import java.util.LinkedList;
import java.util.List;
import java.util.Map;
-import java.util.Map.Entry;
import java.util.Set;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.ConcurrentHashMap;
import org.opendaylight.controller.sal.topology.TopoEdgeUpdate;
import org.opendaylight.controller.sal.utils.GlobalConstants;
import org.opendaylight.controller.sal.utils.IObjectReader;
+import org.opendaylight.controller.sal.utils.NodeConnectorCreator;
import org.opendaylight.controller.sal.utils.ObjectReader;
import org.opendaylight.controller.sal.utils.ObjectWriter;
import org.opendaylight.controller.sal.utils.Status;
* topology database and notifies all the listeners of topology changes.
*/
public class TopologyManagerImpl implements
- ICacheUpdateAware,
+ ICacheUpdateAware<Object, Object>,
ITopologyManager,
IConfigurationContainerAware,
IListenTopoUpdates,
IObjectReader,
CommandProvider {
- static final String TOPOEDGESDB = "topologymanager.edgesDB";
- static final String TOPOHOSTSDB = "topologymanager.hostsDB";
- static final String TOPONODECONNECTORDB = "topologymanager.nodeConnectorDB";
- static final String TOPOUSERLINKSDB = "topologymanager.userLinksDB";
+ protected static final String TOPOEDGESDB = "topologymanager.edgesDB";
+ protected static final String TOPOHOSTSDB = "topologymanager.hostsDB";
+ protected static final String TOPONODECONNECTORDB = "topologymanager.nodeConnectorDB";
+ protected static final String TOPOUSERLINKSDB = "topologymanager.userLinksDB";
private static final Logger log = LoggerFactory.getLogger(TopologyManagerImpl.class);
private ITopologyService topoService;
private IClusterContainerServices clusterContainerService;
if (this.topologyManagerAware != null) {
log.debug("Adding ITopologyManagerAware: {}", s);
this.topologyManagerAware.add(s);
- // Reply all the known edges
- if (this.edgesDB != null) {
- List<TopoEdgeUpdate> existingEdges = new ArrayList<TopoEdgeUpdate>();
- for (Entry<Edge, Set<Property>> entry : this.edgesDB.entrySet()) {
- existingEdges.add(new TopoEdgeUpdate(entry.getKey(), entry.getValue(), UpdateType.ADDED));
- }
- s.edgeUpdate(existingEdges);
- }
}
}
if (this.topologyManagerClusterWideAware != null) {
log.debug("Adding ITopologyManagerClusterWideAware: {}", s);
this.topologyManagerClusterWideAware.add(s);
- // Reply all the known edges
- if (this.edgesDB != null) {
- List<TopoEdgeUpdate> existingEdges = new ArrayList<TopoEdgeUpdate>();
- for (Entry<Edge, Set<Property>> entry : this.edgesDB.entrySet()) {
- existingEdges.add(new TopoEdgeUpdate(entry.getKey(), entry.getValue(), UpdateType.ADDED));
- }
- s.edgeUpdate(existingEdges);
- }
}
}
userLinksFileName = ROOT + "userTopology_" + containerName + ".conf";
registerWithOSGIConsole();
- loadConfiguration();
+ if ((clusterContainerService != null) && (clusterContainerService.amICoordinator())) {
+ loadConfiguration();
+ }
// Restore the shuttingDown status on init of the component
shuttingDown = false;
notifyThread = new Thread(new TopologyNotify(notifyQ));
}
- @SuppressWarnings({ "unchecked", "deprecation" })
+ @SuppressWarnings({ "unchecked" })
private void allocateCaches() {
- try {
this.edgesDB =
- (ConcurrentMap<Edge, Set<Property>>) this.clusterContainerService.createCache(TOPOEDGESDB,
- EnumSet.of(IClusterServices.cacheMode.TRANSACTIONAL));
- } catch (CacheExistException cee) {
- log.debug(TOPOEDGESDB + " Cache already exists - destroy and recreate if needed");
- } catch (CacheConfigException cce) {
- log.error(TOPOEDGESDB + " Cache configuration invalid - check cache mode");
- }
+ (ConcurrentMap<Edge, Set<Property>>) allocateCache(TOPOEDGESDB,EnumSet.of(IClusterServices.cacheMode.TRANSACTIONAL));
- try {
this.hostsDB =
- (ConcurrentMap<NodeConnector, Set<ImmutablePair<Host, Set<Property>>>>) this.clusterContainerService.createCache(
- TOPOHOSTSDB, EnumSet.of(IClusterServices.cacheMode.TRANSACTIONAL));
- } catch (CacheExistException cee) {
- log.debug(TOPOHOSTSDB + " Cache already exists - destroy and recreate if needed");
- } catch (CacheConfigException cce) {
- log.error(TOPOHOSTSDB + " Cache configuration invalid - check cache mode");
- }
+ (ConcurrentMap<NodeConnector, Set<ImmutablePair<Host, Set<Property>>>>) allocateCache(TOPOHOSTSDB, EnumSet.of(IClusterServices.cacheMode.TRANSACTIONAL));
- try {
this.nodeConnectorsDB =
- (ConcurrentMap<NodeConnector, Set<Property>>) this.clusterContainerService.createCache(
+ (ConcurrentMap<NodeConnector, Set<Property>>) allocateCache(
TOPONODECONNECTORDB, EnumSet.of(IClusterServices.cacheMode.TRANSACTIONAL));
- } catch (CacheExistException cee) {
- log.debug(TOPONODECONNECTORDB + " Cache already exists - destroy and recreate if needed");
- } catch (CacheConfigException cce) {
- log.error(TOPONODECONNECTORDB + " Cache configuration invalid - check cache mode");
- }
-
- try {
this.userLinksDB =
- (ConcurrentMap<String, TopologyUserLinkConfig>) this.clusterContainerService.createCache(
+ (ConcurrentMap<String, TopologyUserLinkConfig>) allocateCache(
TOPOUSERLINKSDB, EnumSet.of(IClusterServices.cacheMode.TRANSACTIONAL));
- } catch (CacheExistException cee) {
- log.debug(TOPOUSERLINKSDB + " Cache already exists - destroy and recreate if needed");
- } catch (CacheConfigException cce) {
- log.error(TOPOUSERLINKSDB + " Cache configuration invalid - check cache mode");
+ }
+
+ private ConcurrentMap<?, ?> allocateCache(String cacheName, Set<IClusterServices.cacheMode> cacheModes) {
+ ConcurrentMap<?, ?> cache = null;
+ try {
+ cache = this.clusterContainerService.createCache(cacheName, cacheModes);
+ } catch (CacheExistException e) {
+ log.debug(cacheName + " cache already exists - destroy and recreate if needed");
+ } catch (CacheConfigException e) {
+ log.error(cacheName + " cache configuration invalid - check cache mode");
}
+ return cache;
}
- @SuppressWarnings({ "unchecked", "deprecation" })
+ @SuppressWarnings({ "unchecked" })
private void retrieveCaches() {
if (this.clusterContainerService == null) {
log.error("Cluster Services is null, can't retrieve caches.");
|| e.getTailNodeConnector().getType().equals(NodeConnector.NodeConnectorIDType.PRODUCTION));
}
+ /**
+ * This method cross checks the determination of nodeConnector type by Discovery Service
+ * against the information in SwitchManager and updates it accordingly.
