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This closes #1539

This commit is contained in:
Clebert Suconic 2017-09-25 11:00:56 -04:00
parent 53c8ee007b 956c4c6493
commit 28c96e1002
7 changed files with 128 additions and 180 deletions
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24
artemis-protocols/artemis-mqtt-protocol/src/main/java/org/apache/activemq/artemis/core/protocol/mqtt/MQTTConnectionManager.java
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@ -17,7 +17,6 @@
package org.apache.activemq.artemis.core.protocol.mqtt;
import java.util.Set;
import java.util.UUID;
import io.netty.buffer.ByteBuf;
@ -29,7 +28,6 @@ import org.apache.activemq.artemis.core.server.ActiveMQServer;
import org.apache.activemq.artemis.core.server.ServerSession;
import org.apache.activemq.artemis.core.server.impl.ServerSessionImpl;
import org.apache.activemq.artemis.utils.UUIDGenerator;
import org.apache.activemq.artemis.utils.collections.ConcurrentHashSet;
/**
* MQTTConnectionManager is responsible for handle Connect and Disconnect packets and any resulting behaviour of these
@ -39,9 +37,6 @@ public class MQTTConnectionManager {
private MQTTSession session;
//TODO Read in a list of existing client IDs from stored Sessions.
public static Set<String> CONNECTED_CLIENTS = new ConcurrentHashSet<>();
private MQTTLogger log = MQTTLogger.LOGGER;
private boolean isWill = false;
@ -148,8 +143,12 @@ public class MQTTConnectionManager {
if (session.getSessionState() != null) {
session.getSessionState().setAttached(false);
String clientId = session.getSessionState().getClientId();
if (clientId != null) {
CONNECTED_CLIENTS.remove(clientId);
/**
* ensure that the connection for the client ID matches *this* connection otherwise we could remove the
* entry for the client who "stole" this client ID via [MQTT-3.1.4-2]
*/
if (clientId != null && session.getProtocolManager().isClientConnected(clientId, session.getConnection())) {
session.getProtocolManager().removeConnectedClient(clientId);
}
}
}
@ -181,12 +180,13 @@ public class MQTTConnectionManager {
// [MQTT-3.1.3-8] Return ID rejected and disconnect if clean session = false and client id is null
return null;
}
} else if (!CONNECTED_CLIENTS.add(clientId)) {
// ^^^ If the client ID is not unique (i.e. it has already registered) then do not accept it.
} else {
MQTTConnection connection = session.getProtocolManager().addConnectedClient(clientId, session.getConnection());
// [MQTT-3.1.3-9] Return ID Rejected if server rejects the client ID
return null;
if (connection != null) {
// [MQTT-3.1.4-2] If the client ID represents a client already connected to the server then the server MUST disconnect the existing client
connection.disconnect(false);
}
}
return clientId;
}

23
artemis-protocols/artemis-mqtt-protocol/src/main/java/org/apache/activemq/artemis/core/protocol/mqtt/MQTTProtocolManager.java
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@ -19,6 +19,8 @@ package org.apache.activemq.artemis.core.protocol.mqtt;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
@ -52,6 +54,9 @@ class MQTTProtocolManager extends AbstractProtocolManager<MqttMessage, MQTTInter
private final List<MQTTInterceptor> incomingInterceptors = new ArrayList<>();
private final List<MQTTInterceptor> outgoingInterceptors = new ArrayList<>();
//TODO Read in a list of existing client IDs from stored Sessions.
private Map<String, MQTTConnection> connectedClients = new ConcurrentHashMap<>();
MQTTProtocolManager(ActiveMQServer server,
List<BaseInterceptor> incomingInterceptors,
List<BaseInterceptor> outgoingInterceptors) {
@ -172,4 +177,22 @@ class MQTTProtocolManager extends AbstractProtocolManager<MqttMessage, MQTTInter
public void invokeOutgoing(MqttMessage mqttMessage, MQTTConnection connection) {
super.invokeInterceptors(this.outgoingInterceptors, mqttMessage, connection);
}
public boolean isClientConnected(String clientId, MQTTConnection connection) {
return connectedClients.get(clientId).equals(connection);
}
public void removeConnectedClient(String clientId) {
connectedClients.remove(clientId);
}
/**
* @param clientId
* @param connection
* @return the {@code MQTTConnection} that the added connection replaced or null if there was no previous entry for
* the {@code clientId}
*/
public MQTTConnection addConnectedClient(String clientId, MQTTConnection connection) {
return connectedClients.put(clientId, connection);
}
}

