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Destination.java
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Destination.java
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/*
* Copyright (c) 2000, 2020 Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2020 Payara Services Ltd.
* Copyright (c) 2021, 2022 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.messaging.jmq.jmsserver.core;
import com.sun.messaging.jmq.jmsserver.DMQ;
import com.sun.messaging.jmq.util.DestType;
import com.sun.messaging.jmq.util.selector.*;
import com.sun.messaging.jmq.util.DestState;
import com.sun.messaging.jmq.util.DestMetricsCounters;
import com.sun.messaging.jmq.util.DestLimitBehavior;
import com.sun.messaging.jmq.util.ClusterDeliveryPolicy;
import com.sun.messaging.jmq.util.DestScope;
import com.sun.messaging.jmq.util.timer.*;
import com.sun.messaging.jmq.io.Packet;
import com.sun.messaging.jmq.io.SysMessageID;
import com.sun.messaging.jmq.jmsserver.Globals;
import com.sun.messaging.jmq.jmsserver.FaultInjection;
import com.sun.messaging.jmq.jmsserver.plugin.spi.ProducerSpi;
import com.sun.messaging.jmq.jmsserver.plugin.spi.DestinationSpi;
import com.sun.messaging.jmq.jmsserver.BrokerStateHandler;
import com.sun.messaging.jmq.jmsserver.service.ConnectionUID;
import com.sun.messaging.jmq.jmsserver.service.Connection;
import com.sun.messaging.jmq.jmsserver.service.imq.IMQConnection;
import com.sun.messaging.jmq.jmsserver.util.BrokerException;
import com.sun.messaging.jmq.jmsserver.util.ConsumerAlreadyAddedException;
import com.sun.messaging.jmq.jmsserver.util.lists.AddReason;
import com.sun.messaging.jmq.jmsserver.util.lists.RemoveReason;
import com.sun.messaging.jmq.jmsserver.util.DestinationNotFoundException;
import com.sun.messaging.jmq.jmsserver.data.TransactionUID;
import com.sun.messaging.jmq.jmsserver.data.handlers.RefCompare;
import com.sun.messaging.jmq.jmsserver.data.TransactionList;
import com.sun.messaging.jmq.jmsserver.data.TransactionState;
import com.sun.messaging.jmq.jmsserver.persist.api.Store;
import com.sun.messaging.jmq.jmsserver.persist.api.DiskFileStore;
import com.sun.messaging.jmq.jmsserver.persist.api.PartitionedStore;
import com.sun.messaging.jmq.jmsserver.persist.api.ChangeRecordInfo;
import com.sun.messaging.jmq.jmsserver.cluster.api.ClusterBroadcast;
import com.sun.messaging.jmq.jmsserver.cluster.api.ha.HAMonitorService;
import com.sun.messaging.jmq.util.log.Logger;
import com.sun.messaging.jmq.util.SizeString;
import com.sun.messaging.jmq.util.admin.DestinationInfo;
import com.sun.messaging.jmq.io.Status;
import com.sun.messaging.jmq.jmsserver.resources.BrokerResources;
import com.sun.messaging.jmq.jmsserver.memory.MemoryManager;
import com.sun.messaging.jmq.jmsserver.management.agent.Agent;
import com.sun.messaging.jmq.util.lists.*;
import java.util.*;
import java.io.*;
/**
* This class represents a destination (topic or queue name)
*/
public abstract class Destination implements DestinationSpi, Serializable, com.sun.messaging.jmq.util.lists.EventListener {
static final long serialVersionUID = 4399175316523022128L;
protected static boolean DEBUG = false;
protected static final boolean DEBUG_CLUSTER = DestinationList.DEBUG_CLUSTER;
private static final FaultInjection FI = FaultInjection.getInjection();
protected String INITIALIZEBY = "";
protected transient boolean destvalid = true;
protected transient boolean startedDestroy = false;
protected transient Logger logger = Globals.getLogger();
protected transient BrokerResources br = Globals.getBrokerResources();
protected transient BrokerMonitor bm = null;
protected transient boolean stored = false;
protected transient boolean neverStore = false;
