import org.apache.felix.dm.Component;
import org.opendaylight.controller.clustering.services.CacheConfigException;
import org.opendaylight.controller.clustering.services.CacheExistException;
+import org.opendaylight.controller.clustering.services.ICacheUpdateAware;
import org.opendaylight.controller.clustering.services.IClusterContainerServices;
import org.opendaylight.controller.clustering.services.IClusterServices;
import org.opendaylight.controller.hosttracker.IfHostListener;
*/
public class HostTracker implements IfIptoHost, IfHostListener, ISwitchManagerAware, IInventoryListener,
- ITopologyManagerAware {
+ ITopologyManagerAware, ICacheUpdateAware<InetAddress, HostNodeConnector> {
+ static final String ACTIVE_HOST_CACHE = "hostTrackerAH";
+ static final String INACTIVE_HOST_CACHE = "hostTrackerIH";
private static final Logger logger = LoggerFactory.getLogger(HostTracker.class);
private IHostFinder hostFinder;
private ConcurrentMap<InetAddress, HostNodeConnector> hostsDB;
*
* We can't recover from condition 3 above
*/
- private final ArrayList<ARPPending> failedARPReqList = new ArrayList<HostTracker.ARPPending>();
+ private final List<ARPPending> failedARPReqList = new ArrayList<HostTracker.ARPPending>();
public HostTracker() {
}
}
logger.debug("Creating Cache for HostTracker");
try {
- this.clusterContainerService.createCache("hostTrackerAH",
+ this.clusterContainerService.createCache(ACTIVE_HOST_CACHE,
EnumSet.of(IClusterServices.cacheMode.NON_TRANSACTIONAL));
- this.clusterContainerService.createCache("hostTrackerIH",
+ this.clusterContainerService.createCache(INACTIVE_HOST_CACHE,
EnumSet.of(IClusterServices.cacheMode.NON_TRANSACTIONAL));
} catch (CacheConfigException cce) {
logger.error("Cache couldn't be created for HostTracker - check cache mode");
}
logger.debug("Retrieving cache for HostTrackerAH");
hostsDB = (ConcurrentMap<InetAddress, HostNodeConnector>) this.clusterContainerService
- .getCache("hostTrackerAH");
+ .getCache(ACTIVE_HOST_CACHE);
if (hostsDB == null) {
logger.error("Cache couldn't be retrieved for HostTracker");
}
logger.debug("Cache was successfully retrieved for HostTracker");
logger.debug("Retrieving cache for HostTrackerIH");
inactiveStaticHosts = (ConcurrentMap<NodeConnector, HostNodeConnector>) this.clusterContainerService
- .getCache("hostTrackerIH");
+ .getCache(INACTIVE_HOST_CACHE);
if (inactiveStaticHosts == null) {
logger.error("Cache couldn't be retrieved for HostTrackerIH");
}
}
}
- private void ProcPendingARPReqs(InetAddress networkAddr) {
+ private void processPendingARPReqs(InetAddress networkAddr) {
ARPPending arphost;
for (int i = 0; i < ARPPendingList.size(); i++) {
notifyHostLearnedOrRemoved(removedHost, false);
notifyHostLearnedOrRemoved(newHost, true);
if (!newHost.isStaticHost()) {
- ProcPendingARPReqs(networkAddr);
+ processPendingARPReqs(networkAddr);
}
}
}
/* check if there is an outstanding request for this host */
- ProcPendingARPReqs(networkAddr);
+ processPendingARPReqs(networkAddr);
notifyHostLearnedOrRemoved(host, true);
}
}
private void updateCurrentHierarchy(Node node, ArrayList<String> currHierarchy, List<List<String>> fullHierarchy) {
// currHierarchy.add(String.format("%x", currSw.getId()));
currHierarchy.add(dpidToHostNameHack((Long) node.getID()));
- ArrayList<String> currHierarchyClone = (ArrayList<String>) currHierarchy.clone(); // Shallow
- // copy
- // as
- // required
+ // Shallow copy as required
+ ArrayList<String> currHierarchyClone = (ArrayList<String>) currHierarchy.clone();
Map<Node, Set<Edge>> ndlinks = topologyManager.getNodeEdges();
if (ndlinks == null) {
Node dstNode = lt.getHeadNodeConnector().getNode();
Tier nodeTier = (Tier) switchManager.getNodeProp(node, Tier.TierPropName);
+ /*
+ * If the host is directly attached to the src node, then the node
+ * should have been assigned the "Access" tier in
+ * notifyHostLearnedOrRemoved. If not, it would be assigned
+ * "Unknown" tier. Thus the tier of host attached node cannot be
+ * null. If the src node here, is the next node in the hierarchy of
+ * the nodes, then its tier cannot be null
+ */
+
Tier dstNodeTier = (Tier) switchManager.getNodeProp(dstNode, Tier.TierPropName);
+ /*
+ * Skip if the tier of the destination node is null
+ */
+ if (dstNodeTier == null) {
+ continue;
+ }
if (dstNodeTier.getValue() > nodeTier.getValue()) {
ArrayList<String> buildHierarchy = currHierarchy;
if (currHierarchy.size() > currHierarchyClone.size()) {
- buildHierarchy = (ArrayList<String>) currHierarchyClone.clone(); // Shallow
- // copy
- // as
- // required
+ // Shallow copy as required
+ buildHierarchy = (ArrayList<String>) currHierarchyClone.clone();
fullHierarchy.add(buildHierarchy);
}
updateCurrentHierarchy(dstNode, buildHierarchy, fullHierarchy);
}
}
- private void edgeUpdate(Edge e, UpdateType type, Set<Property> props) {
+ private void debugEdgeUpdate(Edge e, UpdateType type, Set<Property> props) {
Long srcNid = null;
Short srcPort = null;
Long dstNid = null;
}
if (!srcType.equals(NodeConnector.NodeConnectorIDType.OPENFLOW)) {
- logger.error("For now we cannot handle updates for " + "non-openflow nodes");
+ logger.debug("For now we cannot handle updates for non-openflow nodes");
return;
}
}
if (!dstType.equals(NodeConnector.NodeConnectorIDType.OPENFLOW)) {
- logger.error("For now we cannot handle updates for " + "non-openflow nodes");
+ logger.debug("For now we cannot handle updates for non-openflow nodes");
return;
}
@Override
public void edgeUpdate(List<TopoEdgeUpdate> topoedgeupdateList) {
- for (int i = 0; i < topoedgeupdateList.size(); i++) {
- Edge e = topoedgeupdateList.get(i).getEdge();
- Set<Property> p = topoedgeupdateList.get(i).getProperty();
- UpdateType type = topoedgeupdateList.get(i).getUpdateType();
- edgeUpdate(e, type, p);
+ if (logger.isDebugEnabled()) {
+ for (TopoEdgeUpdate topoEdgeUpdate : topoedgeupdateList) {
+ Edge e = topoEdgeUpdate.getEdge();
+ Set<Property> p = topoEdgeUpdate.getProperty();
+ UpdateType type = topoEdgeUpdate.getUpdateType();
+
+ debugEdgeUpdate(e, type, p);
+ }
}
}
}
+ @Override
+ public void entryCreated(InetAddress key, String cacheName,
+ boolean originLocal) {
+ if (originLocal) return;
+ processPendingARPReqs(key);
+ }
+
+ @Override
+ public void entryUpdated(InetAddress key, HostNodeConnector new_value,
+ String cacheName, boolean originLocal) {
+ }
+
+ @Override
+ public void entryDeleted(InetAddress key, String cacheName,
+ boolean originLocal) {
+ }
+
}