6
tests/integration-tests/src/test/java/org/apache/activemq/artemis/tests/integration/mqtt/imported/MQTTFQQNTest.java
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@ -24,10 +24,8 @@ import java.util.concurrent.TimeUnit;
import org.apache.activemq.artemis.api.core.SimpleString;
import org.apache.activemq.artemis.core.postoffice.Binding;
import org.apache.activemq.artemis.core.protocol.mqtt.MQTTConnectionManager;
import org.apache.activemq.artemis.core.protocol.mqtt.MQTTSession;
import org.apache.activemq.artemis.core.server.QueueQueryResult;
import org.apache.activemq.artemis.utils.collections.ConcurrentHashSet;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
@ -44,10 +42,6 @@ public class MQTTFQQNTest extends MQTTTestSupport {
Field sessions = MQTTSession.class.getDeclaredField("SESSIONS");
sessions.setAccessible(true);
sessions.set(null, new ConcurrentHashMap<>());
Field connectedClients = MQTTConnectionManager.class.getDeclaredField("CONNECTED_CLIENTS");
connectedClients.setAccessible(true);
connectedClients.set(null, new ConcurrentHashSet<>());
super.setUp();
}

32
tests/integration-tests/src/test/java/org/apache/activemq/artemis/tests/integration/mqtt/imported/MQTTInterceptorPropertiesTest.java
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@ -16,27 +16,25 @@
*/
package org.apache.activemq.artemis.tests.integration.mqtt.imported;
import io.netty.handler.codec.mqtt.MqttFixedHeader;
import io.netty.handler.codec.mqtt.MqttMessage;
import io.netty.handler.codec.mqtt.MqttPublishMessage;
import org.apache.activemq.artemis.api.core.ActiveMQException;
import org.apache.activemq.artemis.core.protocol.mqtt.MQTTConnectionManager;
import org.apache.activemq.artemis.core.protocol.mqtt.MQTTInterceptor;
import org.apache.activemq.artemis.core.protocol.mqtt.MQTTSession;
import org.apache.activemq.artemis.spi.core.protocol.RemotingConnection;
import org.apache.activemq.artemis.utils.collections.ConcurrentHashSet;
import org.apache.felix.resolver.util.ArrayMap;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ErrorCollector;
import java.lang.reflect.Field;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import io.netty.handler.codec.mqtt.MqttFixedHeader;
import io.netty.handler.codec.mqtt.MqttMessage;
import io.netty.handler.codec.mqtt.MqttPublishMessage;
import org.apache.activemq.artemis.api.core.ActiveMQException;
import org.apache.activemq.artemis.core.protocol.mqtt.MQTTInterceptor;
import org.apache.activemq.artemis.core.protocol.mqtt.MQTTSession;
import org.apache.activemq.artemis.spi.core.protocol.RemotingConnection;
import org.apache.felix.resolver.util.ArrayMap;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ErrorCollector;
public class MQTTInterceptorPropertiesTest extends MQTTTestSupport {
@Override
@ -45,10 +43,6 @@ public class MQTTInterceptorPropertiesTest extends MQTTTestSupport {
Field sessions = MQTTSession.class.getDeclaredField("SESSIONS");
sessions.setAccessible(true);
sessions.set(null, new ConcurrentHashMap<>());
Field connectedClients = MQTTConnectionManager.class.getDeclaredField("CONNECTED_CLIENTS");
connectedClients.setAccessible(true);
connectedClients.set(null, new ConcurrentHashSet<>());
super.setUp();
}

