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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.
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  package org.apache.activemq.artemis.tests.unit.core.remoting.impl.netty;
  
  import java.util.HashMap;
  import java.util.Map;
  import java.util.concurrent.ExecutorService;
  import java.util.concurrent.Executors;
  import java.util.concurrent.ScheduledExecutorService;
  
  import org.apache.activemq.artemis.api.config.ActiveMQDefaultConfiguration;
  import org.apache.activemq.artemis.api.core.ActiveMQException;
  import org.apache.activemq.artemis.core.remoting.impl.netty.NettyAcceptor;
  import org.apache.activemq.artemis.core.remoting.impl.netty.TransportConstants;
  import org.apache.activemq.artemis.core.server.ActiveMQComponent;
  import org.apache.activemq.artemis.core.server.ActiveMQServer;
  import org.apache.activemq.artemis.spi.core.protocol.ProtocolManager;
  import org.apache.activemq.artemis.spi.core.remoting.BufferHandler;
  import org.apache.activemq.artemis.spi.core.remoting.Connection;
  import org.apache.activemq.artemis.spi.core.remoting.ServerConnectionLifeCycleListener;
  import org.apache.activemq.artemis.tests.extensions.PortCheckExtension;
  import org.apache.activemq.artemis.tests.util.ActiveMQTestBase;
  import org.apache.activemq.artemis.utils.ActiveMQThreadFactory;
  import org.apache.activemq.artemis.utils.RandomUtil;
  import org.apache.activemq.artemis.utils.Wait;
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  import static org.junit.jupiter.api.Assertions.fail;
  
  public class NettyAcceptorTest extends ActiveMQTestBase {
  
     private ScheduledExecutorService pool2;
     private ExecutorService pool3;
  
     @Override
     @BeforeEach
     public void setUp() throws Exception {
        super.setUp();
     }
  
     @Override
     @AfterEach
     public void tearDown() throws Exception {
        if (pool3 != null)
           pool3.shutdown();
  
        if (pool2 != null)
           pool2.shutdownNow();
  
        super.tearDown();
     }
  
     @Test
     public void testStartStop() throws Exception {
        BufferHandler handler = (connectionID, buffer) -> {
        };
  
        Map<String, Object> params = new HashMap<>();
        ServerConnectionLifeCycleListener listener = new ServerConnectionLifeCycleListener() {
  
           @Override
           public void connectionException(final Object connectionID, final ActiveMQException me) {
           }
  
           @Override
           public void connectionDestroyed(final Object connectionID, boolean failed) {
           }
  
           @Override
           public void connectionCreated(final ActiveMQComponent component,
                                         final Connection connection,
                                         final ProtocolManager protocol) {
           }
  
           @Override
           public void connectionReadyForWrites(Object connectionID, boolean ready) {
           }
        };
        pool2 = Executors.newScheduledThreadPool(ActiveMQDefaultConfiguration.getDefaultScheduledThreadPoolMaxSize(), ActiveMQThreadFactory.defaultThreadFactory(getClass().getName()));
        pool3 = Executors.newSingleThreadExecutor(ActiveMQThreadFactory.defaultThreadFactory(getClass().getName()));
        NettyAcceptor acceptor = new NettyAcceptor("netty", null, params, handler, listener, pool2, pool3, new HashMap<>(), null, null);
  
        addActiveMQComponent(acceptor);
        acceptor.start();
        assertTrue(acceptor.isStarted());
        acceptor.stop();
        assertFalse(acceptor.isStarted());
        assertTrue(PortCheckExtension.checkAvailable(TransportConstants.DEFAULT_PORT));
  
        acceptor.start();
        assertTrue(acceptor.isStarted());
        acceptor.stop();
        assertFalse(acceptor.isStarted());
        assertTrue(PortCheckExtension.checkAvailable(TransportConstants.DEFAULT_PORT));
     }
  
     @Test
     public void testAutoStart() throws Exception {
        ActiveMQServer server = createServer(false, createDefaultInVMConfig());
        server.getConfiguration().addAcceptorConfiguration("default", "tcp://127.0.0.1:61617");
        server.getConfiguration().addAcceptorConfiguration("start", "tcp://127.0.0.1:61618?autoStart=true");
        server.getConfiguration().addAcceptorConfiguration("noStart", "tcp://127.0.0.1:61619?autoStart=false");
        server.start();
        assertTrue(server.getRemotingService().getAcceptor("default").isStarted());
        assertTrue(server.getRemotingService().getAcceptor("start").isStarted());
        assertFalse(server.getRemotingService().getAcceptor("noStart").isStarted());
     }
  
     @Test
     public void testActualPort() throws Exception {
        String firstPort0 = RandomUtil.randomUUIDString();
        String secondPort0 = RandomUtil.randomUUIDString();
        String normal = RandomUtil.randomUUIDString();
        String invm = RandomUtil.randomUUIDString();
        ActiveMQServer server = createServer(false, createDefaultInVMConfig());
        server.getConfiguration().addAcceptorConfiguration(firstPort0, "tcp://127.0.0.1:0");
        server.getConfiguration().addAcceptorConfiguration(secondPort0, "tcp://127.0.0.1:0");
        server.getConfiguration().addAcceptorConfiguration(normal, "tcp://127.0.0.1:61616");
        server.getConfiguration().addAcceptorConfiguration(invm, "vm://1");
        server.start();
        Wait.assertTrue(() -> server.getRemotingService().getAcceptor(firstPort0).getActualPort() > 0);
        Wait.assertTrue(() -> server.getRemotingService().getAcceptor(secondPort0).getActualPort() > 0);
        Wait.assertTrue(() -> server.getRemotingService().getAcceptor(firstPort0).getActualPort() != server.getRemotingService().getAcceptor(secondPort0).getActualPort());
        Wait.assertEquals(61616, () -> server.getRemotingService().getAcceptor(normal).getActualPort());
        Wait.assertEquals(-1, () -> server.getRemotingService().getAcceptor(invm).getActualPort());
     }
  
     @Test
     public void testInvalidSSLConfig() {
        Map<String, Object> params = new HashMap<>();
        params.put(TransportConstants.SSL_ENABLED_PROP_NAME, "true");
  
        try {
           new NettyAcceptor("netty", null, params, null, null, null, null, Map.of(), null, null);
           fail("This should have failed with an IllegalArgumentException");
        } catch (IllegalArgumentException e) {
           // expected
        }
     }
  
     @Test
     public void testValidSSLConfig1() {
        Map<String, Object> params = new HashMap<>();
        params.put(TransportConstants.SSL_ENABLED_PROP_NAME, "true");
        params.put(TransportConstants.KEYSTORE_PROVIDER_PROP_NAME, RandomUtil.randomUUIDString());
        new NettyAcceptor("netty", null, params, null, null, null, null, Map.of(), null, null);
     }
  
     @Test
     public void testValidSSLConfig2() {
        Map<String, Object> params = new HashMap<>();
        params.put(TransportConstants.SSL_ENABLED_PROP_NAME, "true");
        params.put(TransportConstants.SSL_CONTEXT_PROP_NAME, RandomUtil.randomUUIDString());
        new NettyAcceptor("netty", null, params, null, null, null, null, Map.of(), null, null);
     }
  }
  