/* * 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.core.server.impl; import javax.json.JsonArrayBuilder; import javax.json.JsonObjectBuilder; import javax.transaction.xa.XAException; import javax.transaction.xa.Xid; import java.util.ArrayList; import java.util.Collections; import java.util.HashMap; import java.util.HashSet; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Set; import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.atomic.AtomicLong; import org.apache.activemq.artemis.Closeable; import org.apache.activemq.artemis.api.core.ActiveMQException; import org.apache.activemq.artemis.api.core.ActiveMQIOErrorException; import org.apache.activemq.artemis.api.core.ActiveMQIllegalStateException; import org.apache.activemq.artemis.api.core.ActiveMQNonExistentQueueException; import org.apache.activemq.artemis.api.core.Message; import org.apache.activemq.artemis.api.core.Pair; import org.apache.activemq.artemis.api.core.RoutingType; import org.apache.activemq.artemis.api.core.SimpleString; import org.apache.activemq.artemis.api.core.client.ClientSession; import org.apache.activemq.artemis.api.core.management.CoreNotificationType; import org.apache.activemq.artemis.api.core.management.ManagementHelper; import org.apache.activemq.artemis.core.exception.ActiveMQXAException; import org.apache.activemq.artemis.core.filter.Filter; import org.apache.activemq.artemis.core.filter.impl.FilterImpl; import org.apache.activemq.artemis.core.io.IOCallback; import org.apache.activemq.artemis.core.paging.PagingManager; import org.apache.activemq.artemis.core.paging.PagingStore; import org.apache.activemq.artemis.core.persistence.OperationContext; import org.apache.activemq.artemis.core.persistence.StorageManager; import org.apache.activemq.artemis.core.postoffice.Binding; import org.apache.activemq.artemis.core.postoffice.BindingType; import org.apache.activemq.artemis.core.postoffice.PostOffice; import org.apache.activemq.artemis.core.postoffice.QueueBinding; import org.apache.activemq.artemis.core.postoffice.RoutingStatus; import org.apache.activemq.artemis.core.remoting.CloseListener; import org.apache.activemq.artemis.core.remoting.FailureListener; import org.apache.activemq.artemis.core.security.CheckType; import org.apache.activemq.artemis.core.security.SecurityAuth; import org.apache.activemq.artemis.core.security.SecurityStore; import org.apache.activemq.artemis.core.server.ActiveMQMessageBundle; import org.apache.activemq.artemis.core.server.ActiveMQServer; import org.apache.activemq.artemis.core.server.ActiveMQServerLogger; import org.apache.activemq.artemis.core.server.AddressQueryResult; import org.apache.activemq.artemis.core.server.BindingQueryResult; import org.apache.activemq.artemis.core.server.MessageReference; import org.apache.activemq.artemis.core.server.Queue; import org.apache.activemq.artemis.core.server.QueueQueryResult; import org.apache.activemq.artemis.core.server.RoutingContext; import org.apache.activemq.artemis.core.server.ServerConsumer; import org.apache.activemq.artemis.core.server.ServerSession; import org.apache.activemq.artemis.core.server.TempQueueObserver; import org.apache.activemq.artemis.core.server.management.ManagementService; import org.apache.activemq.artemis.core.server.management.Notification; import org.apache.activemq.artemis.core.settings.impl.AddressSettings; import org.apache.activemq.artemis.core.transaction.ResourceManager; import org.apache.activemq.artemis.core.transaction.Transaction; import org.apache.activemq.artemis.core.transaction.Transaction.State; import org.apache.activemq.artemis.core.transaction.TransactionOperationAbstract; import org.apache.activemq.artemis.core.transaction.TransactionPropertyIndexes; import org.apache.activemq.artemis.core.transaction.impl.TransactionImpl; import org.apache.activemq.artemis.spi.core.protocol.RemotingConnection; import org.apache.activemq.artemis.spi.core.protocol.SessionCallback; import org.apache.activemq.artemis.utils.JsonLoader; import org.apache.activemq.artemis.utils.PrefixUtil; import org.apache.activemq.artemis.utils.collections.TypedProperties; import org.jboss.logging.Logger; import static org.apache.activemq.artemis.api.core.JsonUtil.nullSafe; /** * Server side Session implementation */ public class ServerSessionImpl implements ServerSession, FailureListener { // Constants ----------------------------------------------------------------------------- private static final Logger logger = Logger.getLogger(ServerSessionImpl.class); // Static ------------------------------------------------------------------------------- // Attributes ---------------------------------------------------------------------------- private boolean securityEnabled = true; protected final String username; protected final String password; protected final String validatedUser; private final int minLargeMessageSize; protected boolean autoCommitSends; protected boolean autoCommitAcks; protected final boolean preAcknowledge; protected final boolean strictUpdateDeliveryCount; protected final RemotingConnection remotingConnection; protected final Map<Long, ServerConsumer> consumers = new ConcurrentHashMap<>(); protected Transaction tx; protected boolean xa; protected final PagingManager pagingManager; protected final StorageManager storageManager; private final ResourceManager resourceManager; public final PostOffice postOffice; private final SecurityStore securityStore; protected final ManagementService managementService; protected volatile boolean started = false; protected final Map<SimpleString, TempQueueCleanerUpper> tempQueueCleannerUppers = new HashMap<>(); protected final String name; protected final ActiveMQServer server; private final SimpleString managementAddress; protected final RoutingContext routingContext = new RoutingContextImpl(null); protected final SessionCallback callback; private volatile SimpleString defaultAddress; private volatile int timeoutSeconds; private Map<String, String> metaData; private final OperationContext context; // Session's usage should be by definition single threaded, hence it's not needed to use a concurrentHashMap here protected final Map<SimpleString, Pair<Object, AtomicLong>> targetAddressInfos = new HashMap<>(); private final long creationTime = System.currentTimeMillis(); // to prevent session from being closed twice. // this can happen when a session close from client just // arrives while the connection failure is detected at the // server. Both the request and failure listener will // try to close one session from different threads // concurrently. private volatile boolean closed = false; private boolean prefixEnabled = false; private Map<SimpleString, RoutingType> prefixes; private Set<Closeable> closeables; public ServerSessionImpl(final String name, final String username, final String password, final String validatedUser, final int minLargeMessageSize, final boolean autoCommitSends, final boolean autoCommitAcks, final boolean preAcknowledge, final boolean strictUpdateDeliveryCount, final boolean xa, final RemotingConnection remotingConnection, final StorageManager storageManager, final PostOffice postOffice, final ResourceManager resourceManager, final SecurityStore securityStore, final ManagementService managementService, final ActiveMQServer server, final SimpleString managementAddress, final SimpleString defaultAddress, final SessionCallback callback, final OperationContext context, final PagingManager pagingManager, final Map<SimpleString, RoutingType> prefixes) throws Exception { this.username = username; this.password = password; this.validatedUser = validatedUser; this.minLargeMessageSize = minLargeMessageSize; this.autoCommitSends = autoCommitSends; this.autoCommitAcks = autoCommitAcks; this.preAcknowledge = preAcknowledge; this.remotingConnection = remotingConnection; this.storageManager = storageManager; this.postOffice = postOffice; this.resourceManager = resourceManager; this.securityStore = securityStore; this.pagingManager = pagingManager; timeoutSeconds = resourceManager.getTimeoutSeconds(); this.xa = xa; this.strictUpdateDeliveryCount = strictUpdateDeliveryCount; this.managementService = managementService; this.name = name; this.server = server; this.prefixes = prefixes; if (this.prefixes != null && !this.prefixes.isEmpty()) { prefixEnabled = true; } this.managementAddress = managementAddress; this.callback = callback; this.defaultAddress = defaultAddress; remotingConnection.addFailureListener(this); this.context = context; if (!xa) { tx = newTransaction(); } } // ServerSession implementation --------------------------------------------------------------------------- @Override public void enableSecurity() { this.securityEnabled = true; } @Override public void addCloseable(Closeable closeable) { if (closeables == null) { closeables = new HashSet<>(); } this.closeables.add(closeable); } @Override public void disableSecurity() { this.securityEnabled = false; } @Override public boolean isClosed() { return closed; } /** * @return the sessionContext */ @Override public OperationContext getSessionContext() { return context; } @Override public String getUsername() { return username; } @Override public String getPassword() { return password; } @Override public int getMinLargeMessageSize() { return minLargeMessageSize; } @Override public String getName() { return name; } @Override public Object getConnectionID() { return remotingConnection.getID(); } @Override public Set<ServerConsumer> getServerConsumers() { Set<ServerConsumer> consumersClone = new HashSet<>(consumers.values()); return Collections.unmodifiableSet(consumersClone); } @Override public void markTXFailed(Throwable e) { Transaction currentTX = this.tx; if (currentTX != null) { if (e instanceof ActiveMQException) { currentTX.markAsRollbackOnly((ActiveMQException) e); } else { ActiveMQException exception = new ActiveMQException(e.getMessage()); exception.initCause(e); currentTX.markAsRollbackOnly(exception); } } } @Override public boolean removeConsumer(final long consumerID) throws Exception { return consumers.remove(consumerID) != null; } protected void doClose(final boolean failed) throws Exception { synchronized (this) { if (!closed) { server.callBrokerPlugins(server.hasBrokerPlugins() ? plugin -> plugin.beforeCloseSession(this, failed) : null); } this.setStarted(false); if (closed) return; if (tx != null && tx.getXid() == null) { // We only rollback local txs on close, not XA tx branches try { rollback(failed, false); } catch (Exception e) { ActiveMQServerLogger.LOGGER.warn(e.getMessage(), e); } } } //putting closing of consumers outside the sync block //https://issues.jboss.org/browse/HORNETQ-1141 Set<ServerConsumer> consumersClone = new HashSet<>(consumers.values()); for (ServerConsumer consumer : consumersClone) { try { consumer.close(failed); } catch (Throwable e) { ActiveMQServerLogger.LOGGER.warn(e.getMessage(), e); try { consumer.removeItself(); } catch (Throwable e2) { ActiveMQServerLogger.LOGGER.warn(e2.getMessage(), e2); } } } consumers.clear(); if (closeables != null) { for (Closeable closeable : closeables) { closeable.close(failed); } } synchronized (this) { server.removeSession(name); remotingConnection.removeFailureListener(this); if (callback != null) { callback.closed(); } closed = true; server.callBrokerPlugins(server.hasBrokerPlugins() ? plugin -> plugin.afterCloseSession(this, failed) : null); } } private void securityCheck(SimpleString address, CheckType checkType, SecurityAuth auth) throws Exception { if (securityEnabled) { securityStore.check(address, checkType, auth); } } @Override public ServerConsumer createConsumer(final long consumerID, final SimpleString queueName, final SimpleString filterString, final boolean browseOnly) throws Exception { return this.createConsumer(consumerID, queueName, filterString, browseOnly, true, null); } @Override public ServerConsumer createConsumer(final long consumerID, final SimpleString queueName, final SimpleString filterString, final boolean browseOnly, final boolean supportLargeMessage, final Integer credits) throws Exception { final SimpleString unPrefixedQueueName = removePrefix(queueName); Binding binding = postOffice.getBinding(unPrefixedQueueName); if (binding == null || binding.getType() != BindingType.LOCAL_QUEUE) { throw ActiveMQMessageBundle.BUNDLE.noSuchQueue(unPrefixedQueueName); } SimpleString address = removePrefix(binding.getAddress()); if (browseOnly) { try { securityCheck(address, CheckType.BROWSE, this); } catch (Exception e) { securityCheck(address.concat(".").concat(unPrefixedQueueName), CheckType.BROWSE, this); } } else { try { securityCheck(address, CheckType.CONSUME, this); } catch (Exception e) { securityCheck(address.concat(".").concat(unPrefixedQueueName), CheckType.CONSUME, this); } } Filter filter = FilterImpl.createFilter(filterString); server.callBrokerPlugins(server.hasBrokerPlugins() ? plugin -> plugin.beforeCreateConsumer(consumerID, unPrefixedQueueName, filterString, browseOnly, supportLargeMessage) : null); ServerConsumer consumer = new ServerConsumerImpl(consumerID, this, (QueueBinding) binding, filter, started, browseOnly, storageManager, callback, preAcknowledge, strictUpdateDeliveryCount, managementService, supportLargeMessage, credits, server); consumers.put(consumer.getID(), consumer); server.callBrokerPlugins(server.hasBrokerPlugins() ? plugin -> plugin.afterCreateConsumer(consumer) : null); if (!browseOnly) { TypedProperties props = new TypedProperties(); props.putSimpleStringProperty(ManagementHelper.HDR_ADDRESS, address); props.putSimpleStringProperty(ManagementHelper.HDR_CLUSTER_NAME, binding.getClusterName()); props.putSimpleStringProperty(ManagementHelper.HDR_ROUTING_NAME, binding.getRoutingName()); props.putIntProperty(ManagementHelper.HDR_DISTANCE, binding.getDistance()); Queue theQueue = (Queue) binding.getBindable(); props.putIntProperty(ManagementHelper.HDR_CONSUMER_COUNT, theQueue.getConsumerCount()); // HORNETQ-946 props.putSimpleStringProperty(ManagementHelper.HDR_USER, SimpleString.toSimpleString(username)); props.putSimpleStringProperty(ManagementHelper.HDR_REMOTE_ADDRESS, SimpleString.toSimpleString(this.remotingConnection.getRemoteAddress())); props.putSimpleStringProperty(ManagementHelper.HDR_SESSION_NAME, SimpleString.toSimpleString(name)); if (filterString != null) { props.putSimpleStringProperty(ManagementHelper.HDR_FILTERSTRING, filterString); } Notification notification = new Notification(null, CoreNotificationType.CONSUMER_CREATED, props); if (logger.isDebugEnabled()) { logger.debug("Session with user=" + username + ", connection=" + this.remotingConnection + " created a consumer on queue " + unPrefixedQueueName + ", filter = " + filterString); } managementService.sendNotification(notification); } return consumer; } /** * Some protocols may chose to hold their transactions outside of the ServerSession. * This can be used to replace the transaction. * Notice that we set autoCommitACK and autoCommitSends to true if tx == null */ @Override public void resetTX(Transaction transaction) { this.tx = transaction; this.autoCommitAcks = transaction == null; this.autoCommitSends = transaction == null; } @Override public Queue createQueue(final SimpleString address, final SimpleString name, final SimpleString filterString, final boolean temporary, final boolean durable) throws Exception { AddressSettings as = server.getAddressSettingsRepository().getMatch(address.toString()); return createQueue(address, name, as.getDefaultQueueRoutingType(), filterString, temporary, durable, as.getDefaultMaxConsumers(), as.isDefaultPurgeOnNoConsumers(), false); } @Override public Queue createQueue(final SimpleString address, final SimpleString name, final RoutingType routingType, final SimpleString filterString, final boolean temporary, final boolean durable) throws Exception { AddressSettings as = server.getAddressSettingsRepository().getMatch(address.toString()); return createQueue(address, name, routingType, filterString, temporary, durable, as.getDefaultMaxConsumers(), as.isDefaultPurgeOnNoConsumers(), false); } @Override public Queue createQueue(final SimpleString address, final SimpleString name, final RoutingType routingType, final SimpleString filterString, final boolean temporary, final boolean durable, final int maxConsumers, final boolean purgeOnNoConsumers, final boolean autoCreated) throws Exception { final SimpleString unPrefixedName = removePrefix(name); Pair<SimpleString, RoutingType> art = getAddressAndRoutingType(address, routingType); if (durable) { // make sure the user has privileges to create this queue securityCheck(address, CheckType.CREATE_DURABLE_QUEUE, this); } else { securityCheck(address, CheckType.CREATE_NON_DURABLE_QUEUE, this); } server.checkQueueCreationLimit(getUsername()); Queue queue = server.createQueue(art.getA(), art.getB(), unPrefixedName, filterString, SimpleString.toSimpleString(getUsername()), durable, temporary, autoCreated, maxConsumers, purgeOnNoConsumers, server.getAddressSettingsRepository().getMatch(address.toString()).isAutoCreateAddresses()); if (temporary) { // Temporary queue in core simply means the queue will be deleted if // the remoting connection // dies. It does not mean it will get deleted automatically when the // session is closed. // It is up to the user to delete the queue when finished with it TempQueueCleanerUpper cleaner = new TempQueueCleanerUpper(server, unPrefixedName); if (remotingConnection instanceof TempQueueObserver) { cleaner.setObserver((TempQueueObserver) remotingConnection); } remotingConnection.addCloseListener(cleaner); remotingConnection.addFailureListener(cleaner); tempQueueCleannerUppers.put(unPrefixedName, cleaner); } if (logger.isDebugEnabled()) { logger.debug("Queue " + unPrefixedName + " created on address " + address + " with filter=" + filterString + " temporary = " + temporary + " durable=" + durable + " on session user=" + this.username + ", connection=" + this.remotingConnection); } return queue; } @Override public Queue createQueue(SimpleString address, SimpleString name, RoutingType routingType, SimpleString filterString, boolean temporary, boolean durable, boolean autoCreated) throws Exception { AddressSettings as = server.getAddressSettingsRepository().getMatch(address.toString()); return createQueue(address, name, routingType, filterString, temporary, durable, as.getDefaultMaxConsumers(), as.isDefaultPurgeOnNoConsumers(), autoCreated); } @Override public AddressInfo createAddress(final SimpleString address, Set<RoutingType> routingTypes, final boolean autoCreated) throws Exception { Pair<SimpleString, Set<RoutingType>> art = getAddressAndRoutingTypes(address, routingTypes); securityCheck(art.getA(), CheckType.CREATE_ADDRESS, this); server.addOrUpdateAddressInfo(new AddressInfo(art.getA(), art.getB()).setAutoCreated(autoCreated)); return server.getAddressInfo(art.getA()); } @Override public AddressInfo createAddress(final SimpleString address, RoutingType routingType, final boolean autoCreated) throws Exception { Pair<SimpleString, RoutingType> art = getAddressAndRoutingType(address, routingType); securityCheck(art.getA(), CheckType.CREATE_ADDRESS, this); server.addOrUpdateAddressInfo(new AddressInfo(art.getA(), art.getB()).setAutoCreated(autoCreated)); return server.getAddressInfo(art.getA()); } @Override public void createSharedQueue(SimpleString address, final SimpleString name, final RoutingType routingType, boolean durable, final SimpleString filterString) throws Exception { address = removePrefix(address); securityCheck(address, CheckType.CREATE_NON_DURABLE_QUEUE, this); server.checkQueueCreationLimit(getUsername()); server.createSharedQueue(address, routingType, name, filterString, SimpleString.toSimpleString(getUsername()), durable); } @Override public void createSharedQueue(final SimpleString address, final SimpleString name, boolean durable, final SimpleString filterString) throws Exception { createSharedQueue(address, name, null, durable, filterString); } @Override public RemotingConnection getRemotingConnection() { return remotingConnection; } public static class TempQueueCleanerUpper implements CloseListener, FailureListener { private final SimpleString bindingName; private final ActiveMQServer server; private TempQueueObserver observer; public TempQueueCleanerUpper(final ActiveMQServer server, final SimpleString bindingName) { this.server = server; this.bindingName = bindingName; } public void setObserver(TempQueueObserver observer) { this.observer = observer; } private void run() { try { if (logger.isDebugEnabled()) { logger.debug("deleting temporary queue " + bindingName); } try { server.destroyQueue(bindingName, null, false); if (observer != null) { observer.tempQueueDeleted(bindingName); } } catch (ActiveMQException e) { // that's fine.. it can happen due to queue already been deleted logger.debug(e.getMessage(), e); } } catch (Exception e) { ActiveMQServerLogger.LOGGER.errorRemovingTempQueue(e, bindingName); } } @Override public void connectionFailed(ActiveMQException exception, boolean failedOver) { run(); } @Override public void connectionFailed(final ActiveMQException me, boolean failedOver, String scaleDownTargetNodeID) { connectionFailed(me, failedOver); } @Override public void connectionClosed() { run(); } @Override public String toString() { return "Temporary Cleaner for queue " + bindingName; } } @Override public void deleteQueue(final SimpleString queueToDelete) throws Exception { final SimpleString unPrefixedQueueName = removePrefix(queueToDelete); Binding binding = postOffice.getBinding(unPrefixedQueueName); if (binding == null || binding.getType() != BindingType.LOCAL_QUEUE) { throw new ActiveMQNonExistentQueueException(); } server.destroyQueue(unPrefixedQueueName, this, true); TempQueueCleanerUpper cleaner = this.tempQueueCleannerUppers.remove(unPrefixedQueueName); if (cleaner != null) { remotingConnection.removeCloseListener(cleaner); remotingConnection.removeFailureListener(cleaner); } } @Override public QueueQueryResult executeQueueQuery(final SimpleString name) throws Exception { return server.queueQuery(removePrefix(name)); } @Override public AddressQueryResult executeAddressQuery(SimpleString name) throws Exception { return server.addressQuery(removePrefix(name)); } @Override public BindingQueryResult executeBindingQuery(final SimpleString address) throws Exception { return server.bindingQuery(removePrefix(address)); } @Override public void forceConsumerDelivery(final long consumerID, final long sequence) throws Exception { ServerConsumer consumer = locateConsumer(consumerID); // this would be possible if the server consumer was closed by pings/pongs.. etc if (consumer != null) { consumer.forceDelivery(sequence); } } @Override public void acknowledge(final long consumerID, final long messageID) throws Exception { ServerConsumer consumer = findConsumer(consumerID); if (tx != null && tx.getState() == State.ROLLEDBACK) { // JBPAPP-8845 - if we let stuff to be acked on a rolled back TX, we will just // have these messages to be stuck on the limbo until the server is restarted // The tx has already timed out, so we need to ack and rollback immediately Transaction newTX = newTransaction(); try { consumer.acknowledge(newTX, messageID); } catch (Exception e) { // just ignored // will log it just in case logger.debug("Ignored exception while acking messageID " + messageID + " on a rolledback TX", e); } newTX.rollback(); } else { consumer.acknowledge(autoCommitAcks ? null : tx, messageID); } } @Override public ServerConsumer locateConsumer(long consumerID) { return consumers.get(consumerID); } private ServerConsumer findConsumer(long consumerID) throws Exception { ServerConsumer consumer = locateConsumer(consumerID); if (consumer == null) { Transaction currentTX = tx; ActiveMQIllegalStateException exception = ActiveMQMessageBundle.BUNDLE.consumerDoesntExist(consumerID); if (currentTX != null) { currentTX.markAsRollbackOnly(exception); } throw exception; } return consumer; } @Override public void individualAcknowledge(final long consumerID, final long messageID) throws Exception { ServerConsumer consumer = findConsumer(consumerID); if (tx != null && tx.getState() == State.ROLLEDBACK) { // JBPAPP-8845 - if we let stuff to be acked on a rolled back TX, we will just // have these messages to be stuck on the limbo until the server is restarted // The tx has already timed out, so we need to ack and rollback immediately Transaction newTX = newTransaction(); consumer.individualAcknowledge(tx, messageID); newTX.rollback(); } else { consumer.individualAcknowledge(autoCommitAcks ? null : tx, messageID); } } @Override public void individualCancel(final long consumerID, final long messageID, boolean failed) throws Exception { ServerConsumer consumer = locateConsumer(consumerID); if (consumer != null) { consumer.individualCancel(messageID, failed); } } @Override public void expire(final long consumerID, final long messageID) throws Exception { MessageReference ref = locateConsumer(consumerID).removeReferenceByID(messageID); if (ref != null) { ref.getQueue().expire(ref); } } @Override public synchronized void commit() throws Exception { if (logger.isTraceEnabled()) { logger.trace("Calling commit"); } try { if (tx != null) { tx.commit(); } } finally { if (xa) { tx = null; } else { tx = newTransaction(); } } } @Override public void rollback(final boolean considerLastMessageAsDelivered) throws Exception { rollback(false, considerLastMessageAsDelivered); } /** * @param clientFailed If the client has failed, we can't decrease the delivery-counts, and the close may issue a rollback * @param considerLastMessageAsDelivered * @throws Exception */ private synchronized void rollback(final boolean clientFailed, final boolean considerLastMessageAsDelivered) throws Exception { if (tx == null) { // Might be null if XA tx = newTransaction(); } doRollback(clientFailed, considerLastMessageAsDelivered, tx); if (xa) { tx = null; } else { tx = newTransaction(); } } /** * @return */ @Override public Transaction newTransaction() { return new TransactionImpl(null, storageManager, timeoutSeconds); } /** * @param xid * @return */ private Transaction newTransaction(final Xid xid) { return new TransactionImpl(xid, storageManager, timeoutSeconds); } @Override public synchronized void xaCommit(final Xid xid, final boolean onePhase) throws Exception { if (tx != null && tx.getXid().equals(xid)) { final String msg = "Cannot commit, session is currently doing work in transaction " + tx.getXid(); throw new ActiveMQXAException(XAException.XAER_PROTO, msg); } else { Transaction theTx = resourceManager.removeTransaction(xid); if (logger.isTraceEnabled()) { logger.trace("XAcommit into " + theTx + ", xid=" + xid); } if (theTx == null) { // checked heuristic committed transactions if (resourceManager.getHeuristicCommittedTransactions().contains(xid)) { throw new ActiveMQXAException(XAException.XA_HEURCOM, "transaction has been heuristically committed: " + xid); } else if (resourceManager.getHeuristicRolledbackTransactions().contains(xid)) { // checked heuristic rolled back transactions throw new ActiveMQXAException(XAException.XA_HEURRB, "transaction has been heuristically rolled back: " + xid); } else { if (logger.isTraceEnabled()) { logger.trace("XAcommit into " + theTx + ", xid=" + xid + " cannot find it"); } throw new ActiveMQXAException(XAException.XAER_NOTA, "Cannot find xid in resource manager: " + xid); } } else { if (theTx.getState() == Transaction.State.SUSPENDED) { // Put it back resourceManager.putTransaction(xid, theTx); throw new ActiveMQXAException(XAException.XAER_PROTO, "Cannot commit transaction, it is suspended " + xid); } else { theTx.commit(onePhase); } } } } @Override public synchronized void xaEnd(final Xid xid) throws Exception { if (tx != null && tx.getXid().equals(xid)) { if (tx.getState() == Transaction.State.SUSPENDED) { final String msg = "Cannot end, transaction is suspended"; throw new ActiveMQXAException(XAException.XAER_PROTO, msg); } else if (tx.getState() == Transaction.State.ROLLEDBACK) { final String msg = "Cannot end, transaction is rolled back"; final boolean timeout = tx.hasTimedOut(); tx = null; if (timeout) { throw new ActiveMQXAException(XAException.XA_RBTIMEOUT, msg); } else { throw new ActiveMQXAException(XAException.XAER_PROTO, msg); } } else { tx = null; } } else { // It's also legal for the TM to call end for a Xid in the suspended // state // See JTA 1.1 spec 3.4.4 - state diagram // Although in practice TMs rarely do this. Transaction theTx = resourceManager.getTransaction(xid); if (theTx == null) { final String msg = "Cannot find suspended transaction to end " + xid; throw new ActiveMQXAException(XAException.XAER_NOTA, msg); } else { if (theTx.getState() != Transaction.State.SUSPENDED) { final String msg = "Transaction is not suspended " + xid; throw new ActiveMQXAException(XAException.XAER_PROTO, msg); } else { theTx.resume(); } } } } @Override public synchronized void xaForget(final Xid xid) throws Exception { long id = resourceManager.removeHeuristicCompletion(xid); if (id != -1) { try { storageManager.deleteHeuristicCompletion(id); } catch (Exception e) { ActiveMQServerLogger.LOGGER.warn(e.getMessage(), e); throw new ActiveMQXAException(XAException.XAER_RMFAIL); } } else { throw new ActiveMQXAException(XAException.XAER_NOTA); } } @Override public synchronized void xaJoin(final Xid xid) throws Exception { Transaction theTx = resourceManager.getTransaction(xid); if (theTx == null) { final String msg = "Cannot find xid in resource manager: " + xid; throw new ActiveMQXAException(XAException.XAER_NOTA, msg); } else { if (theTx.getState() == Transaction.State.SUSPENDED) { throw new ActiveMQXAException(XAException.XAER_PROTO, "Cannot join tx, it is suspended " + xid); } else { tx = theTx; } } } @Override public synchronized void xaResume(final Xid xid) throws Exception { if (tx != null) { final String msg = "Cannot resume, session is currently doing work in a transaction " + tx.getXid(); throw new ActiveMQXAException(XAException.XAER_PROTO, msg); } else { Transaction theTx = resourceManager.getTransaction(xid); if (theTx == null) { final String msg = "Cannot find xid in resource manager: " + xid; throw new ActiveMQXAException(XAException.XAER_NOTA, msg); } else { if (theTx.getState() != Transaction.State.SUSPENDED) { throw new ActiveMQXAException(XAException.XAER_PROTO, "Cannot resume transaction, it is not suspended " + xid); } else { tx = theTx; tx.resume(); } } } } @Override public synchronized void xaRollback(final Xid xid) throws Exception { if (tx != null && tx.getXid().equals(xid)) { final String msg = "Cannot roll back, session is currently doing work in a transaction " + tx.getXid(); throw new ActiveMQXAException(XAException.XAER_PROTO, msg); } else { Transaction theTx = resourceManager.removeTransaction(xid); if (logger.isTraceEnabled()) { logger.trace("xarollback into " + theTx); } if (theTx == null) { // checked heuristic committed transactions if (resourceManager.getHeuristicCommittedTransactions().contains(xid)) { throw new ActiveMQXAException(XAException.XA_HEURCOM, "transaction has ben heuristically committed: " + xid); } else if (resourceManager.getHeuristicRolledbackTransactions().contains(xid)) { // checked heuristic rolled back transactions throw new ActiveMQXAException(XAException.XA_HEURRB, "transaction has ben heuristically rolled back: " + xid); } else { if (logger.isTraceEnabled()) { logger.trace("xarollback into " + theTx + ", xid=" + xid + " forcing a rollback regular"); } try { // jbpapp-8845 // This could have happened because the TX timed out, // at this point we would be better on rolling back this session as a way to prevent consumers from holding their messages this.rollback(false); } catch (Exception e) { ActiveMQServerLogger.LOGGER.warn(e.getMessage(), e); } throw new ActiveMQXAException(XAException.XAER_NOTA, "Cannot find xid in resource manager: " + xid); } } else { if (theTx.getState() == Transaction.State.SUSPENDED) { if (logger.isTraceEnabled()) { logger.trace("xarollback into " + theTx + " sending tx back as it was suspended"); } // Put it back resourceManager.putTransaction(xid, tx); throw new ActiveMQXAException(XAException.XAER_PROTO, "Cannot rollback transaction, it is suspended " + xid); } else { doRollback(false, false, theTx); } } } } @Override public synchronized void xaStart(final Xid xid) throws Exception { if (tx != null) { ActiveMQServerLogger.LOGGER.xidReplacedOnXStart(tx.getXid().toString(), xid.toString()); try { if (tx.getState() != Transaction.State.PREPARED) { // we don't want to rollback anything prepared here if (tx.getXid() != null) { resourceManager.removeTransaction(tx.getXid()); } tx.rollback(); } } catch (Exception e) { logger.debug("An exception happened while we tried to debug the previous tx, we can ignore this exception", e); } } tx = newTransaction(xid); if (logger.isTraceEnabled()) { logger.trace("xastart into tx= " + tx); } boolean added = resourceManager.putTransaction(xid, tx); if (!added) { final String msg = "Cannot start, there is already a xid " + tx.getXid(); throw new ActiveMQXAException(XAException.XAER_DUPID, msg); } } @Override public synchronized void xaFailed(final Xid xid) throws Exception { Transaction theTX = resourceManager.getTransaction(xid); if (theTX == null) { theTX = newTransaction(xid); resourceManager.putTransaction(xid, theTX); } if (theTX.isEffective()) { logger.debug("Client failed with Xid " + xid + " but the server already had it " + theTX.getState()); tx = null; } else { theTX.markAsRollbackOnly(new ActiveMQException("Can't commit as a Failover happened during the operation")); tx = theTX; } if (logger.isTraceEnabled()) { logger.trace("xastart into tx= " + tx); } } @Override public synchronized void xaSuspend() throws Exception { if (logger.isTraceEnabled()) { logger.trace("xasuspend on " + this.tx); } if (tx == null) { final String msg = "Cannot suspend, session is not doing work in a transaction "; throw new ActiveMQXAException(XAException.XAER_PROTO, msg); } else { if (tx.getState() == Transaction.State.SUSPENDED) { final String msg = "Cannot suspend, transaction is already suspended " + tx.getXid(); throw new ActiveMQXAException(XAException.XAER_PROTO, msg); } else { tx.suspend(); tx = null; } } } @Override public synchronized void xaPrepare(final Xid xid) throws Exception { if (tx != null && tx.getXid().equals(xid)) { final String msg = "Cannot commit, session is currently doing work in a transaction " + tx.getXid(); throw new ActiveMQXAException(XAException.XAER_PROTO, msg); } else { Transaction theTx = resourceManager.getTransaction(xid); if (logger.isTraceEnabled()) { logger.trace("xaprepare into " + ", xid=" + xid + ", tx= " + tx); } if (theTx == null) { final String msg = "Cannot find xid in resource manager: " + xid; throw new ActiveMQXAException(XAException.XAER_NOTA, msg); } else { if (theTx.getState() == Transaction.State.SUSPENDED) { throw new ActiveMQXAException(XAException.XAER_PROTO, "Cannot prepare transaction, it is suspended " + xid); } else if (theTx.getState() == Transaction.State.PREPARED) { ActiveMQServerLogger.LOGGER.info("ignoring prepare on xid as already called :" + xid); } else { theTx.prepare(); } } } } @Override public List<Xid> xaGetInDoubtXids() { return resourceManager.getInDoubtTransactions(); } @Override public int xaGetTimeout() { return resourceManager.getTimeoutSeconds(); } @Override public void xaSetTimeout(final int timeout) { timeoutSeconds = timeout; if (tx != null) { tx.setTimeout(timeout); } } @Override public void start() { setStarted(true); } @Override public void stop() { setStarted(false); } @Override public void waitContextCompletion() { try { if (!context.waitCompletion(10000)) { ActiveMQServerLogger.LOGGER.errorCompletingContext(new Exception("warning")); } } catch (Exception e) { ActiveMQServerLogger.LOGGER.warn(e.getMessage(), e); } } @Override public void close(final boolean failed) { if (closed) return; context.executeOnCompletion(new IOCallback() { @Override public void onError(int errorCode, String errorMessage) { } @Override public void done() { try { doClose(failed); } catch (Exception e) { ActiveMQServerLogger.LOGGER.errorClosingSession(e); } } }); } @Override public void closeConsumer(final long consumerID) throws Exception { final ServerConsumer consumer = locateConsumer(consumerID); if (consumer != null) { consumer.close(false); } else { ActiveMQServerLogger.LOGGER.cannotFindConsumer(consumerID); } } @Override public void receiveConsumerCredits(final long consumerID, final int credits) throws Exception { ServerConsumer consumer = locateConsumer(consumerID); if (consumer == null) { logger.debug("There is no consumer with id " + consumerID); return; } consumer.receiveCredits(credits); } @Override public Transaction getCurrentTransaction() { return tx; } @Override public RoutingStatus send(final Message message, final boolean direct) throws Exception { return send(message, direct, false); } @Override public RoutingStatus send(final Message message, final boolean direct, boolean noAutoCreateQueue) throws Exception { return send(getCurrentTransaction(), message, direct, noAutoCreateQueue); } @Override public synchronized