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.transport.amqp.interop;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertTrue;
  
  import java.net.URI;
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.TimeUnit;
  
  import org.apache.activemq.transport.amqp.client.AmqpClient;
  import org.apache.activemq.transport.amqp.client.AmqpClientTestSupport;
  import org.apache.activemq.transport.amqp.client.AmqpConnection;
  import org.apache.activemq.transport.amqp.client.AmqpConnectionListener;
  import org.apache.activemq.util.SocketProxy;
  import org.apache.activemq.util.Wait;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Test;
  
  /**
   * Test for idle timeout processing using SocketProxy to interrupt coms.
   */
  public class AmqpSocketProxyIdleTimeoutTests extends AmqpClientTestSupport {
  
      private final int TEST_IDLE_TIMEOUT = 3000;
  
      private SocketProxy socketProxy;
  
      @Override
      @Before
      public void setUp() throws Exception {
          super.setUp();
  
          socketProxy = new SocketProxy(super.getBrokerAmqpConnectionURI());
      }
  
      @Override
      @After
      public void tearDown() throws Exception {
          if (socketProxy != null) {
              socketProxy.close();
              socketProxy = null;
          }
  
          super.tearDown();
      }
  
      @Override
      public URI getBrokerAmqpConnectionURI() {
          return socketProxy.getUrl();
      }
  
      @Override
      protected String getAdditionalConfig() {
          return "&transport.wireFormat.idleTimeout=" + TEST_IDLE_TIMEOUT;
      }
  
      @Test(timeout = 60000)
      public void testBrokerSendsRequestedHeartbeats() throws Exception {
  
          final CountDownLatch disconnected = new CountDownLatch(1);
  
          AmqpClient client = createAmqpClient();
          assertNotNull(client);
  
          AmqpConnection connection = trackConnection(client.createConnection());
          connection.setIdleTimeout(TEST_IDLE_TIMEOUT);
          assertNotNull(connection);
  
          connection.setListener(new AmqpConnectionListener() {
  
              @Override
              public void onException(Throwable ex) {
                  disconnected.countDown();
              }
          });
  
          connection.connect();
  
          assertEquals(1, getProxyToBroker().getCurrentConnectionsCount());
          assertFalse(disconnected.await(5, TimeUnit.SECONDS));
          assertEquals(1, getProxyToBroker().getCurrentConnectionsCount());
  
          socketProxy.pause();
  
          assertEquals(1, getProxyToBroker().getCurrentConnectionsCount());
          assertTrue(disconnected.await(10, TimeUnit.SECONDS));
  
          socketProxy.goOn();
  
          connection.close();
  
          assertTrue("Connection should get cleaned up.", Wait.waitFor(new Wait.Condition() {
  
              @Override
              public boolean isSatisified() throws Exception {
                  return getProxyToBroker().getCurrentConnectionsCount() == 0;
              }
          }));
      }
  
      @Test(timeout = 60000)
      public void testClientWithoutHeartbeatsGetsDropped() throws Exception {
  
          final CountDownLatch disconnected = new CountDownLatch(1);
  
          AmqpClient client = createAmqpClient();
          assertNotNull(client);
  
          AmqpConnection connection = trackConnection(client.createConnection());
          connection.setCloseTimeout(1000);  // Socket will have silently gone away, don't wait to long.
          assertNotNull(connection);
  
          connection.setListener(new AmqpConnectionListener() {
  
              @Override
              public void onException(Throwable ex) {
                  disconnected.countDown();
              }
          });
  
          connection.connect();
  
          assertEquals(1, getProxyToBroker().getCurrentConnectionsCount());
  
          socketProxy.pause();
  
          // Client still sends ok but broker doesn't see them.
          assertFalse(disconnected.await(5, TimeUnit.SECONDS));
          socketProxy.halfClose();
          assertTrue(disconnected.await(15, TimeUnit.SECONDS));
          socketProxy.close();
  
          connection.close();
  
          assertTrue("Connection should get cleaned up.", Wait.waitFor(new Wait.Condition() {
  
              @Override
              public boolean isSatisified() throws Exception {
                  return getProxyToBroker().getCurrentConnectionsCount() == 0;
              }
          }));
      }
  }
  