mirror of https://github.com/apache/activemq.git
Add more options for networks:
included, excluded destinationm filters durable destinations as well as dynamic conduit subscriptions (multiple subs on smae matching destination are treated as one) networkTTL = number of hops messages/subs can pass through - default = 1 git-svn-id: https://svn.apache.org/repos/asf/incubator/activemq/trunk@378700 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Robert Davies
parent
f915da5772
commit
068c64639f
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@ -0,0 +1,94 @@
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/**
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*
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* Copyright 2005-2006 The Apache Software Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.activemq.network;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import org.apache.activemq.command.ConsumerId;
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import org.apache.activemq.command.ConsumerInfo;
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import org.apache.activemq.filter.DestinationFilter;
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import org.apache.activemq.transport.Transport;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* Consolidates subscriptions
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*
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* @version $Revision: 1.1 $
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*/
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public class ConduitBridge extends DemandForwardingBridge{
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static final private Log log=LogFactory.getLog(ConduitBridge.class);
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/**
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* Constructor
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* @param localBroker
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* @param remoteBroker
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*/
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public ConduitBridge(Transport localBroker,Transport remoteBroker){
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super(localBroker,remoteBroker);
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}
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protected DemandSubscription createDemandSubscription(ConsumerInfo info){
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//search through existing subscriptions and see if we have a match
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boolean matched = false;
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DestinationFilter filter=DestinationFilter.parseFilter(info.getDestination());
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for (Iterator i = subscriptionMapByLocalId.values().iterator(); i.hasNext();){
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DemandSubscription ds = (DemandSubscription)i.next();
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if (filter.matches(ds.getLocalInfo().getDestination())){
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//add the interest in the subscription
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ds.add(ds.getRemoteInfo().getConsumerId());
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matched = true;
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//continue - we want interest to any existing DemandSubscriptions
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}
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}
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if (matched){
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return null; //don't want this subscription added
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}
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//not matched so create a new one
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//but first, if it's durable - changed set the
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//ConsumerId here - so it won't be removed if the
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//durable subscriber goes away on the other end
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if (info.isDurable() || (info.getDestination().isQueue() && !info.getDestination().isTemporary())){
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info.setConsumerId(new ConsumerId(localSessionInfo.getSessionId(),consumerIdGenerator
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.getNextSequenceId()));
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}
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return super.createDemandSubscription(info);
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}
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protected void removeDemandSubscription(ConsumerId id) throws IOException{
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List tmpList = new ArrayList();
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for (Iterator i = subscriptionMapByLocalId.values().iterator(); i.hasNext();){
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DemandSubscription ds = (DemandSubscription)i.next();
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ds.remove(id);
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if (ds.isEmpty()){
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tmpList.add(ds);
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}
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}
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for (Iterator i = tmpList.iterator(); i.hasNext();){
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DemandSubscription ds = (DemandSubscription) i.next();
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subscriptionMapByLocalId.remove(ds.getRemoteInfo().getConsumerId());
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removeSubscription(ds);
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if(log.isTraceEnabled())
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log.trace("removing sub on "+localBroker+" from "+remoteBrokerName+" : "+ds.getRemoteInfo());
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}
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}
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}
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@ -16,6 +16,7 @@ package org.apache.activemq.network;
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import java.io.IOException;
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import javax.jms.JMSException;
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import org.apache.activemq.advisory.AdvisorySupport;
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import org.apache.activemq.command.ActiveMQDestination;
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import org.apache.activemq.command.ActiveMQTopic;
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import org.apache.activemq.command.BrokerId;
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import org.apache.activemq.command.BrokerInfo;
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@ -37,9 +38,10 @@ import org.apache.activemq.command.SessionInfo;
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import org.apache.activemq.command.ShutdownInfo;
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import org.apache.activemq.command.WireFormatInfo;
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import org.apache.activemq.filter.BooleanExpression;
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import org.apache.activemq.filter.DestinationFilter;
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import org.apache.activemq.filter.MessageEvaluationContext;
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import org.apache.activemq.transport.DefaultTransportListener;
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import org.apache.activemq.transport.Transport;
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import org.apache.activemq.transport.TransportListener;
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import org.apache.activemq.util.IdGenerator;
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import org.apache.activemq.util.JMSExceptionSupport;
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import org.apache.activemq.util.LongSequenceGenerator;
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@ -59,46 +61,41 @@ import edu.emory.mathcs.backport.java.util.concurrent.atomic.AtomicBoolean;
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*/
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public class DemandForwardingBridge implements Bridge{
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static final private Log log=LogFactory.getLog(DemandForwardingBridge.class);
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private final Transport localBroker;
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private final Transport remoteBroker;
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private IdGenerator idGenerator=new IdGenerator();
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private LongSequenceGenerator consumerIdGenerator=new LongSequenceGenerator();
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private ConnectionInfo localConnectionInfo;
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private ConnectionInfo remoteConnectionInfo;
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private SessionInfo localSessionInfo;
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private ProducerInfo producerInfo;
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private String localBrokerName;
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private String remoteBrokerName;
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private String localClientId;
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private int prefetchSize=1000;
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private boolean dispatchAsync;
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private String destinationFilter=">";
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private ConsumerInfo demandConsumerInfo;
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private int demandConsumerDispatched;
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private AtomicBoolean localBridgeStarted=new AtomicBoolean(false);
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private AtomicBoolean remoteBridgeStarted=new AtomicBoolean(false);
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private boolean disposed=false;
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BrokerId localBrokerId;
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BrokerId remoteBrokerId;
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private Object brokerInfoMutex = new Object();
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private static class DemandSubscription{
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ConsumerInfo remoteInfo;