RoutingStatus send(Transaction tx, final Message message, final boolean direct, boolean noAutoCreateQueue) throws Exception { server.callBrokerPlugins(server.hasBrokerPlugins() ? plugin -> plugin.beforeSend(tx, message, direct, noAutoCreateQueue) : null); // If the protocol doesn't support flow control, we have no choice other than fail the communication if (!this.getRemotingConnection().isSupportsFlowControl() && pagingManager.isDiskFull()) { ActiveMQIOErrorException exception = ActiveMQMessageBundle.BUNDLE.diskBeyondLimit(); this.getRemotingConnection().fail(exception); throw exception; } RoutingStatus result = RoutingStatus.OK; //large message may come from StompSession directly, in which //case the id header already generated. if (!message.isLargeMessage()) { long id = storageManager.generateID(); // This will re-encode the message message.setMessageID(id); } if (server.getConfiguration().isPopulateValidatedUser() && validatedUser != null) { message.setValidatedUserID(validatedUser); } SimpleString address = message.getAddressSimpleString(); if (defaultAddress == null && address != null) { defaultAddress = address; } if (address == null) { // We don't want to force a re-encode when the message gets sent to the consumer message.setAddress(defaultAddress); } if (logger.isTraceEnabled()) { logger.trace("send(message=" + message + ", direct=" + direct + ") being called"); } if (message.getAddress() == null) { // This could happen with some tests that are ignoring messages throw ActiveMQMessageBundle.BUNDLE.noAddress(); } if (message.getAddressSimpleString().equals(managementAddress)) { // It's a management message result = handleManagementMessage(tx, message, direct); } else { result = doSend(tx, message, address, direct, noAutoCreateQueue); } final RoutingStatus finalResult = result; server.callBrokerPlugins(server.hasBrokerPlugins() ? plugin -> plugin.afterSend(tx, message, direct, noAutoCreateQueue, finalResult) : null); return result; } @Override public void requestProducerCredits(SimpleString address, final int credits) throws Exception { final SimpleString addr = removePrefix(address); PagingStore store = server.getPagingManager().getPageStore(addr); if (!store.checkMemory(new Runnable() { @Override public void run() { callback.sendProducerCreditsMessage(credits, address); } })) { callback.sendProducerCreditsFailMessage(credits, address); } } @Override public void setTransferring(final boolean transferring) { Set<ServerConsumer> consumersClone = new HashSet<>(consumers.values()); for (ServerConsumer consumer : consumersClone) { consumer.setTransferring(transferring); } } @Override public void addMetaData(String key, String data) { server.callBrokerPlugins(server.hasBrokerPlugins() ? plugin -> plugin.beforeSessionMetadataAdded(this, key, data) : null); if (metaData == null) { metaData = new HashMap<>(); } metaData.put(key, data); server.callBrokerPlugins(server.hasBrokerPlugins() ? plugin -> plugin.afterSessionMetadataAdded(this, key, data) : null); } @Override public boolean addUniqueMetaData(String key, String data) { ServerSession sessionWithMetaData = server.lookupSession(key, data); if (sessionWithMetaData != null && sessionWithMetaData != this) { // There is a duplication of this property return false; } else { addMetaData(key, data); return true; } } @Override public String getMetaData(String key) { String data = null; if (metaData != null) { data = metaData.get(key); } if (key.equals(ClientSession.JMS_SESSION_CLIENT_ID_PROPERTY)) { // we know it's a JMS Session, we now install JMS Hooks of any kind installJMSHooks(); } return data; } @Override public String[] getTargetAddresses() { Map<SimpleString, Pair<Object, AtomicLong>> copy = cloneTargetAddresses(); Iterator<SimpleString> iter = copy.keySet().iterator(); int num = copy.keySet().size(); String[] addresses = new String[num]; int i = 0; while (iter.hasNext()) { addresses[i] = iter.next().toString(); i++; } return addresses; } @Override public String getLastSentMessageID(String address) { Pair<Object, AtomicLong> value = targetAddressInfos.get(SimpleString.toSimpleString(address)); if (value != null) { return value.getA().toString(); } else { return null; } } @Override public long getCreationTime() { return this.creationTime; } public StorageManager getStorageManager() { return this.storageManager; } @Override public void describeProducersInfo(JsonArrayBuilder array) throws Exception { Map<SimpleString, Pair<Object, AtomicLong>> targetCopy = cloneTargetAddresses(); for (Map.Entry<SimpleString, Pair<Object, AtomicLong>> entry : targetCopy.entrySet()) { String uuid = null; if (entry.getValue().getA() != null) { uuid = entry.getValue().getA().toString(); } JsonObjectBuilder producerInfo = JsonLoader.createObjectBuilder().add("connectionID", this.getConnectionID().toString()).add("sessionID", this.getName()).add("destination", entry.getKey().toString()).add("lastUUIDSent", nullSafe(uuid)).add("msgSent", entry.getValue().getB().longValue()); array.add(producerInfo); } } @Override public String getValidatedUser() { return validatedUser; } @Override public SimpleString getMatchingQueue(SimpleString address, RoutingType routingType) throws Exception { return server.getPostOffice().getMatchingQueue(address, routingType); } @Override public SimpleString getMatchingQueue(SimpleString address, SimpleString queueName, RoutingType routingType) throws Exception { return server.getPostOffice().getMatchingQueue(address, queueName, routingType); } @Override public AddressInfo getAddress(SimpleString address) { return server.getPostOffice().getAddressInfo(removePrefix(address)); } @Override public String toString() { StringBuffer buffer = new StringBuffer(); if (this.metaData != null) { for (Map.Entry<String, String> value : metaData.entrySet()) { if (buffer.length() != 0) { buffer.append(","); } Object tmpValue = value.getValue(); if (tmpValue == null || tmpValue.toString().isEmpty()) { buffer.append(value.getKey() + "=*N/A*"); } else { buffer.append(value.getKey() + "=" + tmpValue); } } } // This will actually appear on some management operations // so please don't clog this with debug objects // unless you provide a special way for management to translate