/**
* 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.failover;
import java.util.HashMap;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class FailoverPriorityTest extends FailoverClusterTestSupport {
protected final Logger LOG = LoggerFactory.getLogger(getClass());
private static final String BROKER_A_CLIENT_TC_ADDRESS = "tcp://127.0.0.1:61616";
private static final String BROKER_B_CLIENT_TC_ADDRESS = "tcp://127.0.0.1:61617";
private static final String BROKER_C_CLIENT_TC_ADDRESS = "tcp://127.0.0.1:61618";
private final HashMap<String,String> urls = new HashMap<String,String>();
@Override
public void setUp() throws Exception {
super.setUp();
urls.put(BROKER_A_NAME, BROKER_A_CLIENT_TC_ADDRESS);
urls.put(BROKER_B_NAME, BROKER_B_CLIENT_TC_ADDRESS);
}
private static final String BROKER_A_NAME = "BROKERA";
private static final String BROKER_B_NAME = "BROKERB";
private static final String BROKER_C_NAME = "BROKERC";
public void testPriorityBackup() throws Exception {
createBrokerA();
createBrokerB();
getBroker(BROKER_B_NAME).waitUntilStarted();
Thread.sleep(1000);
setClientUrl("failover:(" + BROKER_A_CLIENT_TC_ADDRESS + "," + BROKER_B_CLIENT_TC_ADDRESS + ")?randomize=false&priorityBackup=true&initialReconnectDelay=1000&useExponentialBackOff=false");
createClients(5);
assertAllConnectedTo(urls.get(BROKER_A_NAME));
assertBrokerInfo(BROKER_A_NAME);
restart(false, BROKER_A_NAME, BROKER_B_NAME);
for (int i = 0; i < 3; i++) {
restart(true, BROKER_A_NAME, BROKER_B_NAME);
}
Thread.sleep(5000);
restart(false, BROKER_A_NAME, BROKER_B_NAME);
}
public void testPriorityBackupList() throws Exception {
createBrokerA();
createBrokerB();
getBroker(BROKER_B_NAME).waitUntilStarted();
Thread.sleep(1000);
setClientUrl("failover:(" + BROKER_A_CLIENT_TC_ADDRESS + "," + BROKER_B_CLIENT_TC_ADDRESS + ")?randomize=false&priorityBackup=true&priorityURIs=tcp://127.0.0.1:61617&initialReconnectDelay=1000&useExponentialBackOff=false");
createClients(5);
Thread.sleep(3000);
assertAllConnectedTo(urls.get(BROKER_B_NAME));
restart(false, BROKER_B_NAME, BROKER_A_NAME);
for (int i = 0; i < 3; i++) {
restart(true, BROKER_B_NAME, BROKER_A_NAME);
}
restart(false, BROKER_B_NAME, BROKER_A_NAME);
}
public void testThreeBrokers() throws Exception {
// Broker A
addBroker(BROKER_A_NAME, createBroker(BROKER_A_NAME));
addTransportConnector(getBroker(BROKER_A_NAME), "openwire", BROKER_A_CLIENT_TC_ADDRESS, false);
addNetworkBridge(getBroker(BROKER_A_NAME), "A_2_B_Bridge", "static://(" + BROKER_B_CLIENT_TC_ADDRESS + ")?useExponentialBackOff=false", false, null);
addNetworkBridge(getBroker(BROKER_A_NAME), "A_2_C_Bridge", "static://(" + BROKER_C_CLIENT_TC_ADDRESS + ")?useExponentialBackOff=false", false, null);
getBroker(BROKER_A_NAME).start();
// Broker B
addBroker(BROKER_B_NAME, createBroker(BROKER_B_NAME));
addTransportConnector(getBroker(BROKER_B_NAME), "openwire", BROKER_B_CLIENT_TC_ADDRESS, false);
addNetworkBridge(getBroker(BROKER_B_NAME), "B_2_A_Bridge", "static://(" + BROKER_A_CLIENT_TC_ADDRESS + ")?useExponentialBackOff=false", false, null);
addNetworkBridge(getBroker(BROKER_B_NAME), "B_2_C_Bridge", "static://(" + BROKER_C_CLIENT_TC_ADDRESS + ")?useExponentialBackOff=false", false, null);
getBroker(BROKER_B_NAME).start();
// Broker C
addBroker(BROKER_C_NAME, createBroker(BROKER_C_NAME));
addTransportConnector(getBroker(BROKER_C_NAME), "openwire", BROKER_C_CLIENT_TC_ADDRESS, false);
addNetworkBridge(getBroker(BROKER_C_NAME), "C_2_A_Bridge", "static://(" + BROKER_A_CLIENT_TC_ADDRESS + ")?useExponentialBackOff=false", false, null);
addNetworkBridge(getBroker(BROKER_C_NAME), "C_2_B_Bridge", "static://(" + BROKER_B_CLIENT_TC_ADDRESS + ")?useExponentialBackOff=false", false, null);
