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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.amqp;
  
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.lang.invoke.MethodHandles;
  import java.net.URI;
  import java.util.Arrays;
  import java.util.Collection;
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.ExecutorService;
  import java.util.concurrent.Executors;
  import java.util.concurrent.TimeUnit;
  
  import org.apache.activemq.artemis.core.config.Configuration;
  import org.apache.activemq.artemis.core.paging.impl.PagingManagerImpl;
  import org.apache.activemq.artemis.core.server.ActiveMQServer;
  import org.apache.activemq.artemis.core.server.files.FileStoreMonitor;
  import org.apache.activemq.artemis.core.server.impl.ActiveMQServerImpl;
  import org.apache.activemq.artemis.core.settings.impl.AddressFullMessagePolicy;
  import org.apache.activemq.artemis.core.settings.impl.AddressSettings;
  import org.apache.activemq.artemis.tests.extensions.parameterized.Parameter;
  import org.apache.activemq.artemis.tests.extensions.parameterized.ParameterizedTestExtension;
  import org.apache.activemq.artemis.tests.extensions.parameterized.Parameters;
  import org.apache.activemq.artemis.utils.Wait;
  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.AmqpSender;
  import org.apache.activemq.transport.amqp.client.AmqpSession;
  import org.junit.jupiter.api.TestTemplate;
  import org.junit.jupiter.api.extension.ExtendWith;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  @ExtendWith(ParameterizedTestExtension.class)
  public class GlobalDiskFullTest extends AmqpClientTestSupport {
     private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  
     @Parameter(index = 0)
     public AddressFullMessagePolicy addressFullPolicy;
  
     @Parameters(name = "addressFullPolicy={0}")
     public static Collection<Object[]> parameters() {
        return Arrays.asList(new Object[][] {
           {AddressFullMessagePolicy.FAIL}, {AddressFullMessagePolicy.DROP}, {AddressFullMessagePolicy.PAGE}
        });
     }
  
     @Override
     protected void configureAddressPolicy(ActiveMQServer server) {
        AddressSettings addressSettings = new AddressSettings();
        addressSettings.setAddressFullMessagePolicy(addressFullPolicy);
        server.getConfiguration().addAddressSetting(getQueueName(), addressSettings);
     }
  
     @Override
     protected void addConfiguration(ActiveMQServer server) {
        Configuration serverConfig = server.getConfiguration();
        serverConfig.setDiskScanPeriod(100);
     }
  
     protected void waitMonitor(FileStoreMonitor monitor) throws Exception {
        CountDownLatch latch = new CountDownLatch(1);
  
        FileStoreMonitor.Callback callback = (a, b, c, d) -> {
           latch.countDown();
        };
  
        monitor.addCallback(callback);
  
        assertTrue(latch.await(10, TimeUnit.SECONDS));
  
        monitor.removeCallback(callback);
     }
  
  
     @TestTemplate
     public void testProducerOnDiskFull() throws Exception {
  
        FileStoreMonitor monitor = ((ActiveMQServerImpl)server).getMonitor();
  
        waitMonitor(monitor);
  
        //make it full
        monitor.setMaxUsage(0.0);
  
        waitMonitor(monitor);
  
        AmqpClient client = createAmqpClient(new URI("tcp://localhost:" + AMQP_PORT));
        AmqpConnection connection = addConnection(client.connect());
  
        try {
           AmqpSession session = connection.createSession();
           AmqpSender sender = session.createSender(getQueueName());
           byte[] payload = new byte[1000];
  
           AmqpSender anonSender = session.createSender();
  
           CountDownLatch sentWithName = new CountDownLatch(1);
           CountDownLatch sentAnon = new CountDownLatch(1);
  
           ExecutorService pool = Executors.newCachedThreadPool();
           runAfter(pool::shutdownNow);
  
           pool.execute(() -> {
              try {
                 final AmqpMessage message = new AmqpMessage();
                 message.setBytes(payload);
                 sender.setSendTimeout(-1);
                 sender.send(message);
              } catch (Exception e) {
                 logger.warn("Caught exception while sending", e);
              } finally {
                 sentWithName.countDown();
              }
           });
           pool.execute(()-> {
              try {
                 final AmqpMessage message = new AmqpMessage();
                 message.setBytes(payload);
                 anonSender.setSendTimeout(-1);
                 message.setAddress(getQueueName());
                 anonSender.send(message);
                 sentAnon.countDown();
              } catch (Exception e) {
                 logger.warn("Caught exception while sending", e);
              }
           });
  
           PagingManagerImpl pagingManager = (PagingManagerImpl) server.getPagingManager();
           Wait.assertTrue(() -> pagingManager.getBlockedSet().size() > 0, 5000);
  
           assertFalse(sentWithName.await(100, TimeUnit.MILLISECONDS), "Thread sender should be blocked");
           assertFalse(sentAnon.await(100, TimeUnit.MILLISECONDS), "Thread sender anonymous should be blocked");
  
           // unblock
           monitor.setMaxUsage(100.0);
  
           waitMonitor(monitor);
  
           assertTrue(sentWithName.await(30, TimeUnit.SECONDS), "Thread sender should be released");
           assertTrue(sentAnon.await(30, TimeUnit.SECONDS), "Thread sender anonymous should be released");
  
           Wait.assertEquals(0, () -> pagingManager.getBlockedSet().size(), 5000);
        } finally {
           connection.close();
        }
     }
  
  }
  