch (IllegalReceiveException unused) {
+ pass();
+ } catch (IOException ioe) {
+ unexpected(ioe);
+ }
+
+ return HandlerResult.CONTINUE;
+ }
+
+ @Override
+ public HandlerResult handleNotification(
+ ShutdownNotification notification, Object attachment) {
+ debug("ShutdownNotification");
+ debug(" Association: " + notification.association());
+ return HandlerResult.CONTINUE;
+ }
+ }
+ //--------------------- 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(Thread.currentThread() + " " + 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");}
+
+}