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This closes #3526

This commit is contained in:
Clebert Suconic 2021-04-05 10:01:00 -04:00
parent 7e6c9ebdf9 08ec7c67c8
commit 7868959b52
5 changed files with 660 additions and 465 deletions
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397
artemis-server/src/main/java/org/apache/activemq/artemis/core/postoffice/impl/BindingsImpl.java
View File

@ -25,12 +25,11 @@ import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.CopyOnWriteArraySet;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.activemq.artemis.api.core.Message;
import org.apache.activemq.artemis.api.core.Pair;
import org.apache.activemq.artemis.api.core.SimpleString;
import org.apache.activemq.artemis.core.filter.Filter;
import org.apache.activemq.artemis.core.postoffice.Binding;
@ -54,9 +53,7 @@ public final class BindingsImpl implements Bindings {
// This is public as we use on test assertions
public static final int MAX_GROUP_RETRY = 10;
private final ConcurrentMap<SimpleString, List<Binding>> routingNameBindingMap = new ConcurrentHashMap<>();
private final Map<SimpleString, Integer> routingNamePositions = new ConcurrentHashMap<>();
private final CopyOnWriteBindings routingNameBindingMap = new CopyOnWriteBindings();
private final Map<Long, Binding> bindingsIdMap = new ConcurrentHashMap<>();
@ -113,6 +110,8 @@ public final class BindingsImpl implements Bindings {
}
}
@Override
public void addBinding(final Binding binding) {
try {
@ -122,23 +121,7 @@ public final class BindingsImpl implements Bindings {
if (binding.isExclusive()) {
exclusiveBindings.add(binding);
} else {
SimpleString routingName = binding.getRoutingName();
List<Binding> bindings = routingNameBindingMap.get(routingName);
if (bindings == null) {
bindings = new CopyOnWriteArrayList<>();
List<Binding> oldBindings = routingNameBindingMap.putIfAbsent(routingName, bindings);
if (oldBindings != null) {
bindings = oldBindings;
}
}
if (!bindings.contains(binding)) {
bindings.add(binding);
}
routingNameBindingMap.addBindingIfAbsent(binding);
}
bindingsIdMap.put(binding.getID(), binding);
@ -174,17 +157,7 @@ public final class BindingsImpl implements Bindings {
if (binding.isExclusive()) {
exclusiveBindings.remove(binding);
} else {
SimpleString routingName = binding.getRoutingName();
List<Binding> bindings = routingNameBindingMap.get(routingName);
if (bindings != null) {
bindings.remove(binding);
if (bindings.isEmpty()) {
routingNameBindingMap.remove(routingName);
}
}
routingNameBindingMap.removeBinding(binding);
}
bindingsIdMap.remove(binding.getID());
@ -208,78 +181,56 @@ public final class BindingsImpl implements Bindings {
public boolean redistribute(final Message message,
final Queue originatingQueue,
final RoutingContext context) throws Exception {
if (messageLoadBalancingType.equals(MessageLoadBalancingType.STRICT) || messageLoadBalancingType.equals(MessageLoadBalancingType.OFF)) {
final MessageLoadBalancingType loadBalancingType = this.messageLoadBalancingType;
if (loadBalancingType.equals(MessageLoadBalancingType.STRICT) || loadBalancingType.equals(MessageLoadBalancingType.OFF)) {
return false;
}
if (logger.isTraceEnabled()) {
logger.trace("Redistributing message " + message);
logger.tracef("Redistributing message %s", message);
}
SimpleString routingName = originatingQueue.getName();
final SimpleString routingName = originatingQueue.getName();
List<Binding> bindings = routingNameBindingMap.get(routingName);
final Pair<Binding[], CopyOnWriteBindings.BindingIndex> bindingsAndPosition = routingNameBindingMap.getBindings(routingName);
if (bindings == null) {
if (bindingsAndPosition == null) {
// The value can become null if it's concurrently removed while we're iterating - this is expected
// ConcurrentHashMap behaviour!
return false;
}
Integer ipos = routingNamePositions.get(routingName);
final Binding[] bindings = bindingsAndPosition.getA();
int pos = ipos != null ? ipos.intValue() : 0;
final CopyOnWriteBindings.BindingIndex bindingIndex = bindingsAndPosition.getB();
int length = bindings.size();
assert bindings.length > 0;
int startPos = pos;
final int bindingsCount = bindings.length;
Binding theBinding = null;
int nextPosition = bindingIndex.getIndex();
// TODO - combine this with similar logic in route()
while (true) {
Binding binding;
try {
binding = bindings.get(pos);
} catch (IndexOutOfBoundsException e) {
// This can occur if binding is removed while in route
if (!bindings.isEmpty()) {
pos = 0;
startPos = 0;
length = bindings.size();
continue;
} else {
break;
}
if (nextPosition >= bindingsCount) {
nextPosition = 0;
}
pos = incrementPos(pos, length);
Filter filter = binding.getFilter();
boolean highPrior = binding.isHighAcceptPriority(message);
Binding nextBinding = null;
for (int i = 0; i < bindingsCount; i++) {
final Binding binding = bindings[nextPosition];
nextPosition = moveNextPosition(nextPosition, bindingsCount);
final Filter filter = binding.getFilter();
final boolean highPrior = binding.isHighAcceptPriority(message);
if (highPrior && binding.getBindable() != originatingQueue && (filter == null || filter.match(message))) {
theBinding = binding;
break;
}
if (pos == startPos) {
nextBinding = binding;
break;
}
}
routingNamePositions.put(routingName, pos);
if (theBinding != null) {
theBinding.route(message, context);
return true;
} else {
if (nextBinding == null) {
return false;
}
bindingIndex.setIndex(nextPosition);
nextBinding.route(message, context);
return true;
}
@Override
@ -290,8 +241,8 @@ public final class BindingsImpl implements Bindings {
private void route(final Message message,
final RoutingContext context,
final boolean groupRouting) throws Exception {
int currentVersion = version.get();
boolean reusableContext = context.isReusable(message, currentVersion);
final int currentVersion = version.get();
final boolean reusableContext = context.isReusable(message, currentVersion);
if (!reusableContext) {
context.clear();
@ -300,9 +251,64 @@ public final class BindingsImpl implements Bindings {
/* This is a special treatment for scaled-down messages involving SnF queues.
