/**
* 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.stomp;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.net.URI;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import javax.management.ObjectName;
import junit.framework.Assert;
import org.apache.activemq.broker.BrokerFactory;
import org.apache.activemq.broker.jmx.QueueViewMBean;
import org.apache.activemq.broker.region.policy.FilePendingQueueMessageStoragePolicy;
import org.apache.activemq.broker.region.policy.PolicyEntry;
import org.apache.activemq.broker.region.policy.PolicyMap;
import org.apache.activemq.store.kahadb.KahaDBPersistenceAdapter;
import org.apache.activemq.usage.SystemUsage;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class StompVirtualTopicTest extends StompTestSupport {
private static final Logger LOG = LoggerFactory.getLogger(StompVirtualTopicTest.class);
private static final int NUM_MSGS = 100000;
private String failMsg = null;
@Override
protected void createBroker() throws Exception {
brokerService = BrokerFactory.createBroker(new URI("broker://()/localhost"));
brokerService.setUseJmx(true);
brokerService.setDeleteAllMessagesOnStartup(true);
File testDataDir = new File("target/activemq-data/StompVirtualTopicTest");
brokerService.setDataDirectoryFile(testDataDir);
KahaDBPersistenceAdapter persistenceAdapter = new KahaDBPersistenceAdapter();
persistenceAdapter.setDirectory(new File(testDataDir, "kahadb"));
brokerService.setPersistenceAdapter(persistenceAdapter);
}
@Override
protected void applyMemoryLimitPolicy() throws Exception {
final SystemUsage memoryManager = new SystemUsage();
memoryManager.getMemoryUsage().setLimit(5818230784L);
memoryManager.getStoreUsage().setLimit(6442450944L);
memoryManager.getTempUsage().setLimit(3221225472L);
brokerService.setSystemUsage(memoryManager);
final List<PolicyEntry> policyEntries = new ArrayList<PolicyEntry>();
final PolicyEntry entry = new PolicyEntry();
entry.setQueue(">");
entry.setProducerFlowControl(false);
entry.setMemoryLimit(10485760);
entry.setPendingQueuePolicy(new FilePendingQueueMessageStoragePolicy());
policyEntries.add(entry);
final PolicyMap policyMap = new PolicyMap();
policyMap.setPolicyEntries(policyEntries);
brokerService.setDestinationPolicy(policyMap);
}
@Test
public void testStompOnVirtualTopics() throws Exception {
LOG.info("Running Stomp Producer");
StompConsumer consumerWorker = new StompConsumer(this);
Thread consumer = new Thread(consumerWorker);
consumer.start();
consumerWorker.awaitStartCompleted();
Thread.sleep(500);
stompConnection.sendFrame("CONNECT\n" + "login:system\n" + "passcode:manager\n\n" + Stomp.NULL);
StompFrame frame = stompConnection.receive();
assertTrue(frame.toString().startsWith("CONNECTED"));
for (int i=0; i<NUM_MSGS-1; i++) {
stompConnection.send("/topic/VirtualTopic.FOO", "Hello World {" + (i + 1) + "}");
}
LOG.info("Sending last packet with receipt header");
HashMap<String, Object> headers = new HashMap<String, Object>();
headers.put("receipt", "1234");
stompConnection.appendHeaders(headers);
String msg = "SEND\n" + "destination:/topic/VirtualTopic.FOO\n" +
"receipt: msg-1\n" + "\n\n" + "Hello World {" + (NUM_MSGS-1) + "}" + Stomp.NULL;
stompConnection.sendFrame(msg);
msg = stompConnection.receiveFrame();
assertTrue(msg.contains("RECEIPT"));
// Does the sleep resolve the problem?
try {
Thread.sleep(6000);
} catch (java.lang.InterruptedException e) {
LOG.error(e.getMessage());
}
stompConnection.disconnect();
Thread.sleep(2000);
stompConnection.close();
LOG.info("Stomp Producer finished. Waiting for consumer to join.");
//wait for consumer to shut down
consumer.join();
LOG.info("Test finished.");
// check if consumer set failMsg, then let the test fail.
if (null != failMsg) {
LOG.error(failMsg);
Assert.fail(failMsg);
}
}
/*
* Allow Consumer thread to indicate the test has failed.