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ConsumerInfo localInfo;
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int dispatched;
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public DemandSubscription(ConsumerInfo info){
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remoteInfo=info;
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localInfo=info.copy();
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}
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}
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ConcurrentHashMap subscriptionMapByLocalId=new ConcurrentHashMap();
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ConcurrentHashMap subscriptionMapByRemoteId=new ConcurrentHashMap();
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protected final Transport localBroker;
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protected final Transport remoteBroker;
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protected IdGenerator idGenerator=new IdGenerator();
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protected LongSequenceGenerator consumerIdGenerator=new LongSequenceGenerator();
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protected ConnectionInfo localConnectionInfo;
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protected ConnectionInfo remoteConnectionInfo;
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protected SessionInfo localSessionInfo;
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protected ProducerInfo producerInfo;
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protected String localBrokerName;
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protected String remoteBrokerName;
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protected String localClientId;
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protected int prefetchSize=1000;
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protected boolean dispatchAsync;
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protected String destinationFilter=">";
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protected ConsumerInfo demandConsumerInfo;
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protected int demandConsumerDispatched;
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protected AtomicBoolean localBridgeStarted=new AtomicBoolean(false);
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protected AtomicBoolean remoteBridgeStarted=new AtomicBoolean(false);
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protected boolean disposed=false;
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protected BrokerId localBrokerId;
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protected BrokerId remoteBrokerId;
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protected ActiveMQDestination[] excludedDestinations;
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protected ActiveMQDestination[] dynamicallyIncludedDestinations;
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protected ActiveMQDestination[] staticallyIncludedDestinations;
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protected ActiveMQDestination[] durableDestinations;
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protected ConcurrentHashMap subscriptionMapByLocalId=new ConcurrentHashMap();
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protected ConcurrentHashMap subscriptionMapByRemoteId=new ConcurrentHashMap();
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protected final BrokerId localBrokerPath[]=new BrokerId[] { null };
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protected final BrokerId remoteBrokerPath[]=new BrokerId[] { null };
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private CountDownLatch startedLatch = new CountDownLatch(2);
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private boolean decreaseNetowrkConsumerPriority;
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protected CountDownLatch startedLatch = new CountDownLatch(2);
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protected Object brokerInfoMutex = new Object();
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protected boolean decreaseNetworkConsumerPriority;
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protected int networkTTL = 1;
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public DemandForwardingBridge(Transport localBroker,Transport remoteBroker){
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this.localBroker=localBroker;
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@ -107,7 +104,7 @@ public class DemandForwardingBridge implements Bridge{
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public void start() throws Exception{
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log.info("Starting a network connection between "+localBroker+" and "+remoteBroker+" has been established.");
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localBroker.setTransportListener(new TransportListener(){
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localBroker.setTransportListener(new DefaultTransportListener(){
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public void onCommand(Command command){
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serviceLocalCommand(command);
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}
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@ -116,7 +113,7 @@ public class DemandForwardingBridge implements Bridge{
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serviceLocalException(error);
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}
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});
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remoteBroker.setTransportListener(new TransportListener(){
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remoteBroker.setTransportListener(new DefaultTransportListener(){
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public void onCommand(Command command){
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serviceRemoteCommand(command);
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}
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@ -168,6 +165,7 @@ public class DemandForwardingBridge implements Bridge{
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log.info("Network connection between "+localBroker+" and "+remoteBroker+"("+remoteBrokerName
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+") has been established.");
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startedLatch.countDown();
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setupStaticDestinations();
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}
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}
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@ -196,6 +194,12 @@ public class DemandForwardingBridge implements Bridge{
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}
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}
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/**
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* stop the bridge
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* @throws Exception
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*/
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public void stop() throws Exception{
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if(!disposed){
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try{
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@ -274,62 +278,39 @@ public class DemandForwardingBridge implements Bridge{
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// Create a new local subscription
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ConsumerInfo info=(ConsumerInfo) data;
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BrokerId[] path=info.getBrokerPath();
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if((path!=null&&path.length>0)||info.isNetworkSubscription()){
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// Ignore: We only support directly connected brokers for now.
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if((path!=null&&path.length>= networkTTL)){
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if(log.isTraceEnabled())
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log.trace("Ignoring Subscription " + info + " restricted to " + networkTTL + " network hops only");
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return;
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}
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if(contains(info.getBrokerPath(),localBrokerPath[0])){
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// Ignore this consumer as it's a consumer we locally sent to the broker.
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if(log.isTraceEnabled())
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log.trace("Ignoring sub " + info + " already routed through this broker once");
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return;
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}
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if (!isPermissableDestination(info.getDestination())){
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//ignore if not in the permited or in the excluded list
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if(log.isTraceEnabled())
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log.trace("Ignoring sub " + info + " destination " + info.getDestination() + " is not permiited");
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return;
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}
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if(log.isTraceEnabled())
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log.trace("Forwarding sub on "+localBroker+" from "+remoteBrokerName+" : "+info);
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// Update the packet to show where it came from.
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info=info.copy();
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info.setBrokerPath(appendToBrokerPath(info.getBrokerPath(),remoteBrokerPath));
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DemandSubscription sub=new DemandSubscription(info);
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sub.localInfo.setConsumerId(new ConsumerId(localSessionInfo.getSessionId(),consumerIdGenerator
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.getNextSequenceId()));
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sub.localInfo.setDispatchAsync(dispatchAsync);
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sub.localInfo.setPrefetchSize(prefetchSize);
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if( decreaseNetowrkConsumerPriority ) {
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byte priority=ConsumerInfo.NETWORK_CONSUMER_PRIORITY;
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if(priority>Byte.MIN_VALUE&&info.getBrokerPath()!=null&&info.getBrokerPath().length>1){
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// The longer the path to the consumer, the less it's consumer priority.
