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This closes #832

This commit is contained in:
Clebert Suconic 2016-10-10 23:24:15 +02:00
parent 646c8ce7a5 a09348695c
commit c684e9c8a6
7 changed files with 169 additions and 130 deletions
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12
artemis-protocols/artemis-mqtt-protocol/src/main/java/org/apache/activemq/artemis/core/protocol/mqtt/MQTTProtocolHandler.java
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@ -96,7 +96,7 @@ public class MQTTProtocolHandler extends ChannelInboundHandlerAdapter {
connection.dataReceived();
MQTTUtil.logMessage(log, message, true);
MQTTUtil.logMessage(session.getState(), message, true);
switch (message.fixedHeader().messageType()) {
case CONNECT:
@ -145,7 +145,7 @@ public class MQTTProtocolHandler extends ChannelInboundHandlerAdapter {
disconnect();
}
} catch (Exception e) {
log.warn("Error processing Control Packet, Disconnecting Client" + e.getMessage());
log.debug("Error processing Control Packet, Disconnecting Client", e);
disconnect();
}
}
@ -243,6 +243,7 @@ public class MQTTProtocolHandler extends ChannelInboundHandlerAdapter {
MqttFixedHeader header = new MqttFixedHeader(MqttMessageType.SUBACK, false, MqttQoS.AT_MOST_ONCE, false, 0);
MqttSubAckMessage ack = new MqttSubAckMessage(header, message.variableHeader(), new MqttSubAckPayload(qos));
MQTTUtil.logMessage(session.getSessionState(), ack, false);
ctx.write(ack);
ctx.flush();
}
@ -255,6 +256,7 @@ public class MQTTProtocolHandler extends ChannelInboundHandlerAdapter {
session.getSubscriptionManager().removeSubscriptions(message.payload().topics());
MqttFixedHeader header = new MqttFixedHeader(MqttMessageType.UNSUBACK, false, MqttQoS.AT_MOST_ONCE, false, 0);
MqttUnsubAckMessage m = new MqttUnsubAckMessage(header, message.variableHeader());
MQTTUtil.logMessage(session.getSessionState(), m, false);
ctx.write(m);
ctx.flush();
}
@ -264,7 +266,9 @@ public class MQTTProtocolHandler extends ChannelInboundHandlerAdapter {
}
void handlePingreq(MqttMessage message, ChannelHandlerContext ctx) {
ctx.write(new MqttMessage(new MqttFixedHeader(MqttMessageType.PINGRESP, false, MqttQoS.AT_MOST_ONCE, false, 0)));
MqttMessage pingResp = new MqttMessage(new MqttFixedHeader(MqttMessageType.PINGRESP, false, MqttQoS.AT_MOST_ONCE, false, 0));
MQTTUtil.logMessage(session.getSessionState(), pingResp, false);
ctx.write(pingResp);
ctx.flush();
}
@ -285,6 +289,8 @@ public class MQTTProtocolHandler extends ChannelInboundHandlerAdapter {
MqttMessage publish = new MqttPublishMessage(header, varHeader, payload);
this.protocolManager.invokeOutgoing(publish, connection);
MQTTUtil.logMessage(session.getSessionState(), publish, false);
ctx.write(publish);
ctx.flush();

93
artemis-protocols/artemis-mqtt-protocol/src/main/java/org/apache/activemq/artemis/core/protocol/mqtt/MQTTPublishManager.java
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@ -22,11 +22,12 @@ import java.io.UnsupportedEncodingException;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufAllocator;
import io.netty.buffer.EmptyByteBuf;
import io.netty.handler.codec.mqtt.MqttMessageType;
import org.apache.activemq.artemis.api.core.ActiveMQIllegalStateException;
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.io.IOCallback;
import org.apache.activemq.artemis.core.server.Queue;
import org.apache.activemq.artemis.core.server.ServerConsumer;
