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AMQPFederationAddressSenderController.java
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AMQPFederationAddressSenderController.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
*
* 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.artemis.protocol.amqp.connect.federation;
import static org.apache.activemq.artemis.protocol.amqp.connect.federation.AMQPFederation.FEDERATION_INSTANCE_RECORD;
import static org.apache.activemq.artemis.protocol.amqp.connect.federation.AMQPFederationConstants.ADDRESS_AUTO_DELETE;
import static org.apache.activemq.artemis.protocol.amqp.connect.federation.AMQPFederationConstants.ADDRESS_AUTO_DELETE_DELAY;
import static org.apache.activemq.artemis.protocol.amqp.connect.federation.AMQPFederationConstants.ADDRESS_AUTO_DELETE_MSG_COUNT;
import static org.apache.activemq.artemis.protocol.amqp.connect.federation.AMQPFederationConstants.FEDERATION_ADDRESS_RECEIVER;
import static org.apache.activemq.artemis.protocol.amqp.connect.federation.AMQPFederationPolicySupport.FEDERATED_ADDRESS_SOURCE_PROPERTIES;
import static org.apache.activemq.artemis.protocol.amqp.proton.AmqpSupport.QUEUE_CAPABILITY;
import static org.apache.activemq.artemis.protocol.amqp.proton.AmqpSupport.TOPIC_CAPABILITY;
import static org.apache.activemq.artemis.protocol.amqp.proton.AmqpSupport.verifyOfferedCapabilities;
import java.util.Collections;
import java.util.Map;
import java.util.Set;
import org.apache.activemq.artemis.api.config.ActiveMQDefaultConfiguration;
import org.apache.activemq.artemis.api.core.ActiveMQExceptionType;
import org.apache.activemq.artemis.api.core.ActiveMQSecurityException;
import org.apache.activemq.artemis.api.core.QueueConfiguration;
import org.apache.activemq.artemis.api.core.RoutingType;
import org.apache.activemq.artemis.api.core.SimpleString;
import org.apache.activemq.artemis.core.server.AddressQueryResult;
import org.apache.activemq.artemis.core.server.Consumer;
import org.apache.activemq.artemis.core.server.QueueQueryResult;
import org.apache.activemq.artemis.protocol.amqp.exceptions.ActiveMQAMQPException;
import org.apache.activemq.artemis.protocol.amqp.exceptions.ActiveMQAMQPIllegalStateException;
import org.apache.activemq.artemis.protocol.amqp.exceptions.ActiveMQAMQPInternalErrorException;
import org.apache.activemq.artemis.protocol.amqp.exceptions.ActiveMQAMQPNotImplementedException;
import org.apache.activemq.artemis.protocol.amqp.logger.ActiveMQAMQPProtocolMessageBundle;
import org.apache.activemq.artemis.protocol.amqp.proton.AMQPSessionContext;
import org.apache.activemq.artemis.protocol.amqp.proton.AmqpSupport;
import org.apache.activemq.artemis.protocol.amqp.proton.ProtonServerSenderContext;
import org.apache.activemq.artemis.protocol.amqp.proton.SenderController;
import org.apache.activemq.artemis.selector.filter.FilterException;
import org.apache.activemq.artemis.selector.impl.SelectorParser;
import org.apache.qpid.proton.amqp.DescribedType;
import org.apache.qpid.proton.amqp.Symbol;
import org.apache.qpid.proton.amqp.messaging.Source;
import org.apache.qpid.proton.amqp.transport.AmqpError;
import org.apache.qpid.proton.amqp.transport.ReceiverSettleMode;
import org.apache.qpid.proton.engine.Connection;
import org.apache.qpid.proton.engine.Sender;
/**
* {@link SenderController} used when an AMQP federation Address receiver is created
* and this side of the connection needs to create a matching sender. The address sender
* controller must check on initialization if the address exists and if not it should
* create it using the configuration values supplied in the link source properties that
* control the lifetime of the address once the link is closed.
*/
public final class AMQPFederationAddressSenderController extends AMQPFederationBaseSenderController {
public AMQPFederationAddressSenderController(AMQPSessionContext session) throws ActiveMQAMQPException {
super(session);
}
@SuppressWarnings("unchecked")
@Override
public Consumer init(ProtonServerSenderContext senderContext) throws Exception {
final Sender sender = senderContext.getSender();
final Source source = (Source) sender.getRemoteSource();
final String selector;
final SimpleString queueName = SimpleString.toSimpleString(sender.getName());
final Connection protonConnection = sender.getSession().getConnection();
final org.apache.qpid.proton.engine.Record attachments = protonConnection.attachments();
AMQPFederation federation = attachments.get(FEDERATION_INSTANCE_RECORD, AMQPFederation.class);
if (federation == null) {
throw new ActiveMQAMQPIllegalStateException("Cannot create a federation link from non-federation connection");
}
if (source == null) {
throw new ActiveMQAMQPNotImplementedException("Null source lookup not supported on federation links.");
}
// Match the settlement mode of the remote instead of relying on the default of MIXED.
sender.setSenderSettleMode(sender.getRemoteSenderSettleMode());
// We don't currently support SECOND so enforce that the answer is always FIRST
sender.setReceiverSettleMode(ReceiverSettleMode.FIRST);
// We need to offer back that we support federation for the remote to complete the attach
sender.setOfferedCapabilities(new Symbol[] {FEDERATION_ADDRESS_RECEIVER});
// We indicate desired to meet specification that we cannot use a capability unless we
// indicated it was desired, however unless offered by the remote we cannot use it.
