mirror of https://github.com/apache/activemq.git
Fixed Network Connection failure recovery.
http://issues.apache.org/activemq/browse/AMQ-802 http://issues.apache.org/activemq/browse/AMQ-805 git-svn-id: https://svn.apache.org/repos/asf/incubator/activemq/trunk@420723 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Hiram R. Chirino
parent
75fde7165e
commit
ad2546fa8d
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@ -53,9 +53,6 @@ public class DemandForwardingBridge extends DemandForwardingBridgeSupport {
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ServiceSupport.dispose(this);
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}
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}
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if (!disposed){
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triggerLocalStartBridge();
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}
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}
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}
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@ -70,14 +70,14 @@ public abstract class DemandForwardingBridgeSupport implements Bridge {
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protected static final Log log = LogFactory.getLog(DemandForwardingBridge.class);
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protected final Transport localBroker;
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protected final Transport remoteBroker;
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protected IdGenerator idGenerator = new IdGenerator();
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protected LongSequenceGenerator consumerIdGenerator = new LongSequenceGenerator();
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protected final IdGenerator idGenerator = new IdGenerator();
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protected final LongSequenceGenerator consumerIdGenerator = new LongSequenceGenerator();
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protected ConnectionInfo localConnectionInfo;
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protected ConnectionInfo remoteConnectionInfo;
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protected SessionInfo localSessionInfo;
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protected ProducerInfo producerInfo;
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protected String localBrokerName;
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protected String remoteBrokerName;
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protected String localBrokerName = "Unknown";
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protected String remoteBrokerName = "Unknown";
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protected String localClientId;
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protected String userName;
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protected String password;
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@ -87,22 +87,22 @@ public abstract class DemandForwardingBridgeSupport implements Bridge {
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protected String name = "bridge";
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protected ConsumerInfo demandConsumerInfo;
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protected int demandConsumerDispatched;
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protected AtomicBoolean localBridgeStarted = new AtomicBoolean(false);
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protected AtomicBoolean remoteBridgeStarted = new AtomicBoolean(false);
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protected final AtomicBoolean localBridgeStarted = new AtomicBoolean(false);
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protected final AtomicBoolean remoteBridgeStarted = new AtomicBoolean(false);
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protected boolean disposed = false;
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protected BrokerId localBrokerId;
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protected ActiveMQDestination[] excludedDestinations;
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protected ActiveMQDestination[] dynamicallyIncludedDestinations;
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protected ActiveMQDestination[] staticallyIncludedDestinations;
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protected ActiveMQDestination[] durableDestinations;
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protected ConcurrentHashMap subscriptionMapByLocalId = new ConcurrentHashMap();
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protected ConcurrentHashMap subscriptionMapByRemoteId = new ConcurrentHashMap();
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protected final ConcurrentHashMap subscriptionMapByLocalId = new ConcurrentHashMap();
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protected final ConcurrentHashMap subscriptionMapByRemoteId = new ConcurrentHashMap();
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protected final BrokerId localBrokerPath[] = new BrokerId[] { null };
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protected CountDownLatch startedLatch = new CountDownLatch(2);
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protected boolean decreaseNetworkConsumerPriority;
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protected boolean shutDown;
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protected int networkTTL = 1;
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protected final AtomicBoolean remoteInterupted = new AtomicBoolean(false);
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protected final AtomicBoolean lastConnectSucceeded = new AtomicBoolean(false);
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public DemandForwardingBridgeSupport(final Transport localBroker, final Transport remoteBroker) {
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@ -111,7 +111,6 @@ public abstract class DemandForwardingBridgeSupport implements Bridge {
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}
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public void start() throws Exception {
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log.info("Starting a network connection between "+localBroker+" and "+remoteBroker+" has been established.");
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localBroker.setTransportListener(new DefaultTransportListener(){
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public void onCommand(Command command){
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serviceLocalCommand(command);
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@ -130,16 +129,23 @@ public abstract class DemandForwardingBridgeSupport implements Bridge {
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serviceRemoteException(error);
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}
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public synchronized void transportInterupted(){
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public void transportInterupted(){
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//clear any subscriptions - to try and prevent the bridge from stalling the broker
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if( remoteInterupted.compareAndSet(false, true) ) {
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log.warn("Outbound transport to " + remoteBrokerName + " interrupted ...");
