| /** |
| * 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.transport; |
| |
| import junit.framework.Test; |
| import org.apache.activemq.ActiveMQConnectionFactory; |
| import org.apache.activemq.JmsTestSupport; |
| import org.apache.activemq.broker.BrokerService; |
| import org.apache.activemq.broker.jmx.ManagementContext; |
| import org.apache.activemq.util.SocketProxy; |
| import org.apache.activemq.util.URISupport; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import javax.jms.Connection; |
| import javax.management.JMException; |
| import javax.management.ObjectName; |
| import java.net.URI; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| public class RestrictedThreadPoolInactivityTimeoutTest extends JmsTestSupport { |
| private static final Logger LOG = LoggerFactory.getLogger(RestrictedThreadPoolInactivityTimeoutTest.class); |
| |
| public String brokerTransportScheme = "tcp"; |
| public Boolean rejectWork = Boolean.FALSE; |
| |
| final int poolSize = 2; |
| final int numConnections = 10; |
| final CountDownLatch doneOneConnectionAddress = new CountDownLatch(1); |
| final CountDownLatch doneConsumers = new CountDownLatch(numConnections); |
| |
| protected BrokerService createBroker() throws Exception { |
| |
| if (rejectWork) { |
| System.setProperty("org.apache.activemq.transport.AbstractInactivityMonitor.workQueueCapacity", Integer.toString(poolSize)); |
| System.setProperty("org.apache.activemq.transport.AbstractInactivityMonitor.rejectWork", "true"); |
| } |
| System.setProperty("org.apache.activemq.transport.AbstractInactivityMonitor.maximumPoolSize", Integer.toString(poolSize)); |
| |
| BrokerService broker = super.createBroker(); |
| broker.setPersistent(false); |
| broker.setUseJmx(true); |
| broker.setManagementContext(new ManagementContext() { |
| @Override |
| public void unregisterMBean(ObjectName name) throws JMException { |
| if (name.getKeyPropertyListString().contains("remoteAddress")) { |
| // a client connection mbean, removed by inactivity monitor task |
| // simulate a slow mbean unregister |
| LOG.info("SLEEP : " + Thread.currentThread() + ": on remoteAddress unregister: " + name); |
| try { |
| TimeUnit.SECONDS.sleep(2); |
| } catch (InterruptedException ok) { |
| } |
| doneOneConnectionAddress.countDown(); |
| } else if (name.getKeyPropertyListString().contains("Consumer")) { |
| // consumer removal from asyncStop task, this is blocked on service lock |
| // during inactivity monitor onException |
| LOG.info(Thread.currentThread() + ": on consumer unregister: " + name); |
| doneConsumers.countDown(); |
| } |
| super.unregisterMBean(name); |
| } |
| }); |
| |
| broker.addConnector(brokerTransportScheme + "://localhost:0?wireFormat.maxInactivityDuration=1000&wireFormat.maxInactivityDurationInitalDelay=1000"); |
| return broker; |
| } |
| |
| public void initCombosForTestThreadsInvolvedInXInactivityTimeouts() { |
| addCombinationValues("brokerTransportScheme", new Object[]{"tcp", "nio"}); |
| addCombinationValues("rejectWork", new Object[] {Boolean.TRUE, Boolean.FALSE}); |
| } |
| |
| public void testThreadsInvolvedInXInactivityTimeouts() throws Exception { |
| |
| URI tcpBrokerUri = URISupport.removeQuery(broker.getTransportConnectors().get(0).getConnectUri()); |
| |
| SocketProxy proxy = new SocketProxy(); |
| proxy.setTarget(tcpBrokerUri); |
| proxy.open(); |
| |
| // leave the server to do the only inactivity monitoring |
| URI clientUri = URISupport.createURIWithQuery(proxy.getUrl(), "useInactivityMonitor=false"); |
| LOG.info("using server uri: " + tcpBrokerUri + ", client uri: " + clientUri); |
| |
| ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(clientUri); |
| |
| for (int i=0; i<numConnections;i++) { |
| Connection c = factory.createConnection(); |
| c.start(); |
| } |
| |
| proxy.pause(); |
| |
| int before = Thread.currentThread().getThreadGroup().activeCount(); |
| LOG.info("threads before: " + before); |
| |
| // expect inactivity monitor to kick in after 2*timeout |
| |
| Thread.yield(); |
| |
| // after one sleep, unbounded pools will have filled with threads |
| doneOneConnectionAddress.await(10, TimeUnit.SECONDS); |
| |
| int after = Thread.currentThread().getThreadGroup().activeCount(); |
| |
| int diff = Math.abs(before - after); |
| LOG.info("threads after: " + after + ", diff: " + diff); |
| |
| assertTrue("Should be at most inactivity monitor pool size * 2. Diff = " + diff, diff <= 2*poolSize); |
| |
| assertTrue("all work complete", doneConsumers.await(10, TimeUnit.SECONDS)); |
| } |
| |
| @Override |
| protected void tearDown() throws Exception { |
| super.tearDown(); |
| System.clearProperty("org.apache.activemq.transport.AbstractInactivityMonitor.workQueueCapacity"); |
| System.clearProperty("org.apache.activemq.transport.AbstractInactivityMonitor.maximumPoolSize"); |
| System.clearProperty("org.apache.activemq.transport.AbstractInactivityMonitor.rejectWork"); |
| } |
| |
| public static Test suite() { |
| return suite(RestrictedThreadPoolInactivityTimeoutTest.class); |
| } |
| } |