getBroker(BROKER_C_NAME).start();
getBroker(BROKER_C_NAME).waitUntilStarted();
Thread.sleep(1000);
setClientUrl("failover:(" + BROKER_A_CLIENT_TC_ADDRESS + "," + BROKER_B_CLIENT_TC_ADDRESS + "," + BROKER_C_CLIENT_TC_ADDRESS + ")?randomize=false&priorityBackup=true&initialReconnectDelay=1000&useExponentialBackOff=false");
createClients(5);
assertAllConnectedTo(urls.get(BROKER_A_NAME));
restart(true, BROKER_A_NAME, BROKER_B_NAME);
}
public void testPriorityBackupAndUpdateClients() throws Exception {
// Broker A
addBroker(BROKER_A_NAME, createBroker(BROKER_A_NAME));
addTransportConnector(getBroker(BROKER_A_NAME), "openwire", BROKER_A_CLIENT_TC_ADDRESS, true);
addNetworkBridge(getBroker(BROKER_A_NAME), "A_2_B_Bridge", "static://(" + BROKER_B_CLIENT_TC_ADDRESS + ")?useExponentialBackOff=false", false, null);
getBroker(BROKER_A_NAME).start();
// Broker B
addBroker(BROKER_B_NAME, createBroker(BROKER_B_NAME));
addTransportConnector(getBroker(BROKER_B_NAME), "openwire", BROKER_B_CLIENT_TC_ADDRESS, true);
addNetworkBridge(getBroker(BROKER_B_NAME), "B_2_A_Bridge", "static://(" + BROKER_A_CLIENT_TC_ADDRESS + ")?useExponentialBackOff=false", false, null);
getBroker(BROKER_B_NAME).start();
getBroker(BROKER_B_NAME).waitUntilStarted();
Thread.sleep(1000);
setClientUrl("failover:(" + BROKER_A_CLIENT_TC_ADDRESS + "," + BROKER_B_CLIENT_TC_ADDRESS + ")?randomize=false&priorityBackup=true&initialReconnectDelay=1000&useExponentialBackOff=false");
LOG.info("Client URI will be: " + getClientUrl());
createClients(5);
// Let's wait a little bit longer just in case it takes a while to realize that the
// Broker A is the one with higher priority.
Thread.sleep(5000);
assertAllConnectedTo(urls.get(BROKER_A_NAME));
}
private void restart(boolean primary, String primaryName, String secondaryName) throws Exception {
Thread.sleep(1000);
if (primary) {
LOG.info("Stopping " + primaryName);
stopBroker(primaryName);
} else {
LOG.info("Stopping " + secondaryName);
stopBroker(secondaryName);
}
Thread.sleep(5000);
if (primary) {
assertAllConnectedTo(urls.get(secondaryName));
assertBrokerInfo(secondaryName);
} else {
assertAllConnectedTo(urls.get(primaryName));
assertBrokerInfo(primaryName);
}
if (primary) {
LOG.info("Starting " + primaryName);
createBrokerByName(primaryName);
getBroker(primaryName).waitUntilStarted();
} else {
LOG.info("Starting " + secondaryName);
createBrokerByName(secondaryName);
getBroker(secondaryName).waitUntilStarted();
}
Thread.sleep(5000);
assertAllConnectedTo(urls.get(primaryName));
assertBrokerInfo(primaryName);
}
private void createBrokerByName(String name) throws Exception {
if (name.equals(BROKER_A_NAME)) {
createBrokerA();
} else if (name.equals(BROKER_B_NAME)) {
createBrokerB();
} else {
throw new Exception("Unknown broker " + name);
}
}
private void createBrokerA() throws Exception {
if (getBroker(BROKER_A_NAME) == null) {
addBroker(BROKER_A_NAME, createBroker(BROKER_A_NAME));
addTransportConnector(getBroker(BROKER_A_NAME), "openwire", BROKER_A_CLIENT_TC_ADDRESS, false);
addNetworkBridge(getBroker(BROKER_A_NAME), "A_2_B_Bridge", "static://(" + BROKER_B_CLIENT_TC_ADDRESS + ")?useExponentialBackOff=false", false, null);
getBroker(BROKER_A_NAME).start();
}
}
private void createBrokerB() throws Exception {
if (getBroker(BROKER_B_NAME) == null) {
addBroker(BROKER_B_NAME, createBroker(BROKER_B_NAME));
addTransportConnector(getBroker(BROKER_B_NAME), "openwire", BROKER_B_CLIENT_TC_ADDRESS, false);
addNetworkBridge(getBroker(BROKER_B_NAME), "B_2_A_Bridge", "static://(" + BROKER_A_CLIENT_TC_ADDRESS + ")?useExponentialBackOff=false", false, null);
getBroker(BROKER_B_NAME).start();
}
}
@Override
protected void tearDown() throws Exception {
shutdownClients();
destroyBrokerCluster();
}
}