import org.apache.activemq.artemis.core.server.ServerMessage;
import org.apache.activemq.artemis.core.server.impl.ServerMessageImpl;
@ -48,11 +49,18 @@ public class MQTTPublishManager {
private final Object lock = new Object();
private MQTTSessionState state;
private MQTTSessionState.OutboundStore outboundStore;
public MQTTPublishManager(MQTTSession session) {
this.session = session;
}
synchronized void start() throws Exception {
this.state = session.getSessionState();
this.outboundStore = state.getOutboundStore();
createManagementAddress();
createManagementQueue();
createManagementConsumer();
@ -75,12 +83,12 @@ public class MQTTPublishManager {
}
private void createManagementAddress() {
String clientId = session.getSessionState().getClientId();
managementAddress = new SimpleString(MANAGEMENT_QUEUE_PREFIX + clientId);
managementAddress = new SimpleString(MANAGEMENT_QUEUE_PREFIX + state.getClientId());
}
private void createManagementQueue() throws Exception {
if (session.getServer().locateQueue(managementAddress) == null) {
Queue q = session.getServer().locateQueue(managementAddress);
if (q == null) {
session.getServerSession().createQueue(managementAddress, managementAddress, null, false, MQTTUtil.DURABLE_MESSAGES);
}
}
@ -89,10 +97,6 @@ public class MQTTPublishManager {
return consumer == managementConsumer;
}
private int generateMqttId(int qos) {
return session.getSessionState().generateId();
}
/**
* Since MQTT Subscriptions can over lap; a client may receive the same message twice. When this happens the client
* returns a PubRec or PubAck with ID. But we need to know which consumer to ack, since we only have the ID to go on we
@ -110,10 +114,8 @@ public class MQTTPublishManager {
sendServerMessage((int) message.getMessageID(), (ServerMessageImpl) message, deliveryCount, qos);
session.getServerSession().acknowledge(consumer.getID(), message.getMessageID());
} else {
String consumerAddress = consumer.getQueue().getAddress().toString();
Integer mqttid = generateMqttId(qos);
session.getSessionState().addOutbandMessageRef(mqttid, consumerAddress, message.getMessageID(), qos);
int mqttid = outboundStore.generateMqttId(message.getMessageID(), consumer.getID());
outboundStore.publish(mqttid, message.getMessageID(), consumer.getID());
sendServerMessage(mqttid, (ServerMessageImpl) message, deliveryCount, qos);
}
}
@ -128,9 +130,9 @@ public class MQTTPublishManager {
serverMessage.setDurable(MQTTUtil.DURABLE_MESSAGES);
}
if (qos < 2 || !session.getSessionState().getPubRec().contains(messageId)) {
if (qos < 2 || !state.getPubRec().contains(messageId)) {
if (qos == 2)
session.getSessionState().getPubRec().add(messageId);
state.getPubRec().add(messageId);
session.getServerSession().send(serverMessage, true);
}
@ -144,11 +146,29 @@ public class MQTTPublishManager {
}
void sendPubRelMessage(ServerMessage message) {
if (message.getIntProperty(MQTTUtil.MQTT_MESSAGE_TYPE_KEY) == MqttMessageType.PUBREL.value()) {
int messageId = message.getIntProperty(MQTTUtil.MQTT_MESSAGE_ID_KEY);
MQTTMessageInfo messageInfo = new MQTTMessageInfo(message.getMessageID(), managementConsumer.getID(), message.getAddress().toString());
session.getSessionState().storeMessageRef(messageId, messageInfo, false);
session.getProtocolHandler().sendPubRel(messageId);
int messageId = message.getIntProperty(MQTTUtil.MQTT_MESSAGE_ID_KEY);
session.getProtocolHandler().sendPubRel(messageId);