205
tests/integration-tests/src/test/java/org/apache/activemq/artemis/tests/integration/mqtt/imported/MQTTTest.java
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@ -36,19 +36,20 @@ import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
import java.util.regex.Pattern;
import org.apache.activemq.artemis.api.core.RoutingType;
import org.apache.activemq.artemis.api.core.SimpleString;
import org.apache.activemq.artemis.core.config.Configuration;
import org.apache.activemq.artemis.core.config.CoreAddressConfiguration;
import org.apache.activemq.artemis.core.config.CoreQueueConfiguration;
import org.apache.activemq.artemis.core.protocol.mqtt.MQTTConnectionManager;
import org.apache.activemq.artemis.core.protocol.mqtt.MQTTSession;
import org.apache.activemq.artemis.core.protocol.mqtt.MQTTUtil;
import org.apache.activemq.artemis.core.server.ActiveMQServer;
import org.apache.activemq.artemis.core.server.Queue;
import org.apache.activemq.artemis.core.server.impl.AddressInfo;
import org.apache.activemq.artemis.tests.util.Wait;
import org.apache.activemq.artemis.utils.collections.ConcurrentHashSet;
import org.apache.activemq.transport.amqp.client.AmqpClient;
import org.apache.activemq.transport.amqp.client.AmqpConnection;
import org.apache.activemq.transport.amqp.client.AmqpMessage;
@ -56,7 +57,6 @@ import org.apache.activemq.transport.amqp.client.AmqpSender;
import org.apache.activemq.transport.amqp.client.AmqpSession;
import org.fusesource.mqtt.client.BlockingConnection;
import org.fusesource.mqtt.client.MQTT;
import org.fusesource.mqtt.client.MQTTException;
import org.fusesource.mqtt.client.Message;
import org.fusesource.mqtt.client.QoS;
import org.fusesource.mqtt.client.Topic;
@ -85,12 +85,7 @@ public class MQTTTest extends MQTTTestSupport {
Field sessions = MQTTSession.class.getDeclaredField("SESSIONS");
sessions.setAccessible(true);
sessions.set(null, new ConcurrentHashMap<>());
Field connectedClients = MQTTConnectionManager.class.getDeclaredField("CONNECTED_CLIENTS");
connectedClients.setAccessible(true);
connectedClients.set(null, new ConcurrentHashSet<>());
super.setUp();
}
@Test
@ -847,26 +842,14 @@ public class MQTTTest extends MQTTTestSupport {
// publish non-retained message
connection.publish(TOPIC, TOPIC.getBytes(), QoS.EXACTLY_ONCE, false);
Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisfied() throws Exception {
return publishList.size() == 2;
}
}, 5000);
assertEquals(2, publishList.size());
assertTrue(Wait.waitFor(() -> publishList.size() == 2, 5000));
connection.disconnect();
connection = mqtt.blockingConnection();
connection.connect();
Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisfied() throws Exception {
return publishList.size() == 4;
}
}, 5000);
assertEquals(4, publishList.size());
assertTrue(Wait.waitFor(() -> publishList.size() == 4, 5000));
// TODO Investigate if receiving the same ID for overlapping subscriptions is actually spec compliant.
// In Artemis we send a new ID for every copy of the message.
@ -1023,12 +1006,7 @@ public class MQTTTest extends MQTTTestSupport {
final BlockingConnection connection = mqtt.blockingConnection();
connection.connect();
Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisfied() throws Exception {
return connection.isConnected();
}
});
Wait.waitFor(() -> connection.isConnected());
final String TOPIC = "TopicA";
final byte[] qos = connection.subscribe(new Topic[]{new Topic(TOPIC, QoS.EXACTLY_ONCE)});
@ -1042,12 +1020,7 @@ public class MQTTTest extends MQTTTestSupport {
final BlockingConnection newConnection = mqtt.blockingConnection();
newConnection.connect();
Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisfied() throws Exception {
return newConnection.isConnected();
}
});
Wait.waitFor(() -> newConnection.isConnected());
assertEquals(QoS.EXACTLY_ONCE.ordinal(), qos[0]);
Message msg = newConnection.receive(1000, TimeUnit.MILLISECONDS);
@ -1069,12 +1042,7 @@ public class MQTTTest extends MQTTTestSupport {
final BlockingConnection connection = mqtt.blockingConnection();
connection.connect();
Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisfied() throws Exception {
return connection.isConnected();
}
});
Wait.waitFor(() -> connection.isConnected());
MQTT mqtt2 = createMQTTConnection("2", false);
BlockingConnection connection2 = mqtt2.blockingConnection();
@ -1103,12 +1071,7 @@ public class MQTTTest extends MQTTTestSupport {
final BlockingConnection connection = mqtt.blockingConnection();
connection.connect();
Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisfied() throws Exception {
return connection.isConnected();
}
});
Wait.waitFor(() -> connection.isConnected());
// kill transport
connection.kill();
@ -1281,13 +1244,7 @@ public class MQTTTest extends MQTTTestSupport {
final BlockingConnection connection = mqtt.blockingConnection();
connection.connect();
assertTrue("KeepAlive didn't work properly", Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisfied() throws Exception {
return connection.isConnected();
}
}));
assertTrue("KeepAlive didn't work properly", Wait.waitFor(() -> connection.isConnected()));
connection.disconnect();
}
@ -1304,13 +1261,7 @@ public class MQTTTest extends MQTTTestSupport {
final BlockingConnection connection = mqtt.blockingConnection();
connection.connect();
assertTrue("KeepAlive didn't work properly", Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisfied() throws Exception {
return connection.isConnected();
}
}));
assertTrue("KeepAlive didn't work properly", Wait.waitFor(() -> connection.isConnected()));
connection.disconnect();
}
@ -1355,11 +1306,8 @@ public class MQTTTest extends MQTTTestSupport {
connection.disconnect();
