test/com/sun/nio/sctp/SctpChannel/Shutdown.java - toolchain/jdk/jdk9_jdk - Git at Google

 /*
  * 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");}

 }
	/*
	* 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");}

	}