protected transient SimpleNFLHashMap<SysMessageID, PacketReference> destMessages = null;
private transient HashMap destMessagesInRemoving = null;
private transient Object _removeMessageLock = null;
private boolean dest_inited = false;
private transient int refCount = 0;
/**
* metrics counters
*/
protected int expiredCnt = 0;
protected int purgedCnt = 0;
protected int ackedCnt = 0;
protected int discardedCnt = 0;
protected int overflowCnt = 0;
protected int errorCnt = 0;
protected int rollbackCnt = 0;
transient Object sizeLock = new Object();
/**
* size of a destination when it is unloaded
*/
transient int size = 0;
transient int remoteSize = 0;
/**
* bytes of a destination when it is unloaded
*/
transient long bytes = 0;
transient long remoteBytes = 0;
transient boolean loaded = false;
protected transient SimpleNFLHashMap consumers = new SimpleNFLHashMap();
protected transient SimpleNFLHashMap producers = new SimpleNFLHashMap();
transient DestReaperTask destReaper = null;
protected DestinationUID uid = null;
protected int type = -1;
protected transient int state = DestState.UNKNOWN;
protected int scope = DestScope.CLUSTER;
protected int limit = DestLimitBehavior.REJECT_NEWEST;
protected ConnectionUID id = null; // only for temp destinations
protected SizeString msgSizeLimit = null;
protected int countLimit = 0;
protected SizeString memoryLimit = null;
protected int maxConsumerLimit = DestinationList.UNLIMITED;
protected int maxProducerLimit = DestinationList.DEFAULT_MAX_PRODUCERS;
protected int maxPrefetch = DestinationList.DEFAULT_PREFETCH;
protected transient int producerMsgBatchSize = DestinationList.MAX_PRODUCER_BATCH;
protected transient long producerMsgBatchBytes = -1;
private long clientReconnectInterval = 0;
private transient ReconnectReaperTask reconnectReaper = null;
private transient ProducerFlow producerFlow = new ProducerFlow();
boolean useDMQ = true;
boolean isDMQ = false;
boolean validateXMLSchemaEnabled = false;
String XMLSchemaUriList = null;
boolean reloadXMLSchemaOnFailure = false;
private transient boolean clusterNotifyFlag = false;
private transient Map<Integer, ChangeRecordInfo> currentChangeRecordInfo = Collections.synchronizedMap(new HashMap<Integer, ChangeRecordInfo>());
private transient DestinationList DL = null;
protected transient PartitionedStore pstore = null;
private transient String logsuffix = "";
private transient Object queueRemoteLock = new Object();
private transient Object queueRemoteLockThread = null;
public static final int UNLIMITED = -1;
public static final String TEMP_CNT = "JMQ_SUN_JMSQ_TempRedeliverCnt";
public static final int DEFAULT_RECONNECT_MULTIPLIER = 5;
public static final int RECONNECT_MULTIPLIER = getRECONNECT_MULTIPLIER();
private static final int LOAD_COUNT = Globals.getConfig().getIntProperty(Globals.IMQ + ".destination.verbose.cnt", 10000);
private static final boolean EXPIRE_DELIVERED_MSG = Globals.getConfig().getBooleanProperty(Globals.IMQ + ".destination.expireDeliveredMessages", false);
private static final boolean PURGE_DELIVERED_MSG = Globals.getConfig().getBooleanProperty(Globals.IMQ + ".destination.purgeDeliveredMessages", false);
public static final boolean PERSIST_SYNC = DestinationList.PERSIST_SYNC;
protected static final int NONE = 0;
private static MQTimer timer = Globals.getTimer();
private static boolean getDEBUG() {
return (DEBUG || DestinationList.DEBUG);
}
private static int getRECONNECT_MULTIPLIER() {
int v = Globals.getConfig().getIntProperty(Globals.IMQ + ".reconnect.interval", DEFAULT_RECONNECT_MULTIPLIER);
if (v < 1) {
v = DEFAULT_RECONNECT_MULTIPLIER;
}
return v;
}
public ChangeRecordInfo getCurrentChangeRecordInfo(int type) {