* See org.apache.activemq.artemis.core.server.impl.ScaleDownHandler.scaleDownMessages() for the logic that sends messages with this property
*/
byte[] ids = message.removeExtraBytesProperty(Message.HDR_SCALEDOWN_TO_IDS);
final byte[] ids = message.removeExtraBytesProperty(Message.HDR_SCALEDOWN_TO_IDS);
if (ids != null) {
handleScaledDownMessage(message, ids);
}
final boolean routed;
// despite the double check can lead to some race, this can save allocating an iterator for an empty set
if (!exclusiveBindings.isEmpty()) {
routed = routeToExclusiveBindings(message, context);
} else {
routed = false;
}
if (!routed) {
// Remove the ids now, in order to avoid double check
final byte[] routeToIds = message.removeExtraBytesProperty(Message.HDR_ROUTE_TO_IDS);
SimpleString groupId;
if (routeToIds != null) {
context.clear().setReusable(false);
routeFromCluster(message, context, routeToIds);
} else if (groupRouting && groupingHandler != null && (groupId = message.getGroupID()) != null) {
context.clear().setReusable(false);
routeUsingStrictOrdering(message, context, groupingHandler, groupId, 0);
} else if (CompositeAddress.isFullyQualified(message.getAddress())) {
context.clear().setReusable(false);
final Binding theBinding = bindingsNameMap.get(CompositeAddress.extractQueueName(message.getAddressSimpleString()));
if (theBinding != null) {
theBinding.route(message, context);
}
} else {
// in a optimization, we are reusing the previous context if everything is right for it
// so the simpleRouting will only happen if needed
if (!reusableContext) {
simpleRouting(message, context, currentVersion);
}
}
}
}
private boolean routeToExclusiveBindings(final Message message, final RoutingContext context) throws Exception {
boolean hasExclusives = false;
boolean routed = false;
for (Binding binding : exclusiveBindings) {
if (!hasExclusives) {
context.clear().setReusable(false);
hasExclusives = true;
}
final Filter filter = binding.getFilter();
if (filter == null || filter.match(message)) {
binding.getBindable().route(message, context);
routed = true;
}
}
return routed;
}
private void handleScaledDownMessage(final Message message, final byte[] ids) {
ByteBuffer buffer = ByteBuffer.wrap(ids);
while (buffer.hasRemaining()) {
long id = buffer.getLong();
@ -317,79 +323,26 @@ public final class BindingsImpl implements Bindings {
}
}
boolean routed = false;
boolean hasExclusives = false;
for (Binding binding : exclusiveBindings) {
if (!hasExclusives) {
context.clear().setReusable(false);
hasExclusives = true;
}
if (binding.getFilter() == null || binding.getFilter().match(message)) {
binding.getBindable().route(message, context);
routed = true;
}
}
if (!routed) {
// Remove the ids now, in order to avoid double check
ids = message.removeExtraBytesProperty(Message.HDR_ROUTE_TO_IDS);
// Fetch the groupId now, in order to avoid double checking
SimpleString groupId = message.getGroupID();
if (ids != null) {
context.clear().setReusable(false);
routeFromCluster(message, context, ids);
} else if (groupingHandler != null && groupRouting && groupId != null) {
context.clear().setReusable(false);
routeUsingStrictOrdering(message, context, groupingHandler, groupId, 0);
} else if (CompositeAddress.isFullyQualified(message.getAddress())) {
context.clear().setReusable(false);
Binding theBinding = bindingsNameMap.get(CompositeAddress.extractQueueName(message.getAddressSimpleString()));
if (theBinding != null) {
theBinding.route(message, context);
}
} else {
// in a optimization, we are reusing the previous context if everything is right for it
// so the simpleRouting will only happen if needed
if (!reusableContext) {
simpleRouting(message, context, currentVersion);
}
}
}
}
private void simpleRouting(Message message, RoutingContext context, int currentVersion) throws Exception {
private void simpleRouting(final Message message,
final RoutingContext context,
final int currentVersion) throws Exception {
if (logger.isTraceEnabled()) {
logger.trace("Routing message " + message + " on binding=" + this + " current context::" + context);
logger.tracef("Routing message %s on binding=%s current context::$s", message, this, context);
}
for (Map.Entry<SimpleString, List<Binding>> entry : routingNameBindingMap.entrySet()) {
SimpleString routingName = entry.getKey();
List<Binding> bindings = entry.getValue();
if (bindings == null) {
// The value can become null if it's concurrently removed while we're iterating - this is expected
// ConcurrentHashMap behaviour!
continue;
}
Binding theBinding = getNextBinding(message, routingName, bindings);
if (theBinding != null && theBinding.getFilter() == null && bindings.size() == 1 && theBinding.isLocal()) {
routingNameBindingMap.forEach((routingName, bindings, nextPosition) -> {
final Binding nextBinding = getNextBinding(message, bindings, nextPosition);
if (nextBinding != null && nextBinding.getFilter() == null && nextBinding.isLocal() && bindings.length == 1) {
context.setReusable(true, currentVersion);
} else {
// notice that once this is set to false, any calls to setReusable(true) will be moot as the context will ignore it
context.setReusable(false, currentVersion);
}
if (theBinding != null) {
theBinding.route(message, context);
}
if (nextBinding != null) {
nextBinding.route(message, context);
}
});
}
@Override
@ -406,99 +359,65 @@ public final class BindingsImpl implements Bindings {
* (depending if you are using multi-thread), and not lose messages.
