| /* |
| * 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.geode.internal.cache; |
| |
| import static org.apache.geode.distributed.ConfigurationProperties.MCAST_PORT; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.IOException; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.Properties; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import org.apache.geode.cache.Cache; |
| import org.apache.geode.cache.CacheException; |
| import org.apache.geode.cache.CacheFactory; |
| import org.apache.geode.cache.Region; |
| import org.apache.geode.distributed.DistributedSystem; |
| import org.apache.geode.internal.AvailablePort; |
| import org.apache.geode.internal.cache.ha.HAContainerWrapper; |
| import org.apache.geode.internal.cache.ha.HARegionQueue; |
| |
| /** |
| * Test to verify that each bridge sever creates its own client_messages_region at its start and |
| * destroys it when it stops. |
| * |
| * @since GemFire 5.7 |
| */ |
| public class ClientMessagesRegionCreationAndDestroyJUnitTest { |
| |
| /** The cache instance */ |
| private Cache cache = null; |
| // max number of cache server can attached to the cache |
| private int brigeNum = 5; |
| // stores corresponding names of client messages region created by bridge |
| // server |
| private HashSet regionNames = new HashSet(); |
| |
| /** |
| * Create the cache in setup. |
| * |
| * @throws Exception - thrown if any exception occurs in setUp |
| */ |
| @Before |
| public void setUp() throws Exception { |
| cache = createCache(); |
| } |
| |
| /** |
| * Create and attach cache server to cache |
| * |
| */ |
| |
| private void attachBridgeServer() throws IOException { |
| CacheServerImpl server = (CacheServerImpl) cache.addCacheServer(); |
| assertNotNull(server); |
| int port = AvailablePort.getRandomAvailablePort(AvailablePort.SOCKET); |
| server.setPort(port); |
| server.getClientSubscriptionConfig().setEvictionPolicy(HARegionQueue.HA_EVICTION_POLICY_ENTRY); |
| server.start(); |
| assertNotNull("client messages region is null ", |
| server.getAcceptor().getCacheClientNotifier().getHaContainer()); |
| // check for is LIFO Enable |
| String regionName = |
| ((HAContainerWrapper) server.getAcceptor().getCacheClientNotifier().getHaContainer()) |
| .getName(); |
| EvictionAttributesImpl ea = (EvictionAttributesImpl) cache |
| .getRegion(Region.SEPARATOR + regionName).getAttributes().getEvictionAttributes(); |
| assertTrue("Eviction Algorithm is not LIFO", ea.isLIFO()); |
| // The CacheClientNotifier is a singleton. |
| if (cache.getCacheServers().size() <= 1) { |
| assertTrue("client messages region name should not be present ", |
| (regionNames).add(regionName)); |
| } else { |
| assertTrue("client messages region name should have been already present ", |
| (regionNames).contains(regionName)); |
| } |
| } |
| |
| /** |
| * This test does the following :<br> |
| * 1)Verify client messages region get created when bridge serve start's <br> |
| * 2)Verify client messages region get destroy when bridge serve stop's <br> |
| */ |
| @Test |
| public void testCreationAndDestroyOfClientMessagesRegion() { |
| for (int i = 0; i < 5; i++) { |
| // sequential |
| attachmentOfBridgeServer(); |
| } |
| // making sure stop all servers |
| dettachmentOfBridgeServer(); |
| } |
| |
| /** |
| * Attach cache server |
| */ |
| private void attachmentOfBridgeServer() { |
| if (cache.getCacheServers().size() < brigeNum) { |
| try { |
| // attaching and starting cache server |
| attachBridgeServer(); |
| } catch (IOException e) { |
| e.printStackTrace(); |
| } |
| } |
| } |
| |
| /** |
| * Stop's all cache servers attached |
| */ |
| private void dettachmentOfBridgeServer() { |
| // detach all cache server to test destroy of client_messages_region |
| for (Iterator itr = cache.getCacheServers().iterator(); itr.hasNext();) { |
| CacheServerImpl server = (CacheServerImpl) itr.next(); |
| String rName = |
| ((HAContainerWrapper) server.getAcceptor().getCacheClientNotifier().getHaContainer()) |
| .getName(); |
| assertNotNull("client messages region is null ", cache.getRegion(Region.SEPARATOR + rName)); |
| server.stop(); |
| |
| if (!itr.hasNext()) { |
| assertNull("client messages region is not null ", |
| cache.getRegion(Region.SEPARATOR + rName)); |
| } |
| } |
| } |
| |
| /** |
| * Close the cache in tear down * |
| * |
| * @throws Exception - thrown if any exception occurs in tearDown |
| */ |
| @After |
| public void tearDown() throws Exception { |
| // its stops all bridge serves associated with cache |
| // delete client_messages_region |
| cache.close(); |
| } |
| |
| /** |
| * Creates the cache instance for the test |
| * |
| * @return the cache instance |
| * @throws CacheException - thrown if any exception occurs in cache creation |
| */ |
| private Cache createCache() throws CacheException { |
| Properties p = new Properties(); |
| p.put(MCAST_PORT, "0"); |
| return CacheFactory.create(DistributedSystem.connect(p)); |
| } |
| |
| } |