return currentChangeRecordInfo.get(Integer.valueOf(type));
}
public void setCurrentChangeRecordInfo(int type, ChangeRecordInfo cri) {
currentChangeRecordInfo.put(Integer.valueOf(type), cri);
}
public PacketReference peekNext() {
return null;
}
public void setDestinationList(DestinationList dl) {
this.DL = dl;
this.pstore = dl.getPartitionedStore();
if (DL.isPartitionMode()) {
logsuffix = " [" + pstore + "]";
}
}
public PartitionedStore getPartitionedStore() {
return pstore;
}
public void setUseDMQ(boolean use) throws BrokerException {
if (use && isDMQ) {
throw new BrokerException(br.getKString(BrokerResources.X_DMQ_USE_DMQ_INVALID));
}
Boolean oldVal = Boolean.valueOf(this.useDMQ);
this.useDMQ = use;
notifyAttrUpdated(DestinationInfo.USE_DMQ, oldVal, Boolean.valueOf(this.useDMQ));
}
public boolean getUseDMQ() {
return useDMQ;
}
// used only as a space holder when deleting corrupted destinations
protected Destination(DestinationUID uid) {
this.uid = uid;
}
/**
* this method is called when a message has been completely acked and is dead
*/
public boolean removeDeadMessage(PacketReference ref) throws IOException, BrokerException {
return removeDeadMessage(ref, ref.getDeadComment(), ref.getDeadException(), ref.getDeadDeliverCnt(), ref.getDeadReason(), ref.getDeadBroker());
}
public boolean removeDeadMessage(PacketReference ref, String comment, Throwable exception, int deliverCnt, Reason r, String broker)
throws IOException, BrokerException {
if (getDEBUG()) {
logger.log(Logger.DEBUG, "Calling removeDeadMessage on " + ref + " [" + comment + "," + exception + "," + deliverCnt + "," + r + "]");
}
if (ref.isInvalid()) {
logger.log(Logger.DEBUG, "Internal Error: message is already dead");
return false;
}
Destination d = ref.getDestination();
if (d == DL.getDMQ()) {
throw new RuntimeException("Already dead");
}
Hashtable m = new Hashtable();
if (comment != null) {
m.put(DMQ.UNDELIVERED_COMMENT, comment);
}
if (deliverCnt != -1) {
m.put(TEMP_CNT, Integer.valueOf(deliverCnt));
}
if (exception != null) {
m.put(DMQ.UNDELIVERED_EXCEPTION, exception);
}
if (broker != null) {
m.put(DMQ.DEAD_BROKER, broker);
} else {
m.put(DMQ.DEAD_BROKER, Globals.getMyAddress().toString());
}
// remove the old message
if (r == null) {
r = RemoveReason.ERROR;
}
RemoveMessageReturnInfo ret = _removeMessage(ref.getSysMessageID(), r, m, null, !ref.isExpired());
return ret.removed;
}
public int seqCnt = 0;
/**
* place the message in the DMQ.
* <P>
* called from Destination and Consumer.
*/
private void markDead(PacketReference pr, Reason reason, Hashtable props) throws BrokerException {
Packet p = pr.getPacket();
if (p == null) {
logger.log(Logger.DEBUG, "Internal Error: null packet for DMQ");
return;
}
Hashtable packetProps = null;
try {
packetProps = p.getProperties();
if (packetProps == null) {
packetProps = new Hashtable();
}
} catch (Exception ex) {
logger.logStack(Logger.DEBUG, "could not get props ", ex);
packetProps = new Hashtable();
}
boolean useVerbose = false;
Object o = packetProps.get(DMQ.VERBOSE);
if (o != null) {
if (o instanceof Boolean) {
useVerbose = ((Boolean) o).booleanValue();
} else if (o instanceof String) {
useVerbose = Boolean.parseBoolean((String) o);
} else {
logger.log(Logger.WARNING, BrokerResources.E_INTERNAL_BROKER_ERROR, "Unknown type for verbose " + o.getClass());
useVerbose = DL.getVerbose();
}
} else {
useVerbose = DL.getVerbose();
}
if (isDMQ) {
if (getDEBUG() || useVerbose) {
logger.log(Logger.INFO, BrokerResources.I_DMQ_REMOVING_DMQ_MSG, pr.getSysMessageID(),
DestinationUID.getUID(p.getDestination(), p.getIsQueue()).toString());
}
return;
}
// OK deal with various flags
