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.cluster.topology;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  import static org.junit.jupiter.api.Assertions.fail;
  
  import org.apache.activemq.artemis.api.core.DiscoveryGroupConfiguration;
  import org.apache.activemq.artemis.api.core.UDPBroadcastEndpointFactory;
  import org.apache.activemq.artemis.api.core.client.ActiveMQClient;
  import org.apache.activemq.artemis.api.core.client.ClientSession;
  import org.apache.activemq.artemis.api.core.client.ClientSessionFactory;
  import org.apache.activemq.artemis.core.client.impl.ServerLocatorImpl;
  import org.junit.jupiter.api.Test;
  
  import java.util.concurrent.CyclicBarrier;
  import java.util.concurrent.atomic.AtomicInteger;
  
  public class NettyHAClientTopologyWithDiscoveryTest extends HAClientTopologyWithDiscoveryTest {
  
     @Override
     protected boolean isNetty() {
        return true;
     }
  
  
  
     @Test
     public void testRecoveryBadUDPWithRetry() throws Exception {
        startServers(0);
        ServerLocatorImpl serverLocator = (ServerLocatorImpl) createHAServerLocator();
        serverLocator.setInitialConnectAttempts(10);
        serverLocator.initialize();
        serverLocator.getDiscoveryGroup().stop();
  
  
        ClientSessionFactory factory = serverLocator.createSessionFactory();
        ClientSession session = factory.createSession();
        session.close();
     }
  
     @Test
     public void testRecoveryBadUDPWithoutRetry() throws Exception {
        startServers(0);
        ServerLocatorImpl serverLocator = (ServerLocatorImpl) createHAServerLocator();
        serverLocator.setInitialConnectAttempts(0);
        serverLocator.initialize();
        serverLocator.getDiscoveryGroup().stop();
  
  
        boolean failure = false;
        try {
           ClientSessionFactory factory = serverLocator.createSessionFactory();
           ClientSession session = factory.createSession();
           session.close();
           factory.close();
        } catch (Exception e) {
           e.printStackTrace();
           failure = true;
        }
  
        assertTrue(failure);
  
        ClientSessionFactory factory = serverLocator.createSessionFactory();
        ClientSession session = factory.createSession();
        session.close();
        factory.close();
  
     }
  
     @Test
     public void testNoServer() {
        final ServerLocatorImpl serverLocator = (ServerLocatorImpl)ActiveMQClient.createServerLocatorWithHA(new DiscoveryGroupConfiguration().
                setBroadcastEndpointFactory(new UDPBroadcastEndpointFactory().setGroupAddress(groupAddress).
                        setGroupPort(groupPort)).setDiscoveryInitialWaitTimeout(10)).setInitialConnectAttempts(0);
        addServerLocator(serverLocator);
        serverLocator.setInitialConnectAttempts(3);
  
        try {
           serverLocator.createSessionFactory();
           fail("Exception was expected");
        } catch (Exception e) {
        }
     }
  
  
     @Test
     public void testConnectWithMultiThread() throws Exception {
        final AtomicInteger errors = new AtomicInteger(0);
        int NUMBER_OF_THREADS = 100;
        final CyclicBarrier barrier = new CyclicBarrier(NUMBER_OF_THREADS);
        final ServerLocatorImpl serverLocator = (ServerLocatorImpl)ActiveMQClient.createServerLocatorWithHA(new DiscoveryGroupConfiguration().
                setBroadcastEndpointFactory(new UDPBroadcastEndpointFactory().setGroupAddress(groupAddress).
                        setGroupPort(groupPort)).setDiscoveryInitialWaitTimeout(1000)).setInitialConnectAttempts(0);
        serverLocator.setBlockOnNonDurableSend(true).setBlockOnDurableSend(true);
        addServerLocator(serverLocator);
  
        startServers(0);
  
        try {
  
           serverLocator.setInitialConnectAttempts(0);
  
           Runnable runnable = () -> {
              try {
                 barrier.await();
  
                 ClientSessionFactory factory = serverLocator.createSessionFactory();
                 ClientSession session = factory.createSession();
                 session.close();
                 factory.close();
  
              } catch (Exception e) {
                 e.printStackTrace();
                 errors.incrementAndGet();
              }
           };
  
  
           Thread[] threads = new Thread[NUMBER_OF_THREADS];
  
           for (int i = 0; i < threads.length; i++) {
              threads[i] = new Thread(runnable);
              threads[i].start();
           }
  
           for (Thread t : threads) {
              t.join();
           }
  
  
           assertEquals(0, errors.get());
  
           serverLocator.close();
  
           serverLocator.getDiscoveryGroup().stop();
        } finally {
           stopServers(0);
        }
     }
  
  
  
  
  
  }
  