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priority-=info.getBrokerPath().length+1;
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}
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sub.localInfo.setPriority(priority);
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DemandSubscription sub=createDemandSubscription(info);
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if (sub != null){
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addSubscription(sub);
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if(log.isTraceEnabled())
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log.trace("Forwarding sub on "+localBroker+" from "+remoteBrokerName+" : "+info);
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}else {
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if(log.isTraceEnabled())
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log.trace("Ignoring sub " + info + " already subscribed to matching destination");
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}
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subscriptionMapByLocalId.put(sub.localInfo.getConsumerId(),sub);
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subscriptionMapByRemoteId.put(sub.remoteInfo.getConsumerId(),sub);
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sub.localInfo.setBrokerPath(info.getBrokerPath());
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sub.localInfo.setNetworkSubscription(true);
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// This works for now since we use a VM connection to the local broker.
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// may need to change if we ever subscribe to a remote broker.
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sub.localInfo.setAdditionalPredicate(new BooleanExpression(){
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public boolean matches(MessageEvaluationContext message) throws JMSException{
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try{
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return matchesForwardingFilter(message.getMessage());
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}catch(IOException e){
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throw JMSExceptionSupport.create(e);
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}
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}
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public Object evaluate(MessageEvaluationContext message) throws JMSException{
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return matches(message)?Boolean.TRUE:Boolean.FALSE;
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}
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});
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localBroker.oneway(sub.localInfo);
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}
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if(data.getClass()==RemoveInfo.class){
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ConsumerId id=(ConsumerId) ((RemoveInfo) data).getObjectId();
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DemandSubscription sub=(DemandSubscription) subscriptionMapByRemoteId.remove(id);
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if(sub!=null){
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subscriptionMapByLocalId.remove(sub.localInfo.getConsumerId());
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localBroker.oneway(sub.localInfo.createRemoveCommand());
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}
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removeDemandSubscription(id);
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}
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}
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@ -338,20 +319,39 @@ public class DemandForwardingBridge implements Bridge{
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ServiceSupport.dispose(this);
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}
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boolean matchesForwardingFilter(Message message){
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if(message.isRecievedByDFBridge()||contains(message.getBrokerPath(),remoteBrokerPath[0]))
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return false;
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// Don't propagate advisory messages about network subscriptions
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if(message.isAdvisory()&&message.getDataStructure()!=null
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&&message.getDataStructure().getDataStructureType()==CommandTypes.CONSUMER_INFO){
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ConsumerInfo info=(ConsumerInfo) message.getDataStructure();
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if(info.isNetworkSubscription()){
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return false;
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}
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protected void addSubscription(DemandSubscription sub) throws IOException{
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if (sub != null){
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localBroker.oneway(sub.getLocalInfo());
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}
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return true;
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}
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protected void removeSubscription(DemandSubscription sub) throws IOException{
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if(sub!=null){
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subscriptionMapByLocalId.remove(sub.getLocalInfo().getConsumerId());
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localBroker.oneway(sub.getLocalInfo().createRemoveCommand());
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}
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}
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protected DemandSubscription getDemandSubscription(MessageDispatch md){
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return (DemandSubscription) subscriptionMapByLocalId.get(md.getConsumerId());
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}
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protected Message configureMessage(MessageDispatch md){
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Message message=md.getMessage().copy();
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// Update the packet to show where it came from.
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message.setBrokerPath(appendToBrokerPath(message.getBrokerPath(),localBrokerPath));
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message.setProducerId(producerInfo.getProducerId());
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message.setDestination(md.getDestination());
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if(message.getOriginalTransactionId()==null)
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message.setOriginalTransactionId(message.getTransactionId());
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message.setTransactionId(null);
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message.setRecievedByDFBridge(true);
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message.evictMarshlledForm();
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return message;
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}
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protected void serviceLocalCommand(Command command){
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if(!disposed){
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final boolean trace=log.isTraceEnabled();
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@ -359,22 +359,12 @@ public class DemandForwardingBridge implements Bridge{
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if(command.isMessageDispatch()){
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waitStarted();
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MessageDispatch md=(MessageDispatch) command;
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Message message=md.getMessage();
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DemandSubscription sub=(DemandSubscription) subscriptionMapByLocalId.get(md.getConsumerId());
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if(sub!=null){
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message=message.copy();
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// Update the packet to show where it came from.
