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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.
*/
package org.apache.activemq.broker.jmx;
import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.util.HashMap;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.concurrent.atomic.AtomicInteger;
import javax.management.ObjectName;
import org.apache.activemq.ActiveMQConnectionMetaData;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.ConnectionContext;
import org.apache.activemq.broker.TransportConnector;
import org.apache.activemq.broker.region.Subscription;
import org.apache.activemq.command.ActiveMQQueue;
import org.apache.activemq.command.ActiveMQTopic;
import org.apache.activemq.command.ConsumerId;
import org.apache.activemq.command.ConsumerInfo;
import org.apache.activemq.command.RemoveSubscriptionInfo;
import org.apache.activemq.network.NetworkConnector;
import org.apache.activemq.util.BrokerSupport;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class BrokerView implements BrokerViewMBean {
private static final Logger LOG = LoggerFactory.getLogger(BrokerView.class);
ManagedRegionBroker broker;
private final BrokerService brokerService;
private final AtomicInteger sessionIdCounter = new AtomicInteger(0);
private ObjectName jmsJobScheduler;
public BrokerView(BrokerService brokerService, ManagedRegionBroker managedBroker) throws Exception {
this.brokerService = brokerService;
this.broker = managedBroker;
}
public ManagedRegionBroker getBroker() {
return broker;
}
public void setBroker(ManagedRegionBroker broker) {
this.broker = broker;
}
@Override
public String getBrokerId() {
return safeGetBroker().getBrokerId().toString();
}
@Override
public String getBrokerName() {
return safeGetBroker().getBrokerName();
}
@Override
public String getBrokerVersion() {
return ActiveMQConnectionMetaData.PROVIDER_VERSION;
}
@Override
public String getUptime() {
return brokerService.getUptime();
}
@Override
public long getUptimeMillis() {
return brokerService.getUptimeMillis();
}
@Override
public int getCurrentConnectionsCount() {
return brokerService.getCurrentConnections();
}
@Override
public long getTotalConnectionsCount() {
return brokerService.getTotalConnections();
}
@Override
public void gc() throws Exception {
brokerService.getBroker().gc();
try {
brokerService.getPersistenceAdapter().checkpoint(true);
} catch (IOException e) {
LOG.error("Failed to checkpoint persistence adapter on gc request", e);
}
}
@Override
public void start() throws Exception {
brokerService.start();
}
@Override
public void stop() throws Exception {
brokerService.stop();
}
@Override
public void restart() throws Exception {
if (brokerService.isRestartAllowed()) {
brokerService.requestRestart();
brokerService.stop();
} else {
throw new Exception("Restart is not allowed");
}
}
@Override
public void stopGracefully(String connectorName, String queueName, long timeout, long pollInterval) throws Exception {
brokerService.stopGracefully(connectorName, queueName, timeout, pollInterval);
}
@Override
public long getTotalEnqueueCount() {
return safeGetBroker().getDestinationStatistics().getEnqueues().getCount();
}
@Override
public long getTotalDequeueCount() {
return safeGetBroker().getDestinationStatistics().getDequeues().getCount();
}
@Override
public long getTotalConsumerCount() {
return safeGetBroker().getDestinationStatistics().getConsumers().getCount();
}
@Override
public long getTotalProducerCount() {
return safeGetBroker().getDestinationStatistics().getProducers().getCount();
}
@Override
public long getTotalMessageCount() {
return safeGetBroker().getDestinationStatistics().getMessages().getCount();
}
/**
* @return the average size of a message (bytes)
*/
@Override
public long getAverageMessageSize() {
// we are okay with the size without decimals so cast to long
return (long) safeGetBroker().getDestinationStatistics().getMessageSize().getAverageSize();
}
/**
* @return the max size of a message (bytes)
*/
@Override
public long getMaxMessageSize() {
return safeGetBroker().getDestinationStatistics().getMessageSize().getMaxSize();
}
/**
* @return the min size of a message (bytes)
*/
@Override
public long getMinMessageSize() {
return safeGetBroker().getDestinationStatistics().getMessageSize().getMinSize();
}
public long getTotalMessagesCached() {
return safeGetBroker().getDestinationStatistics().getMessagesCached().getCount();
}
@Override
public int getMemoryPercentUsage() {
return brokerService.getSystemUsage().getMemoryUsage().getPercentUsage();
}
@Override
public long getMemoryLimit() {