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log.debug("Outbound transport to " + remoteBrokerName + " interrupted.");
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if( localBridgeStarted.get() ) {
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clearDownSubscriptions();
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synchronized( DemandForwardingBridgeSupport.this ) {
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try{
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localBroker.oneway(localConnectionInfo.createRemoveCommand());
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}catch(IOException e){
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log.warn("Caught exception from local start",e);
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}
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}
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}
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localBridgeStarted.set(false);
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remoteBridgeStarted.set(false);
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startedLatch = new CountDownLatch(2);
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@ -147,35 +153,33 @@ public abstract class DemandForwardingBridgeSupport implements Bridge {
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}
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public synchronized void transportResumed(){
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public void transportResumed(){
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if( remoteInterupted.compareAndSet(true, false) ) {
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//restart and static subscriptions - the consumer advisories will be replayed
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log.info("Outbound transport to " + remoteBrokerName + " resumed");
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// try{
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// triggerLocalStartBridge();
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// }catch(IOException e){
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// log.warn("Caught exception from local start",e);
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// }
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try{
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// clear out the previous connection as it may have missed some consumer advisories.
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remoteBroker.oneway(remoteConnectionInfo.createRemoveCommand());
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triggerRemoteStartBridge();
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}catch(IOException e){
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log.warn("Caught exception from remote start",e);
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// We want to slow down false connects so that we don't get in a busy loop.
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// False connects can occurr if you using SSH tunnels.
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if( !lastConnectSucceeded.get() ) {
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try {
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log.debug("Previous connection was never fully established. Sleeping for second to avoid busy loop.");
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Thread.sleep(1000);
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} catch (InterruptedException e) {
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Thread.currentThread().interrupt();
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}
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}
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lastConnectSucceeded.set(false);
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log.debug("Outbound transport to " + remoteBrokerName + " resumed");
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}
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}
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});
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localBroker.start();
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remoteBroker.start();
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// triggerLocalStartBridge();
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try{
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triggerRemoteStartBridge();
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}catch(IOException e){
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log.warn("Caught exception from remote start",e);
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}
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}
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protected void triggerLocalStartBridge() throws IOException {
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@ -184,7 +188,7 @@ public abstract class DemandForwardingBridgeSupport implements Bridge {
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try{
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startLocalBridge();
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}catch(Exception e){
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log.error("Failed to start network bridge: "+e,e);
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serviceLocalException(e);
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}
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}
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};
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@ -197,7 +201,7 @@ public abstract class DemandForwardingBridgeSupport implements Bridge {
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try{
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startRemoteBridge();
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}catch(Exception e){
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log.error("Failed to start network bridge: "+e,e);
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serviceRemoteException(e);
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}
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}
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};
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@ -206,7 +210,7 @@ public abstract class DemandForwardingBridgeSupport implements Bridge {
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protected void startLocalBridge() throws Exception {
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if(localBridgeStarted.compareAndSet(false,true)){
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synchronized( this ) {
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localConnectionInfo=new ConnectionInfo();
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localConnectionInfo.setConnectionId(new ConnectionId(idGenerator.generateId()));
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localClientId="NC_"+remoteBrokerName+"_inbound"+name;
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@ -220,13 +224,21 @@ public abstract class DemandForwardingBridgeSupport implements Bridge {
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log.info("Network connection between "+localBroker+" and "+remoteBroker+"("+remoteBrokerName
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+") has been established.");
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startedLatch.countDown();