}
@Ignore
@Test(timeout = 60 * 1000)
// TODO We currently do not support link stealing. This needs to be enabled for this test to pass.
public void testDuplicateClientId() throws Exception {
// test link stealing enabled by default
final String clientId = "duplicateClient";
MQTT mqtt = createMQTTConnection(clientId, false);
mqtt.setKeepAlive((short) 2);
@ -1373,47 +1321,41 @@ public class MQTTTest extends MQTTTestSupport {
final BlockingConnection connection1 = mqtt1.blockingConnection();
connection1.connect();
assertTrue("Duplicate client disconnected", Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisfied() throws Exception {
return connection1.isConnected();
}
}));
assertTrue("Duplicate client disconnected", Wait.waitFor(() -> connection1.isConnected()));
assertTrue("Old client still connected", Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisfied() throws Exception {
return !connection.isConnected();
}
}));
assertTrue("Old client still connected", Wait.waitFor(() -> !connection.isConnected()));
connection1.publish(TOPICA, TOPICA.getBytes(), QoS.EXACTLY_ONCE, true);
connection1.disconnect();
// disable link stealing
stopBroker();
protocolConfig = "allowLinkStealing=false";
startBroker();
mqtt = createMQTTConnection(clientId, false);
mqtt.setKeepAlive((short) 2);
final BlockingConnection connection2 = mqtt.blockingConnection();
connection2.connect();
connection2.publish(TOPICA, TOPICA.getBytes(), QoS.EXACTLY_ONCE, true);
mqtt1 = createMQTTConnection(clientId, false);
mqtt1.setKeepAlive((short) 2);
final BlockingConnection connection3 = mqtt1.blockingConnection();
try {
connection3.connect();
fail("Duplicate client connected");
} catch (Exception e) {
// ignore
}
assertTrue("Old client disconnected", connection2.isConnected());
connection2.publish(TOPICA, TOPICA.getBytes(), QoS.EXACTLY_ONCE, true);
connection2.disconnect();
@Test(timeout = 60 * 1000)
public void testRepeatedLinkStealing() throws Exception {
final String clientId = "duplicateClient";
final AtomicReference<BlockingConnection> oldConnection = new AtomicReference<>();
final String TOPICA = "TopicA";
for (int i = 1; i <= 10; ++i) {
LOG.info("Creating MQTT Connection {}", i);
MQTT mqtt = createMQTTConnection(clientId, false);
mqtt.setKeepAlive((short) 2);
final BlockingConnection connection = mqtt.blockingConnection();
connection.connect();
connection.publish(TOPICA, TOPICA.getBytes(), QoS.EXACTLY_ONCE, true);
assertTrue("Client connect failed for attempt: " + i, Wait.waitFor(() -> connection.isConnected(), 3000, 200));
if (oldConnection.get() != null) {
assertTrue("Old client still connected on attempt: " + i, Wait.waitFor(() -> !oldConnection.get().isConnected(), 3000, 200));
}
oldConnection.set(connection);
}
oldConnection.get().publish(TOPICA, TOPICA.getBytes(), QoS.EXACTLY_ONCE, true);
oldConnection.get().disconnect();
}
@Test(timeout = 30 * 10000)
@ -1569,13 +1511,7 @@ public class MQTTTest extends MQTTTestSupport {
final BlockingConnection connection = mqtt.blockingConnection();
connection.connect();
assertTrue("KeepAlive didn't work properly", Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisfied() throws Exception {
return connection.isConnected();
}
}));
assertTrue("KeepAlive didn't work properly", Wait.waitFor(() -> connection.isConnected()));
}
@Test(timeout = 60 * 1000)
@ -1767,13 +1703,7 @@ public class MQTTTest extends MQTTTestSupport {
mqtt.setKeepAlive((short) 2);
final BlockingConnection connection = mqtt.blockingConnection();
connection.connect();
assertTrue("KeepAlive didn't work properly", Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisfied() throws Exception {
return connection.isConnected();
}
}));
assertTrue("KeepAlive didn't work properly", Wait.waitFor(() -> connection.isConnected()));
connection.disconnect();
}
@ -1974,20 +1904,47 @@ public class MQTTTest extends MQTTTestSupport {
}
@Test
public void testDuplicateIDReturnsError() throws Exception {
String clientId = "clientId";
MQTT mqtt = createMQTTConnection();
mqtt.setClientId(clientId);
mqtt.blockingConnection().connect();
public void testDoubleBroker() throws Exception {
/*
* Start two embedded server instances for MQTT and connect to them
* with the same MQTT client id. As those are two different instances
* connecting to them with the same client ID must succeed.
*/
final int port1 = 1884;
final int port2 = 1885;
final Configuration cfg1 = createDefaultConfig(1, false);
cfg1.addAcceptorConfiguration("mqtt1", "tcp://localhost:" + port1 + "?protocols=MQTT");
final Configuration cfg2 = createDefaultConfig(2, false);
cfg2.addAcceptorConfiguration("mqtt2", "tcp://localhost:" + port2 + "?protocols=MQTT");
final ActiveMQServer server1 = createServer(cfg1);
server1.start();
final ActiveMQServer server2 = createServer(cfg2);
server2.start();
final String clientId = "client1";
final MQTT mqtt1 = createMQTTConnection(clientId, true);
final MQTT mqtt2 = createMQTTConnection(clientId, true);
mqtt1.setHost("localhost", port1);
mqtt2.setHost("localhost", port2);
final BlockingConnection connection1 = mqtt1.blockingConnection();
final BlockingConnection connection2 = mqtt2.blockingConnection();
MQTTException e = null;
try {
MQTT mqtt2 = createMQTTConnection();
mqtt2.setClientId(clientId);
mqtt2.blockingConnection().connect();
} catch (MQTTException mqttE) {
e = mqttE;
connection1.connect();
connection2.connect();
} catch (Exception e) {
fail("Connections should have worked.");
} finally {
if (connection1.isConnected())
connection1.disconnect();
if (connection2.isConnected())
connection2.disconnect();
}
assertTrue(e.getMessage().contains("CONNECTION_REFUSED_IDENTIFIER_REJECTED"));
}
}