return brokerService.getSystemUsage().getMemoryUsage().getLimit();
}
@Override
public void setMemoryLimit(long limit) {
brokerService.getSystemUsage().getMemoryUsage().setLimit(limit);
}
@Override
public long getStoreLimit() {
return brokerService.getSystemUsage().getStoreUsage().getLimit();
}
@Override
public int getStorePercentUsage() {
return brokerService.getSystemUsage().getStoreUsage().getPercentUsage();
}
@Override
public long getTempLimit() {
return brokerService.getSystemUsage().getTempUsage().getLimit();
}
@Override
public int getTempPercentUsage() {
return brokerService.getSystemUsage().getTempUsage().getPercentUsage();
}
@Override
public long getJobSchedulerStoreLimit() {
return brokerService.getSystemUsage().getJobSchedulerUsage().getLimit();
}
@Override
public int getJobSchedulerStorePercentUsage() {
return brokerService.getSystemUsage().getJobSchedulerUsage().getPercentUsage();
}
@Override
public void setStoreLimit(long limit) {
brokerService.getSystemUsage().getStoreUsage().setLimit(limit);
}
@Override
public void setTempLimit(long limit) {
brokerService.getSystemUsage().getTempUsage().setLimit(limit);
}
@Override
public void setJobSchedulerStoreLimit(long limit) {
brokerService.getSystemUsage().getJobSchedulerUsage().setLimit(limit);
}
@Override
public void resetStatistics() {
safeGetBroker().getDestinationStatistics().reset();
}
@Override
public void enableStatistics() {
safeGetBroker().getDestinationStatistics().setEnabled(true);
}
@Override
public void disableStatistics() {
safeGetBroker().getDestinationStatistics().setEnabled(false);
}
@Override
public boolean isStatisticsEnabled() {
return safeGetBroker().getDestinationStatistics().isEnabled();
}
@Override
public boolean isPersistent() {
return brokerService.isPersistent();
}
@Override
public void terminateJVM(int exitCode) {
System.exit(exitCode);
}
@Override
public ObjectName[] getTopics() {
return safeGetBroker().getTopicsNonSuppressed();
}
@Override
public ObjectName[] getQueues() {
return safeGetBroker().getQueuesNonSuppressed();
}
@Override
public ObjectName[] getTemporaryTopics() {
return safeGetBroker().getTemporaryTopicsNonSuppressed();
}
@Override
public ObjectName[] getTemporaryQueues() {
return safeGetBroker().getTemporaryQueuesNonSuppressed();
}
@Override
public ObjectName[] getTopicSubscribers() {
return safeGetBroker().getTopicSubscribersNonSuppressed();
}
@Override
public ObjectName[] getDurableTopicSubscribers() {
return safeGetBroker().getDurableTopicSubscribersNonSuppressed();
}
@Override
public ObjectName[] getQueueSubscribers() {
return safeGetBroker().getQueueSubscribersNonSuppressed();
}
@Override
public ObjectName[] getTemporaryTopicSubscribers() {
return safeGetBroker().getTemporaryTopicSubscribersNonSuppressed();
}
@Override
public ObjectName[] getTemporaryQueueSubscribers() {
return safeGetBroker().getTemporaryQueueSubscribersNonSuppressed();
}
@Override
public ObjectName[] getInactiveDurableTopicSubscribers() {
return safeGetBroker().getInactiveDurableTopicSubscribersNonSuppressed();
}
@Override
public ObjectName[] getTopicProducers() {
return safeGetBroker().getTopicProducersNonSuppressed();
}
@Override
public ObjectName[] getQueueProducers() {
return safeGetBroker().getQueueProducersNonSuppressed();
}
@Override
public ObjectName[] getTemporaryTopicProducers() {
return safeGetBroker().getTemporaryTopicProducersNonSuppressed();
}
@Override
public ObjectName[] getTemporaryQueueProducers() {
return safeGetBroker().getTemporaryQueueProducersNonSuppressed();
}
@Override
public ObjectName[] getDynamicDestinationProducers() {
return safeGetBroker().getDynamicDestinationProducersNonSuppressed();
}
@Override
public String addConnector(String discoveryAddress) throws Exception {
TransportConnector connector = brokerService.addConnector(discoveryAddress);
if (connector == null) {
throw new NoSuchElementException("Not connector matched the given name: " + discoveryAddress);
}
brokerService.startTransportConnector(connector);
return connector.getName();
}
@Override
public String addNetworkConnector(String discoveryAddress) throws Exception {
NetworkConnector connector = brokerService.addNetworkConnector(discoveryAddress);
if (connector == null) {
throw new NoSuchElementException("Not connector matched the given name: " + discoveryAddress);
}
brokerService.registerNetworkConnectorMBean(connector);
connector.start();
return connector.getName();
}
@Override
public boolean removeConnector(String connectorName) throws Exception {
TransportConnector connector = brokerService.getConnectorByName(connectorName);
