| /* |
| * 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.ha; |
| |
| import static org.apache.geode.distributed.ConfigurationProperties.LOCATORS; |
| import static org.apache.geode.distributed.ConfigurationProperties.MCAST_PORT; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.fail; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Properties; |
| |
| import org.junit.Ignore; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| import org.apache.geode.cache.AttributesFactory; |
| import org.apache.geode.cache.Cache; |
| import org.apache.geode.cache.CacheException; |
| import org.apache.geode.cache.CacheFactory; |
| import org.apache.geode.cache.CacheListener; |
| import org.apache.geode.cache.DataPolicy; |
| import org.apache.geode.cache.EntryEvent; |
| import org.apache.geode.cache.InterestResultPolicy; |
| import org.apache.geode.cache.Region; |
| import org.apache.geode.cache.RegionAttributes; |
| import org.apache.geode.cache.Scope; |
| import org.apache.geode.cache.util.CacheListenerAdapter; |
| import org.apache.geode.cache30.CacheSerializableRunnable; |
| import org.apache.geode.cache30.ClientServerTestCase; |
| import org.apache.geode.distributed.DistributedSystem; |
| import org.apache.geode.internal.AvailablePort; |
| import org.apache.geode.internal.cache.CacheServerImpl; |
| import org.apache.geode.test.dunit.Host; |
| import org.apache.geode.test.dunit.IgnoredException; |
| import org.apache.geode.test.dunit.NetworkUtils; |
| import org.apache.geode.test.dunit.VM; |
| import org.apache.geode.test.dunit.internal.JUnit4DistributedTestCase; |
| import org.apache.geode.test.junit.categories.ClientSubscriptionTest; |
| |
| /** |
| * This is the Dunit test to verify the duplicates after the fail over The test perorms following |
| * operations 1. Create 2 servers and 1 client 2. Perform put operations for knows set of keys |
| * directy from the server1. 3. Stop the server1 so that fail over happens 4. Validate the |
| * duplicates received by the client1 |
| */ |
| @Category({ClientSubscriptionTest.class}) |
| public class HADuplicateDUnitTest extends JUnit4DistributedTestCase { |
| |
| VM server1 = null; |
| |
| VM server2 = null; |
| |
| VM client1 = null; |
| |
| VM client2 = null; |
| |
| private static final String REGION_NAME = "HADuplicateDUnitTest_Region"; |
| |
| protected static Cache cache = null; |
| |
| static boolean isEventDuplicate = true; |
| |
| static CacheServerImpl server = null; |
| |
| static final int NO_OF_PUTS = 100; |
| |
| public static final Object dummyObj = "dummyObject"; |
| |
| static boolean waitFlag = true; |
| |
| static int put_counter = 0; |
| |
| static Map storeEvents = new HashMap(); |
| |
| @Override |
| public final void postSetUp() throws Exception { |
| final Host host = Host.getHost(0); |
| |
| server1 = host.getVM(0); |
| |
| server2 = host.getVM(1); |
| |
| client1 = host.getVM(2); |
| |
| client2 = host.getVM(3); |
| } |
| |
| @Override |
| public final void preTearDown() throws Exception { |
| client1.invoke(() -> HADuplicateDUnitTest.closeCache()); |
| // close server |
| server1.invoke(() -> HADuplicateDUnitTest.reSetQRMslow()); |
| server1.invoke(() -> HADuplicateDUnitTest.closeCache()); |
| server2.invoke(() -> HADuplicateDUnitTest.closeCache()); |
| } |
| |
| @Ignore("TODO") |
| @Test |
| public void testDuplicate() throws Exception { |
| createClientServerConfiguration(); |
| server1.invoke(putForKnownKeys()); |
| server1.invoke(stopServer()); |
| |
| // wait till all the duplicates are received by client |
| client1.invoke(new CacheSerializableRunnable("waitForPutToComplete") { |
| |
| @Override |
| public void run2() throws CacheException { |
| synchronized (dummyObj) { |
| while (waitFlag) { |
| try { |
| dummyObj.wait(); |
| } catch (InterruptedException e) { |
| fail("interrupted"); |
| } |
| } |
| } |
| |
| if (waitFlag) |
| fail("test failed"); |
| } |
| }); |
| |
| // validate the duplicates received by client |
| client1.invoke(new CacheSerializableRunnable("validateDuplicates") { |
| @Override |
| public void run2() throws CacheException { |
| if (!isEventDuplicate) |
| fail(" Not all duplicates received"); |
| |
| } |
| }); |
| |
| server1.invoke(() -> HADuplicateDUnitTest.reSetQRMslow()); |
| } |
| |
| @Test |
| public void testSample() throws Exception { |
| IgnoredException.addIgnoredException("IOException"); |
| IgnoredException.addIgnoredException("Connection reset"); |
| createClientServerConfiguration(); |
| server1.invoke(new CacheSerializableRunnable("putKey") { |
| |
| @Override |
| public void run2() throws CacheException { |
