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* 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.
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package org.apache.activemq.artemis.tests.smoke.replicationflow;
import javax.jms.BytesMessage;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Queue;
import javax.jms.Session;
import java.util.ArrayList;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.activemq.artemis.jms.client.ActiveMQConnectionFactory;
import org.apache.activemq.artemis.tests.smoke.common.SmokeTestBase;
import org.apache.activemq.artemis.util.ServerUtil;
import org.apache.activemq.artemis.utils.ReusableLatch;
import org.apache.qpid.jms.JmsConnectionFactory;
import org.junit.After;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
public class ReplicationFlowControlTest extends SmokeTestBase {
public static final String SERVER_NAME_0 = "replicated-static0";
public static final String SERVER_NAME_1 = "replicated-static1";
ArrayList<Consumer> consumers = new ArrayList<>();
private static Process server0;
private static Process server1;
static final int NUM_MESSAGES = 300_000;
static final int START_CONSUMERS = 100_000;
static final int START_SERVER = 101_000;
static final int NUMBER_OF_CONSUMERS = 10;
static final ReusableLatch latch = new ReusableLatch(NUM_MESSAGES);
static AtomicBoolean running = new AtomicBoolean(true);
static AtomicInteger totalConsumed = new AtomicInteger(0);
@Before
public void before() throws Exception {
cleanupData(SERVER_NAME_0);
cleanupData(SERVER_NAME_1);
disableCheckThread();
}
@After
@Override
public void after() throws Exception {
super.after();
cleanupData(SERVER_NAME_0);
cleanupData(SERVER_NAME_1);
}
@Test
public void testPageWhileSynchronizingReplica() throws Exception {
internalTest(false);
}
@Ignore // need to fix this before I can let it running
@Test
public void testPageWhileSyncFailover() throws Exception {
internalTest(true);
}
private void internalTest(boolean failover) throws Exception {
int KILL_SERVER = failover ? 150_000 : -1;
Connection connection = null;
try {
server0 = startServer(SERVER_NAME_0, 0, 30000);
ConnectionFactory connectionFactory = new ActiveMQConnectionFactory();
connection = connectionFactory.createConnection();
Session session = connection.createSession(true, Session.SESSION_TRANSACTED);
Queue queue = session.createQueue("exampleQueue");
MessageProducer producer = session.createProducer(queue);
BytesMessage bytesMessage = session.createBytesMessage();
bytesMessage.writeBytes(new byte[20 * 1024]);
for (int i = 0; i < NUM_MESSAGES; i++) {
producer.send(bytesMessage);
if (i % 1000 == 0) {
System.out.println("Sent " + i + " messages, consumed=" + totalConsumed.get());
session.commit();
}
if (i == START_CONSUMERS) {
System.out.println("Starting consumers");
startConsumers(!failover); // if failover, no AMQP
}
if (KILL_SERVER >= 0 && i == KILL_SERVER) {
session.commit();
System.out.println("Killing server");
ServerUtil.killServer(server0);
Thread.sleep(2000);
connection.close();
connection = connectionFactory.createConnection();
session = connection.createSession(true, Session.SESSION_TRANSACTED);
queue = session.createQueue("exampleQueue");
producer = session.createProducer(queue);
}
if (i == START_SERVER) {
System.out.println("Starting extra server");
server1 = startServer(SERVER_NAME_1, 0, 30000);
}
}
session.commit();
System.out.println("Awaiting all consumers to finish");
while (!latch.await(10, TimeUnit.SECONDS)) {
fail("couldn't receive all messages");
}
running.set(false);
for (Consumer consumer: consumers) {
consumer.join(10000);
if (consumer.isAlive()) {
consumer.interrupt();
}
}
} finally {
running.set(false);
if (connection != null) {
connection.close();
}
for (Consumer consumer : consumers) {
consumer.interrupt();
consumer.join();
}
}
}
void startConsumers(boolean useAMQP) {
for (int i = 0; i < NUMBER_OF_CONSUMERS; i++) {
Consumer consumer = new Consumer(useAMQP && i % 2 == 0, i);
consumer.start();
consumers.add(consumer);
}
}
static class Consumer extends Thread {
ConnectionFactory factory;
Connection connection;
Session session;
Queue queue;
MessageConsumer consumer;
int count = 0;
int totalCount = 0;
final int consumerID;
final boolean amqp;
Consumer(boolean amqp, int id) {
super("amqp=" + amqp + ", id=" + id);
this.amqp = amqp;
this.consumerID = id;
}
@Override
public String toString() {
return "Consumer " + consumerID + ", amqp::" + amqp;
}
void connect() throws Exception {
if (connection != null) {
connection.close();
}
count = 0;
if (amqp) {
factory = new JmsConnectionFactory("amqp://localhost:61616");
} else {
factory = new ActiveMQConnectionFactory(); // using default is fine here
}
connection = factory.createConnection();
session = connection.createSession(true, Session.SESSION_TRANSACTED);
queue = session.createQueue("exampleQueue");
consumer = session.createConsumer(queue);
connection.start();
}
@Override
public void run() {
try {
while (running.get()) {
try {
if (connection == null) {
connect();
}
totalCount++;
if (totalCount % 1000 == 0) {
System.out.println(this + " received " + totalCount + " messages");
}
BytesMessage message = (BytesMessage) consumer.receive(5000);
if (message == null) {
System.out.println("Consumer " + this + " couldn't get a message");
if (count > 0) {
session.commit();
latch.countDown(count);
totalConsumed.addAndGet(count);
count = 0;
}
} else {
count++;
if (count == 100) {
session.commit();
latch.countDown(count);
totalConsumed.addAndGet(count);
count = 0;
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
} finally {
try {
session.commit();
connection.close();
} catch (Throwable ignored) {
}
}
System.out.println("Giving up the loop " + this);
}
}
}