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message.setBrokerPath(appendToBrokerPath(message.getBrokerPath(),localBrokerPath));
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message.setProducerId(producerInfo.getProducerId());
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message.setDestination(md.getDestination());
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if(message.getOriginalTransactionId()==null)
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message.setOriginalTransactionId(message.getTransactionId());
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message.setTransactionId(null);
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message.setRecievedByDFBridge(true);
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message.evictMarshlledForm();
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Message message= configureMessage(md);
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if(trace)
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log.trace("bridging "+localBrokerName+" -> "+remoteBrokerName+": "+message);
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if(!message.isPersistent()||!sub.remoteInfo.isDurable()){
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if(!message.isPersistent()||!sub.getRemoteInfo().isDurable()){
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remoteBroker.oneway(message);
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}else{
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Response response=remoteBroker.request(message);
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@ -383,10 +373,10 @@ public class DemandForwardingBridge implements Bridge{
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serviceLocalException(er.getException());
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}
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}
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sub.dispatched++;
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if(sub.dispatched>(sub.localInfo.getPrefetchSize()*.75)){
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localBroker.oneway(new MessageAck(md,MessageAck.STANDARD_ACK_TYPE,sub.dispatched));
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sub.dispatched=0;
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int dispatched = sub.incrementDispatched();
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if(dispatched>(sub.getLocalInfo().getPrefetchSize()*.75)){
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localBroker.oneway(new MessageAck(md,MessageAck.STANDARD_ACK_TYPE,dispatched));
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sub.setDispatched(0);
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}
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}
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}else if(command.isBrokerInfo()){
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@ -419,28 +409,91 @@ public class DemandForwardingBridge implements Bridge{
|
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}
|
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}
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/**
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* @return prefetch size
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*/
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public int getPrefetchSize(){
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return prefetchSize;
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}
|
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|
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|
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/**
|
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* @param prefetchSize
|
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*/
|
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public void setPrefetchSize(int prefetchSize){
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this.prefetchSize=prefetchSize;
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}
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/**
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* @return true if dispatch async
|
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*/
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public boolean isDispatchAsync(){
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return dispatchAsync;
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}
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|
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/**
|
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* @param dispatchAsync
|
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*/
|
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public void setDispatchAsync(boolean dispatchAsync){
|
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this.dispatchAsync=dispatchAsync;
|
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}
|
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|
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public String getDestinationFilter(){
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return destinationFilter;
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/**
|
||||
* @return Returns the dynamicallyIncludedDestinations.
|
||||
*/
|
||||
public ActiveMQDestination[] getDynamicallyIncludedDestinations(){
|
||||
return dynamicallyIncludedDestinations;
|
||||
}
|
||||
|
||||
public void setDestinationFilter(String destinationFilter){
|
||||
this.destinationFilter=destinationFilter;
|
||||
/**
|
||||
* @param dynamicallyIncludedDestinations The dynamicallyIncludedDestinations to set.
|
||||
*/
|
||||
public void setDynamicallyIncludedDestinations(ActiveMQDestination[] dynamicallyIncludedDestinations){
|
||||
this.dynamicallyIncludedDestinations=dynamicallyIncludedDestinations;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return Returns the excludedDestinations.
|
||||
*/
|
||||
public ActiveMQDestination[] getExcludedDestinations(){
|
||||
return excludedDestinations;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param excludedDestinations The excludedDestinations to set.
|
||||
*/
|
||||
public void setExcludedDestinations(ActiveMQDestination[] excludedDestinations){
|
||||
this.excludedDestinations=excludedDestinations;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return Returns the staticallyIncludedDestinations.
|
||||
*/
|
||||
public ActiveMQDestination[] getStaticallyIncludedDestinations(){
|
||||
return staticallyIncludedDestinations;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param staticallyIncludedDestinations The staticallyIncludedDestinations to set.
|
||||
*/
|
||||
public void setStaticallyIncludedDestinations(ActiveMQDestination[] staticallyIncludedDestinations){
|
||||
this.staticallyIncludedDestinations=staticallyIncludedDestinations;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @return Returns the durableDestinations.
|
||||
*/
|
||||
public ActiveMQDestination[] getDurableDestinations(){
|
||||
return durableDestinations;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param durableDestinations The durableDestinations to set.
|
||||
*/
|
||||
public void setDurableDestinations(ActiveMQDestination[] durableDestinations){
|
||||
this.durableDestinations=durableDestinations;
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -458,6 +511,64 @@ public class DemandForwardingBridge implements Bridge{
|
|||
this.localBrokerName=localBrokerName;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return Returns the localBroker.
|
||||
*/
|
||||
public Transport getLocalBroker(){
|
||||
return localBroker;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return Returns the remoteBroker.
|
||||
*/
|
||||
public Transport getRemoteBroker(){
|
||||
return remoteBroker;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @return Returns the remoteBrokerName.
|
||||
*/
|
||||
public String getRemoteBrokerName(){
|
||||
return remoteBrokerName;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param remoteBrokerName The remoteBrokerName to set.
|
||||
*/
|
||||
public void setRemoteBrokerName(String remoteBrokerName){
|
||||
this.remoteBrokerName=remoteBrokerName;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return Returns the decreaseNetworkConsumerPriority.
|
||||
*/
|
||||
public boolean isDecreaseNetworkConsumerPriority(){
|
||||
return decreaseNetworkConsumerPriority;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param decreaseNetworkConsumerPriority The decreaseNetworkConsumerPriority to set.
|
||||
*/
|
||||
public void setDecreaseNetworkConsumerPriority(boolean decreaseNetworkConsumerPriority){
|
||||
this.decreaseNetworkConsumerPriority=decreaseNetworkConsumerPriority;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return Returns the networkTTL.
|
||||
*/
|
||||
public int getNetworkTTL(){
|
||||
return networkTTL;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param networkTTL The networkTTL to set.
