| /* |
| * 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.artemis.tests.leak; |
| |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| import java.lang.invoke.MethodHandles; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| import io.github.checkleak.core.CheckLeak; |
| import io.github.checkleak.core.InventoryDataPoint; |
| import org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl; |
| import org.apache.activemq.artemis.core.protocol.openwire.OpenWireConnection; |
| import org.apache.activemq.artemis.core.server.impl.MessageReferenceImpl; |
| import org.apache.activemq.artemis.core.server.impl.RoutingContextImpl; |
| import org.apache.activemq.artemis.core.server.impl.ServerConsumerImpl; |
| import org.apache.activemq.artemis.core.server.impl.ServerSessionImpl; |
| import org.apache.activemq.artemis.protocol.amqp.broker.ActiveMQProtonRemotingConnection; |
| import org.apache.activemq.artemis.protocol.amqp.proton.AMQPSessionContext; |
| import org.apache.activemq.artemis.protocol.amqp.proton.ProtonServerReceiverContext; |
| import org.apache.activemq.artemis.protocol.amqp.proton.ProtonServerSenderContext; |
| import org.apache.activemq.artemis.utils.Wait; |
| import org.junit.Assert; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class MemoryAssertions { |
| |
| private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); |
| |
| public static void basicMemoryAsserts() throws Exception { |
| basicMemoryAsserts(true); |
| } |
| |
| /** most tests should have these as 0 after execution. */ |
| public static void basicMemoryAsserts(boolean validateMessages) throws Exception { |
| CheckLeak checkLeak = new CheckLeak(); |
| assertMemory(checkLeak, 0, OpenWireConnection.class.getName()); |
| assertMemory(checkLeak, 0, ProtonServerSenderContext.class.getName()); |
| assertMemory(checkLeak, 0, ProtonServerReceiverContext.class.getName()); |
| assertMemory(checkLeak, 0, ActiveMQProtonRemotingConnection.class.getName()); |
| assertMemory(checkLeak, 0, RemotingConnectionImpl.class.getName()); |
| assertMemory(checkLeak, 0, OpenWireConnection.class.getName()); |
| assertMemory(checkLeak, 0, ActiveMQProtonRemotingConnection.class.getName()); |
| assertMemory(checkLeak, 0, ServerSessionImpl.class.getName()); |
| assertMemory(checkLeak, 0, AMQPSessionContext.class.getName()); |
| assertMemory(checkLeak, 0, ServerConsumerImpl.class.getName()); |
| assertMemory(checkLeak, 0, RoutingContextImpl.class.getName()); |
| if (validateMessages) { |
| assertMemory(checkLeak, 0, MessageReferenceImpl.class.getName()); |
| } |
| } |
| |
| public static void assertMemory(CheckLeak checkLeak, int maxExpected, String clazz) throws Exception { |
| assertMemory(checkLeak, maxExpected, 10, 10, clazz); |
| } |
| |
| public static void assertMemory(CheckLeak checkLeak, int maxExpected, int maxLevel, int maxObjects, String clazz) throws Exception { |
| Wait.waitFor(() -> checkLeak.getAllObjects(clazz).length <= maxExpected, 5000, 100); |
| |
| Object[] objects = checkLeak.getAllObjects(clazz); |
| if (objects.length > maxExpected) { |
| for (Object obj : objects) { |
| logger.warn("Object {} still in the heap", obj); |
| } |
| String report = checkLeak.exploreObjectReferences(maxLevel, maxObjects, true, objects); |
| logger.info(report); |
| |
| Assert.fail("Class " + clazz + " has leaked " + objects.length + " objects\n" + report); |
| } |
| } |
| |
| |
| public static void assertNoInnerInstances(Class clazz, CheckLeak checkLeak) throws Exception { |
| checkLeak.forceGC(); |
| List<String> classList = getClassList(clazz); |
| |
| Map<Class<?>, InventoryDataPoint> inventoryDataPointMap = checkLeak.produceInventory(); |
| |
| StringWriter stringWriter = new StringWriter(); |
| PrintWriter printWriter = new PrintWriter(stringWriter); |
| boolean failed = false; |
| |
| for (Map.Entry<Class<?>, InventoryDataPoint> entry : inventoryDataPointMap.entrySet()) { |
| for (String classElement : classList) { |
| if (entry.getKey().getName().startsWith(classElement) && entry.getValue().getInstances() > 0) { |
| failed = true; |
| printWriter.println(entry.getKey() + " contains " + entry.getValue().getInstances() + " instances"); |
| logger.warn("references: towards {}: {}", entry.getKey().getName(), checkLeak.exploreObjectReferences(entry.getKey().getName(), 10, 20, true)); |
| } |
| } |
| } |
| |
| Assert.assertFalse(stringWriter.toString(), failed); |
| } |
| |
| private static List<String> getClassList(Class clazz) { |
| List<String> classList = new ArrayList<>(); |
| classList.add(clazz.getName()); |
| |
| Class<?> superclass = clazz.getSuperclass(); |
| while (superclass != null) { |
| if (superclass != Object.class) { |
| classList.add(superclass.getName()); |
| } |
| superclass = superclass.getSuperclass(); |
| } |
| return classList; |
| } |
| |
| } |