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ConnectionRouterManager.java
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ConnectionRouterManager.java
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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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.artemis.core.server.routing;
import org.apache.activemq.artemis.api.core.DiscoveryGroupConfiguration;
import org.apache.activemq.artemis.api.core.TransportConfiguration;
import org.apache.activemq.artemis.core.cluster.DiscoveryGroup;
import org.apache.activemq.artemis.core.config.routing.ConnectionRouterConfiguration;
import org.apache.activemq.artemis.core.config.routing.CacheConfiguration;
import org.apache.activemq.artemis.core.config.routing.NamedPropertyConfiguration;
import org.apache.activemq.artemis.core.config.routing.PoolConfiguration;
import org.apache.activemq.artemis.core.config.Configuration;
import org.apache.activemq.artemis.core.server.ActiveMQComponent;
import org.apache.activemq.artemis.core.server.ActiveMQServer;
import org.apache.activemq.artemis.core.server.routing.caches.Cache;
import org.apache.activemq.artemis.core.server.routing.caches.LocalCache;
import org.apache.activemq.artemis.core.server.routing.policies.Policy;
import org.apache.activemq.artemis.core.server.routing.policies.PolicyFactory;
import org.apache.activemq.artemis.core.server.routing.policies.PolicyFactoryResolver;
import org.apache.activemq.artemis.core.server.routing.pools.ClusterPool;
import org.apache.activemq.artemis.core.server.routing.pools.DiscoveryGroupService;
import org.apache.activemq.artemis.core.server.routing.pools.DiscoveryPool;
import org.apache.activemq.artemis.core.server.routing.pools.DiscoveryService;
import org.apache.activemq.artemis.core.server.routing.pools.Pool;
import org.apache.activemq.artemis.core.server.routing.pools.StaticPool;
import org.apache.activemq.artemis.core.server.routing.targets.ActiveMQTargetFactory;
import org.apache.activemq.artemis.core.server.routing.targets.LocalTarget;
import org.apache.activemq.artemis.core.server.routing.targets.Target;
import org.apache.activemq.artemis.core.server.routing.targets.TargetFactory;
import org.apache.activemq.artemis.core.server.cluster.ClusterConnection;
import org.jboss.logging.Logger;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ScheduledExecutorService;
public final class ConnectionRouterManager implements ActiveMQComponent {
private static final Logger logger = Logger.getLogger(ConnectionRouterManager.class);
public static final String CACHE_ID_PREFIX = "$.BC.";
private final Configuration config;
private final ActiveMQServer server;
private final ScheduledExecutorService scheduledExecutor;
private volatile boolean started = false;
private Map<String, ConnectionRouter> connectionRouters = new HashMap<>();
@Override
public boolean isStarted() {
return started;
}
public ConnectionRouterManager(final Configuration config, final ActiveMQServer server, ScheduledExecutorService scheduledExecutor) {
this.config = config;
this.server = server;
this.scheduledExecutor = scheduledExecutor;
}
public void deploy() throws Exception {
for (ConnectionRouterConfiguration connectionRouterConfig : config.getConnectionRouters()) {
deployConnectionRouter(connectionRouterConfig);
}
}
public void deployConnectionRouter(ConnectionRouterConfiguration config) throws Exception {
if (logger.isDebugEnabled()) {
logger.debugf("Deploying ConnectionRouter " + config.getName());
}
Target localTarget = new LocalTarget(null, server);
Cache cache = null;
CacheConfiguration cacheConfiguration = config.getCacheConfiguration();
if (cacheConfiguration != null) {
cache = deployCache(cacheConfiguration, config.getName());
}
Pool pool = null;
final PoolConfiguration poolConfiguration = config.getPoolConfiguration();