|
||||
*/
|
||||
public void setNetworkTTL(int networkTTL){
|
||||
this.networkTTL=networkTTL;
|
||||
}
|
||||
|
||||
|
||||
private boolean contains(BrokerId[] brokerPath,BrokerId brokerId){
|
||||
if(brokerPath!=null){
|
||||
for(int i=0;i<brokerPath.length;i++){
|
||||
|
|
@ -477,15 +588,143 @@ public class DemandForwardingBridge implements Bridge{
|
|||
return rc;
|
||||
}
|
||||
|
||||
private void waitStarted() throws InterruptedException {
|
||||
|
||||
protected boolean isPermissableDestination(ActiveMQDestination destination){
|
||||
DestinationFilter filter=DestinationFilter.parseFilter(destination);
|
||||
ActiveMQDestination[] dests = excludedDestinations;
|
||||
if(dests!=null&&dests.length>0){
|
||||
for(int i=0;i<dests.length;i++){
|
||||
ActiveMQDestination match=dests[i];
|
||||
if(match!=null&&filter.matches(match)){
|
||||
return false;
|
||||
}
|
||||
}
|
||||
}
|
||||
dests = dynamicallyIncludedDestinations;
|
||||
if(dests!=null&&dests.length>0){
|
||||
for(int i=0;i<dests.length;i++){
|
||||
ActiveMQDestination match=dests[i];
|
||||
if(match!=null&&filter.matches(match)){
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Subscriptions for these desitnations are always created
|
||||
* @throws IOException
|
||||
*
|
||||
*/
|
||||
protected void setupStaticDestinations() throws IOException{
|
||||
ActiveMQDestination[] dests = staticallyIncludedDestinations;
|
||||
if (dests != null){
|
||||
for(int i=0;i<dests.length;i++){
|
||||
ActiveMQDestination dest=dests[i];
|
||||
DemandSubscription sub = createDemandSubscription(dest);
|
||||
addSubscription(sub);
|
||||
if(log.isTraceEnabled())
|
||||
log.trace("Forwarding messages for static destination: " + dest);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
protected DemandSubscription createDemandSubscription(ConsumerInfo info){
|
||||
DemandSubscription result=new DemandSubscription(info);
|
||||
result.getLocalInfo().setConsumerId(new ConsumerId(localSessionInfo.getSessionId(),consumerIdGenerator
|
||||
.getNextSequenceId()));
|
||||
|
||||
if( decreaseNetworkConsumerPriority ) {
|
||||
byte priority=ConsumerInfo.NETWORK_CONSUMER_PRIORITY;
|
||||
if(priority>Byte.MIN_VALUE&&info.getBrokerPath()!=null&&info.getBrokerPath().length>1){
|
||||
// The longer the path to the consumer, the less it's consumer priority.
|
||||
priority-=info.getBrokerPath().length+1;
|
||||
}
|
||||
result.getLocalInfo().setPriority(priority);
|
||||
}
|
||||
configureDemandSubscription(result);
|
||||
return result;
|
||||
}
|
||||
|
||||
protected DemandSubscription createDemandSubscription(ActiveMQDestination destination){
|
||||
ConsumerInfo info = new ConsumerInfo();
|
||||
info.setDestination(destination);
|
||||
//the remote info held by the DemandSubscription holds the original consumerId,
|
||||
//the local info get's overwritten
|
||||
info.setConsumerId(new ConsumerId(localSessionInfo.getSessionId(),consumerIdGenerator
|
||||
.getNextSequenceId()));
|
||||
DemandSubscription result=new DemandSubscription(info);
|
||||
result.getLocalInfo().setPriority(ConsumerInfo.NETWORK_CONSUMER_PRIORITY);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
protected void configureDemandSubscription(DemandSubscription sub){
|
||||
sub.getLocalInfo().setDispatchAsync(dispatchAsync);
|
||||
sub.getLocalInfo().setPrefetchSize(prefetchSize);
|
||||
subscriptionMapByLocalId.put(sub.getLocalInfo().getConsumerId(),sub);
|
||||
subscriptionMapByRemoteId.put(sub.getRemoteInfo().getConsumerId(),sub);
|
||||
|
||||
// This works for now since we use a VM connection to the local broker.
|
||||
// may need to change if we ever subscribe to a remote broker.
|
||||
sub.getLocalInfo().setAdditionalPredicate(new BooleanExpression(){
|
||||
public boolean matches(MessageEvaluationContext message) throws JMSException{
|
||||
try{
|
||||
return matchesForwardingFilter(message.getMessage());
|
||||
}catch(IOException e){
|
||||
throw JMSExceptionSupport.create(e);
|
||||
}
|
||||
}
|
||||
|
||||
public Object evaluate(MessageEvaluationContext message) throws JMSException{
|
||||
return matches(message)?Boolean.TRUE:Boolean.FALSE;
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
protected void removeDemandSubscription(ConsumerId id) throws IOException{
|
||||
DemandSubscription sub=(DemandSubscription) subscriptionMapByRemoteId.remove(id);
|
||||
if (sub != null){
|
||||
removeSubscription(sub);
|
||||
if(log.isTraceEnabled())
|
||||