*/
private Binding getNextBinding(final Message message,
final SimpleString routingName,
final List<Binding> bindings) {
Integer ipos = routingNamePositions.get(routingName);
final Binding[] bindings,
final CopyOnWriteBindings.BindingIndex bindingIndex) {
int nextPosition = bindingIndex.getIndex();
int pos = ipos != null ? ipos : 0;
final int bindingsCount = bindings.length;
int length = bindings.size();
int startPos = pos;
Binding theBinding = null;
if (nextPosition >= bindingsCount) {
nextPosition = 0;
}
Binding nextBinding = null;
int lastLowPriorityBinding = -1;
// snapshot this, to save loading it on each iteration
final MessageLoadBalancingType loadBalancingType = this.messageLoadBalancingType;
while (true) {
Binding binding;
try {
binding = bindings.get(pos);
} catch (IndexOutOfBoundsException e) {
// This can occur if binding is removed while in route
if (!bindings.isEmpty()) {
pos = 0;
startPos = 0;
length = bindings.size();
continue;
} else {
break;
}
}
if (matchBinding(message, binding)) {
for (int i = 0; i < bindingsCount; i++) {
final Binding binding = bindings[nextPosition];
if (matchBinding(message, binding, loadBalancingType)) {
// bindings.length == 1 ==> only a local queue so we don't check for matching consumers (it's an
// unnecessary overhead)
if (length == 1 || (binding.isConnected() && (messageLoadBalancingType.equals(MessageLoadBalancingType.STRICT) || binding.isHighAcceptPriority(message)))) {
theBinding = binding;
pos = incrementPos(pos, length);
if (bindingsCount == 1 || (binding.isConnected() && (loadBalancingType.equals(MessageLoadBalancingType.STRICT) || binding.isHighAcceptPriority(message)))) {
nextBinding = binding;
nextPosition = moveNextPosition(nextPosition, bindingsCount);
break;
} else {
}
//https://issues.jboss.org/browse/HORNETQ-1254 When !routeWhenNoConsumers,
// the localQueue should always have the priority over the secondary bindings
if (lastLowPriorityBinding == -1 || messageLoadBalancingType.equals(MessageLoadBalancingType.ON_DEMAND) && binding instanceof LocalQueueBinding) {
lastLowPriorityBinding = pos;
if (lastLowPriorityBinding == -1 || loadBalancingType.equals(MessageLoadBalancingType.ON_DEMAND) && binding instanceof LocalQueueBinding) {
lastLowPriorityBinding = nextPosition;
}
}
nextPosition = moveNextPosition(nextPosition, bindingsCount);
}
pos = incrementPos(pos, length);
if (pos == startPos) {
if (nextBinding == null) {
// if no bindings were found, we will apply a secondary level on the routing logic
if (lastLowPriorityBinding != -1) {
try {
theBinding = bindings.get(lastLowPriorityBinding);
} catch (IndexOutOfBoundsException e) {
// This can occur if binding is removed while in route
if (!bindings.isEmpty()) {
pos = 0;
lastLowPriorityBinding = -1;
continue;
} else {
break;
nextBinding = bindings[lastLowPriorityBinding];
nextPosition = moveNextPosition(lastLowPriorityBinding, bindingsCount);
}
}
if (nextBinding != null) {
bindingIndex.setIndex(nextPosition);
}
return nextBinding;
}
pos = incrementPos(lastLowPriorityBinding, length);
}
break;
}
}
if (pos != startPos) {
routingNamePositions.put(routingName, pos);
}
return theBinding;
}
private boolean matchBinding(Message message, Binding binding) {
if (messageLoadBalancingType.equals(MessageLoadBalancingType.OFF) && binding instanceof RemoteQueueBinding) {
private static boolean matchBinding(final Message message,
final Binding binding,
final MessageLoadBalancingType loadBalancingType) {
if (loadBalancingType.equals(MessageLoadBalancingType.OFF) && binding instanceof RemoteQueueBinding) {
return false;
}
Filter filter = binding.getFilter();
final Filter filter = binding.getFilter();
if (filter == null || filter.match(message)) {
return true;
} else {
return false;
}
return false;
}
private void routeUsingStrictOrdering(final Message message,
@ -506,17 +425,7 @@ public final class BindingsImpl implements Bindings {
final GroupingHandler groupingGroupingHandler,
final SimpleString groupId,
final int tries) throws Exception {
for (Map.Entry<SimpleString, List<Binding>> entry : routingNameBindingMap.entrySet()) {
SimpleString routingName = entry.getKey();
List<Binding> bindings = entry.getValue();
if (bindings == null) {
// The value can become null if it's concurrently removed while we're iterating - this is expected
// ConcurrentHashMap behaviour!
