| /* |
| * 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.logging.log4j.core.async; |
| |
| import org.apache.logging.log4j.LogManager; |
| import org.apache.logging.log4j.Logger; |
| import org.apache.logging.log4j.core.categories.AsyncLoggers; |
| import org.apache.logging.log4j.core.GarbageCollectionHelper; |
| import org.apache.logging.log4j.core.config.ConfigurationFactory; |
| import org.apache.logging.log4j.core.util.Constants; |
| import org.apache.logging.log4j.core.junit.LoggerContextRule; |
| import org.apache.logging.log4j.message.Message; |
| import org.apache.logging.log4j.util.Strings; |
| import org.junit.AfterClass; |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.BlockJUnit4ClassRunner; |
| |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| /** |
| * Tests queue full scenarios with pure AsyncLoggers (all loggers async). |
| */ |
| @RunWith(BlockJUnit4ClassRunner.class) |
| @Category(AsyncLoggers.class) |
| public class QueueFullAsyncLoggerTest3 extends QueueFullAbstractTest { |
| |
| @BeforeClass |
| public static void beforeClass() { |
| //FORMAT_MESSAGES_IN_BACKGROUND |
| System.setProperty("log4j.format.msg.async", "true"); |
| System.setProperty("log4j2.asyncQueueFullPolicy", "discard"); |
| |
| System.setProperty("AsyncLogger.RingBufferSize", "128"); // minimum ringbuffer size |
| System.setProperty(ConfigurationFactory.CONFIGURATION_FILE_PROPERTY, |
| "log4j2-queueFull.xml"); |
| } |
| |
| @AfterClass |
| public static void afterClass() { |
| System.setProperty(Constants.LOG4J_CONTEXT_SELECTOR, Strings.EMPTY); |
| } |
| |
| @Rule |
| public LoggerContextRule context = new LoggerContextRule( |
| "log4j2-queueFull.xml", AsyncLoggerContextSelector.class); |
| |
| @Before |
| public void before() throws Exception { |
| blockingAppender = context.getRequiredAppender("Blocking", BlockingAppender.class); |
| } |
| |
| |
| @Test(timeout = 15000) |
| public void discardedMessagesShouldBeGarbageCollected() throws InterruptedException { |
| final Logger logger = LogManager.getLogger(this.getClass()); |
| |
| blockingAppender.logEvents = null; |
| blockingAppender.countDownLatch = new CountDownLatch(1); |
| int count = 200; |
| CountDownLatch garbageCollectionLatch = new CountDownLatch(count); |
| for (int i = 0; i < count; i++) { |
| logger.info(new CountdownOnGarbageCollectMessage(garbageCollectionLatch)); |
| } |
| blockingAppender.countDownLatch.countDown(); |
| |
| final GarbageCollectionHelper gcHelper = new GarbageCollectionHelper(); |
| gcHelper.run(); |
| try { |
| assertTrue("Parameter should have been garbage collected", garbageCollectionLatch.await(30, TimeUnit.SECONDS)); |
| } finally { |
| gcHelper.close(); |
| } |
| } |
| |
| private static final class CountdownOnGarbageCollectMessage implements Message { |
| |
| private final CountDownLatch latch; |
| |
| CountdownOnGarbageCollectMessage(CountDownLatch latch) { |
| this.latch = latch; |
| } |
| |
| @Override |
| public String getFormattedMessage() { |
| return "formatted"; |
| } |
| |
| @Override |
| public String getFormat() { |
| return null; |
| } |
| |
| @Override |
| public Object[] getParameters() { |
| return new Object[0]; |
| } |
| |
| @Override |
| public Throwable getThrowable() { |
| return null; |
| } |
| |
| @Override |
| protected void finalize() throws Throwable { |
| latch.countDown(); |
| super.finalize(); |
| } |
| } |
| } |