| /** |
| * 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.activemq; |
| |
| /** |
| * 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. |
| */ |
| |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.util.Random; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import javax.jms.Destination; |
| import javax.jms.Session; |
| |
| import junit.framework.Assert; |
| import junit.framework.TestCase; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * @author rnewson |
| */ |
| public final class LargeStreamletTest extends TestCase { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(LargeStreamletTest.class); |
| private static final String BROKER_URL = "vm://localhost?broker.persistent=false"; |
| private static final int BUFFER_SIZE = 1 * 1024; |
| private static final int MESSAGE_COUNT = 10 * 1024; |
| |
| protected Exception writerException; |
| protected Exception readerException; |
| |
| private AtomicInteger totalRead = new AtomicInteger(); |
| private AtomicInteger totalWritten = new AtomicInteger(); |
| private AtomicBoolean stopThreads = new AtomicBoolean(false); |
| |
| public void testStreamlets() throws Exception { |
| final ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(BROKER_URL); |
| |
| final ActiveMQConnection connection = (ActiveMQConnection)factory.createConnection(); |
| connection.start(); |
| try { |
| final Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE); |
| try { |
| final Destination destination = session.createQueue("wibble"); |
| final Thread readerThread = new Thread(new Runnable() { |
| |
| public void run() { |
| totalRead.set(0); |
| try { |
| final InputStream inputStream = connection.createInputStream(destination); |
| try { |
| int read; |
| final byte[] buf = new byte[BUFFER_SIZE]; |
| while (!stopThreads.get() && (read = inputStream.read(buf)) != -1) { |
| totalRead.addAndGet(read); |
| } |
| } finally { |
| inputStream.close(); |
| } |
| } catch (Exception e) { |
| readerException = e; |
| e.printStackTrace(); |
| } finally { |
| LOG.info(totalRead + " total bytes read."); |
| } |
| } |
| }); |
| |
| final Thread writerThread = new Thread(new Runnable() { |
| private final Random random = new Random(); |
| |
| public void run() { |
| totalWritten.set(0); |
| int count = MESSAGE_COUNT; |
| try { |
| final OutputStream outputStream = connection.createOutputStream(destination); |
| try { |
| final byte[] buf = new byte[BUFFER_SIZE]; |
| random.nextBytes(buf); |
| while (count > 0 && !stopThreads.get()) { |
| outputStream.write(buf); |
| totalWritten.addAndGet(buf.length); |
| count--; |
| } |
| } finally { |
| outputStream.close(); |
| } |
| } catch (Exception e) { |
| writerException = e; |
| e.printStackTrace(); |
| } finally { |
| LOG.info(totalWritten + " total bytes written."); |
| } |
| } |
| }); |
| |
| readerThread.start(); |
| writerThread.start(); |
| |
| // Wait till reader is has finished receiving all the messages |
| // or he has stopped |
| // receiving messages. |
| Thread.sleep(1000); |
| int lastRead = totalRead.get(); |
| while (readerThread.isAlive()) { |
| readerThread.join(1000); |
| // No progress?? then stop waiting.. |
| if (lastRead == totalRead.get()) { |
| break; |
| } |
| lastRead = totalRead.get(); |
| } |
| |
| stopThreads.set(true); |
| |
| assertTrue("Should not have received a reader exception", readerException == null); |
| assertTrue("Should not have received a writer exception", writerException == null); |
| |
| Assert.assertEquals("Not all messages accounted for", totalWritten.get(), totalRead.get()); |
| |
| } finally { |
| session.close(); |
| } |
| } finally { |
| connection.close(); |
| } |
| } |
| |
| } |