continue;
}
routingNameBindingMap.forEach((routingName, bindings, nextPosition) -> {
// concat a full group id, this is for when a binding has multiple bindings
// NOTE: In case a dev ever change this rule, QueueImpl::unproposed is using this rule to determine if
// the binding belongs to its Queue before removing it
@ -527,9 +436,9 @@ public final class BindingsImpl implements Bindings {
if (resp == null) {
// ok let's find the next binding to propose
Binding theBinding = getNextBinding(message, routingName, bindings);
Binding theBinding = getNextBinding(message, bindings, nextPosition);
if (theBinding == null) {
continue;
return;
}
resp = groupingGroupingHandler.propose(new Proposal(fullID, theBinding.getClusterName()));
@ -554,10 +463,10 @@ public final class BindingsImpl implements Bindings {
routeAndCheckNull(message, context, resp, chosen, groupId, tries);
}
}
});
}
private Binding locateBinding(SimpleString clusterName, List<Binding> bindings) {
private static Binding locateBinding(SimpleString clusterName, Binding[] bindings) {
for (Binding binding : bindings) {
if (binding.getClusterName().equals(clusterName)) {
return binding;
@ -603,21 +512,13 @@ public final class BindingsImpl implements Bindings {
if (routingNameBindingMap.isEmpty()) {
out.println("\tEMPTY!");
}
for (Map.Entry<SimpleString, List<Binding>> entry : routingNameBindingMap.entrySet()) {
out.println("\tkey=" + entry.getKey() + ", value(s):");
for (Binding bind : entry.getValue()) {
routingNameBindingMap.forEach((routingName, bindings, nextPosition) -> {
out.println("\tkey=" + routingName + ",\tposition=" + nextPosition.getIndex() + "\tvalue(s):");
for (Binding bind : bindings) {
out.println("\t\t" + bind);
}
out.println();
}
out.println("routingNamePositions:");
if (routingNamePositions.isEmpty()) {
out.println("\tEMPTY!");
}
for (Map.Entry<SimpleString, Integer> entry : routingNamePositions.entrySet()) {
out.println("\tkey=" + entry.getKey() + ", value=" + entry.getValue());
}
});
out.println();
@ -679,17 +580,21 @@ public final class BindingsImpl implements Bindings {
}
}
private int incrementPos(int pos, final int length) {
pos++;
private static int moveNextPosition(int position, final int length) {
position++;
if (pos == length) {
pos = 0;
if (position == length) {
position = 0;
}
return pos;
return position;
}
/**
* debug method: used just for tests!!
* @return
*/
public Map<SimpleString, List<Binding>> getRoutingNameBindingMap() {
return routingNameBindingMap;
return routingNameBindingMap.copyAsMap();
}
}

270
artemis-server/src/main/java/org/apache/activemq/artemis/core/postoffice/impl/CopyOnWriteBindings.java Normal file
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@ -0,0 +1,270 @@
/*
* 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.postoffice.impl;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
import java.util.concurrent.atomic.AtomicReference;
import org.apache.activemq.artemis.api.core.Pair;
import org.apache.activemq.artemis.api.core.SimpleString;
import org.apache.activemq.artemis.core.postoffice.Binding;
/**
* This is a copy-on-write map of {@link Binding} along with the last index set.<br>
*/
final class CopyOnWriteBindings {
public interface BindingIndex {
/**
* Cannot return a negative value and returns {@code 0} if uninitialized.
*/
int getIndex();
/**
* Cannot set a negative value.
*/
void setIndex(int v);
}
private static final class BindingsAndPosition extends AtomicReference<Binding[]> implements BindingIndex {
private static final AtomicIntegerFieldUpdater<BindingsAndPosition> NEXT_POSITION_UPDATER = AtomicIntegerFieldUpdater.newUpdater(BindingsAndPosition.class, "nextPosition");
public volatile int nextPosition;
BindingsAndPosition(Binding[] bindings) {
super(bindings);
NEXT_POSITION_UPDATER.lazySet(this, 0);
}
@Override
public int getIndex() {
return nextPosition;
}
@Override
public void setIndex(int v) {
if (v < 0) {
throw new IllegalArgumentException("cannot set a negative position");
}
NEXT_POSITION_UPDATER.lazySet(this, v);
}
}
private final ConcurrentHashMap<SimpleString, BindingsAndPosition> map;
CopyOnWriteBindings() {
map = new ConcurrentHashMap<>();
}
/**
* Add the specified {@code binding}, if not present.
*/
public void addBindingIfAbsent(Binding binding) {
Objects.requireNonNull(binding);
final SimpleString routingName = binding.getRoutingName();
Objects.requireNonNull(routingName);
BindingsAndPosition bindings;
do {
bindings = map.get(routingName);
if (bindings == null || bindings.get() == TOMBSTONE_BINDINGS) {
final BindingsAndPosition newBindings = new BindingsAndPosition(new Binding[]{binding});
bindings = map.compute(routingName, (ignored, bindingsAndPosition) -> {
if (bindingsAndPosition == null || bindingsAndPosition.get() == TOMBSTONE_BINDINGS) {
return newBindings;
}
return bindingsAndPosition;
});
assert bindings != null;
if (bindings == newBindings) {
return;
}
}
}
while (!addBindingIfAbsent(bindings, binding));
}
/**
* Remove the specified {@code binding}, if present.
*/
public void removeBinding(Binding binding) {
Objects.requireNonNull(binding);
final SimpleString routingName = binding.getRoutingName();
Objects.requireNonNull(routingName);
final BindingsAndPosition bindings = map.get(routingName);
if (bindings == null) {
return;
}
final Binding[] newBindings = removeBindingIfPresent(bindings, binding);
if (newBindings == TOMBSTONE_BINDINGS) {
// GC attempt
map.computeIfPresent(routingName, (bindingsRoutingName, existingBindings) -> {
if (existingBindings.get() == TOMBSTONE_BINDINGS) {
return null;
}
return existingBindings;
});
}
}
/**
* Returns a snapshot of the bindings, if present and a "lazy" binding index, otherwise {@code null}.<br>
* There is no strong commitment on preserving the index value if the related bindings are concurrently modified
* or the index itself is concurrently modified.
*/
public Pair<Binding[], BindingIndex> getBindings(SimpleString routingName) {
Objects.requireNonNull(routingName);
BindingsAndPosition bindings = map.get(routingName);
if (bindings == null) {
return null;
}
final Binding[] bindingsSnapshot = bindings.get();
if (bindingsSnapshot == TOMBSTONE_BINDINGS) {
return null;
}
assert bindingsSnapshot != null && bindingsSnapshot.length > 0;
return new Pair<>(bindingsSnapshot, bindings);
}
@FunctionalInterface
public interface BindingsConsumer<T extends Throwable> {
/**
* {@code routingName} cannot be {@code null}.
* {@code bindings} cannot be {@code null} or empty.
* {@code nextPosition} cannot be null.
