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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.integration.client;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  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 static org.junit.jupiter.api.Assertions.fail;
  
  import java.net.URI;
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.TimeUnit;
  import java.util.concurrent.atomic.AtomicBoolean;
  
  import org.apache.activemq.artemis.api.core.ActiveMQException;
  import org.apache.activemq.artemis.api.core.ActiveMQNotConnectedException;
  import org.apache.activemq.artemis.api.core.ActiveMQObjectClosedException;
  import org.apache.activemq.artemis.api.core.Interceptor;
  import org.apache.activemq.artemis.api.core.client.ActiveMQClient;
  import org.apache.activemq.artemis.api.core.client.ClientSessionFactory;
  import org.apache.activemq.artemis.api.core.client.ServerLocator;
  import org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryInternal;
  import org.apache.activemq.artemis.core.client.impl.ServerLocatorImpl;
  import org.apache.activemq.artemis.core.client.impl.ServerLocatorInternal;
  import org.apache.activemq.artemis.core.config.Configuration;
  import org.apache.activemq.artemis.core.protocol.core.impl.PacketImpl;
  import org.apache.activemq.artemis.core.server.ActiveMQServer;
  import org.apache.activemq.artemis.logs.AssertionLoggerHandler;
  import org.apache.activemq.artemis.tests.util.ActiveMQTestBase;
  import org.apache.activemq.artemis.uri.ServerLocatorParser;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  public class ServerLocatorConnectTest extends ActiveMQTestBase {
  
     private ActiveMQServer server;
  
     @Override
     @BeforeEach
     public void setUp() throws Exception {
        super.setUp();
        Configuration configuration = createDefaultConfig(isNetty());
        server = createServer(false, configuration);
     }
  
     @Test
     public void testFailFastConnectOnClosing() throws Exception {
        server.start();
        CountDownLatch connectLatch = new CountDownLatch(1);
        CountDownLatch subscribeLatch = new CountDownLatch(1);
        AtomicBoolean connectTimedOut = new AtomicBoolean(false);
  
        ServerLocator locator = createNonHALocator(isNetty()).setCallTimeout(30000);
        try (ClientSessionFactory csf = locator.createSessionFactory()) {
           assertFalse(csf.isClosed());
        }
  
        server.getRemotingService().addIncomingInterceptor((Interceptor) (packet, connection) -> {
           if (packet.getType() == PacketImpl.SUBSCRIBE_TOPOLOGY_V2) {
              subscribeLatch.countDown();
              return false;
           }
           return true;
        });
  
        new Thread(() -> {
           try {
              locator.createSessionFactory();
           } catch (Exception e) {
              connectTimedOut.set(e.getClass() == ActiveMQObjectClosedException.class);
           }
           connectLatch.countDown();
        }).start();
  
        //wait for locator subscribing
        subscribeLatch.await();
  
        //close locator while it is waiting for topology
        locator.close();
  
        //check connect fails fast
        assertTrue(connectLatch.await(3000, TimeUnit.MILLISECONDS));
  
        //check connect timed out
        assertTrue(connectTimedOut.get());
     }
  
     @Test
     public void testURL() throws Exception {
        server.start();
        ServerLocatorParser parser = new ServerLocatorParser();
        // This URL was failing in some ConnectionFactoryTests.
        // The issue seemed to be the # to be creating extra spaces on the parsing
        // Added some treatment to fix that, and I kept the test here.
        URI uri = new URI("""
                             tcp://localhost:61616?&\
                             blockOnNonDurableSend=true&\
                             retryIntervalMultiplier=1.0&\
                             maxRetryInterval=2000&\
                             producerMaxRate=-1&\
                             blockOnDurableSend=true&connectionTTL=60000&\
                             compressLargeMessage=false&\
                             reconnectAttempts=0&\
                             cacheLargeMessagesClient=false&\
                             scheduledThreadPoolMaxSize=5&\
                             useGlobalPools=true&\
                             callFailoverTimeout=-1&\
                             initialConnectAttempts=1&\
                             clientFailureCheckPeriod=30000&\
                             blockOnAcknowledge=true&\
                             consumerWindowSize=1048576&\
                             minLargeMessageSize=102400&\
                             autoGroup=false&\
                             threadPoolMaxSize=-1&\
                             confirmationWindowSize=-1&\
                             transactionBatchSize=1048576&\
                             callTimeout=30000&\
                             preAcknowledge=false&\
                             connectionLoadBalancingPolicyClassName=org.apache.activemq.artemis.api.core.client.loadbalance.RoundRobinConnectionLoadBalancingPolicy&\
                             dupsOKBatchSize=1048576&\
                             initialMessagePacketSize=1500&\
                             consumerMaxRate=-1&\
                             retryInterval=2000&\
                             producerWindowSize=65536&\
                             port=61616&\
                             host=localhost#""");
  
        // try it a few times to make sure it fails if it's broken
        for (int i = 0; i < 10; i++) {
           ServerLocator locator = parser.newObject(uri, null);
           ClientSessionFactory csf = createSessionFactory(locator);
           csf.close();
           locator.close();
        }
  
     }
  
     @Test
     public void testSingleConnectorSingleServer() throws Exception {
        server.start();
        ServerLocator locator = ActiveMQClient.createServerLocatorWithoutHA(createTransportConfiguration(isNetty(), false, generateParams(0, isNetty())));
        ClientSessionFactory csf = createSessionFactory(locator);
        csf.close();
        locator.close();
     }
  