boolean useDMQforMsg = false;
o = packetProps.get(DMQ.PRESERVE_UNDELIVERED);
if (o != null) {
if (o instanceof Boolean) {
useDMQforMsg = ((Boolean) o).booleanValue();
} else if (o instanceof String) {
useDMQforMsg = Boolean.parseBoolean((String) o);
} else {
logger.log(Logger.WARNING, BrokerResources.E_INTERNAL_BROKER_ERROR, "Unknown type for preserve undelivered " + o.getClass());
useDMQforMsg = useDMQ;
}
} else {
useDMQforMsg = useDMQ;
}
long receivedTime = pr.getTime();
long senderTime = pr.getTimestamp();
long expiredTime = pr.getExpireTime();
if (!useDMQforMsg) {
if (getDEBUG() || useVerbose) {
String args[] = { pr.getSysMessageID().toString(), pr.getDestinationUID().toString(),
lookupReasonString(reason, receivedTime, expiredTime, senderTime) };
logger.log(Logger.INFO, BrokerResources.I_DMQ_REMOVING_MSG, args);
}
if (!pr.isLocal()) {
boolean waitack = !pr.isNoAckRemoteConsumers();
Globals.getClusterBroadcast().acknowledgeMessage(pr.getBrokerAddress(), pr.getSysMessageID(), pr.getQueueUID(), ClusterBroadcast.MSG_DEAD,
props, waitack);
}
return;
}
boolean truncateBody = false;
o = packetProps.get(DMQ.TRUNCATE_BODY);
if (o != null) {
if (o instanceof Boolean) {
truncateBody = ((Boolean) o).booleanValue();
} else if (o instanceof String) {
truncateBody = Boolean.parseBoolean((String) o);
} else {
logger.log(Logger.WARNING, BrokerResources.E_INTERNAL_BROKER_ERROR, "Unknown type for preserve undelivered " + o.getClass());
truncateBody = !DL.getStoreBodyInDMQ();
}
} else {
truncateBody = !DL.getStoreBodyInDMQ();
}
if (props == null) {
props = new Hashtable();
}
Integer cnt = (Integer) props.remove(TEMP_CNT);
if (cnt != null) {
// set as a header property
props.put(DMQ.DELIVERY_COUNT, cnt);
}
if (pr.isLocal()) {
props.putAll(packetProps);
} else {
// reason for the other side
props.put("REASON", Integer.valueOf(reason.intValue()));
}
if (props.get(DMQ.UNDELIVERED_COMMENT) == null) {
props.put(DMQ.UNDELIVERED_COMMENT, lookupReasonString(reason, receivedTime, expiredTime, senderTime));
}
props.put(DMQ.UNDELIVERED_TIMESTAMP, Long.valueOf(System.currentTimeMillis()));
props.put(DMQ.BODY_TRUNCATED, Boolean.valueOf(truncateBody));
if (reason == RemoveReason.EXPIRED || reason == RemoveReason.EXPIRED_BY_CLIENT || reason == RemoveReason.EXPIRED_ON_DELIVERY) {
props.put(DMQ.UNDELIVERED_REASON, DMQ.REASON_EXPIRED);
} else if (reason == RemoveReason.REMOVED_LOW_PRIORITY) {
props.put(DMQ.UNDELIVERED_REASON, DMQ.REASON_LOW_PRIORITY);
} else if (reason == RemoveReason.REMOVED_OLDEST) {
props.put(DMQ.UNDELIVERED_REASON, DMQ.REASON_OLDEST);
} else if (reason == RemoveReason.UNDELIVERABLE) {
props.put(DMQ.UNDELIVERED_REASON, DMQ.REASON_UNDELIVERABLE);
} else {
props.put(DMQ.UNDELIVERED_REASON, DMQ.REASON_ERROR);
}
if (pr.getBrokerAddress() != null) {
props.put(DMQ.BROKER, pr.getBrokerAddress().toString());
} else {
props.put(DMQ.BROKER, Globals.getMyAddress().toString());
}
String deadbkr = (String) packetProps.get(DMQ.DEAD_BROKER);
if (deadbkr != null) {
props.put(DMQ.DEAD_BROKER, deadbkr);
} else {
props.put(DMQ.DEAD_BROKER, Globals.getMyAddress().toString());
}
if (!pr.isLocal()) {
boolean waitack = !pr.isNoAckRemoteConsumers();
Globals.getClusterBroadcast().acknowledgeMessage(pr.getBrokerAddress(), pr.getSysMessageID(), pr.getQueueUID(), ClusterBroadcast.MSG_DEAD, props,
waitack);
return; // done
}
// OK ... now create the packet
Packet newp = new Packet();
// first make sure we have the room to put it on the
// queue ... if we dont, an exception will be thrown
// from queue Message
PacketReference ref = null;
try {
newp.generateSequenceNumber(false);
newp.generateTimestamp(false);
newp.fill(p);
newp.setProperties(props);
if (truncateBody) {
