| /* |
| * 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.cache.RegionShortcut.REPLICATE; |
| import static org.apache.geode.cache.client.ClientRegionShortcut.CACHING_PROXY; |
| import static org.apache.geode.distributed.ConfigurationProperties.DURABLE_CLIENT_ID; |
| import static org.apache.geode.distributed.ConfigurationProperties.DURABLE_CLIENT_TIMEOUT; |
| import static org.apache.geode.distributed.ConfigurationProperties.LOCATORS; |
| import static org.apache.geode.distributed.ConfigurationProperties.MCAST_PORT; |
| import static org.apache.geode.test.awaitility.GeodeAwaitility.await; |
| import static org.apache.geode.test.dunit.IgnoredException.addIgnoredException; |
| import static org.apache.geode.test.dunit.Invoke.invokeInEveryVM; |
| import static org.apache.geode.test.dunit.VM.getHostName; |
| import static org.apache.geode.test.dunit.VM.getVM; |
| import static org.assertj.core.api.Assertions.assertThat; |
| import static org.mockito.ArgumentMatchers.any; |
| import static org.mockito.Mockito.spy; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| |
| import java.io.IOException; |
| import java.io.Serializable; |
| import java.util.Collection; |
| import java.util.Properties; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| import org.apache.geode.cache.CacheListener; |
| import org.apache.geode.cache.Region; |
| import org.apache.geode.cache.RegionFactory; |
| import org.apache.geode.cache.client.ClientCacheFactory; |
| import org.apache.geode.cache.client.ClientRegionFactory; |
| import org.apache.geode.cache.server.CacheServer; |
| import org.apache.geode.internal.cache.tier.sockets.CacheClientNotifier; |
| import org.apache.geode.internal.cache.tier.sockets.CacheClientProxy; |
| import org.apache.geode.test.dunit.VM; |
| import org.apache.geode.test.dunit.rules.CacheRule; |
| import org.apache.geode.test.dunit.rules.ClientCacheRule; |
| import org.apache.geode.test.dunit.rules.DistributedRule; |
| import org.apache.geode.test.junit.categories.ClientSubscriptionTest; |
| import org.apache.geode.test.junit.rules.serializable.SerializableTestName; |
| |
| /** |
| * Client queue size statistic should not go negative when client goes offline. |
| * |
| * <p> |
| * TRAC #48571: CacheClientProxy.getQueueSizeStat() gives negative numbers when client goes down. |
| */ |
| @Category(ClientSubscriptionTest.class) |
| public class HARegionQueueSizeRegressionTest implements Serializable { |
| |
| private static final AtomicInteger numOfPuts = new AtomicInteger(); |
| |
| private static volatile CacheListener<String, String> spyCacheListener; |
| |
| private String regionName; |
| private String hostName; |
| |
| private VM server; |
| private VM client; |
| |
| @Rule |
| public DistributedRule distributedRule = new DistributedRule(); |
| |
| @Rule |
| public CacheRule cacheRule = new CacheRule(); |
| |
| @Rule |
| public ClientCacheRule clientCacheRule = new ClientCacheRule(); |
| |
| @Rule |
| public SerializableTestName testName = new SerializableTestName(); |
| |
| @Before |
| public void setUp() throws Exception { |
| server = getVM(0); |
| client = getVM(1); |
| |
| hostName = getHostName(); |
| regionName = getClass().getSimpleName() + "_" + testName.getMethodName(); |
| |
| addIgnoredException("Unexpected IOException||Connection reset"); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| invokeInEveryVM(() -> { |
| spyCacheListener = null; |
| }); |
| } |
| |
| @Test |
| public void testStatsMatchWithSize() throws Exception { |
| // start a server |
| int port = server.invoke(() -> createServerCache()); |
| |
| // create durable client, with durable RI |
| client.invoke(() -> createClientCache(hostName, port)); |
| |
| // do puts on server |
| server.invoke(() -> doPuts(10)); |
| |
| client.invoke(() -> awaitCreates(10)); |
| |
| // close durable client |
| client.invoke(() -> closeClientCacheWithKeepAlive()); |
| |
| server.invoke(() -> awaitProxyIsPaused()); |