     @Test
     public void testSingleConnectorSingleServerConnect() throws Exception {
        server.start();
        ServerLocatorInternal locator = (ServerLocatorInternal) ActiveMQClient.createServerLocatorWithoutHA(createTransportConfiguration(isNetty(), false, generateParams(0, isNetty())));
        ClientSessionFactoryInternal csf = locator.connect();
        assertNotNull(csf);
        assertEquals(1, csf.numConnections());
        locator.close();
     }
  
     @Test
     public void testMultipleConnectorSingleServerConnect() throws Exception {
        server.start();
        ServerLocatorInternal locator = (ServerLocatorInternal) ActiveMQClient.createServerLocatorWithoutHA(createTransportConfiguration(isNetty(), false, generateParams(0, isNetty())), createTransportConfiguration(isNetty(), false, generateParams(1, isNetty())), createTransportConfiguration(isNetty(), false, generateParams(2, isNetty())), createTransportConfiguration(isNetty(), false, generateParams(3, isNetty())), createTransportConfiguration(isNetty(), false, generateParams(4, isNetty())));
        ClientSessionFactoryInternal csf = locator.connect();
        assertNotNull(csf);
        assertEquals(1, csf.numConnections());
        locator.close();
     }
  
     @Test
     public void testMultipleConnectorSingleServerConnectReconnect() throws Exception {
        server.start();
        ServerLocatorInternal locator = (ServerLocatorInternal) ActiveMQClient.createServerLocatorWithoutHA(createTransportConfiguration(isNetty(), false, generateParams(0, isNetty())), createTransportConfiguration(isNetty(), false, generateParams(1, isNetty())), createTransportConfiguration(isNetty(), false, generateParams(2, isNetty())), createTransportConfiguration(isNetty(), false, generateParams(3, isNetty())), createTransportConfiguration(isNetty(), false, generateParams(4, isNetty())));
        locator.setReconnectAttempts(15);
        ClientSessionFactoryInternal csf = locator.connect();
        assertNotNull(csf);
        assertEquals(1, csf.numConnections());
        locator.close();
     }
  
     @Test
     public void testMultipleConnectorSingleServerNoConnect() throws Exception {
        server.start();
        ServerLocatorInternal locator = (ServerLocatorInternal) ActiveMQClient.createServerLocatorWithoutHA(createTransportConfiguration(isNetty(), false, generateParams(1, isNetty())), createTransportConfiguration(isNetty(), false, generateParams(2, isNetty())), createTransportConfiguration(isNetty(), false, generateParams(3, isNetty())), createTransportConfiguration(isNetty(), false, generateParams(4, isNetty())), createTransportConfiguration(isNetty(), false, generateParams(5, isNetty())));
        ClientSessionFactoryInternal csf = null;
        try {
           csf = locator.connect();
        } catch (ActiveMQNotConnectedException nce) {
           //ok
        } catch (Exception e) {
           assertInstanceOf(ActiveMQException.class, e);
           fail("Invalid Exception type:" + ((ActiveMQException) e).getType());
        }
        assertNull(csf);
        locator.close();
     }
  
     @Test
     public void testMultipleConnectorSingleServerNoConnectAttemptReconnect() throws Exception {
        server.start();
        ServerLocatorInternal locator = (ServerLocatorInternal) ActiveMQClient.createServerLocatorWithoutHA(createTransportConfiguration(isNetty(), false, generateParams(1, isNetty())), createTransportConfiguration(isNetty(), false, generateParams(2, isNetty())), createTransportConfiguration(isNetty(), false, generateParams(3, isNetty())), createTransportConfiguration(isNetty(), false, generateParams(4, isNetty())), createTransportConfiguration(isNetty(), false, generateParams(5, isNetty())));
        locator.setReconnectAttempts(15);
        CountDownLatch countDownLatch = new CountDownLatch(1);
        Connector target = new Connector(locator, countDownLatch);
        Thread t = new Thread(target);
        t.start();
        //let them get started
        Thread.sleep(500);
        locator.close();
        assertTrue(countDownLatch.await(5, TimeUnit.SECONDS));
        assertNull(target.csf);
     }
  
     @Test
     public void testNoWarningWhenNotConnecting() throws Exception {
        try (AssertionLoggerHandler handler = new AssertionLoggerHandler()) {
           try (ServerLocatorImpl locator = (ServerLocatorImpl) ServerLocatorImpl.newLocator("tcp://localhost:61616")) {
              locator.connect();
              fail("Expected an exception");
           } catch (Exception expected) {
           }
  
           // The connect operation used to log a warning and throw an exception.
           // which will flood the logs when a server is being started for the first time.
           // Having the exception thrown only should be enough.
           assertFalse(handler.findText("AMQ212025"));
        }
     }
  
  
     public boolean isNetty() {
        return true;
     }
  
     static class Connector implements Runnable {
  
        private final ServerLocatorInternal locator;
        ClientSessionFactory csf = null;
        CountDownLatch latch;
        Exception e;
  
        Connector(ServerLocatorInternal locator, CountDownLatch latch) {
           this.locator = locator;
           this.latch = latch;
        }
  
        @Override
        public void run() {
           try {
              csf = locator.connect();
           } catch (Exception e) {
              this.e = e;
           }
           latch.countDown();
        }
     }
  }
  