log.trace("removing sub on "+localBroker+" from "+remoteBrokerName+" : "+sub.getRemoteInfo());
|
||||
}
|
||||
}
|
||||
|
||||
protected boolean matchesForwardingFilter(Message message){
|
||||
if (contains(message.getBrokerPath(),remoteBrokerPath[0])){
|
||||
if (log.isTraceEnabled()){
|
||||
log.trace("Message all ready routed once through this broker - ignoring: " + message);
|
||||
}
|
||||
}
|
||||
int hops = message.getBrokerPath() == null ? 0 : message.getBrokerPath().length;
|
||||
if(hops >= networkTTL){
|
||||
if (log.isTraceEnabled()){
|
||||
log.trace("Message restricted to " + networkTTL + " network hops ignoring: " + message);
|
||||
}
|
||||
return false;
|
||||
}
|
||||
// Don't propagate advisory messages about network subscriptions
|
||||
if(message.isAdvisory()&&message.getDataStructure()!=null
|
||||
&&message.getDataStructure().getDataStructureType()==CommandTypes.CONSUMER_INFO){
|
||||
ConsumerInfo info=(ConsumerInfo) message.getDataStructure();
|
||||
if(info.isNetworkSubscription()){
|
||||
return false;
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
protected void waitStarted() throws InterruptedException {
|
||||
startedLatch.await();
|
||||
}
|
||||
|
||||
public boolean isDecreaseNetowrkConsumerPriority() {
|
||||
return decreaseNetowrkConsumerPriority;
|
||||
}
|
||||
|
||||
public void setDecreaseNetowrkConsumerPriority(boolean decreaseNetowrkConsumerPriority) {
|
||||
this.decreaseNetowrkConsumerPriority = decreaseNetowrkConsumerPriority;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,122 @@
|
|||
/**
|
||||
*
|
||||
* Copyright 2005-2006 The Apache Software Foundation
|
||||
*
|
||||
* Licensed 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.network;
|
||||
|
||||
import java.util.Set;
|
||||
import org.apache.activemq.command.ActiveMQDestination;
|
||||
import org.apache.activemq.command.ConsumerId;
|
||||
import org.apache.activemq.command.ConsumerInfo;
|
||||
import edu.emory.mathcs.backport.java.util.concurrent.CopyOnWriteArraySet;
|
||||
import edu.emory.mathcs.backport.java.util.concurrent.atomic.AtomicInteger;
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Represents a network bridge interface
|
||||
*
|
||||
* @version $Revision: 1.1 $
|
||||
*/
|
||||
public class DemandSubscription{
|
||||
private ConsumerInfo remoteInfo;
|
||||
private ConsumerInfo localInfo;
|
||||
private Set remoteSubsIds = new CopyOnWriteArraySet();
|
||||
private AtomicInteger dispatched = new AtomicInteger(0);
|
||||
|
||||
DemandSubscription(ConsumerInfo info){
|
||||
remoteInfo=info;
|
||||
localInfo=info.copy();
|
||||
localInfo.setBrokerPath(info.getBrokerPath());
|
||||
localInfo.setNetworkSubscription(true);
|
||||
remoteSubsIds.add(info.getConsumerId());
|
||||
}
|
||||
|
||||
/**
|
||||
* Increment the consumers associated with this subscription
|
||||
* @param id
|
||||
* @return true if added
|
||||
*/
|
||||
public boolean add(ConsumerId id){
|
||||
return remoteSubsIds.add(id);
|
||||
}
|
||||
|
||||
/**
|
||||
* Increment the consumers associated with this subscription
|
||||
* @param id
|
||||
* @return true if added
|
||||
*/
|
||||
public boolean remove(ConsumerId id){
|
||||
return remoteSubsIds.remove(id);
|
||||
}
|
||||
|
||||
/**
|
||||
* @return true if there are no interested consumers
|
||||
*/
|
||||
public boolean isEmpty(){
|
||||
return remoteSubsIds.isEmpty();
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @return Returns the dispatched.
|
||||
*/
|
||||
public int getDispatched(){
|
||||
return dispatched.get();
|
||||
}
|
||||
|
||||
/**
|
||||
* @param dispatched The dispatched to set.
|
||||
*/
|
||||
public void setDispatched(int dispatched){
|
||||
this.dispatched.set(dispatched);
|
||||
}
|
||||
|
||||
/**
|
||||
* @return dispatched count after incremented
|
||||
*/
|
||||
public int incrementDispatched(){
|
||||
return dispatched.incrementAndGet();
|
||||
}
|
||||
|
||||
/**
|
||||
* @return Returns the localInfo.
|
||||
*/
|
||||
public ConsumerInfo getLocalInfo(){
|
||||
return localInfo;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param localInfo The localInfo to set.
|
||||
*/
|
||||
public void setLocalInfo(ConsumerInfo localInfo){
|
||||
this.localInfo=localInfo;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return Returns the remoteInfo.
|
||||
*/
|
||||
public ConsumerInfo getRemoteInfo(){
|
||||
return remoteInfo;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param remoteInfo The remoteInfo to set.
