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   * 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.plugin;
  
  import org.apache.activemq.artemis.api.core.ActiveMQException;
  import org.apache.activemq.artemis.api.core.ActiveMQIOErrorException;
  import org.apache.activemq.artemis.api.core.Message;
  import org.apache.activemq.artemis.api.core.QueueConfiguration;
  import org.apache.activemq.artemis.api.core.RoutingType;
  import org.apache.activemq.artemis.api.core.TransportConfiguration;
  import org.apache.activemq.artemis.core.config.Configuration;
  import org.apache.activemq.artemis.core.remoting.impl.netty.TransportConstants;
  import org.apache.activemq.artemis.core.server.ServerSession;
  import org.apache.activemq.artemis.core.server.plugin.ActiveMQServerPlugin;
  import org.apache.activemq.artemis.core.transaction.Transaction;
  import org.apache.activemq.artemis.tests.util.CFUtil;
  import org.apache.activemq.artemis.tests.util.JMSTestBase;
  import org.junit.jupiter.api.Test;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import javax.jms.Connection;
  import javax.jms.ConnectionFactory;
  import javax.jms.MessageProducer;
  import javax.jms.Queue;
  import javax.jms.Session;
  import javax.jms.TextMessage;
  
  import java.lang.invoke.MethodHandles;
  import java.util.HashMap;
  import java.util.Map;
  import java.util.Random;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  public class BeforeSendPluginTest extends JMSTestBase {
  
     private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  
     private static final int BROKER_PLUGIN_MESSAGE_SIZE_LIMIT = 10_000;
  
     private static final int MIN_LARGE_MESSAGE_SIZE = 16384;
  
     private static final int LARGE_MESSAGE_SIZE = MIN_LARGE_MESSAGE_SIZE + 1000;
     private static final int NON_LARGE_MESSAGE_SIZE = MIN_LARGE_MESSAGE_SIZE - 1000;
  
     @Override
     protected Configuration createDefaultConfig(boolean netty) throws Exception {
        Configuration config = super.createDefaultConfig(netty);
        config.getAcceptorConfigurations().clear();
  
        Map<String, Object> params = new HashMap<>();
        params.put(TransportConstants.PORT_PROP_NAME, 61616);
        params.put(TransportConstants.PROTOCOLS_PROP_NAME, "CORE,AMQP,OPENWIRE");
        params.put("amqpMinLargeMessageSize", MIN_LARGE_MESSAGE_SIZE);
  
        TransportConfiguration transportConfiguration = new TransportConfiguration(NETTY_ACCEPTOR_FACTORY, params, "netty-acceptor", new HashMap<>());
  
        config.addAcceptorConfiguration(transportConfiguration);
  
        config.registerBrokerPlugin(new BeforeSendPlugin(BROKER_PLUGIN_MESSAGE_SIZE_LIMIT));
  
        return config;
     }
  
     @Override
     public boolean usePersistence() {
        return true;
     }
  
     @Test
     public void testCORESend() throws Exception {
        internalTestSendReceive("CORE", NON_LARGE_MESSAGE_SIZE, false);
     }
  
     @Test
     public void testCORESendLarge() throws Exception {
        internalTestSendReceive("CORE", LARGE_MESSAGE_SIZE, false);
     }
  
     @Test
     public void testCORESendTransactional() throws Exception {
        internalTestSendReceive("CORE", NON_LARGE_MESSAGE_SIZE, true);
     }
  
     @Test
     public void testCORESendLargeTransactional() throws Exception {
        internalTestSendReceive("CORE", LARGE_MESSAGE_SIZE, true);
     }
  
     @Test
     public void testAMQPSend() throws Exception {
        internalTestSendReceive("AMQP", NON_LARGE_MESSAGE_SIZE, false);
     }
  
     @Test
     public void testAMQPSendLarge() throws Exception {
        internalTestSendReceive("AMQP", LARGE_MESSAGE_SIZE, false);
     }
  
     @Test
     public void testAMQPSendTransactional() throws Exception {
        internalTestSendReceive("AMQP", NON_LARGE_MESSAGE_SIZE, true);
     }
  
     @Test
     public void testAMQPSendLargeTransactional() throws Exception {
        internalTestSendReceive("AMQP", LARGE_MESSAGE_SIZE, true);
     }
  
     @Test
     public void testOpenwireSend() throws Exception {
        internalTestSendReceive("OPENWIRE", NON_LARGE_MESSAGE_SIZE, false);
     }
  
     @Test
     public void testOpenwireSendLarge() throws Exception {
        internalTestSendReceive("OPENWIRE", LARGE_MESSAGE_SIZE, false);
     }
  
     @Test
     public void testOpenwireSendTransactional() throws Exception {
        internalTestSendReceive("OPENWIRE", NON_LARGE_MESSAGE_SIZE, true);
     }
  
     @Test
     public void testOpenwireSendLargeTransactional() throws Exception {
        internalTestSendReceive("OPENWIRE", LARGE_MESSAGE_SIZE, true);
     }
  
     private void internalTestSendReceive(String protocol, int messageSize, boolean transacted) throws Exception {
        ConnectionFactory connectionFactory = CFUtil.createConnectionFactory(protocol, "tcp://localhost:61616");
  
        server.createQueue(QueueConfiguration.of(getTestMethodName()).setAddress(getTestMethodName()).setRoutingType(RoutingType.ANYCAST));
  
        try (Connection connection = connectionFactory.createConnection()) {
           final Session session;
  
           if (transacted) {
              session = connection.createSession(true, Session.SESSION_TRANSACTED);
           } else {
              session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
           }
  
           final Queue queue = session.createQueue(getTestMethodName());
           final MessageProducer producer = session.createProducer(queue);
  
           final byte[] payload = new byte[messageSize];
           final Random random = new Random(System.currentTimeMillis());
  
           random.nextBytes(payload);
  
           boolean hadExceptionOnSend = false;
  
           final TextMessage sentMessage = session.createTextMessage(new String(payload));
  
           try {
              producer.send(sentMessage);
           } catch (Exception e) {
              logger.debug("Caught exception on producer send: ", e);
              hadExceptionOnSend = true;
           }
  
           if (!transacted) {
              assertTrue(hadExceptionOnSend);
           }
  
           assertEquals(0, server.locateQueue(getTestMethodName()).getMessageCount());
  
           if (transacted) {
              boolean hadExceptionOnCommit = false;
              try {
                 session.commit();
              } catch (Exception e) {
                 logger.debug("Caught exception on commit transaction: ", e);
                 hadExceptionOnCommit = true;
              }
  
              assertTrue(hadExceptionOnCommit);
              assertEquals(0, server.locateQueue(getTestMethodName()).getMessageCount());
           }
  
           connection.close();
        }
  
        validateNoFilesOnLargeDir();
     }
  
     private class BeforeSendPlugin implements ActiveMQServerPlugin {
  
        private final long maxMessageSize;
  
        BeforeSendPlugin(long maxMessageSize) {
           this.maxMessageSize = maxMessageSize;
        }
  
        @Override
        public void beforeSend(ServerSession session, Transaction tx, Message message, boolean direct, boolean noAutoCreateQueue) throws ActiveMQException {
           final long messageSize = message.getWholeMessageSize();
  
           if (messageSize > maxMessageSize) {
              throw new ActiveMQIOErrorException("Message of size " + messageSize + " exceeded size limit of " + maxMessageSize);
           }
        }
     }
  }
  