test/com/sun/nio/sctp/SctpChannel/Receive.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.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");}

 }
	/*
	* 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.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");}

	}