| Region region = cache.getRegion(Region.SEPARATOR + REGION_NAME); |
| assertNotNull(region); |
| region.put("key1", "value1"); |
| |
| } |
| }); |
| } |
| |
| // function to perform put operations for the known set of keys. |
| private CacheSerializableRunnable putForKnownKeys() { |
| |
| CacheSerializableRunnable putforknownkeys = new CacheSerializableRunnable("putforknownkeys") { |
| |
| @Override |
| public void run2() throws CacheException { |
| Region region = cache.getRegion(Region.SEPARATOR + REGION_NAME); |
| assertNotNull(region); |
| for (int i = 0; i < NO_OF_PUTS; i++) { |
| region.put("key" + i, "value" + i); |
| } |
| } |
| |
| }; |
| |
| return putforknownkeys; |
| } |
| |
| // function to stop server so that the fail over happens |
| private CacheSerializableRunnable stopServer() { |
| |
| CacheSerializableRunnable stopserver = new CacheSerializableRunnable("stopServer") { |
| @Override |
| public void run2() throws CacheException { |
| server.stop(); |
| } |
| |
| }; |
| |
| return stopserver; |
| } |
| |
| // function to create 2servers and 1 clients |
| private void createClientServerConfiguration() { |
| int PORT1 = |
| ((Integer) server1.invoke(() -> HADuplicateDUnitTest.createServerCache())).intValue(); |
| server1.invoke(() -> HADuplicateDUnitTest.setQRMslow()); |
| int PORT2 = |
| ((Integer) server2.invoke(() -> HADuplicateDUnitTest.createServerCache())).intValue(); |
| String hostname = NetworkUtils.getServerHostName(Host.getHost(0)); |
| client1.invoke(() -> HADuplicateDUnitTest.createClientCache(hostname, new Integer(PORT1), |
| new Integer(PORT2))); |
| |
| } |
| |
| // function to set QRM slow |
| public static void setQRMslow() { |
| System.setProperty("QueueRemovalThreadWaitTime", "100000"); |
| } |
| |
| public static void reSetQRMslow() { |
| System.setProperty("QueueRemovalThreadWaitTime", "1000"); |
| } |
| |
| public static Integer createServerCache() throws Exception { |
| new HADuplicateDUnitTest().createCache(new Properties()); |
| AttributesFactory factory = new AttributesFactory(); |
| factory.setScope(Scope.DISTRIBUTED_ACK); |
| factory.setDataPolicy(DataPolicy.REPLICATE); |
| RegionAttributes attrs = factory.create(); |
| cache.createRegion(REGION_NAME, attrs); |
| server = (CacheServerImpl) cache.addCacheServer(); |
| assertNotNull(server); |
| int port = AvailablePort.getRandomAvailablePort(AvailablePort.SOCKET); |
| server.setPort(port); |
| server.setNotifyBySubscription(true); |
| server.start(); |
| return new Integer(server.getPort()); |
| } |
| |
| private void createCache(Properties props) throws Exception { |
| DistributedSystem ds = getSystem(props); |
| assertNotNull(ds); |
| ds.disconnect(); |
| ds = getSystem(props); |
| cache = CacheFactory.create(ds); |
| assertNotNull(cache); |
| } |
| |
| public static void createClientCache(String hostName, Integer port1, Integer port2) |
| throws Exception { |
| int PORT1 = port1.intValue(); |
| int PORT2 = port2.intValue(); |
| Properties props = new Properties(); |
| props.setProperty(MCAST_PORT, "0"); |
| props.setProperty(LOCATORS, ""); |
| new HADuplicateDUnitTest().createCache(props); |
| AttributesFactory factory = new AttributesFactory(); |
| ClientServerTestCase.configureConnectionPool(factory, hostName, new int[] {PORT1, PORT2}, true, |
| -1, 2, null); |
| |
| factory.setScope(Scope.DISTRIBUTED_ACK); |
| CacheListener clientListener = new HAValidateDuplicateListener(); |
| factory.setCacheListener(clientListener); |
| |
| RegionAttributes attrs = factory.create(); |
| cache.createRegion(REGION_NAME, attrs); |
| Region region = cache.getRegion(Region.SEPARATOR + REGION_NAME); |
| assertNotNull(region); |
| region.registerInterest("ALL_KEYS", InterestResultPolicy.NONE); |
| |
| } |
| |
| public static void closeCache() { |
| if (cache != null && !cache.isClosed()) { |
| cache.close(); |
| cache.getDistributedSystem().disconnect(); |
| } |
| } |
| |
| // Listener class for the validation purpose |
| private static class HAValidateDuplicateListener extends CacheListenerAdapter { |
| @Override |
| public void afterCreate(EntryEvent event) { |
| System.out.println("After Create"); |
| storeEvents.put(event.getKey(), event.getNewValue()); |
| } |
| |
| @Override |
| public void afterUpdate(EntryEvent event) { |
| Object value = storeEvents.get(event.getKey()); |
| if (value == null) |
| isEventDuplicate = false; |
| synchronized (dummyObj) { |
| try { |
| put_counter++; |
| if (put_counter == NO_OF_PUTS) { |
| waitFlag = false; |
| dummyObj.notifyAll(); |
| } |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| } |
| } |
| } |