+ * @param e
+ * The edge
+ */
+ private void crossCheckNodeConnectors(Edge e) {
+ NodeConnector nc;
+ if (e.getHeadNodeConnector().getType().equals(NodeConnector.NodeConnectorIDType.PRODUCTION)) {
+ nc = updateNCTypeFromSwitchMgr(e.getHeadNodeConnector());
+ if (nc != null) {
+ e.setHeadNodeConnector(nc);
+ }
+ }
+ if (e.getTailNodeConnector().getType().equals(NodeConnector.NodeConnectorIDType.PRODUCTION)) {
+ nc = updateNCTypeFromSwitchMgr(e.getTailNodeConnector());
+ if (nc != null) {
+ e.setTailNodeConnector(nc);
+ }
+ }
+ }
+
+ /**
+ * A NodeConnector may have been categorized as of type Production by Discovery Service.
+ * But at the time when this determination was made, only OF nodes were known to Discovery
+ * Service. This method checks if the node of nodeConnector is known to SwitchManager. If
+ * so, then it returns a new NodeConnector with correct type.
+ *
+ * @param nc
+ * NodeConnector as passed on in the edge
+ * @return
+ * If Node of the NodeConnector is in SwitchManager, then return a new NodeConnector
+ * with correct type, null otherwise
+ */
+
+ private NodeConnector updateNCTypeFromSwitchMgr(NodeConnector nc) {
+
+ for (Node node : switchManager.getNodes()) {
+ String nodeName = node.getNodeIDString();
+ log.trace("Switch Manager Node Name: {}, NodeConnector Node Name: {}", nodeName,
+ nc.getNode().getNodeIDString());
+ if (nodeName.equals(nc.getNode().getNodeIDString())) {
+ NodeConnector nodeConnector = NodeConnectorCreator
+ .createNodeConnector(node.getType(), nc.getID(), node);
+ return nodeConnector;
+ }
+ }
+ return null;
+ }
+
/**
* The Map returned is a copy of the current topology hence if the topology
* changes the copy doesn't
}
}
- private boolean nodeConnectorsExist(Edge e) {
+ private boolean headNodeConnectorExist(Edge e) {
+ /*
+ * Only check the head end point which is supposed to be part of a
+ * network node we control (present in our inventory). If we checked the
+ * tail end point as well, we would not store the edges that connect to
+ * a non sdn enable port on a non sdn capable production switch. We want
+ * to be able to see these switches on the topology.
+ */
NodeConnector head = e.getHeadNodeConnector();
- NodeConnector tail = e.getTailNodeConnector();
- return (switchManager.doesNodeConnectorExist(head) &&
- switchManager.doesNodeConnectorExist(tail));
+ return (switchManager.doesNodeConnectorExist(head));
}
private TopoEdgeUpdate edgeUpdate(Edge e, UpdateType type, Set<Property> props) {
switch (type) {
case ADDED:
- // Ensure that both tail and head node connectors exist.
- if (!nodeConnectorsExist(e)) {
+ // Avoid redundant update as notifications trigger expensive tasks
+ if (edgesDB.containsKey(e)) {
+ log.trace("Skipping redundant edge addition: {}", e);
+ return null;
+ }
+
+ // Ensure that head node connector exists
+ if (!headNodeConnectorExist(e)) {
log.warn("Ignore edge that contains invalid node connector: {}", e);
return null;
}
+ // Check if nodeConnectors of the edge were correctly categorized
+ // by OF plugin
+ crossCheckNodeConnectors(e);
+
// Make sure the props are non-null
if (props == null) {
props = new HashSet<Property>();
public void entryUpdated(final Object key, final Object new_value, final String cacheName, final boolean originLocal) {
if (cacheName.equals(TOPOEDGESDB)) {
final Edge e = (Edge) key;
- log.trace("Edge {} CHANGED isLocal:{}", e, originLocal);
+ log.trace("Edge {} UPDATED isLocal:{}", e, originLocal);
final Set<Property> props = (Set<Property>) new_value;
edgeUpdateClusterWide(e, UpdateType.CHANGED, props, originLocal);
}