content: /*
   * 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.artemis.tests.integration.amqp.largemessages;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertInstanceOf;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.lang.invoke.MethodHandles;
  import java.net.URI;
  import java.net.URISyntaxException;
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.CyclicBarrier;
  import java.util.concurrent.TimeUnit;
  
  import org.apache.activemq.artemis.api.core.Message;
  import org.apache.activemq.artemis.core.server.ActiveMQServer;
  import org.apache.activemq.artemis.core.server.LargeServerMessage;
  import org.apache.activemq.artemis.core.server.MessageReference;
  import org.apache.activemq.artemis.core.server.Queue;
  import org.apache.activemq.artemis.tests.integration.amqp.AmqpClientTestSupport;
  import org.apache.activemq.artemis.utils.SpawnedVMSupport;
  import org.apache.activemq.artemis.utils.collections.LinkedListIterator;
  import org.apache.activemq.transport.amqp.client.AmqpClient;
  import org.apache.activemq.transport.amqp.client.AmqpConnection;
  import org.apache.activemq.transport.amqp.client.AmqpMessage;
  import org.apache.activemq.transport.amqp.client.AmqpReceiver;
  import org.apache.activemq.transport.amqp.client.AmqpSender;
  import org.apache.activemq.transport.amqp.client.AmqpSession;
  import org.apache.qpid.proton.amqp.messaging.Data;
  import org.junit.jupiter.api.Test;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class InterruptedAMQPLargeMessage extends AmqpClientTestSupport {
  
     private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  
     private static final int NUMBER_OF_THREADS = 10;
     private static final int MINIMAL_SEND = 2;
  
     private static final int MESSAGE_SIZE = 1024 * 300;
  
     private static final String smallFrameAcceptor = new String("tcp://localhost:" + (AMQP_PORT + 8));
  
     @Override
     protected void addAdditionalAcceptors(ActiveMQServer server) throws Exception {
        server.getConfiguration().addAcceptorConfiguration("flow", smallFrameAcceptor + "?protocols=AMQP;useEpoll=false;maxFrameSize=" + 512 + ";amqpMinLargeMessageSize=" + 10000);
     }
  
     public static void main(String[] arg) {
        // have everybody aligned on sending before we start
        CyclicBarrier startFlag = new CyclicBarrier(NUMBER_OF_THREADS);
  
        CountDownLatch minimalKill = new CountDownLatch(MINIMAL_SEND * NUMBER_OF_THREADS);
        Runnable runnable = () -> {
  
           try {
              AmqpClient client = createLocalClient();
              AmqpConnection connection = client.createConnection();
              connection.setMaxFrameSize(2 * 1024);
              connection.connect();
              AmqpSession session = connection.createSession();
  
              AmqpSender sender = session.createSender(arg[0]);
              startFlag.await();
              for (int m = 0; m < 1000; m++) {
                 AmqpMessage message = new AmqpMessage();
                 message.setDurable(true);
                 byte[] bytes = new byte[MESSAGE_SIZE];
                 for (int i = 0; i < bytes.length; i++) {
                    bytes[i] = (byte) 'z';
                 }
  
                 message.setBytes(bytes);
                 sender.send(message);
                 minimalKill.countDown();
              }
              connection.close();
           } catch (Exception e) {
              e.printStackTrace();
           }
        };
  
  
        for (int t = 0; t < NUMBER_OF_THREADS; t++) {
           Thread thread = new Thread(runnable);
           thread.start();
        }
  
        try {
           minimalKill.await();
        } catch (Exception e) {
           e.printStackTrace();
        }
        System.exit(-1);
     }
  
     private static AmqpClient createLocalClient() throws URISyntaxException {
        return new AmqpClient(new URI(smallFrameAcceptor), null, null);
     }
  
     @Test
     public void testInterruptedLargeMessage() throws Exception {
        Process p = SpawnedVMSupport.spawnVM(InterruptedAMQPLargeMessage.class.getName(), getQueueName());
        p.waitFor();
  
        Queue serverQueue = server.locateQueue(getQueueName());
  
        assertTrue(serverQueue.getMessageCount() >= MINIMAL_SEND * NUMBER_OF_THREADS);
  
        LinkedListIterator<MessageReference> browserIterator = serverQueue.browserIterator();
  
        while (browserIterator.hasNext()) {
           MessageReference ref = browserIterator.next();
           Message message = ref.getMessage();
  
           assertNotNull(message);
           assertInstanceOf(LargeServerMessage.class, message);
        }
        browserIterator.close();
  
        logger.debug("There are {} on the queue", serverQueue.getMessageCount());
        int messageCount = (int)serverQueue.getMessageCount();
  
        AmqpClient client = createLocalClient();
        AmqpConnection connection = addConnection(client.createConnection());
        connection.setMaxFrameSize(2 * 1024);
        connection.connect();
        AmqpSession session = connection.createSession();
        AmqpReceiver receiver = session.createReceiver(getQueueName());
  
        int received = 0;
        receiver.flow(messageCount + 10);
        for (int m = 0; m < messageCount; m++) {
           receiver.flow(1);
           AmqpMessage message = receiver.receive(10, TimeUnit.SECONDS);
           assertNotNull(message);
           message.accept(true);
           received++;
  
           logger.debug("Received {}", received);
           Data data = (Data)message.getWrappedMessage().getBody();
           byte[] byteArray = data.getValue().getArray();
  
           assertEquals(MESSAGE_SIZE, byteArray.length);
           for (int i = 0; i < byteArray.length; i++) {
              assertEquals((byte)'z', byteArray[i]);
           }
        }
  
  
        assertNull(receiver.receiveNoWait());
  
        validateNoFilesOnLargeDir();
     }
  
  }
  