sessions return "ServerSessionImpl(" + buffer.toString() + ")"; } // FailureListener implementation // -------------------------------------------------------------------- @Override public void connectionFailed(final ActiveMQException me, boolean failedOver) { try { ActiveMQServerLogger.LOGGER.clientConnectionFailed(name); close(true); ActiveMQServerLogger.LOGGER.clientConnectionFailedClearingSession(name); } catch (Throwable t) { ActiveMQServerLogger.LOGGER.errorClosingConnection(this); } } @Override public void connectionFailed(final ActiveMQException me, boolean failedOver, String scaleDownTargetNodeID) { connectionFailed(me, failedOver); } private void installJMSHooks() { } private Map<SimpleString, Pair<Object, AtomicLong>> cloneTargetAddresses() { return new HashMap<>(targetAddressInfos); } private void setStarted(final boolean s) { Set<ServerConsumer> consumersClone = new HashSet<>(consumers.values()); for (ServerConsumer consumer : consumersClone) { consumer.setStarted(s); } started = s; } private RoutingStatus handleManagementMessage(final Transaction tx, final Message message, final boolean direct) throws Exception { try { securityCheck(removePrefix(message.getAddressSimpleString()), CheckType.MANAGE, this); } catch (ActiveMQException e) { if (!autoCommitSends) { tx.markAsRollbackOnly(e); } throw e; } Message reply = managementService.handleMessage(message); SimpleString replyTo = message.getReplyTo(); if (replyTo != null) { // TODO: move this check somewhere else? this is a JMS-specific bit of logic in the core impl if (replyTo.toString().startsWith("queue://") || replyTo.toString().startsWith("topic://")) { replyTo = SimpleString.toSimpleString(replyTo.toString().substring(8)); } else if (replyTo.toString().startsWith("temp-queue://") || replyTo.toString().startsWith("temp-topic://")) { replyTo = SimpleString.toSimpleString(replyTo.toString().substring(13)); } reply.setAddress(replyTo); doSend(tx, reply, null, direct, false); } return RoutingStatus.OK; } private void doRollback(final boolean clientFailed, final boolean lastMessageAsDelived, final Transaction theTx) throws Exception { boolean wasStarted = started; List<MessageReference> toCancel = new ArrayList<>(); for (ServerConsumer consumer : consumers.values()) { if (wasStarted) { consumer.setStarted(false); } toCancel.addAll(consumer.cancelRefs(clientFailed, lastMessageAsDelived, theTx)); } //we need to check this before we cancel the refs and add them to the tx, any delivering refs will have been delivered //after the last tx was rolled back so we should handle them separately. if not they //will end up added to the tx but never ever handled even tho they were removed from the consumers delivering refs. //we add them to a new tx and roll them back as the calling client will assume that this has happened. if (theTx.getState() == State.ROLLEDBACK) { Transaction newTX = newTransaction(); cancelAndRollback(clientFailed, newTX, wasStarted, toCancel); } else { cancelAndRollback(clientFailed, theTx, wasStarted, toCancel); } } private void cancelAndRollback(boolean clientFailed, Transaction theTx, boolean wasStarted, List<MessageReference> toCancel) throws Exception { for (MessageReference ref : toCancel) { ref.getQueue().cancel(theTx, ref); } //if we failed don't restart as an attempt to deliver messages may be made before we actually close the consumer if (wasStarted && !clientFailed) { theTx.addOperation(new TransactionOperationAbstract() { @Override public void afterRollback(Transaction tx) { for (ServerConsumer consumer : consumers.values()) { consumer.setStarted(true); } } }); } theTx.rollback(); } @Override public synchronized RoutingStatus doSend(final Transaction tx, final Message msg, final SimpleString originalAddress, final boolean direct, final boolean noAutoCreateQueue) throws Exception { RoutingStatus result = RoutingStatus.OK; RoutingType routingType = msg.getRoutingType(); /* TODO-now: How to address here with AMQP? if (originalAddress != null) { if (originalAddress.toString().startsWith("anycast:")) { routingType = RoutingType.ANYCAST; } else if (originalAddress.toString().startsWith("multicast:")) { routingType = RoutingType.MULTICAST; } } */ Pair<SimpleString, RoutingType> art = getAddressAndRoutingType(msg.getAddressSimpleString(), routingType); // Consumer // check the user has write access to this address. try { securityCheck(art.getA(), CheckType.SEND, this); } catch (ActiveMQException e) { if (!autoCommitSends && tx != null) { tx.markAsRollbackOnly(e); } throw e; } if (tx == null || autoCommitSends) { } else { routingContext.setTransaction(tx); } try { routingContext.setAddress(art.getA()); routingContext.setRoutingType(art.getB()); result = postOffice.route(msg, routingContext, direct); Pair<Object, AtomicLong> value = targetAddressInfos.get(msg.getAddressSimpleString()); if (value == null) { targetAddressInfos.put(msg.getAddressSimpleString(), new Pair<>(msg.getUserID(), new AtomicLong(1))); } else { value.setA(msg.getUserID()); value.getB().incrementAndGet(); } } finally { routingContext.clear(); } return result; } @Override public List<MessageReference> getInTXMessagesForConsumer(long consumerId) { if (this.tx != null) { RefsOperation oper = (RefsOperation) tx.getProperty(TransactionPropertyIndexes.REFS_OPERATION); if (oper == null) { return Collections.emptyList(); } else { return oper.getListOnConsumer(consumerId); } } else { return Collections.emptyList(); } } @Override public SimpleString removePrefix(SimpleString address) { if (prefixEnabled && address != null) { return PrefixUtil.getAddress(address, prefixes); } return address; } @Override public Pair<SimpleString, RoutingType> getAddressAndRoutingType(SimpleString address, RoutingType defaultRoutingType) { if (prefixEnabled) { return PrefixUtil.getAddressAndRoutingType(address, defaultRoutingType, prefixes); } return new Pair<>(address, defaultRoutingType); } @Override public Pair<SimpleString, Set<RoutingType>> getAddressAndRoutingTypes(SimpleString address, Set<RoutingType> defaultRoutingTypes) { if (prefixEnabled) { return PrefixUtil.getAddressAndRoutingTypes(address, defaultRoutingTypes, prefixes); } return new Pair<>(address, defaultRoutingTypes); } }