if (poolConfiguration != null) {
pool = deployPool(config.getPoolConfiguration(), localTarget);
}
Policy policy = null;
NamedPropertyConfiguration policyConfiguration = config.getPolicyConfiguration();
if (policyConfiguration != null) {
policy = deployPolicy(policyConfiguration, pool);
}
ConnectionRouter connectionRouter = new ConnectionRouter(config.getName(), config.getKeyType(),
config.getKeyFilter(), localTarget, config.getLocalTargetFilter(), cache, pool, policy);
connectionRouters.put(connectionRouter.getName(), connectionRouter);
server.getManagementService().registerConnectionRouter(connectionRouter);
}
private Cache deployCache(CacheConfiguration configuration, String name) throws ClassNotFoundException {
Cache cache = new LocalCache(CACHE_ID_PREFIX + name, configuration.isPersisted(),
configuration.getTimeout(), server.getStorageManager());
return cache;
}
private Pool deployPool(PoolConfiguration config, Target localTarget) throws Exception {
Pool pool;
TargetFactory targetFactory = new ActiveMQTargetFactory();
targetFactory.setUsername(config.getUsername());
targetFactory.setPassword(config.getPassword());
if (config.getClusterConnection() != null) {
ClusterConnection clusterConnection = server.getClusterManager()
.getClusterConnection(config.getClusterConnection());
pool = new ClusterPool(targetFactory, scheduledExecutor, config.getCheckPeriod(), clusterConnection);
} else if (config.getDiscoveryGroupName() != null) {
DiscoveryGroupConfiguration discoveryGroupConfiguration = server.getConfiguration().
getDiscoveryGroupConfigurations().get(config.getDiscoveryGroupName());
DiscoveryService discoveryService = new DiscoveryGroupService(new DiscoveryGroup(server.getNodeID().toString(), config.getDiscoveryGroupName(),
discoveryGroupConfiguration.getRefreshTimeout(), discoveryGroupConfiguration.getBroadcastEndpointFactory(), null));
pool = new DiscoveryPool(targetFactory, scheduledExecutor, config.getCheckPeriod(), discoveryService);
} else if (config.getStaticConnectors() != null) {
Map<String, TransportConfiguration> connectorConfigurations =
server.getConfiguration().getConnectorConfigurations();
List<TransportConfiguration> staticConnectors = new ArrayList<>();
for (String staticConnector : config.getStaticConnectors()) {
TransportConfiguration connector = connectorConfigurations.get(staticConnector);
if (connector != null) {
staticConnectors.add(connector);
} else {
logger.warn("Static connector not found: " + config.isLocalTargetEnabled());
}
}
pool = new StaticPool(targetFactory, scheduledExecutor, config.getCheckPeriod(), staticConnectors);
} else {
throw new IllegalStateException("Pool configuration not valid");
}
pool.setUsername(config.getUsername());
pool.setPassword(config.getPassword());
pool.setQuorumSize(config.getQuorumSize());
pool.setQuorumTimeout(config.getQuorumTimeout());
if (config.isLocalTargetEnabled()) {
pool.addTarget(localTarget);
}
return pool;
}
private Policy deployPolicy(NamedPropertyConfiguration policyConfig, Pool pool) throws ClassNotFoundException {
PolicyFactory policyFactory = PolicyFactoryResolver.getInstance().resolve(policyConfig.getName());
Policy policy = policyFactory.create();
policy.init(policyConfig.getProperties());
if (policy.getTargetProbe() != null) {
pool.addTargetProbe(policy.getTargetProbe());
}
return policy;
}
public ConnectionRouter getRouter(String name) {
return connectionRouters.get(name);
}
@Override
public void start() throws Exception {
for (ConnectionRouter connectionRouter : connectionRouters.values()) {
connectionRouter.start();
}
started = true;
}
@Override
public void stop() throws Exception {
started = false;
for (ConnectionRouter connectionRouter : connectionRouters.values()) {
connectionRouter.stop();
server.getManagementService().unregisterConnectionRouter(connectionRouter.getName());
}
}
}