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setupStaticDestinations();
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}
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}
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}
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protected void startRemoteBridge() throws Exception {
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if(remoteBridgeStarted.compareAndSet(false,true)){
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if(remoteBridgeStarted.compareAndSet(false,true)) {
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synchronized (this) {
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if( remoteConnectionInfo!=null ) {
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remoteBroker.oneway(remoteConnectionInfo.createRemoveCommand());
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}
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remoteConnectionInfo=new ConnectionInfo();
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remoteConnectionInfo.setConnectionId(new ConnectionId(idGenerator.generateId()));
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@ -259,39 +271,30 @@ public abstract class DemandForwardingBridgeSupport implements Bridge {
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destinationInfo.setPrefetchSize(prefetchSize);
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remoteBroker.oneway(destinationInfo);
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startedLatch.countDown();
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if (!disposed){
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triggerLocalStartBridge();
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}
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}
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}
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}
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public void stop() throws Exception {
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shutDown = true;
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doStop();
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}
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/**
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* stop the bridge
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* @throws Exception
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*/
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protected void doStop() throws Exception {
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log.debug(" stopping "+localBrokerName+ " bridge to " + remoteBrokerName + " is disposed already ? "+disposed);
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if(!disposed){
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try{
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disposed=true;
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if (!disposed) {
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try {
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disposed = true;
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remoteBridgeStarted.set(false);
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if(!shutDown){
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remoteBroker.oneway(new ShutdownInfo());
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if(localConnectionInfo!=null){
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localBroker.oneway(localConnectionInfo.createRemoveCommand());
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remoteBroker.oneway(remoteConnectionInfo.createRemoveCommand());
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}
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localBroker.oneway(new ShutdownInfo());
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}
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localBroker.setTransportListener(null);
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remoteBroker.setTransportListener(null);
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}catch(IOException e){
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log.debug("Caught exception stopping",e);
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}finally{
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ServiceStopper ss=new ServiceStopper();
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remoteBroker.oneway(new ShutdownInfo());
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} catch (IOException e) {
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log.debug("Caught exception stopping", e);
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} finally {
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ServiceStopper ss = new ServiceStopper();
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ss.stop(localBroker);
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ss.stop(remoteBroker);
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ss.throwFirstException();
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@ -300,27 +303,16 @@ public abstract class DemandForwardingBridgeSupport implements Bridge {
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log.debug(localBrokerName+ " bridge to " + remoteBrokerName + " stopped");
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}
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protected void doStopLocal(){
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try{
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if(!shutDown){
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if(localConnectionInfo!=null){
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localBroker.oneway(localConnectionInfo.createRemoveCommand());
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}
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localBroker.oneway(new ShutdownInfo());
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}
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localBroker.setTransportListener(null);
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}catch(IOException e){
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log.debug("Caught exception stopping",e);
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}finally{
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ServiceStopper ss=new ServiceStopper();
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ss.stop(localBroker);
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localBridgeStarted.set(false);
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}
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}
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protected void serviceRemoteException(Throwable error) {
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log.info("Network connection between "+localBroker+" and "+remoteBroker+" shutdown: "+error.getMessage(),error);
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ServiceSupport.dispose(this);
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if( !disposed ) {
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log.info("Network connection between "+localBroker+" and "+remoteBroker+" shutdown due to a remote error: "+error);
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log.debug("The remote Exception was: "+error, error);
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new Thread() {
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public void run() {
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ServiceSupport.dispose(DemandForwardingBridgeSupport.this);
