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Diffstat (limited to 'qpid/java/common/src/test/java/org/apache/qpid/transport/network/mina/MINANetworkDriverTest.java')
| -rw-r--r-- | qpid/java/common/src/test/java/org/apache/qpid/transport/network/mina/MINANetworkDriverTest.java | 473 |
1 files changed, 473 insertions, 0 deletions
diff --git a/qpid/java/common/src/test/java/org/apache/qpid/transport/network/mina/MINANetworkDriverTest.java b/qpid/java/common/src/test/java/org/apache/qpid/transport/network/mina/MINANetworkDriverTest.java new file mode 100644 index 0000000000..7901f6a99d --- /dev/null +++ b/qpid/java/common/src/test/java/org/apache/qpid/transport/network/mina/MINANetworkDriverTest.java @@ -0,0 +1,473 @@ +/* + * + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + * + */ + +package org.apache.qpid.transport.network.mina; + +import java.net.BindException; +import java.net.InetAddress; +import java.net.InetSocketAddress; +import java.net.SocketAddress; +import java.net.UnknownHostException; +import java.nio.ByteBuffer; +import java.util.ArrayList; +import java.util.concurrent.CountDownLatch; +import java.util.concurrent.TimeUnit; + +import junit.framework.TestCase; + +import org.apache.qpid.framing.AMQDataBlock; +import org.apache.qpid.protocol.ProtocolEngine; +import org.apache.qpid.protocol.ProtocolEngineFactory; +import org.apache.qpid.transport.NetworkDriver; +import org.apache.qpid.transport.OpenException; + +public class MINANetworkDriverTest extends TestCase +{ + + private static final String TEST_DATA = "YHALOTHAR"; + private static final int TEST_PORT = 2323; + private NetworkDriver _server; + private NetworkDriver _client; + private CountingProtocolEngine _countingEngine; // Keeps a count of how many bytes it's read + private Exception _thrownEx; + + @Override + public void setUp() + { + _server = new MINANetworkDriver(); + _client = new MINANetworkDriver(); + _thrownEx = null; + _countingEngine = new CountingProtocolEngine(); + } + + @Override + public void tearDown() + { + if (_server != null) + { + _server.close(); + } + + if (_client != null) + { + _client.close(); + } + } + + /** + * Tests that a socket can't be opened if a driver hasn't been bound + * to the port and can be opened if a driver has been bound. + * @throws BindException + * @throws UnknownHostException + * @throws OpenException + */ + public void testBindOpen() throws BindException, UnknownHostException, OpenException + { + try + { + _client.open(TEST_PORT, InetAddress.getLocalHost(), _countingEngine, null, null); + } + catch (OpenException e) + { + _thrownEx = e; + } + + assertNotNull("Open should have failed since no engine bound", _thrownEx); + + _server.bind(TEST_PORT, null, new EchoProtocolEngineSingletonFactory(), null, null); + + _client.open(TEST_PORT, InetAddress.getLocalHost(), _countingEngine, null, null); + } + + /** + * Tests that a socket can't be opened after a bound NetworkDriver has been closed + * @throws BindException + * @throws UnknownHostException + * @throws OpenException + */ + public void testBindOpenCloseOpen() throws BindException, UnknownHostException, OpenException + { + _server.bind(TEST_PORT, null, new EchoProtocolEngineSingletonFactory(), null, null); + _client.open(TEST_PORT, InetAddress.getLocalHost(), _countingEngine, null, null); + _client.close(); + _server.close(); + + try + { + _client.open(TEST_PORT, InetAddress.getLocalHost(), _countingEngine, null, null); + } + catch (OpenException e) + { + _thrownEx = e; + } + assertNotNull("Open should have failed", _thrownEx); + } + + /** + * Checks that the right exception is thrown when binding a NetworkDriver to an already + * existing socket. + */ + public void testBindPortInUse() + { + try + { + _server.bind(TEST_PORT, null, new EchoProtocolEngineSingletonFactory(), null, null); + } + catch (BindException e) + { + fail("First bind should not fail"); + } + + try + { + _client.bind(TEST_PORT, null, new EchoProtocolEngineSingletonFactory(), null, null); + } + catch (BindException e) + { + _thrownEx = e; + } + assertNotNull("Second bind should throw BindException", _thrownEx); + } + + /** + * tests that bytes sent on a network driver are received at the other end + * + * @throws UnknownHostException + * @throws OpenException + * @throws InterruptedException + * @throws BindException + */ + public void testSend() throws UnknownHostException, OpenException, InterruptedException, BindException + { + // Open a connection from a counting engine to an echo engine + _server.bind(TEST_PORT, null, new EchoProtocolEngineSingletonFactory(), null, null); + _client.open(TEST_PORT, InetAddress.getLocalHost(), _countingEngine, null, null); + + // Tell the counting engine how much data we're sending + _countingEngine.setNewLatch(TEST_DATA.getBytes().length); + + // Send the data and wait for up to 2 seconds to get it back + _client.send(ByteBuffer.wrap(TEST_DATA.getBytes())); + _countingEngine.getLatch().await(2, TimeUnit.SECONDS); + + // Check what we got + assertEquals("Wrong amount of data recieved", TEST_DATA.getBytes().length, _countingEngine.getReadBytes()); + } + + /** + * Opens a connection with a low read idle and check that it gets triggered + * @throws BindException + * @throws OpenException + * @throws UnknownHostException + * + */ + public void testSetReadIdle() throws BindException, UnknownHostException, OpenException + { + // Open a connection from a counting engine to an echo engine + _server.bind(TEST_PORT, null, new EchoProtocolEngineSingletonFactory(), null, null); + _client.open(TEST_PORT, InetAddress.getLocalHost(), _countingEngine, null, null); + assertFalse("Reader should not have been idle", _countingEngine.getReaderHasBeenIdle()); + _client.setMaxReadIdle(1); + try + { + Thread.sleep(1000); + } + catch (InterruptedException e) + { + // Eat it + } + assertTrue("Reader should have been idle", _countingEngine.getReaderHasBeenIdle()); + } + + /** + * Opens a connection with a low write idle and check that it gets triggered + * @throws BindException + * @throws OpenException + * @throws UnknownHostException + * + */ + public void testSetWriteIdle() throws BindException, UnknownHostException, OpenException + { + // Open a connection from a counting engine to an echo engine + _server.bind(TEST_PORT, null, new EchoProtocolEngineSingletonFactory(), null, null); + _client.open(TEST_PORT, InetAddress.getLocalHost(), _countingEngine, null, null); + assertFalse("Reader should not have been idle", _countingEngine.getWriterHasBeenIdle()); + _client.setMaxWriteIdle(1); + try + { + Thread.sleep(1000); + } + catch (InterruptedException e) + { + // Eat it + } + assertTrue("Reader should have been idle", _countingEngine.getWriterHasBeenIdle()); + } + + + /** + * Creates and then closes a connection from client to server and checks that the server + * has its closed() method called. Then creates a new client and closes the server to check + * that the client has its closed() method called. + * @throws BindException + * @throws UnknownHostException + * @throws OpenException + */ + public void testClosed() throws BindException, UnknownHostException, OpenException + { + // Open a connection from a counting engine to an echo engine + EchoProtocolEngineSingletonFactory factory = new EchoProtocolEngineSingletonFactory(); + _server.bind(TEST_PORT, null, factory, null, null); + _client.open(TEST_PORT, InetAddress.getLocalHost(), _countingEngine, null, null); + EchoProtocolEngine serverEngine = null; + while (serverEngine == null) + { + serverEngine = factory.getEngine(); + if (serverEngine == null) + { + try + { + Thread.sleep(10); + } + catch (InterruptedException e) + { + } + } + } + assertFalse("Server should not have been closed", serverEngine.getClosed()); + serverEngine.setNewLatch(1); + _client.close(); + try + { + serverEngine.getLatch().await(2, TimeUnit.SECONDS); + } + catch (InterruptedException e) + { + } + assertTrue("Server should have been closed", serverEngine.getClosed()); + + _client.open(TEST_PORT, InetAddress.getLocalHost(), _countingEngine, null, null); + _countingEngine.setClosed(false); + assertFalse("Client should not have been closed", _countingEngine.getClosed()); + _countingEngine.setNewLatch(1); + _server.close(); + try + { + _countingEngine.getLatch().await(2, TimeUnit.SECONDS); + } + catch (InterruptedException e) + { + } + assertTrue("Client should have been closed", _countingEngine.getClosed()); + } + + /** + * Create a connection and instruct the client to throw