// backup node becomes live
public synchronized void activate() {
if (backup) {
backup = false;
for (BroadcastGroup broadcastGroup : broadcastGroups.values()) {
try {
broadcastGroup.start();
broadcastGroup.activate();
} catch (Exception e) {
log.warn("unable to start broadcast group " + broadcastGroup.getName(), e);
}
}
for (ClusterConnection clusterConnection : clusterConnections.values()) {
try {
clusterConnection.activate();
} catch (Exception e) {
log.warn("unable to start cluster connection " + clusterConnection.getName(), e);
}
}
for (Bridge bridge : bridges.values()) {
try {
bridge.start();
} catch (Exception e) {
log.warn("unable to start bridge " + bridge.getName(), e);
}
}
}
}
public void destroyBridge(final String name) throws Exception {
Bridge bridge;
synchronized (this) {
bridge = bridges.remove(name);
if (bridge != null) {
bridge.stop();
managementService.unregisterBridge(name);
}
}
if (bridge != null) {
bridge.flushExecutor();
}
}
// for testing
public void clear() {
for (Bridge bridge : bridges.values()) {
try {
bridge.stop();
} catch (Exception e) {
log.warn(e.getMessage(), e);
}
}
bridges.clear();
for (ClusterConnection clusterConnection : clusterConnections.values()) {
try {
clusterConnection.stop();
} catch (Exception e) {
e.printStackTrace();
}
}
clearClusterConnections();
}
public void stop() throws Exception {
synchronized (this) {
if (!started) {
return;
}
if (clustered) {
for (BroadcastGroup group : broadcastGroups.values()) {
group.stop();
managementService.unregisterBroadcastGroup(group.getName());
}
broadcastGroups.clear();
for (ClusterConnection clusterConnection : clusterConnections.values()) {
clusterConnection.stop();
managementService.unregisterCluster(clusterConnection.getName().toString());
}
}
for (Bridge bridge : bridges.values()) {
bridge.stop();
managementService.unregisterBridge(bridge.getName().toString());
}
bridges.clear();
}
for (ServerLocatorInternal clusterLocator : clusterLocators) {
try {
clusterLocator.close();
} catch (Exception e) {
log.warn(
"Error closing serverLocator=" + clusterLocator + ", message=" + e.getMessage(), e);
}
}
clusterLocators.clear();
started = false;
clearClusterConnections();
}
public synchronized void deployBridge(final BridgeConfiguration config, final boolean start)
throws Exception {
if (config.getName() == null) {
ClusterManagerImpl.log.warn(
"Must specify a unique name for each bridge. This one will not be deployed.");
return;
}
if (config.getQueueName() == null) {
ClusterManagerImpl.log.warn(
"Must specify a queue name for each bridge. This one will not be deployed.");
return;
}
if (config.getForwardingAddress() == null) {
ClusterManagerImpl.log.debug(
"Forward address is not specified. Will use original message address instead");
}
if (bridges.containsKey(config.getName())) {
ClusterManagerImpl.log.warn(
"There is already a bridge with name "
+ config.getName()
+ " deployed. This one will not be deployed.");
return;
}
Transformer transformer = instantiateTransformer(config.getTransformerClassName());
Binding binding = postOffice.getBinding(new SimpleString(config.getQueueName()));
if (binding == null) {
ClusterManagerImpl.log.warn(
"No queue found with name " + config.getQueueName() + " bridge will not be deployed.");
return;
}
Queue queue = (Queue) binding.getBindable();
ServerLocatorInternal serverLocator;
if (config.getDiscoveryGroupName() != null) {
DiscoveryGroupConfiguration discoveryGroupConfiguration =
configuration.getDiscoveryGroupConfigurations().get(config.getDiscoveryGroupName());
if (discoveryGroupConfiguration == null) {
ClusterManagerImpl.log.warn(
"No discovery group configured with name '"
+ config.getDiscoveryGroupName()
+ "'. The bridge will not be deployed.");
return;
}
if (config.isHA()) {
serverLocator =
(ServerLocatorInternal)
HornetQClient.createServerLocatorWithHA(discoveryGroupConfiguration);
} else {
serverLocator =
(ServerLocatorInternal)
HornetQClient.createServerLocatorWithoutHA(discoveryGroupConfiguration);
}
} else {
TransportConfiguration[] tcConfigs = connectorNameListToArray(config.getStaticConnectors());
if (tcConfigs == null) {
return;
}
if (config.isHA()) {
serverLocator = (ServerLocatorInternal) HornetQClient.createServerLocatorWithHA(tcConfigs);
} else {
serverLocator =
(ServerLocatorInternal) HornetQClient.createServerLocatorWithoutHA(tcConfigs);
}
}
serverLocator.setConfirmationWindowSize(config.getConfirmationWindowSize());
// We are going to manually retry on the bridge in case of failure
serverLocator.setReconnectAttempts(0);
serverLocator.setInitialConnectAttempts(-1);
serverLocator.setRetryInterval(config.getRetryInterval());
serverLocator.setMaxRetryInterval(config.getMaxRetryInterval());
serverLocator.setRetryIntervalMultiplier(config.getRetryIntervalMultiplier());
serverLocator.setClientFailureCheckPeriod(config.getClientFailureCheckPeriod());
serverLocator.setBlockOnDurableSend(!config.isUseDuplicateDetection());
serverLocator.setBlockOnNonDurableSend(!config.isUseDuplicateDetection());
serverLocator.setMinLargeMessageSize(config.getMinLargeMessageSize());
// disable flow control
serverLocator.setProducerWindowSize(-1);
// This will be set to 30s unless it's changed from embedded / testing
// there is no reason to exception the config for this timeout
// since the Bridge is supposed to be non-blocking and fast
// We may expose this if we find a good use case
serverLocator.setCallTimeout(config.getCallTimeout());
if (!config.isUseDuplicateDetection()) {
log.debug(
"Bridge "
+ config.getName()
+ " is configured to not use duplicate detecion, it will send messages synchronously");
}
clusterLocators.add(serverLocator);
Bridge bridge =
new BridgeImpl(
serverLocator,
config.getReconnectAttempts(),
config.getRetryInterval(),
config.getRetryIntervalMultiplier(),
config.getMaxRetryInterval(),
nodeUUID,
new SimpleString(config.getName()),
queue,
executorFactory.getExecutor(),
SimpleString.toSimpleString(config.getFilterString()),
SimpleString.toSimpleString(config.getForwardingAddress()),
scheduledExecutor,
transformer,
config.isUseDuplicateDetection(),
config.getUser(),
config.getPassword(),
!backup,
server.getStorageManager());
bridges.put(config.getName(), bridge);
managementService.registerBridge(bridge, config);
if (start) {
bridge.start();
}
}
@Test
public void testStartStop() throws Exception {
Map<String, Object> server0Params = new HashMap<String, Object>();
HornetQServer server0 = createClusteredServerWithParams(isNetty(), 0, true, server0Params);
Map<String, Object> server1Params = new HashMap<String, Object>();
if (isNetty()) {
server1Params.put(
"port", org.hornetq.core.remoting.impl.netty.TransportConstants.DEFAULT_PORT + 1);
} else {
server1Params.put(TransportConstants.SERVER_ID_PROP_NAME, 1);
}
HornetQServer server1 = createClusteredServerWithParams(isNetty(), 1, true, server1Params);
ServerLocator locator = null;
try {
final String testAddress = "testAddress";
final String queueName0 = "queue0";
final String forwardAddress = "forwardAddress";
final String queueName1 = "queue1";
Map<String, TransportConfiguration> connectors =
new HashMap<String, TransportConfiguration>();
TransportConfiguration server0tc = new TransportConfiguration(getConnector(), server0Params);
TransportConfiguration server1tc = new TransportConfiguration(getConnector(), server1Params);
connectors.put(server1tc.getName(), server1tc);
server0.getConfiguration().setConnectorConfigurations(connectors);
ArrayList<String> staticConnectors = new ArrayList<String>();
staticConnectors.add(server1tc.getName());
final String bridgeName = "bridge1";
BridgeConfiguration bridgeConfiguration =
new BridgeConfiguration()
.setName(bridgeName)
.setQueueName(queueName0)
.setForwardingAddress(forwardAddress)
.setRetryInterval(1000)
.setReconnectAttempts(0)
.setReconnectAttemptsOnSameNode(0)
.setConfirmationWindowSize(1024)
.setStaticConnectors(staticConnectors);
List<BridgeConfiguration> bridgeConfigs = new ArrayList<BridgeConfiguration>();
bridgeConfigs.add(bridgeConfiguration);
server0.getConfiguration().setBridgeConfigurations(bridgeConfigs);
CoreQueueConfiguration queueConfig0 =
new CoreQueueConfiguration().setAddress(testAddress).setName(queueName0);
List<CoreQueueConfiguration> queueConfigs0 = new ArrayList<CoreQueueConfiguration>();
queueConfigs0.add(queueConfig0);
server0.getConfiguration().setQueueConfigurations(queueConfigs0);
CoreQueueConfiguration queueConfig1 =
new CoreQueueConfiguration().setAddress(forwardAddress).setName(queueName1);
List<CoreQueueConfiguration> queueConfigs1 = new ArrayList<CoreQueueConfiguration>();
queueConfigs1.add(queueConfig1);
server1.getConfiguration().setQueueConfigurations(queueConfigs1);
server1.start();
waitForServer(server1);
server0.start();
waitForServer(server0);
locator = HornetQClient.createServerLocatorWithoutHA(server0tc, server1tc);
ClientSessionFactory sf0 = locator.createSessionFactory(server0tc);
ClientSessionFactory sf1 = locator.createSessionFactory(server1tc);
ClientSession session0 = sf0.createSession(false, true, true);
ClientSession session1 = sf1.createSession(false, true, true);
ClientProducer producer0 = session0.createProducer(new SimpleString(testAddress));
ClientConsumer consumer1 = session1.createConsumer(queueName1);
session1.start();
final int numMessages = 10;
final SimpleString propKey = new SimpleString("testkey");
for (int i = 0; i < numMessages; i++) {
ClientMessage message = session0.createMessage(false);
message.putIntProperty(propKey, i);
producer0.send(message);
}
for (int i = 0; i < numMessages; i++) {
ClientMessage message = consumer1.receive(200);
Assert.assertNotNull(message);
Assert.assertEquals(i, message.getObjectProperty(propKey));
message.acknowledge();
}
Assert.assertNull(consumer1.receiveImmediate());
Bridge bridge = server0.getClusterManager().getBridges().get(bridgeName);
bridge.stop();
bridge.flushExecutor();
for (int i = 0; i < numMessages; i++) {
ClientMessage message = session0.createMessage(false);
message.putIntProperty(propKey, i);
producer0.send(message);
}
Assert.assertNull(consumer1.receiveImmediate());
bridge.start();
for (int i = 0; i < numMessages; i++) {
ClientMessage message = consumer1.receive(1000);
Assert.assertNotNull(message);
Assert.assertEquals(i, message.getObjectProperty(propKey));
message.acknowledge();
}
Assert.assertNull(consumer1.receiveImmediate());
session0.close();
session1.close();
sf0.close();
sf1.close();
} finally {
if (locator != null) {
locator.close();
}
server0.stop();
server1.stop();
}
}