}
void handlePubRec(int messageId) throws Exception {
try {
Pair<Long, Long> ref = outboundStore.publishReceived(messageId);
if (ref != null) {
ServerMessage m = MQTTUtil.createPubRelMessage(session, managementAddress, messageId);
session.getServerSession().send(m, true);
session.getServerSession().acknowledge(ref.getB(), ref.getA());
} else {
session.getProtocolHandler().sendPubRel(messageId);
}
} catch (ActiveMQIllegalStateException e) {
log.warn("MQTT Client(" + session.getSessionState().getClientId() + ") attempted to Ack already Ack'd message");
}
}
void handlePubComp(int messageId) throws Exception {
Pair<Long, Long> ref = session.getState().getOutboundStore().publishComplete(messageId);
if (ref != null) {
session.getServerSession().acknowledge(ref.getB(), ref.getA());
}
}
@ -170,38 +190,21 @@ public class MQTTPublishManager {
});
}
void handlePubRec(int messageId) throws Exception {
MQTTMessageInfo messageRef = session.getSessionState().getMessageInfo(messageId);
if (messageRef != null) {
ServerMessage pubRel = MQTTUtil.createPubRelMessage(session, managementAddress, messageId);
session.getServerSession().send(pubRel, true);
session.getServerSession().acknowledge(messageRef.getConsumerId(), messageRef.getServerMessageId());
session.getProtocolHandler().sendPubRel(messageId);
}
}
void handlePubComp(int messageId) throws Exception {
MQTTMessageInfo messageInfo = session.getSessionState().getMessageInfo(messageId);
// Check to see if this message is stored if not just drop the packet.
if (messageInfo != null) {
session.getServerSession().acknowledge(managementConsumer.getID(), messageInfo.getServerMessageId());
}
}
void handlePubRel(int messageId) {
// We don't check to see if a PubRel existed for this message. We assume it did and so send PubComp.
session.getSessionState().getPubRec().remove(messageId);
state.getPubRec().remove(messageId);
session.getProtocolHandler().sendPubComp(messageId);
session.getSessionState().removeMessageRef(messageId);
state.removeMessageRef(messageId);
}
void handlePubAck(int messageId) throws Exception {
Pair<String, Long> pub1MessageInfo = session.getSessionState().removeOutbandMessageRef(messageId, 1);
if (pub1MessageInfo != null) {
String mqttAddress = MQTTUtil.convertCoreAddressFilterToMQTT(pub1MessageInfo.getA());
ServerConsumer consumer = session.getSubscriptionManager().getConsumerForAddress(mqttAddress);
session.getServerSession().acknowledge(consumer.getID(), pub1MessageInfo.getB());
try {
Pair<Long, Long> ref = outboundStore.publishAckd(messageId);
if (ref != null) {
session.getServerSession().acknowledge(ref.getB(), ref.getA());
}
} catch (ActiveMQIllegalStateException e) {
log.warn("MQTT Client(" + session.getSessionState().getClientId() + ") attempted to Ack already Ack'd message");
}
}

3
artemis-protocols/artemis-mqtt-protocol/src/main/java/org/apache/activemq/artemis/core/protocol/mqtt/MQTTRetainMessageManager.java
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@ -66,9 +66,8 @@ public class MQTTRetainMessageManager {
}
}
void addRetainedMessagesToQueue(SimpleString queueName, String address) throws Exception {
void addRetainedMessagesToQueue(Queue queue, String address) throws Exception {
// Queue to add the retained messages to
Queue queue = session.getServer().locateQueue(queueName);
// The address filter that matches all retained message queues.