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}
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}.start();
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}
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}
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protected void serviceRemoteCommand(Command command) {
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@ -336,7 +328,10 @@ public abstract class DemandForwardingBridgeSupport implements Bridge {
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demandConsumerDispatched=0;
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}
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}else if(command.isBrokerInfo()){
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lastConnectSucceeded.set(true);
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serviceRemoteBrokerInfo(command);
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}else if(command.getClass() == ConnectionError.class ) {
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ConnectionError ce = (ConnectionError) command;
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serviceRemoteException(ce.getException());
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@ -344,6 +339,7 @@ public abstract class DemandForwardingBridgeSupport implements Bridge {
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switch(command.getDataStructureType()){
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case KeepAliveInfo.DATA_STRUCTURE_TYPE:
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case WireFormatInfo.DATA_STRUCTURE_TYPE:
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case ShutdownInfo.DATA_STRUCTURE_TYPE:
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break;
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default:
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log.warn("Unexpected remote command: "+command);
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@ -413,7 +409,10 @@ public abstract class DemandForwardingBridgeSupport implements Bridge {
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ActiveMQTempDestination tempDest = (ActiveMQTempDestination) destInfo.getDestination();
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tempDest.setConnectionId(localSessionInfo.getSessionId().getConnectionId());
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}
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destInfo.setBrokerPath(appendToBrokerPath(destInfo.getBrokerPath(),getRemoteBrokerPath()));
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log.debug("Replying destination control command: "+destInfo);
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localBroker.oneway(destInfo);
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}
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@ -424,8 +423,15 @@ public abstract class DemandForwardingBridgeSupport implements Bridge {
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}
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protected void serviceLocalException(Throwable error) {
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log.info("Network connection between "+localBroker+" and "+remoteBroker+" shutdown: "+error.getMessage(),error);
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ServiceSupport.dispose(this);
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if( !disposed ) {
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log.info("Network connection between "+localBroker+" and "+remoteBroker+" shutdown due to a local error: "+error);
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log.debug("The local Exception was:"+error,error);
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new Thread() {
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public void run() {
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ServiceSupport.dispose(DemandForwardingBridgeSupport.this);
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}
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}.start();
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}
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}
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protected void addSubscription(DemandSubscription sub) throws IOException {
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@ -502,16 +508,6 @@ public abstract class DemandForwardingBridgeSupport implements Bridge {
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remoteBroker.asyncRequest(message, callback);
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}
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// Ack on every message since we don't know if the broker is blocked due to memory
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// usage and is waiting for an Ack to un-block him.
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// Acking a range is more efficient, but also more prone to locking up a server
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// Perhaps doing something like the following should be policy based.
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// int dispatched = sub.incrementDispatched();
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// if(dispatched>(sub.getLocalInfo().getPrefetchSize()*.75)){
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// localBroker.oneway(new MessageAck(md,MessageAck.STANDARD_ACK_TYPE,dispatched));
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// sub.setDispatched(0);
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// }
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}
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}else if(command.isBrokerInfo()){
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serviceLocalBrokerInfo(command);
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@ -521,8 +517,7 @@ public abstract class DemandForwardingBridgeSupport implements Bridge {
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// the local transport is just shutting down temporarily until the remote side
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// is restored.
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if( !remoteInterupted.get() ) {
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shutDown = true;
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doStop();
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stop();
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}
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}else if(command.getClass() == ConnectionError.class ) {
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ConnectionError ce = (ConnectionError) command;
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@ -696,20 +691,6 @@ public abstract class DemandForwardingBridgeSupport implements Bridge {
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this.networkTTL=networkTTL;
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}
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/**
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* @return Returns the shutDown.
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*/
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public boolean isShutDown() {
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return shutDown;
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}
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/**
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* @param shutDown The shutDown to set.