* JUnits Assert.fail() does not work in threads spawned.
*/
protected void setFail(String msg) {
this.failMsg = msg;
}
class StompConsumer implements Runnable {
final Logger log = LoggerFactory.getLogger(StompConsumer.class);
private StompVirtualTopicTest parent = null;
private final CountDownLatch latch = new CountDownLatch(1);
private final HashSet<String> received = new HashSet<String>();
private final HashSet<String> dups = new HashSet<String>();
public StompConsumer(StompVirtualTopicTest ref) {
parent = ref;
}
public void awaitStartCompleted() {
try {
this.latch.await();
} catch (InterruptedException e) {
}
}
@Override
public void run() {
LOG.info("Running Stomp Consumer");
StompConnection stompConnection = new StompConnection();
int counter = 0;
try {
stompConnection.open("localhost", StompVirtualTopicTest.this.port);
stompConnection.sendFrame("CONNECT\n" + "login:system\n" + "passcode:manager\n\n" + Stomp.NULL);
StompFrame frame = stompConnection.receive();
assertTrue(frame.toString().startsWith("CONNECTED"));
stompConnection.subscribe("/queue/Consumer.A.VirtualTopic.FOO", "auto");
Thread.sleep(2000);
latch.countDown();
for (counter=0; counter<StompVirtualTopicTest.NUM_MSGS; counter++) {
frame = stompConnection.receive(15000);
log.trace("Received msg with content: " + frame.getBody());
if(!received.add(frame.getBody())) {
dups.add(frame.getBody());
}
}
// another receive should not return any more msgs
try {
frame = stompConnection.receive(3000);
Assert.assertNull(frame);
} catch (Exception e) {
LOG.info("Correctly received " + e + " while trying to consume an additional msg." +
" This is expected as the queue should be empty now.");
}
// in addition check QueueSize using JMX
long queueSize = reportQueueStatistics();
if (queueSize != 0) {
parent.setFail("QueueSize not 0 after test has finished.");
}
log.debug("Stomp Consumer Received " + counter + " of " + StompVirtualTopicTest.NUM_MSGS +
" messages. Check QueueSize in JMX and try to browse the queue.");
if(!dups.isEmpty()) {
for(String msg : dups) {
LOG.debug("Received duplicate message: " + msg);
}
parent.setFail("Received " + StompVirtualTopicTest.NUM_MSGS +
" messages but " + dups.size() + " were dups.");
}
} catch (Exception ex) {
log.error(ex.getMessage() + " after consuming " + counter + " msgs.");
try {
reportQueueStatistics();
} catch (Exception e) {
}
parent.setFail("Stomp Consumer received " + counter + " of " + StompVirtualTopicTest.NUM_MSGS +
" messages. Check QueueSize in JMX and try to browse the queue.");
} finally {
try {
stompConnection.disconnect();
Thread.sleep(2000);
stompConnection.close();
} catch (Exception e) {
log.error("unexpected exception on sleep", e);
}
}
log.info("Test Finished.");
}
private long reportQueueStatistics() throws Exception {
ObjectName queueViewMBeanName = new ObjectName("org.apache.activemq:destinationType=Queue" +
",destinationName=Consumer.A.VirtualTopic.FOO" +
",type=Broker,brokerName=localhost");
QueueViewMBean queue = (QueueViewMBean)
brokerService.getManagementContext().newProxyInstance(queueViewMBeanName, QueueViewMBean.class, true);
LOG.info("Consumer.A.VirtualTopic.FOO Inflight: " + queue.getInFlightCount() +
", enqueueCount: " + queue.getEnqueueCount() + ", dequeueCount: " +
queue.getDequeueCount() + ", dispatchCount: " + queue.getDispatchCount());
return queue.getQueueSize();
}
}
}