*/
void accept(SimpleString routingName, Binding[] bindings, BindingIndex nextPosition) throws T;
}
/**
* Iterates through the bindings and its related indexes.<br>
*/
public <T extends Throwable> void forEach(BindingsConsumer<T> bindingsConsumer) throws T {
Objects.requireNonNull(bindingsConsumer);
if (map.isEmpty()) {
return;
}
for (Map.Entry<SimpleString, BindingsAndPosition> entry : map.entrySet()) {
final BindingsAndPosition value = entry.getValue();
final Binding[] bindings = value.get();
if (bindings == TOMBSTONE_BINDINGS) {
continue;
}
assert bindings != null && bindings.length > 0;
bindingsConsumer.accept(entry.getKey(), bindings, value);
}
}
public boolean isEmpty() {
return map.isEmpty();
}
public Map<SimpleString, List<Binding>> copyAsMap() {
if (map.isEmpty()) {
return Collections.emptyMap();
}
final HashMap<SimpleString, List<Binding>> copy = new HashMap<>(map.size());
map.forEach((routingName, bindings) -> {
final Binding[] bindingArray = bindings.get();
if (bindingArray == TOMBSTONE_BINDINGS) {
return;
}
copy.put(routingName, Arrays.asList(bindingArray));
});
return copy;
}
private static final Binding[] TOMBSTONE_BINDINGS = new Binding[0];
private static int indexOfBinding(final Binding[] bindings, final Binding toFind) {
for (int i = 0, size = bindings.length; i < size; i++) {
final Binding binding = bindings[i];
if (binding.equals(toFind)) {
return i;
}
}
return -1;
}
/**
* Remove the binding if present and returns the new bindings, {@code null} otherwise.
*/
private static Binding[] removeBindingIfPresent(final AtomicReference<Binding[]> bindings,
final Binding bindingToRemove) {
Objects.requireNonNull(bindings);
Objects.requireNonNull(bindingToRemove);
Binding[] oldBindings;
Binding[] newBindings;
do {
oldBindings = bindings.get();
// no need to check vs TOMBSTONE_BINDINGS, because found === -1;
final int found = indexOfBinding(oldBindings, bindingToRemove);
if (found == -1) {
return null;
}
final int oldBindingsCount = oldBindings.length;
if (oldBindingsCount == 1) {
newBindings = TOMBSTONE_BINDINGS;
} else {
final int newBindingsCount = oldBindingsCount - 1;
newBindings = new Binding[newBindingsCount];
System.arraycopy(oldBindings, 0, newBindings, 0, found);
final int remaining = newBindingsCount - found;
if (remaining > 0) {
System.arraycopy(oldBindings, found + 1, newBindings, found, remaining);
}
}
}
while (!bindings.compareAndSet(oldBindings, newBindings));
return newBindings;
}
/**
* Returns {@code true} if the given binding has been added or already present,
* {@code false} if bindings are going to be garbage-collected.
*/
private static boolean addBindingIfAbsent(final AtomicReference<Binding[]> bindings, final Binding newBinding) {
Objects.requireNonNull(bindings);
Objects.requireNonNull(newBinding);
Binding[] oldBindings;
Binding[] newBindings;
do {
oldBindings = bindings.get();
if (oldBindings == TOMBSTONE_BINDINGS) {
return false;
}
if (indexOfBinding(oldBindings, newBinding) >= 0) {
return true;
}
final int oldLength = oldBindings.length;
newBindings = Arrays.copyOf(oldBindings, oldLength + 1);
assert newBindings[oldLength] == null;
newBindings[oldLength] = newBinding;
}
while (!bindings.compareAndSet(oldBindings, newBindings));
return true;
}
}

374
artemis-server/src/main/java/org/apache/activemq/artemis/core/postoffice/impl/PostOfficeImpl.java
View File

@ -17,6 +17,7 @@
package org.apache.activemq.artemis.core.postoffice.impl;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.EnumSet;
@ -32,7 +33,6 @@ import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.Executor;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.stream.Stream;
import org.apache.activemq.artemis.api.core.ActiveMQAddressDoesNotExistException;
@ -1081,32 +1081,44 @@ public class PostOfficeImpl implements PostOffice, NotificationListener, Binding
private RoutingStatus route(final Message message,
final RoutingContext context,
final boolean direct,
boolean rejectDuplicates,
final Binding bindingMove, boolean sendToDLA) throws Exception {
final boolean rejectDuplicates,
final Binding bindingMove,
final boolean sendToDLA) throws Exception {
RoutingStatus result;
// Sanity check
if (message.getRefCount() > 0) {
throw new IllegalStateException("Message cannot be routed more than once");
}
final SimpleString address = context.getAddress(message);
AtomicBoolean startedTX = new AtomicBoolean(false);
applyExpiryDelay(message, address);
if (context.isDuplicateDetection() && !checkDuplicateID(message, context, rejectDuplicates, startedTX)) {
return RoutingStatus.DUPLICATED_ID;
final AddressSettings settings = addressSettingsRepository.getMatch(address.toString());
if (settings != null) {
applyExpiryDelay(message, settings);
}
final boolean startedTX;
if (context.isDuplicateDetection()) {
final DuplicateCheckResult duplicateCheckResult = checkDuplicateID(message, context, rejectDuplicates);
switch (duplicateCheckResult) {
case DuplicateNotStartedTX:
return RoutingStatus.DUPLICATED_ID;
case NoDuplicateStartedTX:
startedTX = true;
break;
case NoDuplicateNotStartedTX:
startedTX = false;
//nop
break;
default:
throw new IllegalStateException("Unexpected value: " + duplicateCheckResult);
}
} else {
startedTX = false;
}
message.clearInternalProperties();
Bindings bindings = addressManager.getBindingsForRoutingAddress(address);
AddressInfo addressInfo = addressManager.getAddressInfo(address);
Bindings bindings;
final AddressInfo addressInfo = addressManager.getAddressInfo(address);