an exception when it gets some data + * and that the latch gets counted down. + * @throws BindException + * @throws UnknownHostException + * @throws OpenException + * @throws InterruptedException + */ + public void testExceptionCaught() throws BindException, UnknownHostException, OpenException, InterruptedException + { + _server.bind(TEST_PORT, null, new EchoProtocolEngineSingletonFactory(), null, null); + _client.open(TEST_PORT, InetAddress.getLocalHost(), _countingEngine, null, null); + + + assertEquals("Exception should not have been thrown", 1, + _countingEngine.getExceptionLatch().getCount()); + _countingEngine.setErrorOnNextRead(true); + _countingEngine.setNewLatch(TEST_DATA.getBytes().length); + _client.send(ByteBuffer.wrap(TEST_DATA.getBytes())); + _countingEngine.getExceptionLatch().await(2, TimeUnit.SECONDS); + assertEquals("Exception should not been thrown", 0, + _countingEngine.getExceptionLatch().getCount()); + } + + /** + * Opens a connection and checks that the remote address is the one that was asked for + * @throws BindException + * @throws UnknownHostException + * @throws OpenException + */ + public void testGetRemoteAddress() throws BindException, UnknownHostException, OpenException + { + _server.bind(TEST_PORT, null, new EchoProtocolEngineSingletonFactory(), null, null); + _client.open(TEST_PORT, InetAddress.getLocalHost(), _countingEngine, null, null); + assertEquals(new InetSocketAddress(InetAddress.getLocalHost(), TEST_PORT), + _client.getRemoteAddress()); + } + + private class EchoProtocolEngineSingletonFactory implements ProtocolEngineFactory + { + EchoProtocolEngine _engine = null; + + public ProtocolEngine newProtocolEngine() + { + if (_engine == null) + { + _engine = new EchoProtocolEngine(); + } + return getEngine(); + } + + public EchoProtocolEngine getEngine() + { + return _engine; + } + } + + public class CountingProtocolEngine implements ProtocolEngine + { + + protected NetworkDriver _driver; + public ArrayList<ByteBuffer> _receivedBytes = new ArrayList<ByteBuffer>(); + private int _readBytes; + private CountDownLatch _latch = new CountDownLatch(0); + private boolean _readerHasBeenIdle; + private boolean _writerHasBeenIdle; + private boolean _closed = false; + private boolean _nextReadErrors = false; + private CountDownLatch _exceptionLatch = new CountDownLatch(1); + + public void closed() + { + setClosed(true); + _latch.countDown(); + } + + public void setErrorOnNextRead(boolean b) + { + _nextReadErrors = b; + } + + public void setNewLatch(int length) + { + _latch = new CountDownLatch(length); + } + + public long getReadBytes() + { + return _readBytes; + } + + public SocketAddress getRemoteAddress() + { + if (_driver != null) + { + return _driver.getRemoteAddress(); + } + else + { + return null; + } + } + + public long getWrittenBytes() + { + return 0; + } + + public void readerIdle() + { + _readerHasBeenIdle = true; + } + + public void setNetworkDriver(NetworkDriver driver) + { + _driver = driver; + } + + public void writeFrame(AMQDataBlock frame) + { + + } + + public void writerIdle() + { + _writerHasBeenIdle = true; + } + + public void exception(Throwable t) + { + _exceptionLatch.countDown(); + } + + public CountDownLatch getExceptionLatch() + { + return _exceptionLatch; + } + + public void received(ByteBuffer msg) + { + // increment read bytes and count down the latch for that many + int bytes = msg.remaining(); + _readBytes += bytes; + for (int i = 0; i < bytes; i++) + { + _latch.countDown(); + } + + // Throw an error if we've been asked too, but we can still count + if (_nextReadErrors) + { + throw new RuntimeException("Was asked to error"); + } + } + + public CountDownLatch getLatch() + { + return _latch; + } + + public boolean getWriterHasBeenIdle() + { + return _writerHasBeenIdle; + } + + public boolean getReaderHasBeenIdle() + { + return _readerHasBeenIdle; + } + + public void setClosed(boolean _closed) + { + this._closed = _closed; + } + + public boolean getClosed() + { + return _closed; + } + } + + private class EchoProtocolEngine extends CountingProtocolEngine + { + + public void received(ByteBuffer msg) + { + super.received(msg); + msg.rewind(); + _driver.send(msg); + } + } +}
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