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*/
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public void setShutDown(boolean shutDown) {
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this.shutDown=shutDown;
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}
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public static boolean contains(BrokerId[] brokerPath, BrokerId brokerId) {
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if(brokerPath!=null){
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for(int i=0;i<brokerPath.length;i++){
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@ -843,7 +824,8 @@ public abstract class DemandForwardingBridgeSupport implements Bridge {
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}
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protected void clearDownSubscriptions() {
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subscriptionMapByLocalId.clear();
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subscriptionMapByRemoteId.clear();
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}
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protected abstract NetworkBridgeFilter createNetworkBridgeFilter(ConsumerInfo info) throws IOException;
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@ -16,9 +16,11 @@
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*/
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package org.apache.activemq.network;
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import edu.emory.mathcs.backport.java.util.concurrent.ConcurrentHashMap;
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import java.io.IOException;
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import java.net.URI;
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import java.net.URISyntaxException;
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import java.util.Iterator;
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import org.apache.activemq.broker.BrokerService;
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import org.apache.activemq.command.DiscoveryEvent;
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import org.apache.activemq.transport.Transport;
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import org.apache.activemq.transport.TransportFactory;
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@ -28,10 +30,7 @@ import org.apache.activemq.transport.discovery.DiscoveryListener;
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import org.apache.activemq.util.ServiceStopper;
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import org.apache.activemq.util.ServiceSupport;
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import java.io.IOException;
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import java.net.URI;
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import java.net.URISyntaxException;
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import java.util.Iterator;
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import edu.emory.mathcs.backport.java.util.concurrent.ConcurrentHashMap;
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/**
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* A network connector which uses a discovery agent to detect the remote brokers
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@ -58,6 +57,11 @@ public class DiscoveryNetworkConnector extends NetworkConnector implements Disco
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}
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public void onServiceAdd(DiscoveryEvent event) {
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// Ignore events once we start stopping.
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if( isStopped() || isStopping() )
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return;
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String url = event.getServiceName();
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if (url != null) {
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@ -80,7 +84,7 @@ public class DiscoveryNetworkConnector extends NetworkConnector implements Disco
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URI connectUri = uri;
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if (failover) {
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try {
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connectUri = new URI("failover:" + connectUri);
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connectUri = new URI("failover:(" + connectUri+")?maxReconnectDelay=1000");
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}
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catch (URISyntaxException e) {
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log.warn("Could not create failover URI: " + connectUri);
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@ -90,22 +94,24 @@ public class DiscoveryNetworkConnector extends NetworkConnector implements Disco
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log.info("Establishing network connection between from " + localURI + " to " + connectUri);
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Transport localTransport;
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try {
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localTransport = createLocalTransport();
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}
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catch (Exception e) {
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log.warn("Could not connect to local URI: " + localURI + ": " + e, e);
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return;
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}
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Transport remoteTransport;
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try {
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remoteTransport = TransportFactory.connect(connectUri);
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}
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catch (Exception e) {
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ServiceSupport.dispose(localTransport);
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log.warn("Could not connect to remote URI: " + connectUri + ": " + e, e);
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log.warn("Could not connect to remote URI: " + localURI + ": " + e.getMessage());
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log.debug("Connection failure exception: "+ e, e);
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return;
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}
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||||
|
||||
Transport localTransport;
|
||||
try {
|
||||
localTransport = createLocalTransport();
|
||||
}
|
||||
catch (Exception e) {
|
||||
ServiceSupport.dispose(remoteTransport);
|
||||
log.warn("Could not connect to local URI: " + localURI + ": " + e.getMessage());
|
||||
log.debug("Connection failure exception: "+ e, e);
|
||||
return;
|
||||
}
|
||||
|
||||
|
|
@ -117,7 +123,13 @@ public class DiscoveryNetworkConnector extends NetworkConnector implements Disco
|
|||
catch (Exception e) {
|
||||
ServiceSupport.dispose(localTransport);
|
||||
ServiceSupport.dispose(remoteTransport);
|
||||
log.warn("Could not start network bridge between: " + localURI + " and: " + uri + " due to: " + e, e);
|
||||
log.warn("Could not start network bridge between: " + localURI + " and: " + uri + " due to: " + e);
|
||||
log.debug("Start failure exception: "+ e, e);
|
||||
|
||||
try {
|
||||
discoveryAgent.serviceFailed(event);
|
||||
} catch (IOException e1) {
|
||||
}
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
|
@ -196,28 +208,52 @@ public class DiscoveryNetworkConnector extends NetworkConnector implements Disco
|
|||
if (conduitSubscriptions) {
|
||||
if (dynamicOnly) {
|
||||
result = new ConduitBridge(localTransport, remoteTransport) {
|
||||
protected void serviceRemoteException(Exception error) {
|
||||
super.serviceRemoteException(error);
|
||||
protected void serviceLocalException(Throwable error) {
|
||||
try {
|
||||
// Notify the discovery agent that the remote broker
|
||||
// failed.