if (bindingMove != null) {
context.clear();
context.setReusable(false);
@ -1114,7 +1126,7 @@ public class PostOfficeImpl implements PostOffice, NotificationListener, Binding
if (addressInfo != null) {
addressInfo.incrementRoutedMessageCount();
}
} else if (bindings != null) {
} else if ((bindings = addressManager.getBindingsForRoutingAddress(address)) != null) {
bindings.route(message, context);
if (addressInfo != null) {
addressInfo.incrementRoutedMessageCount();
@ -1126,7 +1138,7 @@ public class PostOfficeImpl implements PostOffice, NotificationListener, Binding
}
// this is a debug and not warn because this could be a regular scenario on publish-subscribe queues (or topic subscriptions on JMS)
if (logger.isDebugEnabled()) {
logger.debug("Couldn't find any bindings for address=" + address + " on message=" + message);
logger.debugf("Couldn't find any bindings for address=%s on message=%s", message, address, message);
}
}
@ -1135,34 +1147,62 @@ public class PostOfficeImpl implements PostOffice, NotificationListener, Binding
}
if (logger.isTraceEnabled()) {
logger.trace("Message after routed=" + message + "\n" + context.toString());
logger.tracef("Message after routed=%s\n%s", message, context);
}
try {
final RoutingStatus status;
if (context.getQueueCount() == 0) {
// Send to DLA if appropriate
status = maybeSendToDLA(message, context, address, sendToDLA);
} else {
status = RoutingStatus.OK;
try {
processRoute(message, context, direct);
} catch (ActiveMQAddressFullException e) {
if (startedTX) {
context.getTransaction().rollback();
} else if (context.getTransaction() != null) {
context.getTransaction().markAsRollbackOnly(e);
}
throw e;
}
}
if (startedTX) {
context.getTransaction().commit();
}
if (server.hasBrokerMessagePlugins()) {
server.callBrokerMessagePlugins(plugin -> plugin.afterMessageRoute(message, context, direct, rejectDuplicates, status));
}
return status;
} catch (Exception e) {
if (server.hasBrokerMessagePlugins()) {
server.callBrokerMessagePlugins(plugin -> plugin.onMessageRouteException(message, context, direct, rejectDuplicates, e));
}
throw e;
}
}
AddressSettings addressSettings = addressSettingsRepository.getMatch(address.toString());
if (sendToDLA) {
private RoutingStatus maybeSendToDLA(final Message message,
final RoutingContext context,
final SimpleString address,
final boolean sendToDLAHint) throws Exception {
final RoutingStatus status;
final AddressSettings addressSettings = addressSettingsRepository.getMatch(address.toString());
final boolean sendToDLA;
if (sendToDLAHint) {
// it's already been through here once, giving up now
sendToDLA = false;
} else {
sendToDLA = addressSettings != null ? addressSettings.isSendToDLAOnNoRoute() : AddressSettings.DEFAULT_SEND_TO_DLA_ON_NO_ROUTE;
}
if (sendToDLA) {
// Send to the DLA for the address
SimpleString dlaAddress = addressSettings != null ? addressSettings.getDeadLetterAddress() : null;
final SimpleString dlaAddress = addressSettings != null ? addressSettings.getDeadLetterAddress() : null;
if (logger.isDebugEnabled()) {
logger.debug("sending message to dla address = " + dlaAddress + ", message=" + message);
logger.debugf("sending message to dla address = %s, message=%s", dlaAddress, message);
}
if (dlaAddress == null) {
result = RoutingStatus.NO_BINDINGS;
status = RoutingStatus.NO_BINDINGS;
ActiveMQServerLogger.LOGGER.noDLA(address);
} else {
message.referenceOriginalMessage(message, null);
@ -1171,55 +1211,23 @@ public class PostOfficeImpl implements PostOffice, NotificationListener, Binding
message.reencode();
route(message, new RoutingContextImpl(context.getTransaction()), false, true, null, sendToDLA);
result = RoutingStatus.NO_BINDINGS_DLA;
route(message, new RoutingContextImpl(context.getTransaction()), false, true, null, true);
status = RoutingStatus.NO_BINDINGS_DLA;
}
} else {
result = RoutingStatus.NO_BINDINGS;
status = RoutingStatus.NO_BINDINGS;
if (logger.isDebugEnabled()) {
logger.debug("Message " + message + " is not going anywhere as it didn't have a binding on address:" + address);
logger.debugf("Message %s is not going anywhere as it didn't have a binding on address:%s", message, address);
}
if (message.isLargeMessage()) {
((LargeServerMessage) message).deleteFile();
}
}
} else {
result = RoutingStatus.OK;
try {
processRoute(message, context, direct);
} catch (ActiveMQAddressFullException e) {
if (startedTX.get()) {
context.getTransaction().rollback();
} else if (context.getTransaction() != null) {
context.getTransaction().markAsRollbackOnly(e);
}
throw e;
}
}
if (startedTX.get()) {
context.getTransaction().commit();
}
} catch (Exception e) {
if (server.hasBrokerMessagePlugins()) {
server.callBrokerMessagePlugins(plugin -> plugin.onMessageRouteException(message, context, direct, rejectDuplicates, e));
}
throw e;
}
if (server.hasBrokerMessagePlugins()) {
server.callBrokerMessagePlugins(plugin -> plugin.afterMessageRoute(message, context, direct, rejectDuplicates, result));
}
return result;
return status;
}
// HORNETQ-1029
private void applyExpiryDelay(Message message, SimpleString address) {
AddressSettings settings = addressSettingsRepository.getMatch(address.toString());
if (settings != null) {
private static void applyExpiryDelay(Message message, AddressSettings settings) {
long expirationOverride = settings.getExpiryDelay();
// A -1 <expiry-delay> means don't do anything
@ -1239,7 +1247,6 @@ public class PostOfficeImpl implements PostOffice, NotificationListener, Binding
