| /** |
| * 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.util; |
| |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.activemq.advisory.AdvisoryBroker; |
| import org.apache.activemq.advisory.AdvisorySupport; |
| import org.apache.activemq.broker.BrokerService; |
| import org.apache.activemq.broker.region.DurableTopicSubscription; |
| import org.apache.activemq.broker.region.RegionBroker; |
| import org.apache.activemq.broker.region.Subscription; |
| import org.apache.activemq.broker.region.TopicRegion; |
| import org.apache.activemq.command.ActiveMQDestination; |
| import org.apache.activemq.command.BrokerSubscriptionInfo; |
| import org.apache.activemq.command.ConsumerInfo; |
| import org.apache.activemq.filter.DestinationFilter; |
| import org.apache.activemq.network.NetworkBridgeConfiguration; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class NetworkBridgeUtils { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(NetworkBridgeUtils.class); |
| |
| /** |
| * Generate the BrokerSubscriptionInfo which is used to tell the broker on the other |
| * side of the network bridge which NC durable subscriptions are still needed for demand. |
| * @param brokerService |
| * @param config |
| * @return |
| */ |
| public static BrokerSubscriptionInfo getBrokerSubscriptionInfo(final BrokerService brokerService, |
| final NetworkBridgeConfiguration config) { |
| |
| RegionBroker regionBroker = (RegionBroker) brokerService.getRegionBroker(); |
| TopicRegion topicRegion = (TopicRegion) regionBroker.getTopicRegion(); |
| Set<ConsumerInfo> subscriptionInfos = new HashSet<>(); |
| |
| //Add all durable subscriptions to the set that match the network config |
| //which currently is just the dynamicallyIncludedDestinations list |
| for (SubscriptionKey key : topicRegion.getDurableSubscriptions().keySet()) { |
| DurableTopicSubscription sub = topicRegion.getDurableSubscriptions().get(key); |
| if (sub != null && NetworkBridgeUtils.matchesNetworkConfig(config, sub.getConsumerInfo().getDestination())) { |
| ConsumerInfo ci = sub.getConsumerInfo().copy(); |
| ci.setClientId(key.getClientId()); |
| subscriptionInfos.add(ci); |
| } |
| } |
| |
| //We also need to iterate over all normal subscriptions and check if they are part of |
| //any dynamicallyIncludedDestination that is configured with forceDurable to be true |
| //over the network bridge. If forceDurable is true then we want to add the consumer to the set |
| for (Subscription sub : topicRegion.getSubscriptions().values()) { |
| if (sub != null && NetworkBridgeUtils.isForcedDurable(sub.getConsumerInfo(), |
| config.getDynamicallyIncludedDestinations())) { |
| subscriptionInfos.add(sub.getConsumerInfo().copy()); |
| } |
| } |
| |
| try { |
| //Lastly, if isUseVirtualDestSubs is configured on this broker (to fire advisories) and |
| //configured on the network connector (to listen to advisories) then also add any virtual |
| //dest subscription to the set if forceDurable is true for its destination |
| AdvisoryBroker ab = (AdvisoryBroker) brokerService.getBroker().getAdaptor(AdvisoryBroker.class); |
| if (ab != null && brokerService.isUseVirtualDestSubs() && config.isUseVirtualDestSubs()) { |
| for (ConsumerInfo info : ab.getVirtualDestinationConsumers().keySet()) { |
| if (NetworkBridgeUtils.isForcedDurable(info, config.getDynamicallyIncludedDestinations())) { |
| subscriptionInfos.add(info.copy()); |
| } |
| } |
| } |
| } catch (Exception e) { |
| LOG.warn("Error processing virtualDestinationSubs for BrokerSubscriptionInfo"); |
| LOG.debug("Error processing virtualDestinationSubs for BrokerSubscriptionInfo", e); |
| } |
| BrokerSubscriptionInfo bsi = new BrokerSubscriptionInfo(brokerService.getBrokerName()); |
| bsi.setSubscriptionInfos(subscriptionInfos.toArray(new ConsumerInfo[0])); |
| return bsi; |
| } |
| |
| public static boolean isForcedDurable(final ConsumerInfo info, |
| final List<ActiveMQDestination> dynamicallyIncludedDestinations) { |
| return dynamicallyIncludedDestinations != null |
| ? isForcedDurable(info, |
| dynamicallyIncludedDestinations.toArray(new ActiveMQDestination[0]), null) : false; |
| } |
| |
| public static boolean isForcedDurable(final ConsumerInfo info, |
| final ActiveMQDestination[] dynamicallyIncludedDestinations, |
| final ActiveMQDestination[] staticallyIncludedDestinations) { |
| |
| if (info.isDurable() || info.getDestination().isQueue()) { |
| return false; |
| } |
| |
| ActiveMQDestination destination = info.getDestination(); |
| if (AdvisorySupport.isAdvisoryTopic(destination) || destination.isTemporary() || |
| destination.isQueue()) { |
| return false; |
| } |
| |
| ActiveMQDestination matching = findMatchingDestination(dynamicallyIncludedDestinations, destination); |
| if (matching != null) { |
| return isDestForcedDurable(matching); |
| } |
| matching = findMatchingDestination(staticallyIncludedDestinations, destination); |
| if (matching != null) { |
| return isDestForcedDurable(matching); |
| } |
| return false; |
| } |
| |
| public static boolean matchesNetworkConfig(final NetworkBridgeConfiguration config, |
| ActiveMQDestination destination) { |
| List<ActiveMQDestination> includedDests = config.getDynamicallyIncludedDestinations(); |
| if (includedDests != null && includedDests.size() > 0) { |
| for (ActiveMQDestination dest : includedDests) { |
| DestinationFilter inclusionFilter = DestinationFilter.parseFilter(dest); |
| if (dest != null && inclusionFilter.matches(destination) && dest.getDestinationType() == destination.getDestinationType()) { |
| return true; |
| } |
| } |
| } |
| |
| return false; |
| } |
| |
| public static boolean matchesDestinations(ActiveMQDestination[] dests, final ActiveMQDestination destination) { |
| if (dests != null && dests.length > 0) { |
| for (ActiveMQDestination dest : dests) { |
| DestinationFilter inclusionFilter = DestinationFilter.parseFilter(dest); |
| if (dest != null && inclusionFilter.matches(destination) && dest.getDestinationType() == destination.getDestinationType()) { |
| return true; |
| } |
| } |
| } |
| |
| return false; |
| } |
| |
| public static ActiveMQDestination findMatchingDestination(ActiveMQDestination[] dests, ActiveMQDestination destination) { |
| if (dests != null && dests.length > 0) { |
| for (ActiveMQDestination dest : dests) { |
| DestinationFilter inclusionFilter = DestinationFilter.parseFilter(dest); |
| if (dest != null && inclusionFilter.matches(destination) && dest.getDestinationType() == destination.getDestinationType()) { |
| return dest; |
| } |
| } |
| } |
| |
| return null; |
| } |
| |
| public static boolean isDestForcedDurable(final ActiveMQDestination destination) { |
| boolean isForceDurable = false; |
| if (destination != null) { |
| final Map<String, String> options = destination.getOptions(); |
| |
| if (options != null) { |
| isForceDurable = (boolean) TypeConversionSupport.convert(options.get("forceDurable"), boolean.class); |
| } |
| } |
| |
| return isForceDurable; |
| } |
| } |