|
||||
*/
|
||||
public void setRemoteInfo(ConsumerInfo remoteInfo){
|
||||
this.remoteInfo=remoteInfo;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,63 @@
|
|||
/**
|
||||
*
|
||||
* Copyright 2005-2006 The Apache Software Foundation
|
||||
*
|
||||
* Licensed 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.network;
|
||||
|
||||
import java.io.IOException;
|
||||
import org.apache.activemq.command.ActiveMQDestination;
|
||||
import org.apache.activemq.transport.Transport;
|
||||
import org.apache.commons.logging.Log;
|
||||
import org.apache.commons.logging.LogFactory;
|
||||
|
||||
|
||||
/**
|
||||
* Consolidates subscriptions
|
||||
*
|
||||
* @version $Revision: 1.1 $
|
||||
*/
|
||||
public class DurableConduitBridge extends ConduitBridge{
|
||||
static final private Log log=LogFactory.getLog(DurableConduitBridge.class);
|
||||
/**
|
||||
* Constructor
|
||||
* @param localBroker
|
||||
* @param remoteBroker
|
||||
*/
|
||||
public DurableConduitBridge(Transport localBroker,Transport remoteBroker){
|
||||
super(localBroker,remoteBroker);
|
||||
}
|
||||
|
||||
/**
|
||||
* Subscriptions for these desitnations are always created
|
||||
* @throws IOException
|
||||
*
|
||||
*/
|
||||
protected void setupStaticDestinations() throws IOException{
|
||||
super.setupStaticDestinations();
|
||||
ActiveMQDestination[] dests=durableDestinations;
|
||||
if(dests!=null){
|
||||
for(int i=0;i<dests.length;i++){
|
||||
ActiveMQDestination dest=dests[i];
|
||||
if(isPermissableDestination(dest)){
|
||||
DemandSubscription sub=createDemandSubscription(dest);
|
||||
addSubscription(sub);
|
||||
if(log.isTraceEnabled())
|
||||
log.trace("Forwarding messages for durable destination: "+dest);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -32,6 +32,7 @@ import org.apache.activemq.command.MessageDispatch;
|
|||
import org.apache.activemq.command.ProducerInfo;
|
||||
import org.apache.activemq.command.SessionInfo;
|
||||
import org.apache.activemq.command.ShutdownInfo;
|
||||
import org.apache.activemq.transport.DefaultTransportListener;
|
||||
import org.apache.activemq.transport.Transport;
|
||||
import org.apache.activemq.transport.TransportListener;
|
||||
import org.apache.activemq.util.IdGenerator;
|
||||
|
|
@ -80,7 +81,7 @@ public class ForwardingBridge implements Bridge {
|
|||
public void start() throws Exception {
|
||||
log.info("Starting a network connection between " + localBroker + " and " + remoteBroker + " has been established.");
|
||||
|
||||
localBroker.setTransportListener(new TransportListener(){
|
||||
localBroker.setTransportListener(new DefaultTransportListener(){
|
||||
public void onCommand(Command command) {
|
||||
serviceLocalCommand(command);
|
||||
}
|
||||
|
|
@ -89,7 +90,7 @@ public class ForwardingBridge implements Bridge {
|
|||
}
|
||||
});
|
||||
|
||||
remoteBroker.setTransportListener(new TransportListener(){
|
||||
remoteBroker.setTransportListener(new DefaultTransportListener(){
|
||||
public void onCommand(Command command) {
|
||||
serviceRemoteCommand(command);
|
||||
}
|
||||
|
|
@ -192,7 +193,7 @@ public class ForwardingBridge implements Bridge {
|
|||
}
|
||||
}
|
||||
} else {
|
||||
System.out.println("Unexpected remote command: "+command);
|
||||
log.warn("Unexpected remote command: "+command);
|
||||
}
|
||||
} catch (IOException e) {
|
||||
serviceLocalException(e);
|
||||
|
|
|
|||
|
|
@ -22,6 +22,8 @@ import java.net.URISyntaxException;
|
|||
import java.util.Set;
|
||||
|
||||
import org.apache.activemq.Service;
|
||||
import org.apache.activemq.broker.BrokerService;
|
||||
import org.apache.activemq.command.ActiveMQDestination;
|
||||
import org.apache.activemq.command.DiscoveryEvent;
|
||||
import org.apache.activemq.transport.Transport;
|
||||
import org.apache.activemq.transport.TransportFactory;
|
||||
|
|
@ -49,7 +51,14 @@ public class NetworkConnector implements Service, DiscoveryListener {
|
|||
private ConcurrentHashMap bridges = new ConcurrentHashMap();
|
||||
private Set durableDestinations;
|
||||
private boolean failover=true;
|
||||
private boolean decreaseNetowrkConsumerPriority;
|
||||
private ActiveMQDestination[] excludedDestinations;
|
||||
private ActiveMQDestination[] dynamicallyIncludedDestinations;
|
||||
private ActiveMQDestination[] staticallyIncludedDestinations;
|
||||
private boolean dynamicOnly = false;
|
||||
private boolean conduitSubscriptions = true;
|
||||
private boolean decreaseNetworkConsumerPriority;
|
||||
private int networkTTL = 1;
|
||||
|
||||
|
||||
public NetworkConnector(){
|
||||
|
||||
|
|
@ -182,24 +191,6 @@ public class NetworkConnector implements Service, DiscoveryListener {
|
|||
setDiscoveryAgent(DiscoveryAgentFactory.createDiscoveryAgent(discoveryURI));
|
||||
}
|
||||
|
||||
// Implementation methods
|
||||
// -------------------------------------------------------------------------
|
||||
protected Bridge createBridge(Transport localTransport, Transport remoteTransport, final DiscoveryEvent event) {
|
||||
DemandForwardingBridge result = new DemandForwardingBridge(localTransport, remoteTransport) {
|
||||
protected void serviceRemoteException(IOException error) {
|
||||
super.serviceRemoteException(error);
|
||||
try {
|
||||
// Notify the discovery agent that the remote broker failed.
|
||||
discoveryAgent.serviceFailed(event);
|
||||
} catch (IOException e) {
|
||||
}
|
||||
}
|
||||
};
|
||||
result.setDecreaseNetowrkConsumerPriority(isDecreaseNetowrkConsumerPriority());
|
||||
result.setLocalBrokerName(brokerName);
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
|
||||
public boolean isFailover() {
|
||||
|
|
@ -243,13 +234,167 @@ public class NetworkConnector implements Service, DiscoveryListener {
|
|||
}
|
||||
|
||||
|
||||
public boolean isDecreaseNetowrkConsumerPriority() {
|
||||
return decreaseNetowrkConsumerPriority;
|
||||
/**
|
||||
* @return Returns the dynamicallyIncludedDestinations.