}
}
}
}
@Override
public MessageReference reload(final Message message, final Queue queue, final Transaction tx) throws Exception {
@ -1489,20 +1496,22 @@ public class PostOfficeImpl implements PostOffice, NotificationListener, Binding
public void processRoute(final Message message,
final RoutingContext context,
final boolean direct) throws Exception {
final List<MessageReference> refs = new ArrayList<>();
final ArrayList<MessageReference> refs = new ArrayList<>();
Transaction tx = context.getTransaction();
final Transaction tx = context.getTransaction();
Long deliveryTime = null;
final Long deliveryTime;
if (message.hasScheduledDeliveryTime()) {
deliveryTime = message.getScheduledDeliveryTime();
} else {
deliveryTime = null;
}
PagingStore owningStore = pagingManager.getPageStore(message.getAddressSimpleString());
final SimpleString messageAddress = message.getAddressSimpleString();
final PagingStore owningStore = pagingManager.getPageStore(messageAddress);
message.setOwner(owningStore);
for (Map.Entry<SimpleString, RouteContextList> entry : context.getContexListing().entrySet()) {
PagingStore store;
if (entry.getKey() == message.getAddressSimpleString() || entry.getKey().equals(message.getAddressSimpleString())) {
final PagingStore store;
if (entry.getKey().equals(messageAddress)) {
store = owningStore;
} else {
store = pagingManager.getPageStore(entry.getKey());
@ -1518,68 +1527,22 @@ public class PostOfficeImpl implements PostOffice, NotificationListener, Binding
continue;
}
for (Queue queue : entry.getValue().getNonDurableQueues()) {
MessageReference reference = MessageReference.Factory.createReference(message, queue);
if (deliveryTime != null) {
reference.setScheduledDeliveryTime(deliveryTime);
}
refs.add(reference);
queue.refUp(reference);
}
Iterator<Queue> iter = entry.getValue().getDurableQueues().iterator();
while (iter.hasNext()) {
Queue queue = iter.next();
MessageReference reference = MessageReference.Factory.createReference(message, queue);
if (context.isAlreadyAcked(context.getAddress(message), queue)) {
reference.setAlreadyAcked();
if (tx != null) {
queue.acknowledge(tx, reference);
}
}
final List<Queue> nonDurableQueues = entry.getValue().getNonDurableQueues();
if (!nonDurableQueues.isEmpty()) {
refs.ensureCapacity(nonDurableQueues.size());
nonDurableQueues.forEach(queue -> {
final MessageReference reference = MessageReference.Factory.createReference(message, queue);
if (deliveryTime != null) {
reference.setScheduledDeliveryTime(deliveryTime);
}
refs.add(reference);
queue.refUp(reference);
if (message.isDurable()) {
int durableRefCount = queue.durableUp(message);
if (durableRefCount == 1) {
if (tx != null) {
storageManager.storeMessageTransactional(tx.getID(), message);
} else {
storageManager.storeMessage(message);
});
}
if (message.isLargeMessage()) {
confirmLargeMessageSend(tx, message);
}
}
if (tx != null) {
storageManager.storeReferenceTransactional(tx.getID(), queue.getID(), message.getMessageID());
tx.setContainsPersistent();
} else {
storageManager.storeReference(queue.getID(), message.getMessageID(), !iter.hasNext());
}
if (deliveryTime != null && deliveryTime > 0) {
if (tx != null) {
storageManager.updateScheduledDeliveryTimeTransactional(tx.getID(), reference);
} else {
storageManager.updateScheduledDeliveryTime(reference);
}
}
}
final List<Queue> durableQueues = entry.getValue().getDurableQueues();
if (!durableQueues.isEmpty()) {
processRouteToDurableQueues(message, context, deliveryTime, tx, durableQueues, refs);
}
}
@ -1608,6 +1571,59 @@ public class PostOfficeImpl implements PostOffice, NotificationListener, Binding
}
}
private void processRouteToDurableQueues(final Message message,
final RoutingContext context,
final Long deliveryTime,
final Transaction tx,
final List<Queue> durableQueues,
final ArrayList<MessageReference> refs) throws Exception {
final int durableQueuesCount = durableQueues.size();
refs.ensureCapacity(durableQueuesCount);
final Iterator<Queue> iter = durableQueues.iterator();
for (int i = 0; i < durableQueuesCount; i++) {
final Queue queue = iter.next();
final MessageReference reference = MessageReference.Factory.createReference(message, queue);
if (context.isAlreadyAcked(message, queue)) {
reference.setAlreadyAcked();
if (tx != null) {
queue.acknowledge(tx, reference);
}
}
if (deliveryTime != null) {
reference.setScheduledDeliveryTime(deliveryTime);
}
refs.add(reference);
queue.refUp(reference);
if (message.isDurable()) {
final int durableRefCount = queue.durableUp(message);
if (durableRefCount == 1) {
if (tx != null) {
storageManager.storeMessageTransactional(tx.getID(), message);
} else {
storageManager.storeMessage(message);
}
if (message.isLargeMessage()) {
confirmLargeMessageSend(tx, message);
}
}
if (tx != null) {
storageManager.storeReferenceTransactional(tx.getID(), queue.getID(), message.getMessageID());
tx.setContainsPersistent();
} else {
final boolean last = i == (durableQueuesCount - 1);
storageManager.storeReference(queue.getID(), message.getMessageID(), last);
}
if (deliveryTime != null && deliveryTime > 0) {
if (tx != null) {
storageManager.updateScheduledDeliveryTimeTransactional(tx.getID(), reference);
} else {
storageManager.updateScheduledDeliveryTime(reference);
}
}
}
}
}
/**
* @param tx
* @param message
@ -1671,72 +1687,76 @@ public class PostOfficeImpl implements PostOffice, NotificationListener, Binding
}
}
private boolean checkDuplicateID(final Message message,
