jdk/test/com/sun/nio/sctp/SctpChannel/Send.java
changeset 2542 d859108aea12
child 4677 1b6ce3fbc01b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/com/sun/nio/sctp/SctpChannel/Send.java	Thu Apr 16 17:42:00 2009 +0100
@@ -0,0 +1,419 @@
+/*
+ * 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.Association;
+import com.sun.nio.sctp.AssociationChangeNotification;
+import com.sun.nio.sctp.AssociationChangeNotification.AssocChangeEvent;
+import com.sun.nio.sctp.HandlerResult;
+import com.sun.nio.sctp.InvalidStreamException;
+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 static java.lang.System.out;
+import static java.lang.System.err;
+
+public class Send {
+    /* 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);
+
+    SendNotificationHandler handler = new SendNotificationHandler();
+
+    void test(String[] args) {
+        SocketAddress address = null;
+        Server 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 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 = MessageInfo.createOutgoing(null, 0);
+
+        try {
+            channel = SctpChannel.open();
+
+            /* TEST 1: Verify NotYetConnectedException thrown */
+            try {
+                channel.send(buffer, info);
+                fail("should have thrown NotYetConnectedException");
+            } catch (NotYetConnectedException unused) {
+                pass();
+            }  catch (IOException ioe) {
+                unexpected(ioe);
+            }
+
+            channel.connect(peerAddress);
+            /* Receive CommUp */
+            channel.receive(buffer, null, handler);
+
+            /* save for TEST 8 */
+            Association association = channel.association();
+
+            /* TEST 2: send small message */
+            int streamNumber = 0;
+            debug("sending on stream number: " + streamNumber);
+            info = MessageInfo.createOutgoing(null, streamNumber);
+            buffer.put(Util.SMALL_MESSAGE.getBytes("ISO-8859-1"));
+            buffer.flip();
+            int position = buffer.position();
+            int remaining = buffer.remaining();
+
+            debug("sending small message: " + buffer);
+            int sent = channel.send(buffer, info);
+
+            check(sent == remaining, "sent should be equal to remaining");
+            check(buffer.position() == (position + sent),
+                    "buffers position should have been incremented by sent");
+
+            buffer.clear();
+
+            /* TEST 3: send large message */
+            streamNumber = handler.maxOutStreams() - 1;
+            debug("sending on stream number: " + streamNumber);
+            info = MessageInfo.createOutgoing(null, streamNumber);
+            buffer.put(Util.LARGE_MESSAGE.getBytes("ISO-8859-1"));
+            buffer.flip();
+            position = buffer.position();
+            remaining = buffer.remaining();
+
+            debug("sending large message: " + buffer);
+            sent = channel.send(buffer, info);
+
+            check(sent == remaining, "sent should be equal to remaining");
+            check(buffer.position() == (position + sent),
+                    "buffers position should have been incremented by sent");
+
+            /* TEST 4: InvalidStreamExcepton */
+            streamNumber = handler.maxInStreams;
+            info = MessageInfo.createOutgoing(null, streamNumber);
+            buffer.clear();
+            buffer.put(Util.SMALL_MESSAGE.getBytes("ISO-8859-1"));
+            buffer.flip();
+            position = buffer.position();
+            remaining = buffer.remaining();
+
+            debug("sending on stream number: " + streamNumber);
+            debug("sending small message: " + buffer);
+            try {
+                sent = channel.send(buffer, info);
+                fail("should have thrown InvalidStreamExcepton");
+            } catch (InvalidStreamException ise){
+                pass();
+            } catch (IOException ioe) {
+                unexpected(ioe);
+            }
+            check(buffer.remaining() == remaining,
+                    "remaining should not be changed");
+            check(buffer.position() == position,
+                    "buffers position should not be changed");
+
+            /* TEST 5: Non blocking send should return zero if there is
+               insufficient room in the underlying output buffer */
+            buffer.clear();
+            channel.configureBlocking(false);
+            info = MessageInfo.createOutgoing(null, 1);
+            buffer.put(Util.LARGE_MESSAGE.getBytes("ISO-8859-1"));
+            buffer.flip();
+
+            int count = 0;  // do not loop forever
+            do {
+                position = buffer.position();
+                remaining = buffer.remaining();
+                debug("sending large message: " + buffer);
+                sent = channel.send(buffer, info);
+                if (sent == 0) {
+                    check(buffer.remaining() == remaining,
+                          "remaining should not be changed");
+                    check(buffer.position() == position,
+                          "buffers position should not be changed");
+                }
+                buffer.rewind();
+            } while (sent != 0 && count++ < 100);
+
+            /* TEST 6: ClosedChannelException */
+            channel.close();
+            try {
+                channel.send(buffer, info);
+                fail("should have thrown ClosedChannelException");
+            } catch (ClosedChannelException cce) {
+               pass();
+            } catch (IOException ioe) {
+                unexpected(ioe);
+            }
+
+            /* TEST 7: send without previous receive.