String retainAddress = MQTTUtil.convertMQTTAddressFilterToCoreRetain(address);

105
artemis-protocols/artemis-mqtt-protocol/src/main/java/org/apache/activemq/artemis/core/protocol/mqtt/MQTTSessionState.java
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@ -18,6 +18,7 @@
package org.apache.activemq.artemis.core.protocol.mqtt;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
@ -48,8 +49,6 @@ public class MQTTSessionState {
private boolean attached = false;
private MQTTLogger log = MQTTLogger.LOGGER;
// Objects track the Outbound message references
private Map<Integer, Pair<String, Long>> outboundMessageReferenceStore;
@ -60,6 +59,8 @@ public class MQTTSessionState {
// FIXME We should use a better mechanism for creating packet IDs.
private AtomicInteger lastId = new AtomicInteger(0);
private final OutboundStore outboundStore = new OutboundStore();
public MQTTSessionState(String clientId) {
this.clientId = clientId;
@ -73,53 +74,14 @@ public class MQTTSessionState {
addressMessageMap = new ConcurrentHashMap<>();
}
int generateId() {
lastId.compareAndSet(Short.MAX_VALUE, 1);
return lastId.addAndGet(1);
}
void addOutbandMessageRef(int mqttId, String address, long serverMessageId, int qos) {
synchronized (outboundLock) {
outboundMessageReferenceStore.put(mqttId, new Pair<>(address, serverMessageId));
if (qos == 2) {
if (reverseOutboundReferenceStore.containsKey(address)) {
reverseOutboundReferenceStore.get(address).put(serverMessageId, mqttId);
} else {
ConcurrentHashMap<Long, Integer> serverToMqttId = new ConcurrentHashMap<>();
serverToMqttId.put(serverMessageId, mqttId);
reverseOutboundReferenceStore.put(address, serverToMqttId);
}
}
}
}
Pair<String, Long> removeOutbandMessageRef(int mqttId, int qos) {
synchronized (outboundLock) {
Pair<String, Long> messageInfo = outboundMessageReferenceStore.remove(mqttId);
if (qos == 1) {
return messageInfo;
}
Map<Long, Integer> map = reverseOutboundReferenceStore.get(messageInfo.getA());
if (map != null) {
map.remove(messageInfo.getB());
if (map.isEmpty()) {
reverseOutboundReferenceStore.remove(messageInfo.getA());
}
return messageInfo;
}
return null;
}
OutboundStore getOutboundStore() {
return outboundStore;
}
Set<Integer> getPubRec() {
return pubRec;
}
Set<Integer> getPub() {
return pub;
}
boolean getAttached() {
return attached;
}
@ -185,16 +147,6 @@ public class MQTTSessionState {
this.clientId = clientId;
}
void storeMessageRef(Integer mqttId, MQTTMessageInfo messageInfo, boolean storeAddress) {
messageRefStore.put(mqttId, messageInfo);
if (storeAddress) {
Map<Long, Integer> addressMap = addressMessageMap.get(messageInfo.getAddress());
if (addressMap != null) {
addressMap.put(messageInfo.getServerMessageId(), mqttId);
}
}
}
void removeMessageRef(Integer mqttId) {
MQTTMessageInfo info = messageRefStore.remove(mqttId);
if (info != null) {
@ -205,7 +157,50 @@ public class MQTTSessionState {
}
}
MQTTMessageInfo getMessageInfo(Integer mqttId) {
return messageRefStore.get(mqttId);
public class OutboundStore {
private final HashMap<String, Integer> artemisToMqttMessageMap = new HashMap<>();
private final HashMap<Integer, Pair<Long, Long>> mqttToServerIds = new HashMap<>();
private final Object dataStoreLock = new Object();
private final AtomicInteger ids = new AtomicInteger(0);
public int generateMqttId(long serverId, long consumerId) {
synchronized (dataStoreLock) {
Integer id = artemisToMqttMessageMap.get(consumerId + ":" + serverId);
if (id == null) {
ids.compareAndSet(Short.MAX_VALUE, 1);
id = ids.addAndGet(1);
}
return id;
}
}
public void publish(int mqtt, long serverId, long consumerId) {