20
tests/integration-tests/src/test/java/org/apache/activemq/artemis/tests/integration/plugin/MqttPluginTest.java
View File

@ -16,20 +16,14 @@
*/
package org.apache.activemq.artemis.tests.integration.plugin;
import java.lang.reflect.Field;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.activemq.artemis.core.protocol.mqtt.MQTTConnectionManager;
import org.apache.activemq.artemis.core.protocol.mqtt.MQTTSession;
import org.apache.activemq.artemis.tests.integration.mqtt.imported.MQTTClientProvider;
import org.apache.activemq.artemis.tests.integration.mqtt.imported.MQTTTestSupport;
import org.apache.activemq.artemis.utils.collections.ConcurrentHashSet;
import org.junit.Before;
import org.junit.Test;
import static org.apache.activemq.artemis.tests.integration.plugin.MethodCalledVerifier.AFTER_CLOSE_CONSUMER;
@ -61,20 +55,6 @@ public class MqttPluginTest extends MQTTTestSupport {
private final Map<String, AtomicInteger> methodCalls = new HashMap<>();
private final MethodCalledVerifier verifier = new MethodCalledVerifier(methodCalls);
@Override
@Before
public void setUp() throws Exception {
Field sessions = MQTTSession.class.getDeclaredField("SESSIONS");
sessions.setAccessible(true);
sessions.set(null, new ConcurrentHashMap<>());
Field connectedClients = MQTTConnectionManager.class.getDeclaredField("CONNECTED_CLIENTS");
connectedClients.setAccessible(true);
connectedClients.set(null, new ConcurrentHashSet<>());
super.setUp();
}
@Override
public void configureBroker() throws Exception {
super.configureBroker();

4
tests/integration-tests/src/test/java/org/apache/activemq/artemis/tests/util/Wait.java
View File

@ -40,10 +40,10 @@ public class Wait {
}
public static boolean waitFor(final Condition condition,
final long duration,
final long durationMillis,
final long sleepMillis) throws Exception {
final long expiry = System.currentTimeMillis() + duration;
final long expiry = System.currentTimeMillis() + durationMillis;
boolean conditionSatisified = condition.isSatisfied();
while (!conditionSatisified && System.currentTimeMillis() < expiry) {
TimeUnit.MILLISECONDS.sleep(sleepMillis);