newp.setMessageBody(new byte[0]);
}
Queue dmq = DL.getDMQ();
ref = PacketReference.createReference(pstore, newp, dmq.getDestinationUID(), null);
ref.overrideExpireTime(0);
ref.clearExpireInfo();
ref.clearDeliveryTimeInfo();
ref.setTimestamp(System.currentTimeMillis());
synchronized (dmq) {
ref.setSequence(dmq.seqCnt++);
}
DL.routeMoveAndForwardMessage(pr, ref, dmq);
} catch (Exception ex) {
// depending on the type, we either ignore or throw out
if (reason == RemoveReason.UNDELIVERABLE || reason == RemoveReason.ERROR) {
if (ex instanceof BrokerException) {
throw (BrokerException) ex;
}
throw new BrokerException(br.getKString(BrokerResources.X_DMQ_MOVE_INVALID), ex);
}
if (getDEBUG() || useVerbose) {
logger.logStack(Logger.WARNING, BrokerResources.W_DMQ_ADD_FAILURE, pr.getSysMessageID().toString(), ex);
}
}
if ((getDEBUG() || useVerbose) && useDMQforMsg) {
String args[] = { pr.getSysMessageID().toString(), pr.getDestinationUID().toString(),
lookupReasonString(reason, receivedTime, expiredTime, senderTime) };
logger.log(Logger.INFO, BrokerResources.I_DMQ_MOVING_TO_DMQ, args);
}
ref.unload();
}
/**
* replaces the body of the message, adds the addProps (if not null) and returns a new SysMessageID
*
*/
protected PacketReference _replaceMessage(SysMessageID old, Hashtable addProps, byte[] data) throws BrokerException, IOException {
PacketReference ref = DL.get(old, true);
if (ref == null) {
throw new BrokerException(br.getKString(br.I_MESSAGE_NOT_FOUND, old, getDestinationUID()), Status.NOT_FOUND);
}
if (!ref.checkDeliveryAndSetInReplacing()) {
if (ref.isInvalid() || ref.isDestroyed() || ref.isExpired() || ref.isAcknowledged() || ref.inRemoval) {
throw new BrokerException(br.getKString(br.I_MESSAGE_REMOVED_OR_REMOVING, old, getDestinationUID()), Status.CONFLICT);
}
if (ref.inReplacing) {
throw new BrokerException(br.getKString(br.I_MESSAGE_BEING_REPLACED, old, getDestinationUID()), Status.CONFLICT);
}
throw new BrokerException(br.getKString(br.I_MESSAGE_IN_DELIVERY_TO_CONSUMER, old, getDestinationUID()), Status.CONFLICT);
}
try {
long oldbsize = ref.byteSize();
ArrayList subs = new ArrayList();
Consumer c = null;
Iterator itr = getConsumers();
while (itr.hasNext()) {
c = (Consumer) itr.next();
if (c instanceof Subscription) {
if (c.unrouteMessage(ref)) {
subs.add(c);
}
}
}
SysMessageID newid = ref.replacePacket(addProps, data);
destMessages.remove(old);
DL.removePacketList(old, ref.getDestinationUID(), ref);
PacketListDMPair dmp = DL.packetlistAdd(newid, ref.getDestinationUID(), ref);
destMessages.put(newid, ref);
dmp.nullRef();
DL.adjustTotalBytes(ref.byteSize() - oldbsize);
Subscription sub = null;
itr = subs.iterator();
while (itr.hasNext()) {
sub = (Subscription) itr.next();
sub.routeMessage(ref, false);
}
} finally {
ref.clearInReplacing();
}
return ref;
}
public SysMessageID replaceMessage(SysMessageID old, Hashtable addProps, byte[] data) throws BrokerException, IOException {
return _replaceMessage(old, addProps, data).getSysMessageID();
}
public String replaceMessageString(SysMessageID old, Hashtable addProps, byte[] data) throws BrokerException, IOException {
return _replaceMessage(old, addProps, data).getSysMessageIDString();
}
public abstract Set routeAndMoveMessage(PacketReference oldRef, PacketReference newRef) throws IOException, BrokerException;
public void setReconnectInterval(long val) {
clientReconnectInterval = val * RECONNECT_MULTIPLIER;
}
public void clientReconnect() {
synchronized (this) {
if (reconnectReaper != null) {
reconnectReaper.cancel();
reconnectReaper = null;
}
}
}
private void updateProducerBatch(boolean notifyProducers) {
int oldsize = producerMsgBatchSize;