private enum DuplicateCheckResult {
DuplicateNotStartedTX, NoDuplicateStartedTX, NoDuplicateNotStartedTX
}
private DuplicateCheckResult checkDuplicateID(final Message message,
final RoutingContext context,
boolean rejectDuplicates,
AtomicBoolean startedTX) throws Exception {
final boolean rejectDuplicates) throws Exception {
// Check the DuplicateCache for the Bridge first
Object bridgeDup = message.removeExtraBytesProperty(Message.HDR_BRIDGE_DUPLICATE_ID);
final Object bridgeDup = message.removeExtraBytesProperty(Message.HDR_BRIDGE_DUPLICATE_ID);
if (bridgeDup != null) {
// if the message is being sent from the bridge, we just ignore the duplicate id, and use the internal one
byte[] bridgeDupBytes = (byte[]) bridgeDup;
DuplicateIDCache cacheBridge = getDuplicateIDCache(BRIDGE_CACHE_STR.concat(context.getAddress(message).toString()));
if (context.getTransaction() == null) {
context.setTransaction(new TransactionImpl(storageManager));
startedTX.set(true);
return checkBridgeDuplicateID(message, context, (byte[]) bridgeDup);
}
if (!cacheBridge.atomicVerify(bridgeDupBytes, context.getTransaction())) {
context.getTransaction().rollback();
startedTX.set(false);
message.usageDown(); // this will cause large message delete
return false;
}
} else {
// if used BridgeDuplicate, it's not going to use the regular duplicate
// since this will would break redistribution (re-setting the duplicateId)
byte[] duplicateIDBytes = message.getDuplicateIDBytes();
DuplicateIDCache cache = null;
boolean isDuplicate = false;
if (duplicateIDBytes != null) {
cache = getDuplicateIDCache(context.getAddress(message));
isDuplicate = cache.contains(duplicateIDBytes);
final byte[] duplicateIDBytes = message.getDuplicateIDBytes();
if (duplicateIDBytes == null) {
return DuplicateCheckResult.NoDuplicateNotStartedTX;
}
return checkNotBridgeDuplicateID(message, context, rejectDuplicates, duplicateIDBytes);
}
private DuplicateCheckResult checkNotBridgeDuplicateID(final Message message,
final RoutingContext context,
final boolean rejectDuplicates,
final byte[] duplicateIDBytes) throws Exception {
assert duplicateIDBytes != null && Arrays.equals(message.getDuplicateIDBytes(), duplicateIDBytes);
final DuplicateIDCache cache = getDuplicateIDCache(context.getAddress(message));
final boolean isDuplicate = cache.contains(duplicateIDBytes);
if (rejectDuplicates && isDuplicate) {
ActiveMQServerLogger.LOGGER.duplicateMessageDetected(message);
String warnMessage = "Duplicate message detected - message will not be routed. Message information:" + message.toString();
if (context.getTransaction() != null) {
final String warnMessage = "Duplicate message detected - message will not be routed. Message information:" + message;
context.getTransaction().markAsRollbackOnly(new ActiveMQDuplicateIdException(warnMessage));
}
message.usageDown(); // this will cause large message delete
return false;
return DuplicateCheckResult.DuplicateNotStartedTX;
}
if (isDuplicate) {
assert !rejectDuplicates;
return DuplicateCheckResult.NoDuplicateNotStartedTX;
}
if (cache != null && !isDuplicate) {
final boolean startedTX;
if (context.getTransaction() == null) {
// We need to store the duplicate id atomically with the message storage, so we need to create a tx for this
context.setTransaction(new TransactionImpl(storageManager));
startedTX.set(true);
startedTX = true;
} else {
startedTX = false;
}
cache.addToCache(duplicateIDBytes, context.getTransaction(), startedTX);
return startedTX ? DuplicateCheckResult.NoDuplicateStartedTX : DuplicateCheckResult.NoDuplicateNotStartedTX;
}
cache.addToCache(duplicateIDBytes, context.getTransaction(), startedTX.get());
private DuplicateCheckResult checkBridgeDuplicateID(final Message message,
final RoutingContext context,
final byte[] bridgeDupBytes) throws Exception {
assert bridgeDupBytes != null;
boolean startedTX = false;
if (context.getTransaction() == null) {
context.setTransaction(new TransactionImpl(storageManager));
startedTX = true;
}
// if the message is being sent from the bridge, we just ignore the duplicate id, and use the internal one
final DuplicateIDCache cacheBridge = getDuplicateIDCache(BRIDGE_CACHE_STR.concat(context.getAddress(message).toString()));
if (!cacheBridge.atomicVerify(bridgeDupBytes, context.getTransaction())) {
context.getTransaction().rollback();
message.usageDown(); // this will cause large message delete
return DuplicateCheckResult.DuplicateNotStartedTX;
}
return true;
return startedTX ? DuplicateCheckResult.NoDuplicateStartedTX : DuplicateCheckResult.NoDuplicateNotStartedTX;
}
/**

2
artemis-server/src/main/java/org/apache/activemq/artemis/core/server/RoutingContext.java
View File

@ -68,7 +68,7 @@ public interface RoutingContext {
void addQueueWithAck(SimpleString address, Queue queue);
boolean isAlreadyAcked(SimpleString address, Queue queue);
boolean isAlreadyAcked(Message message, Queue queue);
void setAddress(SimpleString address);

4
artemis-server/src/main/java/org/apache/activemq/artemis/core/server/impl/RoutingContextImpl.java
View File

@ -192,8 +192,8 @@ public class RoutingContextImpl implements RoutingContext {
}
@Override
public boolean isAlreadyAcked(SimpleString address, Queue queue) {
RouteContextList listing = map.get(address);
public boolean isAlreadyAcked(Message message, Queue queue) {
final RouteContextList listing = map.get(getAddress(message));
return listing == null ? false : listing.isAlreadyAcked(queue);
}