sender.setDesiredCapabilities(new Symbol[] {AmqpSupport.CORE_MESSAGE_TUNNELING_SUPPORT});
// We need to check that the remote offers its ability to read tunneled core messages and
// if not we must not send them but instead convert all messages to AMQP messages first.
tunnelCoreMessages = verifyOfferedCapabilities(sender, AmqpSupport.CORE_MESSAGE_TUNNELING_SUPPORT);
final Map<String, Object> addressSourceProperties;
if (sender.getRemoteProperties() == null || !sender.getRemoteProperties().containsKey(FEDERATED_ADDRESS_SOURCE_PROPERTIES)) {
addressSourceProperties = Collections.EMPTY_MAP;
} else {
addressSourceProperties = (Map<String, Object>) sender.getRemoteProperties().get(FEDERATED_ADDRESS_SOURCE_PROPERTIES);
}
final boolean autoDelete = (boolean) addressSourceProperties.getOrDefault(ADDRESS_AUTO_DELETE, false);
final long autoDeleteDelay = ((Number) addressSourceProperties.getOrDefault(ADDRESS_AUTO_DELETE_DELAY, 0)).longValue();
final long autoDeleteMsgCount = ((Number) addressSourceProperties.getOrDefault(ADDRESS_AUTO_DELETE_MSG_COUNT, 0)).longValue();
// An address receiver may opt to filter on things like max message hops so we must
// check for a filter here and apply it if it exists.
final Map.Entry<Symbol, DescribedType> filter = AmqpSupport.findFilter(source.getFilter(), AmqpSupport.JMS_SELECTOR_FILTER_IDS);
if (filter != null) {
selector = filter.getValue().getDescribed().toString();
try {
SelectorParser.parse(selector);
} catch (FilterException e) {
throw new ActiveMQAMQPException(AmqpError.INVALID_FIELD, "Invalid filter", ActiveMQExceptionType.INVALID_FILTER_EXPRESSION);
}
} else {
selector = null;
}
final SimpleString address = SimpleString.toSimpleString(source.getAddress());
final AddressQueryResult addressQueryResult;
try {
addressQueryResult = sessionSPI.addressQuery(address, RoutingType.MULTICAST, true);
} catch (ActiveMQSecurityException e) {
throw ActiveMQAMQPProtocolMessageBundle.BUNDLE.securityErrorCreatingConsumer(e.getMessage());
} catch (ActiveMQAMQPException e) {
throw e;
} catch (Exception e) {
throw new ActiveMQAMQPInternalErrorException(e.getMessage(), e);
}
if (!addressQueryResult.isExists()) {
federation.registerMissingAddress(address.toString());
throw ActiveMQAMQPProtocolMessageBundle.BUNDLE.sourceAddressDoesntExist();
}
final Set<RoutingType> routingTypes = addressQueryResult.getRoutingTypes();
// Strictly enforce the MULTICAST nature of current address federation support.
if (!routingTypes.contains(RoutingType.MULTICAST)) {
throw new ActiveMQAMQPIllegalStateException("Address " + address + " is not configured for MULTICAST support");
}
final RoutingType routingType = getRoutingType(source);
// Recover or create the queue we use to reflect the messages sent to the address to the remote
QueueQueryResult queueQuery = sessionSPI.queueQuery(queueName, routingType, false);
if (!queueQuery.isExists()) {
final QueueConfiguration configuration = new QueueConfiguration(queueName);
configuration.setAddress(address);
configuration.setRoutingType(routingType);
configuration.setAutoCreateAddress(false);
configuration.setMaxConsumers(-1);
configuration.setPurgeOnNoConsumers(false);
configuration.setFilterString(selector);
configuration.setDurable(true);
configuration.setAutoCreated(false);
configuration.setAutoDelete(autoDelete);
configuration.setAutoDeleteDelay(autoDeleteDelay);
configuration.setAutoDeleteMessageCount(autoDeleteMsgCount);
// Try and create it and then later we will validate fully that it matches our expectations
// since we could lose a race with some other resource creating its own resources.
queueQuery = sessionSPI.queueQuery(configuration, true);
}
if (!queueQuery.getAddress().equals(address)) {
throw new ActiveMQAMQPIllegalStateException("Requested queue: " + queueName + " for federation of address: " + address +
", but it is already mapped to a different address: " + queueQuery.getAddress());
}
// Configure an action to register a watcher for this federated address to be created if it is
// removed during the lifetime of the federation receiver, if restored an event will be sent
// to the remote to prompt it to create a new receiver.
resourceDeletedAction = (e) -> federation.registerMissingAddress(address.toString());
return (Consumer) sessionSPI.createSender(senderContext, queueName, null, false);
}
private static RoutingType getRoutingType(Source source) {
if (source != null) {
if (source.getCapabilities() != null) {
for (Symbol capability : source.getCapabilities()) {
if (TOPIC_CAPABILITY.equals(capability)) {
return RoutingType.MULTICAST;
} else if (QUEUE_CAPABILITY.equals(capability)) {
return RoutingType.ANYCAST;
}
}
}
}
return ActiveMQDefaultConfiguration.getDefaultRoutingType();
}
}