long oldbytes = producerMsgBatchBytes;
notifyProducers = notifyProducers && limit == DestLimitBehavior.FLOW_CONTROL;
if (limit == DestLimitBehavior.FLOW_CONTROL) {
producerMsgBatchSize = DL.calcProducerBatchCnt(destMessages.capacity(), maxProducerLimit);
producerMsgBatchBytes = DL.calcProducerBatchBytes(destMessages.byteCapacity(), maxProducerLimit);
} else {
producerMsgBatchSize = DestinationList.MAX_PRODUCER_BATCH;
producerMsgBatchBytes = -1;
}
if (notifyProducers && (oldsize != producerMsgBatchSize || oldbytes != producerMsgBatchBytes)) {
producerFlow.updateAllProducers(DEST_UPDATE, "update batch");
}
}
class RemoveBehaviorListener implements com.sun.messaging.jmq.util.lists.EventListener {
Set orderedSet = null;
Reason r = null;
RemoveBehaviorListener(Set orderedSet, Reason r) {
this.orderedSet = orderedSet;
this.r = r;
}
@Override
public void eventOccured(EventType type, Reason reason, Object target, Object orig_value, Object cur_value, Object userdata) {
assert type == EventType.SET_CHANGED_REQUEST;
boolean full = destMessages.isFull();
if (full && cur_value != null) {
long tbytes = ((Sized) cur_value).byteSize();
while (true) {
Iterator itr = null;
synchronized (orderedSet) {
itr = new LinkedHashSet(orderedSet).iterator();
}
if (!itr.hasNext()) {
break;
}
Object n = itr.next();
if (n == null) {
continue;
}
try {
Destination.this.removeMessage(((PacketReference) n).getSysMessageID(), r);
} catch (Exception ex) {
logger.logStack(Logger.WARNING, ex.getMessage(), ex);
itr.remove();
continue;
}
if ((destMessages.capacity() == -1 || destMessages.freeSpace() > 0)
&& (destMessages.byteCapacity() == -1 || destMessages.freeBytes() > tbytes)) {
break;
}
}
}
}
}
class FlowListener implements com.sun.messaging.jmq.util.lists.EventListener {
@Override
public void eventOccured(EventType type, Reason reason, Object target, Object orig_value, Object cur_value, Object userdata) {
if (reason instanceof RemoveReason) {
return;
}
assert type == EventType.FULL;
if (reason != AddReason.LOADED) {
assert cur_value instanceof Boolean;
boolean shouldStop = destMessages.isFull();
if (shouldStop) {
logger.log(Logger.DEBUG, "Destination " + Destination.this + " is full, " + " all producers should be stopped");
// for misbehaving producers, we may want to
// force a stop
producerFlow.updateAllProducers(DEST_PAUSE, "Destination Full");
} else {
logger.log(Logger.DEBUG, "Destination " + Destination.this + " is not full, " + " some producers should be stopped");
producerFlow.checkResumeFlow(null, true);
}
}
}
}
transient Object behaviorListener = null;
protected boolean sendClusterUpdate() {
return !isInternal() && !isAdmin();
}
protected void handleLimitBehavior(int limit) {
if (limit == DestLimitBehavior.FLOW_CONTROL) {
destMessages.enforceLimits(false);
FlowListener rl = new FlowListener();
if (behaviorListener != null) {
destMessages.removeEventListener(behaviorListener);
behaviorListener = null;
}
behaviorListener = destMessages.addEventListener(rl, EventType.FULL, null);
producerFlow.updateAllProducers(DEST_BEHAVIOR_CHANGE, "behavior change");
} else if (limit == DestLimitBehavior.REMOVE_OLDEST) {
Set<PacketReference> s = destMessages.subSet(new OldestComparator());
RemoveBehaviorListener rl = new RemoveBehaviorListener(s, RemoveReason.REMOVED_OLDEST);
if (behaviorListener != null) {
destMessages.removeEventListener(behaviorListener);
behaviorListener = null;
}
behaviorListener = destMessages.addEventListener(rl, EventType.SET_CHANGED_REQUEST, null);
destMessages.enforceLimits(false);
} else if (limit == DestLimitBehavior.REJECT_NEWEST) {
destMessages.enforceLimits(true);
if (behaviorListener != null) {
destMessages.removeEventListener(behaviorListener);