|
||||
discoveryAgent.serviceFailed(event);
|
||||
super.serviceLocalException(error);
|
||||
} finally {
|
||||
fireServiceFailed();
|
||||
}
|
||||
}
|
||||
protected void serviceRemoteException(Throwable error) {
|
||||
try {
|
||||
super.serviceRemoteException(error);
|
||||
} finally {
|
||||
fireServiceFailed();
|
||||
}
|
||||
}
|
||||
public void fireServiceFailed() {
|
||||
if( !isStopped() ) {
|
||||
try {
|
||||
discoveryAgent.serviceFailed(event);
|
||||
} catch (IOException e) {
|
||||
}
|
||||
catch (IOException e) {
|
||||
}
|
||||
}
|
||||
};
|
||||
}
|
||||
else {
|
||||
result = new DurableConduitBridge(localTransport, remoteTransport) {
|
||||
protected void serviceRemoteException(Exception error) {
|
||||
super.serviceRemoteException(error);
|
||||
protected void serviceLocalException(Throwable error) {
|
||||
try {
|
||||
// Notify the discovery agent that the remote broker
|
||||
// failed.
|
||||
discoveryAgent.serviceFailed(event);
|
||||
super.serviceLocalException(error);
|
||||
} finally {
|
||||
fireServiceFailed();
|
||||
}
|
||||
}
|
||||
protected void serviceRemoteException(Throwable error) {
|
||||
try {
|
||||
super.serviceRemoteException(error);
|
||||
} finally {
|
||||
fireServiceFailed();
|
||||
}
|
||||
}
|
||||
public void fireServiceFailed() {
|
||||
if( !isStopped() ) {
|
||||
try {
|
||||
discoveryAgent.serviceFailed(event);
|
||||
} catch (IOException e) {
|
||||
}
|
||||
catch (IOException e) {
|
||||
}
|
||||
}
|
||||
};
|
||||
|
|
@ -225,14 +261,26 @@ public class DiscoveryNetworkConnector extends NetworkConnector implements Disco
|
|||
}
|
||||
else {
|
||||
result = new DemandForwardingBridge(localTransport, remoteTransport) {
|
||||
protected void serviceRemoteException(Exception error) {
|
||||
super.serviceRemoteException(error);
|
||||
protected void serviceLocalException(Throwable error) {
|
||||
try {
|
||||
// Notify the discovery agent that the remote broker
|
||||
// failed.
|
||||
discoveryAgent.serviceFailed(event);
|
||||
super.serviceLocalException(error);
|
||||
} finally {
|
||||
fireServiceFailed();
|
||||
}
|
||||
}
|
||||
protected void serviceRemoteException(Throwable error) {
|
||||
try {
|
||||
super.serviceRemoteException(error);
|
||||
} finally {
|
||||
fireServiceFailed();
|
||||
}
|
||||
}
|
||||
public void fireServiceFailed() {
|
||||
if( !isStopped() ) {
|
||||
try {
|
||||
discoveryAgent.serviceFailed(event);
|
||||
} catch (IOException e) {
|
||||
}
|
||||
catch (IOException e) {
|
||||
}
|
||||
}
|
||||
};
|
||||
|
|
|
|||
Loading…
Reference in New Issue