| |
| // resume puts on server |
| server.invoke(() -> resumePuts(10)); |
| |
| // start durable client |
| client.invoke(() -> createClientCache(hostName, port)); |
| |
| // wait for full queue dispatch |
| client.invoke(() -> awaitCreates(10)); |
| |
| // verify the stats |
| server.invoke(() -> verifyStats()); |
| } |
| |
| private int createServerCache() throws IOException { |
| cacheRule.createCache(); |
| |
| RegionFactory<String, String> rf = cacheRule.getCache().createRegionFactory(REPLICATE); |
| rf.setConcurrencyChecksEnabled(false); |
| rf.create(regionName); |
| |
| CacheServer server1 = cacheRule.getCache().addCacheServer(); |
| server1.setPort(0); |
| server1.start(); |
| return server1.getPort(); |
| } |
| |
| private void createClientCache(String hostName, Integer port) { |
| Properties config = new Properties(); |
| config.setProperty(MCAST_PORT, "0"); |
| config.setProperty(LOCATORS, ""); |
| config.setProperty(DURABLE_CLIENT_ID, "durable-48571"); |
| config.setProperty(DURABLE_CLIENT_TIMEOUT, "300000"); |
| |
| ClientCacheFactory ccf = new ClientCacheFactory(config); |
| ccf.setPoolSubscriptionEnabled(true); |
| ccf.setPoolSubscriptionAckInterval(50); |
| ccf.setPoolSubscriptionRedundancy(0); |
| ccf.addPoolServer(hostName, port); |
| |
| clientCacheRule.createClientCache(ccf); |
| |
| ClientRegionFactory<String, String> crf = |
| clientCacheRule.getClientCache().createClientRegionFactory(CACHING_PROXY); |
| crf.setConcurrencyChecksEnabled(false); |
| |
| spyCacheListener = spy(CacheListener.class); |
| crf.addCacheListener(spyCacheListener); |
| |
| Region<String, String> region = crf.create(regionName); |
| region.registerInterest("ALL_KEYS", true); |
| |
| clientCacheRule.getClientCache().readyForEvents(); |
| } |
| |
| private void closeClientCacheWithKeepAlive() { |
| clientCacheRule.getClientCache().close(true); |
| } |
| |
| private void doPuts(int creates) { |
| Region<String, String> region = cacheRule.getCache().getRegion(regionName); |
| |
| for (int i = 1; i <= creates; i++) { |
| put(region, "KEY-" + i, "VALUE-" + i); |
| } |
| } |
| |
| private void awaitProxyIsPaused() { |
| await().untilAsserted(() -> { |
| CacheClientNotifier ccn = CacheClientNotifier.getInstance(); |
| Collection<CacheClientProxy> ccProxies = ccn.getClientProxies(); |
| |
| boolean pausedFlag = false; |
| for (CacheClientProxy ccp : ccProxies) { |
| if (ccp.isPaused()) { |
| pausedFlag = true; |
| break; |
| } |
| } |
| assertThat(pausedFlag).as("Proxy has not been paused in 1 minute").isTrue(); |
| }); |
| } |
| |
| private void resumePuts(int creates) { |
| Region<String, String> region = cacheRule.getCache().getRegion(regionName); |
| for (int i = 1; i <= creates; i++) { |
| put(region, "NEWKEY-" + i, "VALUE_" + i); |
| } |
| } |
| |
| private void put(Region<String, String> region, String key, String value) { |
| region.put(key, value); |
| numOfPuts.incrementAndGet(); |
| } |
| |
| private void awaitCreates(int expectedCreates) { |
| await().untilAsserted(() -> { |
| verify(spyCacheListener, times(expectedCreates)).afterCreate(any()); |
| }); |
| } |
| |
| private void verifyStats() { |
| await().untilAsserted(() -> { |
| CacheClientNotifier ccn = CacheClientNotifier.getInstance(); |
| CacheClientProxy ccp = ccn.getClientProxies().iterator().next(); |
| // TODO: consider verifying ccp.getQueueSize() |
| // TODO: consider verifying ccp.getQueueSizeStat() |
| // TODO: consider verifying ccp.getHARegionQueue().getStatistics().getEventsEnqued() |
| // TODO: consider verifying ccp.getHARegionQueue().getStatistics().getEventsDispatched() |
| // TODO: consider verifying ccp.getHARegionQueue().getStatistics().getEventsRemoved() |
| // TODO: consider verifying ccp.getHARegionQueue().getStatistics().getNumVoidRemovals() |
| assertThat(ccp.getQueueSizeStat()).as("The queue size did not match the stat value") |
| .isEqualTo(ccp.getQueueSize()); |
| }); |
| } |
| } |