behaviorListener = null;
}
} else if (limit == DestLimitBehavior.REMOVE_LOW_PRIORITY) {
destMessages.enforceLimits(false);
Set<PacketReference> s = destMessages.subSet(new LowPriorityComparator());
RemoveBehaviorListener rl = new RemoveBehaviorListener(s, RemoveReason.REMOVED_LOW_PRIORITY);
if (behaviorListener != null) {
destMessages.removeEventListener(behaviorListener);
behaviorListener = null;
}
behaviorListener = destMessages.addEventListener(rl, EventType.SET_CHANGED_REQUEST, null);
}
}
class DestReaperTask extends TimerTask {
DestinationUID uid = null;
private boolean canceled = false;
Logger logger = Globals.getLogger();
DestReaperTask(DestinationUID uid) {
this.uid = uid;
}
@Override
public synchronized boolean cancel() {
canceled = true;
return super.cancel();
}
@Override
public void run() {
synchronized (this) {
if (!canceled) {
canceled = true;
} else {
return;
}
}
try {
Destination d = DL.getDestination(uid);
if (d == null) {
return;
}
// Re-verify that the destination can be removed
synchronized (d) {
if (!d.shouldDestroy()) {
return;
}
}
synchronized (DL.destinationList) {
if (d.getRefCount() > 0) {
return;
}
int level = (DestType.isAdmin(d.getType()) ? Logger.DEBUG : Logger.INFO);
logger.log(level, BrokerResources.I_AUTO_DESTROY, uid.getLocalizedName(), String.valueOf(DL.AUTOCREATE_EXPIRE / 1000));
d.destvalid = false;
DL.removeDestination(uid, false, Globals.getBrokerResources().getString(BrokerResources.M_AUTO_REAPED));
}
} catch (Exception ex) {
logger.logStack(Logger.WARNING, BrokerResources.X_REMOVE_DESTINATION_FAILED, uid.getLocalizedName(), ex);
}
}
}
class ReconnectReaperTask extends TimerTask {
DestinationUID uid = null;
private boolean canceled = false;
private long time = 0;
ReconnectReaperTask(DestinationUID uid, long time) {
this.uid = uid;
this.time = time;
}
@Override
public synchronized boolean cancel() {
canceled = true;
return super.cancel();
}
@Override
public void run() {
synchronized (this) {
if (canceled) {
return;
}
}
Globals.getLogger().log(Logger.DEBUG, "Destroying temp destination " + uid + " inactive for " + (time / 1000) + " seconds");
try {
DL.removeDestination(uid, false, Globals.getBrokerResources().getString(BrokerResources.M_RECONNECT_TIMEOUT));
} catch (Exception ex) {
if (BrokerStateHandler.isShuttingDown()) {
Globals.getLogger().log(Logger.INFO, BrokerResources.X_REMOVE_DESTINATION_FAILED, uid.getLocalizedName(), ex);
} else {
Globals.getLogger().logStack(Logger.WARNING, BrokerResources.X_REMOVE_DESTINATION_FAILED, uid.getLocalizedName(), ex);
}
}
}
}
transient MsgExpirationReaper expireReaper = new MsgExpirationReaper();
class MsgExpirationReaper {
SortedSet messages = null;
TimerTask mytimer = null;
MsgExpirationReaper() {
messages = new TreeSet(ExpirationInfo.getComparator());
}
public synchronized void addExpiringMessage(ExpirationInfo ei) {
messages.add(ei);
if (mytimer == null) {
addTimer();
}
}
public synchronized void removeMessage(ExpirationInfo ei) {
boolean rem = messages.remove(ei);
// assert rem;
if (rem && messages.isEmpty()) {
removeTimer();
}
}
public synchronized void destroy() {
if (mytimer != null) {
removeTimer();
}
messages.clear();
}
void addTimer() {
assert Thread.holdsLock(this);
assert mytimer == null;
mytimer = new MyExpireTimerTask();
try {
timer.schedule(mytimer, DL.MESSAGE_EXPIRE, DL.MESSAGE_EXPIRE);
} catch (IllegalStateException ex) {
logger.log(Logger.INFO, BrokerResources.E_INTERNAL_BROKER_ERROR, "Canceling message expiration on " + this, ex);
}
}
void removeTimer() {
assert Thread.holdsLock(this);
try {
if (mytimer != null) {
mytimer.cancel();
}
} catch (IllegalStateException ex) {
logger.logStack(Logger.DEBUG, "timer canceled ", ex);