synchronized (dataStoreLock) {
artemisToMqttMessageMap.put(consumerId + ":" + serverId, mqtt);
mqttToServerIds.put(mqtt, new Pair(serverId, consumerId));
}
}
public Pair<Long, Long> publishAckd(int mqtt) {
synchronized (dataStoreLock) {
Pair p = mqttToServerIds.remove(mqtt);
if (p != null) {
mqttToServerIds.remove(p.getA());
}
return p;
}
}
public Pair<Long, Long> publishReceived(int mqtt) {
return publishAckd(mqtt);
}
public Pair<Long, Long> publishComplete(int mqtt) {
return publishAckd(mqtt);
}
}
}

19
artemis-protocols/artemis-mqtt-protocol/src/main/java/org/apache/activemq/artemis/core/protocol/mqtt/MQTTSubscriptionManager.java
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@ -36,8 +36,6 @@ public class MQTTSubscriptionManager {
private ConcurrentMap<String, ServerConsumer> consumers;
private MQTTLogger log = MQTTLogger.LOGGER;
// We filter out Artemis management messages and notifications
private SimpleString managementFilter;
@ -63,7 +61,7 @@ public class MQTTSubscriptionManager {
synchronized void start() throws Exception {
for (MqttTopicSubscription subscription : session.getSessionState().getSubscriptions()) {
SimpleString q = createQueueForSubscription(subscription.topicName(), subscription.qualityOfService().value());
Queue q = createQueueForSubscription(subscription.topicName(), subscription.qualityOfService().value());
createConsumerForSubscriptionQueue(q, subscription.topicName(), subscription.qualityOfService().value());
}
}
@ -86,23 +84,23 @@ public class MQTTSubscriptionManager {
/**
* Creates a Queue if it doesn't already exist, based on a topic and address. Returning the queue name.
*/
private SimpleString createQueueForSubscription(String topic, int qos) throws Exception {
private Queue createQueueForSubscription(String topic, int qos) throws Exception {
String address = MQTTUtil.convertMQTTAddressFilterToCore(topic);
SimpleString queue = getQueueNameForTopic(address);
Queue q = session.getServer().locateQueue(queue);
if (q == null) {
session.getServerSession().createQueue(new SimpleString(address), queue, managementFilter, false, MQTTUtil.DURABLE_MESSAGES && qos >= 0);
q = session.getServerSession().createQueue(new SimpleString(address), queue, managementFilter, false, MQTTUtil.DURABLE_MESSAGES && qos >= 0);
}
return queue;
return q;
}
/**
* Creates a new consumer for the queue associated with a subscription
*/
private void createConsumerForSubscriptionQueue(SimpleString queue, String topic, int qos) throws Exception {
private void createConsumerForSubscriptionQueue(Queue queue, String topic, int qos) throws Exception {
long cid = session.getServer().getStorageManager().generateID();
ServerConsumer consumer = session.getServerSession().createConsumer(cid, queue, null, false, true, -1);
ServerConsumer consumer = session.getServerSession().createConsumer(cid, queue.getName(), null, false, true, -1);
consumer.setStarted(true);
consumers.put(topic, consumer);
@ -117,7 +115,7 @@ public class MQTTSubscriptionManager {
session.getSessionState().addSubscription(subscription);
SimpleString q = createQueueForSubscription(topic, qos);
Queue q = createQueueForSubscription(topic, qos);
if (s == null) {
createConsumerForSubscriptionQueue(q, topic, qos);
@ -171,7 +169,4 @@ public class MQTTSubscriptionManager {
return consumerQoSLevels;
}
ServerConsumer getConsumerForAddress(String address) {
return consumers.get(address);
}
}

41
artemis-protocols/artemis-mqtt-protocol/src/main/java/org/apache/activemq/artemis/core/protocol/mqtt/MQTTUtil.java
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@ -69,6 +69,8 @@ public class MQTTUtil {
return swapMQTTAndCoreWildCards(filter);
}
private static final MQTTLogger logger = MQTTLogger.LOGGER;
public static String convertCoreAddressFilterToMQTT(String filter) {
if (filter.startsWith(MQTT_RETAIN_ADDRESS_PREFIX)) {
filter = filter.substring(MQTT_RETAIN_ADDRESS_PREFIX.length(), filter.length());
@ -148,25 +150,38 @@ public class MQTTUtil {
return message;
}
public static void logMessage(MQTTLogger logger, MqttMessage message, boolean inbound) {
StringBuilder log = inbound ? new StringBuilder("Received ") : new StringBuilder("Sent ");
public static void logMessage(MQTTSessionState state, MqttMessage message, boolean inbound) {
if (logger.isTraceEnabled()) {
if (message.fixedHeader() != null) {
log.append(message.fixedHeader().messageType().toString());
StringBuilder log = new StringBuilder("MQTT(");
if (message.variableHeader() instanceof MqttPublishVariableHeader) {
log.append("(" + ((MqttPublishVariableHeader) message.variableHeader()).messageId() + ") " + message.fixedHeader().qosLevel());
} else if (message.variableHeader() instanceof MqttMessageIdVariableHeader) {
log.append("(" + ((MqttMessageIdVariableHeader) message.variableHeader()).messageId() + ")");
if (state != null) {
log.append(state.getClientId());
}
if (message.fixedHeader().messageType() == MqttMessageType.SUBSCRIBE) {
for (MqttTopicSubscription sub : ((MqttSubscribeMessage) message).payload().topicSubscriptions()) {
log.append("\n\t" + sub.topicName() + " : " + sub.qualityOfService());
if (inbound) {
log.append("): IN << ");
} else {
log.append("): OUT >> ");
}
if (message.fixedHeader() != null) {
log.append(message.fixedHeader().messageType().toString());
if (message.variableHeader() instanceof MqttPublishVariableHeader) {
log.append("(" + ((MqttPublishVariableHeader) message.variableHeader()).messageId() + ") " + message.fixedHeader().qosLevel());
} else if (message.variableHeader() instanceof MqttMessageIdVariableHeader) {
log.append("(" + ((MqttMessageIdVariableHeader) message.variableHeader()).messageId() + ")");
}
}
logger.debug(log.toString());
if (message.fixedHeader().messageType() == MqttMessageType.SUBSCRIBE) {
for (MqttTopicSubscription sub : ((MqttSubscribeMessage) message).payload().topicSubscriptions()) {
log.append("\n\t" + sub.topicName() + " : " + sub.qualityOfService());
}
}
logger.trace(log.toString());
}
}
}

26
tests/integration-tests/src/test/java/org/apache/activemq/artemis/tests/integration/mqtt/imported/MQTTTest.java
View File

@ -267,6 +267,32 @@ public class MQTTTest extends MQTTTestSupport {
assertEquals(NUM_MESSAGES, MQTTOutoingInterceptor.getMessageCount());
}
@Test(timeout = 600 * 1000)
public void testSendMoreThanUniqueId() throws Exception {
int messages = (Short.MAX_VALUE * 2) + 1;
final MQTTClientProvider publisher = getMQTTClientProvider();
initializeConnection(publisher);
final MQTTClientProvider subscriber = getMQTTClientProvider();
initializeConnection(subscriber);
int count = 0;
subscriber.subscribe("foo", EXACTLY_ONCE);
for (int i = 0; i < messages; i++) {
String payload = "Test Message: " + i;
publisher.publish("foo", payload.getBytes(), EXACTLY_ONCE);
byte[] message = subscriber.receive(5000);
assertNotNull("Should get a message + [" + i + "]", message);
assertEquals(payload, new String(message));
count++;
}
assertEquals(messages, count);
subscriber.disconnect();
publisher.disconnect();
}
@Test(timeout = 60 * 1000)
public void testSendAndReceiveLargeMessages() throws Exception {
byte[] payload = new byte[1024 * 32];