+             * Verify that send can still throw InvalidStreamExcepton */
+            debug("Opening new channel.");
+            channel = SctpChannel.open(peerAddress, 0, 0);
+            streamNumber = Short.MAX_VALUE - 1;
+            info = MessageInfo.createOutgoing(null, streamNumber);
+            buffer.clear();
+            buffer.put(Util.SMALL_MESSAGE.getBytes("ISO-8859-1"));
+            buffer.flip();
+            position = buffer.position();
+            remaining = buffer.remaining();
+
+            debug("sending on stream number: " + streamNumber);
+            debug("sending small message: " + buffer);
+            try {
+                sent = channel.send(buffer, info);
+                fail("should have thrown InvalidStreamExcepton");
+            } catch (InvalidStreamException ise){
+                pass();
+            } catch (IOException ioe) {
+                unexpected(ioe);
+            }
+            check(buffer.remaining() == remaining,
+                    "remaining should not be changed");
+            check(buffer.position() == position,
+                    "buffers position should not be changed");
+
+            /* Receive CommUp */
+            channel.receive(buffer, null, handler);
+            check(handler.receivedCommUp(), "should have received COMM_UP");
+
+            /* TEST 8: Send to an invalid preferred SocketAddress */
+            SocketAddress addr = new InetSocketAddress("123.123.123.123", 3456);
+            info = MessageInfo.createOutgoing(addr, 0);
+            debug("sending to " + addr);
+            debug("sending small message: " + buffer);
+            try {
+                sent = channel.send(buffer, info);
+                fail("Invalid address should have thrown an Exception.");
+            } catch (Exception e){
+                pass();
+                debug("OK, caught " + e);
+            }
+        } 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() {
+            ByteBuffer buffer = ByteBuffer.allocateDirect(Util.LARGE_BUFFER);
+            SctpChannel sc1 = null, sc2 = null;
+            try {
+                sc1 = ssc.accept();
+
+                /* receive a small message */
+                MessageInfo info;
+                do {
+                    info = sc1.receive(buffer, null, null);
+                    if (info == null) {
+                        fail("Server: unexpected null from receive");
+                            return;
+                    }
+                } while (!info.isComplete());
+
+                buffer.flip();
+                check(info != null, "info is null");
+                check(info.streamNumber() == 0,
+                        "message not sent on the correct stream");
+                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");
+
+                /* receive a large message */
+                buffer.clear();
+                do {
+                    info = sc1.receive(buffer, null, null);
+                    if (info == null) {
+                        fail("Server: unexpected null from receive");
+                            return;
+                    }
+                } while (!info.isComplete());
+
+                buffer.flip();
+                check(info != null, "info is null");
+                check(info.streamNumber() == handler.maxOutStreams() - 1,
+                        "message not sent on the correct stream");
+                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");
+
+                /* TEST 7 ++ */
+                sc2 = ssc.accept();
+
+                clientFinishedLatch.await(10L, TimeUnit.SECONDS);
+                serverFinishedLatch.countDown();
+            } catch (IOException ioe) {
+                unexpected(ioe);
+            } catch (InterruptedException ie) {
+                unexpected(ie);
+            } finally {
+                try { if (ssc != null) ssc.close(); }
+                catch (IOException  unused) {}
+                try { if (sc1 != null) sc1.close(); }
+                catch (IOException  unused) {}
+                try { if (sc2 != null) sc2.close(); }
+                catch (IOException  unused) {}
+            }
+        }
+    }
+
+    class SendNotificationHandler extends AbstractNotificationHandler<Void>
+    {
+        boolean receivedCommUp;  // false
+        int maxInStreams;
+        int maxOutStreams;
+
+        public boolean receivedCommUp() {
+            return receivedCommUp;
+        }
+
+        public int maxInStreams() {
+            return maxInStreams;
+        }
+
+        public int maxOutStreams(){
+            return maxOutStreams;
+        }
+
+        @Override
+        public HandlerResult handleNotification(
+                Notification notification, Void attachment) {
+            fail("Unknown notification type");
+            return HandlerResult.CONTINUE;
+        }
+
+        @Override
+        public HandlerResult handleNotification(
+                AssociationChangeNotification notification, Void attachment) {
+            AssocChangeEvent event = notification.event();
+            Association association = notification.association();
+            debug("AssociationChangeNotification");
+            debug("  Association: " + notification.association());
+            debug("  Event: " + event);
+
+            if (event.equals(AssocChangeEvent.COMM_UP))
+                receivedCommUp = true;
+
+            this.maxInStreams = association.maxInboundStreams();
+            this.maxOutStreams = association.maxOutboundStreams();
+
+            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");}
+
+}