}
mytimer = null;
}
class MyExpireTimerTask extends TimerTask {
@Override
public void run() {
long currentTime = System.currentTimeMillis();
int removedCount = 0;
int indeliveryCount = 0;
LinkedHashSet removed = new LinkedHashSet();
DestinationUID duid = Destination.this.uid;
synchronized (MsgExpirationReaper.this) {
Iterator itr = messages.iterator();
while (itr.hasNext()) {
ExpirationInfo ei = (ExpirationInfo) itr.next();
if (ei.getExpireTime() > currentTime) {
if (FI.FAULT_INJECTION) {
if (FI.checkFault(FI.FAULT_MSG_EXPIRE_REAPER_EXPIRE1, null)) {
FI.unsetFault(FI.FAULT_MSG_EXPIRE_REAPER_EXPIRE1);
removed.add(ei);
continue;
}
}
break;
}
removed.add(ei);
}
}
// we dont want to do this inside the loop because
// removeExpiredMessage can generate a callback which
// can generate a deadlock .. bummer
Iterator itr = removed.iterator();
while (itr.hasNext()) {
ExpirationInfo ei = (ExpirationInfo) itr.next();
try {
ei.incrementReapCount();
RemoveMessageReturnInfo ret = removeExpiredMessage(duid, ei.id);
if (ret.removed) {
removeMessage(ei);
removedCount++;
} else if (ret.indelivery) {
indeliveryCount++;
} else if (ei.getReapCount() > 1) {
removeMessage(ei);
removedCount++;
}
} catch (Exception ex) {
logger.logStack(Logger.WARNING, ex.getMessage(), ex);
}
}
if (removedCount > 0) {
logger.log(Logger.INFO, BrokerResources.I_REMOVE_DSTEXP_MSGS, String.valueOf(removedCount), duid.getLocalizedName());
}
if (indeliveryCount > 0) {
logger.log(Logger.INFO, BrokerResources.I_NUM_MSGS_INDELIVERY_NOT_EXPIRED_FROM_DEST, String.valueOf(indeliveryCount),
duid.getLocalizedName());
}
removed.clear();
}
}
}
class DestFilter implements Filter {
@Override
public boolean matches(Object o) {
return uid.equals(((PacketReference) o).getDestinationUID());
}
}
protected transient Filter filter = new DestFilter();
protected transient DestMetricsCounters dmc = new DestMetricsCounters();
protected transient MessageDeliveryTimeTimer deliveryTimeTimer = null;
protected synchronized void initialize() {
try {
if (stored) {
synchronized (sizeLock) {
int oldsize = size;
long oldbytes = bytes;
HashMap data = pstore.getMessageStorageInfo(this);
size = ((Integer) data.get(DestMetricsCounters.CURRENT_MESSAGES)).intValue();
bytes = ((Long) data.get(DestMetricsCounters.CURRENT_MESSAGE_BYTES)).longValue();
size += remoteSize;
bytes += remoteBytes;
int sizediff = size - oldsize;
long bytediff = bytes - oldbytes;
if (!isAdmin() && (getIsDMQ() || !isInternal())) {
DL.adjustTotals(sizediff, bytediff);
}
}
}
} catch (Exception ex) {
logger.logStack(Logger.WARNING, br.getKString(br.E_GET_MSG_METRICS_FROM_STORE_FAIL, this), ex);
}
dest_inited = true;
}
protected boolean isDestInited() {
return dest_inited;
}
// used during upgrade
public void initializeOldDestination() {
overridePersistence(true);
stored = true;
dest_inited = false;
loaded = false;
}
public boolean getIsDMQ() {
return isDMQ;
}
/**
* handles transient data when class is deserialized
*/
private void readObject(java.io.ObjectInputStream ois) throws IOException, ClassNotFoundException {
ois.defaultReadObject();
logger = Globals.getLogger();
br = Globals.getBrokerResources();
DL = Globals.getDestinationList();
currentChangeRecordInfo = Collections.synchronizedMap(new HashMap<Integer, ChangeRecordInfo>());
producerFlow = new ProducerFlow();
isDMQ = DestType.isDMQ(type);
if (!isDMQ) {
expireReaper = new MsgExpirationReaper();
}
dest_inited = false;
loaded = false;
destvalid = true;
sizeLock = new Object();
size = 0;
remoteSize = 0;
bytes = 0L;
remoteBytes = 0L;
destMessages = new SimpleNFLHashMap<>();
destMessagesInRemoving = new HashMap();
_removeMessageLock = new Object();