if (connector == null) {
throw new NoSuchElementException("Not connector matched the given name: " + connectorName);
}
connector.stop();
return brokerService.removeConnector(connector);
}
@Override
public boolean removeNetworkConnector(String connectorName) throws Exception {
NetworkConnector connector = brokerService.getNetworkConnectorByName(connectorName);
if (connector == null) {
throw new NoSuchElementException("Not connector matched the given name: " + connectorName);
}
connector.stop();
return brokerService.removeNetworkConnector(connector);
}
@Override
public void addTopic(String name) throws Exception {
safeGetBroker().getContextBroker()
.addDestination(BrokerSupport.getConnectionContext(safeGetBroker().getContextBroker()), new ActiveMQTopic(name), true);
}
@Override
public void addQueue(String name) throws Exception {
safeGetBroker().getContextBroker()
.addDestination(BrokerSupport.getConnectionContext(safeGetBroker().getContextBroker()), new ActiveMQQueue(name), true);
}
@Override
public void removeTopic(String name) throws Exception {
safeGetBroker().getContextBroker().removeDestination(BrokerSupport.getConnectionContext(safeGetBroker().getContextBroker()), new ActiveMQTopic(name), 1000);
}
@Override
public void removeQueue(String name) throws Exception {
safeGetBroker().getContextBroker().removeDestination(BrokerSupport.getConnectionContext(safeGetBroker().getContextBroker()), new ActiveMQQueue(name), 1000);
}
@Override
public ObjectName createDurableSubscriber(String clientId, String subscriberName, String topicName, String selector) throws Exception {
ConnectionContext context = getConnectionContext();
context.setBroker(safeGetBroker());
context.setClientId(clientId);
ConsumerInfo info = new ConsumerInfo();
ConsumerId consumerId = new ConsumerId();
consumerId.setConnectionId(clientId);
consumerId.setSessionId(sessionIdCounter.incrementAndGet());
consumerId.setValue(0);
info.setConsumerId(consumerId);
info.setDestination(new ActiveMQTopic(topicName));
info.setSubscriptionName(subscriberName);
info.setSelector(selector);
Subscription subscription = safeGetBroker().addConsumer(context, info);
safeGetBroker().removeConsumer(context, info);
if (subscription != null) {
return subscription.getObjectName();
}
return null;
}
@Override
public void destroyDurableSubscriber(String clientId, String subscriberName) throws Exception {
RemoveSubscriptionInfo info = new RemoveSubscriptionInfo();
info.setClientId(clientId);
info.setSubscriptionName(subscriberName);
ConnectionContext context = getConnectionContext();
context.setBroker(safeGetBroker());
context.setClientId(clientId);
brokerService.getBroker().removeSubscription(context, info);
}
@Override
public void reloadLog4jProperties() throws Throwable {
Log4JConfigView.doReloadLog4jProperties();
}
@Override
public Map getTransportConnectors() {
Map answer = new HashMap();
try {
for (TransportConnector connector : brokerService.getTransportConnectors()) {
answer.put(connector.getName(), connector.getConnectUri().toString());
}
} catch (Exception e) {
LOG.debug("Failed to read URI to build transport connectors map", e);
}
return answer;
}
@Override
public String getTransportConnectorByType(String type) {
return brokerService.getTransportConnectorURIsAsMap().get(type);
}
@Override
public String getVMURL() {
URI answer = brokerService.getVmConnectorURI();
return answer != null ? answer.toString() : "";
}
@Override
public String getDataDirectory() {
File file = brokerService.getDataDirectoryFile();
try {
return file != null ? file.getCanonicalPath() : "";
} catch (IOException e) {
return "";
}
}
@Override
public ObjectName getJMSJobScheduler() {
return this.jmsJobScheduler;
}
public void setJMSJobScheduler(ObjectName name) {
this.jmsJobScheduler = name;
}
@Override
public boolean isSlave() {
return brokerService.isSlave();
}
private ManagedRegionBroker safeGetBroker() {
if (broker == null) {
throw new IllegalStateException("Broker is not yet started.");
}
return broker;
}
private ConnectionContext getConnectionContext() {
ConnectionContext context;
if (broker == null) {
context = new ConnectionContext();
} else {
ConnectionContext sharedContext = BrokerSupport.getConnectionContext(broker.getContextBroker());
// Make a local copy of the sharedContext. We do this because we do
// not want to set a clientId on the
// global sharedContext. Taking a copy of the sharedContext is a
// good way to make sure that we are not
// messing up the shared context
context = sharedContext.copy();
}
return context;
}
}