|
||||
*/
|
||||
public ActiveMQDestination[] getDynamicallyIncludedDestinations(){
|
||||
return dynamicallyIncludedDestinations;
|
||||
}
|
||||
|
||||
|
||||
public void setDecreaseNetowrkConsumerPriority(boolean decreaseNetowrkConsumerPriority) {
|
||||
this.decreaseNetowrkConsumerPriority = decreaseNetowrkConsumerPriority;
|
||||
/**
|
||||
* @param dynamicallyIncludedDestinations The dynamicallyIncludedDestinations to set.
|
||||
*/
|
||||
public void setDynamicallyIncludedDestinations(ActiveMQDestination[] dynamicallyIncludedDestinations){
|
||||
this.dynamicallyIncludedDestinations=dynamicallyIncludedDestinations;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @return Returns the dynamicOnly.
|
||||
*/
|
||||
public boolean isDynamicOnly(){
|
||||
return dynamicOnly;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @param dynamicOnly The dynamicOnly to set.
|
||||
*/
|
||||
public void setDynamicOnly(boolean dynamicOnly){
|
||||
this.dynamicOnly=dynamicOnly;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return Returns the conduitSubscriptions.
|
||||
*/
|
||||
public boolean isConduitSubscriptions(){
|
||||
return conduitSubscriptions;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @param conduitSubscriptions The conduitSubscriptions to set.
|
||||
*/
|
||||
public void setConduitSubscriptions(boolean conduitSubscriptions){
|
||||
this.conduitSubscriptions=conduitSubscriptions;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return Returns the decreaseNetworkConsumerPriority.
|
||||
*/
|
||||
public boolean isDecreaseNetworkConsumerPriority(){
|
||||
return decreaseNetworkConsumerPriority;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param decreaseNetworkConsumerPriority The decreaseNetworkConsumerPriority to set.
|
||||
*/
|
||||
public void setDecreaseNetworkConsumerPriority(boolean decreaseNetworkConsumerPriority){
|
||||
this.decreaseNetworkConsumerPriority=decreaseNetworkConsumerPriority;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return Returns the networkTTL.
|
||||
*/
|
||||
public int getNetworkTTL(){
|
||||
return networkTTL;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param networkTTL The networkTTL to set.
|
||||
*/
|
||||
public void setNetworkTTL(int networkTTL){
|
||||
this.networkTTL=networkTTL;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @return Returns the excludedDestinations.
|
||||
*/
|
||||
public ActiveMQDestination[] getExcludedDestinations(){
|
||||
return excludedDestinations;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @param excludedDestinations The excludedDestinations to set.
|
||||
*/
|
||||
public void setExcludedDestinations(ActiveMQDestination[] exludedDestinations){
|
||||
this.excludedDestinations=exludedDestinations;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @return Returns the staticallyIncludedDestinations.
|
||||
*/
|
||||
public ActiveMQDestination[] getStaticallyIncludedDestinations(){
|
||||
return staticallyIncludedDestinations;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @param staticallyIncludedDestinations The staticallyIncludedDestinations to set.
|
||||
*/
|
||||
public void setStaticallyIncludedDestinations(ActiveMQDestination[] staticallyIncludedDestinations){
|
||||
this.staticallyIncludedDestinations=staticallyIncludedDestinations;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
// Implementation methods
|
||||
// -------------------------------------------------------------------------
|
||||
protected Bridge createBridge(Transport localTransport, Transport remoteTransport, final DiscoveryEvent event) {
|
||||
DemandForwardingBridge result = null;
|
||||
if (conduitSubscriptions){
|
||||
if (dynamicOnly){
|
||||
result = new ConduitBridge(localTransport, remoteTransport) {
|
||||
protected void serviceRemoteException(IOException error) {
|
||||
super.serviceRemoteException(error);
|
||||
try {
|
||||
// Notify the discovery agent that the remote broker failed.
|
||||
discoveryAgent.serviceFailed(event);
|
||||
} catch (IOException e) {
|
||||
}
|
||||
}
|
||||
};
|
||||
}else {
|
||||
result = new DurableConduitBridge(localTransport, remoteTransport) {
|
||||
protected void serviceRemoteException(IOException error) {
|
||||
super.serviceRemoteException(error);
|
||||
try {
|
||||
// Notify the discovery agent that the remote broker failed.
|
||||
discoveryAgent.serviceFailed(event);
|
||||
} catch (IOException e) {
|
||||
}
|
||||
}
|
||||
};
|
||||
}
|
||||
}else {
|
||||
result = new DemandForwardingBridge(localTransport, remoteTransport) {
|
||||
protected void serviceRemoteException(IOException error) {
|
||||
super.serviceRemoteException(error);
|
||||
try {
|
||||
// Notify the discovery agent that the remote broker failed.
|
||||
discoveryAgent.serviceFailed(event);
|
||||
} catch (IOException e) {
|
||||
}
|
||||
}
|
||||
};
|
||||
}
|
||||
result.setLocalBrokerName(brokerName);
|
||||
result.setNetworkTTL(getNetworkTTL());
|
||||
result.setDecreaseNetworkConsumerPriority(isDecreaseNetworkConsumerPriority());
|
||||
result.setDynamicallyIncludedDestinations(getDynamicallyIncludedDestinations());
|
||||
result.setExcludedDestinations(getExcludedDestinations());
|
||||
result.setStaticallyIncludedDestinations(getStaticallyIncludedDestinations());
|
||||
if (durableDestinations != null){
|
||||
ActiveMQDestination[] dest = new ActiveMQDestination[durableDestinations.size()];
|
||||
dest = (ActiveMQDestination[]) durableDestinations.toArray(dest);
|
||||
result.setDurableDestinations(dest);
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue