@Override
public void stop() throws Exception {
if (stopping) {
return;
}
stopping = true;
if (logger.isDebugEnabled()) {
logger.debug("Bridge " + this.name + " being stopped");
}
if (futureScheduledReconnection != null) {
futureScheduledReconnection.cancel(true);
}
executor.execute(new StopRunnable());
if (notificationService != null) {
TypedProperties props = new TypedProperties();
props.putSimpleStringProperty(new SimpleString("name"), name);
Notification notification =
new Notification(nodeUUID.toString(), CoreNotificationType.BRIDGE_STOPPED, props);
try {
notificationService.sendNotification(notification);
} catch (Exception e) {
ActiveMQServerLogger.LOGGER.broadcastBridgeStoppedError(e);
}
}
}
@Override
public void connectionFailed(
final ActiveMQException me, boolean failedOver, String scaleDownTargetNodeID) {
ActiveMQServerLogger.LOGGER.bridgeConnectionFailed(failedOver);
synchronized (connectionGuard) {
keepConnecting = true;
}
try {
if (producer != null) {
producer.close();
}
cleanUpSessionFactory(csf);
} catch (Throwable dontCare) {
}
try {
session.cleanUp(false);
} catch (Throwable dontCare) {
}
if (scaleDownTargetNodeID != null && !scaleDownTargetNodeID.equals(nodeUUID.toString())) {
synchronized (this) {
try {
logger.debug(
"Moving "
+ queue.getMessageCount()
+ " messages from "
+ queue.getName()
+ " to "
+ scaleDownTargetNodeID);
((QueueImpl) queue)
.moveReferencesBetweenSnFQueues(SimpleString.toSimpleString(scaleDownTargetNodeID));
// stop the bridge from trying to reconnect and clean up all the bindings
fail(true);
} catch (Exception e) {
ActiveMQServerLogger.LOGGER.warn(e.getMessage(), e);
}
}
} else if (scaleDownTargetNodeID != null) {
// the disconnected node is scaling down to me, no need to reconnect to it
logger.debug(
"Received scaleDownTargetNodeID: " + scaleDownTargetNodeID + "; cancelling reconnect.");
fail(true);
} else {
logger.debug("Received invalid scaleDownTargetNodeID: " + scaleDownTargetNodeID);
fail(me.getType() == ActiveMQExceptionType.DISCONNECTED);
}
tryScheduleRetryReconnect(me.getType());
}
public static final byte[] getDuplicateBytes(final UUID nodeUUID, final long messageID) {
byte[] bytes = new byte[24];
ByteBuffer bb = ByteBuffer.wrap(bytes);
bb.put(nodeUUID.asBytes());
bb.putLong(messageID);
return bytes;
}
@Override
public String sendMessage(
final Map<String, String> headers,
final int type,
final String body,
final String userID,
boolean durable,
final String user,
final String password)
throws Exception {
securityStore.check(
queue.getAddress(),
CheckType.SEND,
new SecurityAuth() {
@Override
public String getUsername() {
return user;
}
@Override
public String getPassword() {
return password;
}
@Override
public RemotingConnection getRemotingConnection() {
return null;
}
});
ServerMessageImpl message = new ServerMessageImpl(storageManager.generateID(), 50);
for (String header : headers.keySet()) {
message.putStringProperty(new SimpleString(header), new SimpleString(headers.get(header)));
}
message.setType((byte) type);
message.setDurable(durable);
message.setTimestamp(System.currentTimeMillis());
message.setUserID(new UUID(UUID.TYPE_TIME_BASED, UUID.stringToBytes(userID)));
if (body != null) {
message.getBodyBuffer().writeBytes(Base64.decode(body));
}
message.setAddress(queue.getAddress());
postOffice.route(message, null, true);
return "" + message.getMessageID();
}
@Override
public void pause() throws Exception {
if (logger.isDebugEnabled()) {
logger.debug("Bridge " + this.name + " being paused");
}
executor.execute(new PauseRunnable());
if (notificationService != null) {
TypedProperties props = new TypedProperties();
props.putSimpleStringProperty(new SimpleString("name"), name);
Notification notification =
new Notification(nodeUUID.toString(), CoreNotificationType.BRIDGE_STOPPED, props);
try {
notificationService.sendNotification(notification);
} catch (Exception e) {
ActiveMQServerLogger.LOGGER.notificationBridgeStoppedError(e);
}
}
}
@Override
public synchronized void start() throws Exception {
if (started) {
return;
}
started = true;
stopping = false;
activate();
if (notificationService != null) {
TypedProperties props = new TypedProperties();
props.putSimpleStringProperty(new SimpleString("name"), name);
Notification notification =
new Notification(nodeUUID.toString(), CoreNotificationType.BRIDGE_STARTED, props);
notificationService.sendNotification(notification);
}
}
/* This is called only when the bridge is activated */
protected void connect() {
if (stopping) return;
synchronized (connectionGuard) {
if (!keepConnecting) return;
logger.debug(
"Connecting "
+ this
+ " to its destination ["
+ nodeUUID.toString()
+ "], csf="
+ this.csf);
retryCount++;
try {
if (csf == null || csf.isClosed()) {
if (stopping) return;
csf = createSessionFactory();
if (csf == null) {
// Retrying. This probably means the node is not available (for the cluster connection
// case)
scheduleRetryConnect();
return;
}
// Session is pre-acknowledge
session =
(ClientSessionInternal) csf.createSession(user, password, false, true, true, true, 1);
sessionConsumer =
(ClientSessionInternal) csf.createSession(user, password, false, true, true, true, 1);
}
if (forwardingAddress != null) {
ClientSession.AddressQuery query = null;
try {
query = session.addressQuery(forwardingAddress);
} catch (Throwable e) {
ActiveMQServerLogger.LOGGER.errorQueryingBridge(e, name);
// This was an issue during startup, we will not count this retry
retryCount--;
scheduleRetryConnectFixedTimeout(100);
return;
}
if (forwardingAddress.startsWith(BridgeImpl.JMS_QUEUE_ADDRESS_PREFIX)
|| forwardingAddress.startsWith(BridgeImpl.JMS_TOPIC_ADDRESS_PREFIX)) {
if (!query.isExists()) {
ActiveMQServerLogger.LOGGER.errorQueryingBridge(forwardingAddress, retryCount);
scheduleRetryConnect();
return;
}
} else {
if (!query.isExists()) {
ActiveMQServerLogger.LOGGER.bridgeNoBindings(
getName(), getForwardingAddress(), getForwardingAddress());
}
}
}
producer = session.createProducer();
session.addFailureListener(BridgeImpl.this);
session.setSendAcknowledgementHandler(BridgeImpl.this);
afterConnect();
active = true;
queue.addConsumer(BridgeImpl.this);
queue.deliverAsync();
ActiveMQServerLogger.LOGGER.bridgeConnected(this);
// We only do this on plain core bridges
if (isPlainCoreBridge()) {
serverLocator.addClusterTopologyListener(new TopologyListener());
}
keepConnecting = false;
return;
} catch (ActiveMQException e) {
// the session was created while its server was starting, retry it:
if (e.getType() == ActiveMQExceptionType.SESSION_CREATION_REJECTED) {
ActiveMQServerLogger.LOGGER.errorStartingBridge(name);
// We are not going to count this one as a retry
retryCount--;
scheduleRetryConnectFixedTimeout(this.retryInterval);
return;
} else {
if (logger.isDebugEnabled()) {
logger.debug("Bridge " + this + " is unable to connect to destination. Retrying", e);
}
scheduleRetryConnect();
}
} catch (ActiveMQInterruptedException | InterruptedException e) {
ActiveMQServerLogger.LOGGER.errorConnectingBridge(e, this);
} catch (Exception e) {
ActiveMQServerLogger.LOGGER.errorConnectingBridge(e, this);
if (csf != null) {
try {
csf.close();
csf = null;
} catch (Throwable ignored) {
}
}
fail(false);
scheduleRetryConnect();
}
}
}
