/**
 * 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.broker.jmx;

import static junit.framework.TestCase.assertTrue;
import static org.junit.Assert.assertEquals;

import java.net.Socket;
import java.util.Set;

import javax.management.ObjectName;

import org.apache.activemq.ActiveMQConnection;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.network.NetworkConnector;
import org.apache.activemq.util.JMXSupport;
import org.apache.activemq.util.Wait;
import org.junit.After;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class TransportConnectorMBeanTest {

   private static final Logger LOG = LoggerFactory.getLogger(TransportConnectorMBeanTest.class);

   BrokerService broker;

   @Test
   public void verifyRemoteAddressInMbeanName() throws Exception {
      doVerifyRemoteAddressInMbeanName(true);
   }

   @Test
   public void verifyRemoteAddressNotInMbeanName() throws Exception {
      doVerifyRemoteAddressInMbeanName(false);
   }

   @Test
   public void verifyClientIdNetwork() throws Exception {
      doVerifyClientIdNetwork(false);
   }

   @Test
   public void verifyClientIdDuplexNetwork() throws Exception {
      doVerifyClientIdNetwork(true);
   }

   private void doVerifyClientIdNetwork(boolean duplex) throws Exception {
      createBroker(true);

      BrokerService networked = new BrokerService();
      networked.setBrokerName("networked");
      networked.setPersistent(false);
      NetworkConnector nc = networked.addNetworkConnector("static:" + broker.getTransportConnectors().get(0).getPublishableConnectString());
      nc.setDuplex(duplex);
      networked.start();

      try {
         assertTrue("presence of mbean with clientId", Wait.waitFor(new Wait.Condition() {
            @Override
            public boolean isSatisified() throws Exception {
               Set<ObjectName> registeredMbeans = getRegisteredMbeans();
               return match("_outbound", registeredMbeans);
            }
         }));

      }
      finally {
         networked.stop();
      }
   }

   private void doVerifyRemoteAddressInMbeanName(boolean allowRemoteAddress) throws Exception {
      createBroker(allowRemoteAddress);
      ActiveMQConnection connection = createConnection();
      Set<ObjectName> registeredMbeans = getRegisteredMbeans();
      assertEquals("presence of mbean with clientId", true, match(connection.getClientID(), registeredMbeans));
      assertEquals("presence of mbean with local port", allowRemoteAddress, match(extractLocalPort(connection), registeredMbeans));
   }

   @After
   public void stopBroker() throws Exception {
      if (broker != null) {
         broker.stop();
      }
   }

   private boolean match(String s, Set<ObjectName> registeredMbeans) {
      String encodedName = JMXSupport.encodeObjectNamePart(s);
      for (ObjectName name : registeredMbeans) {
         LOG.info("checking for match:" + encodedName + ", with: " + name.toString());
         if (name.toString().contains(encodedName)) {
            return true;
         }
      }
      return false;
   }

   private String extractLocalPort(ActiveMQConnection connection) throws Exception {
      Socket socket = connection.getTransport().narrow(Socket.class);
      return String.valueOf(socket.getLocalPort());
   }

   private Set<ObjectName> getRegisteredMbeans() throws Exception {
      // need a little sleep to ensure JMX is up to date
      Thread.sleep(200);
      return broker.getManagementContext().queryNames(null, null);
   }

   private ActiveMQConnection createConnection() throws Exception {
      final String opts = "?jms.watchTopicAdvisories=false";
      ActiveMQConnection connection = (ActiveMQConnection) new ActiveMQConnectionFactory(broker.getTransportConnectors().get(0).getConnectUri() + opts).createConnection();
      connection.start();
      return connection;
   }

   private void createBroker(boolean allowRemoteAddressInMbeanNames) throws Exception {
      broker = new BrokerService();
      broker.setPersistent(false);
      broker.addConnector("tcp://localhost:0");
      broker.getManagementContext().setAllowRemoteAddressInMBeanNames(allowRemoteAddressInMbeanNames);
      broker.start();
   }

}
