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;
import org.opendaylight.controller.sal.utils.StatusCode;
+import org.opendaylight.controller.switchmanager.ISwitchManager;
import org.opendaylight.controller.topologymanager.ITopologyManager;
import org.opendaylight.controller.topologymanager.ITopologyManagerAware;
import org.opendaylight.controller.topologymanager.ITopologyManagerClusterWideAware;
* 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;
+ private ISwitchManager switchManager;
// DB of all the Edges with properties which constitute our topology
private ConcurrentMap<Edge, Set<Property>> edgesDB;
// DB of all NodeConnector which are part of ISL Edges, meaning they
}
}
+ void setSwitchManager(ISwitchManager s) {
+ log.debug("Adding ISwitchManager: {}", s);
+ this.switchManager = s;
+ }
+
+ void unsetSwitchManager(ISwitchManager s) {
+ if (this.switchManager == s) {
+ log.debug("Removing ISwitchManager: {}", s);
+ this.switchManager = null;
+ }
+ }
+
/**
* Function called by the dependency manager when all the required
* dependencies are satisfied
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 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();
+ return (switchManager.doesNodeConnectorExist(head));
+ }
+
private TopoEdgeUpdate edgeUpdate(Edge e, UpdateType type, Set<Property> props) {
switch (type) {
case ADDED:
+ // 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>();
Set<Property> p = topoedgeupdateList.get(i).getProperty();
UpdateType type = topoedgeupdateList.get(i).getUpdateType();
TopoEdgeUpdate teu = edgeUpdate(e, type, p);
- teuList.add(teu);
+ if (teu != null) {
+ teuList.add(teu);
+ }
}
- // Now update the listeners
- for (ITopologyManagerAware s : this.topologyManagerAware) {
- try {
- s.edgeUpdate(teuList);
- } catch (Exception exc) {
- log.error("Exception on edge update:", exc);
+ if (!teuList.isEmpty()) {
+ // Now update the listeners
+ for (ITopologyManagerAware s : this.topologyManagerAware) {
+ try {
+ s.edgeUpdate(teuList);
+ } catch (Exception exc) {
+ log.error("Exception on edge update:", exc);
+ }
}
}
-
}
private Edge getReverseLinkTuple(TopologyUserLinkConfig link) {
Edge linkTuple = getLinkTuple(userLink);
if (linkTuple != null) {
if (!isProductionLink(linkTuple)) {
- edgeUpdate(linkTuple, UpdateType.ADDED, new HashSet<Property>());
+ TopoEdgeUpdate teu = edgeUpdate(linkTuple, UpdateType.ADDED,
+ new HashSet<Property>());
+ if (teu == null) {
+ userLinksDB.remove(userLink.getName());
+ return new Status(StatusCode.NOTFOUND,
+ "Link configuration contains invalid node connector: "
+ + userLink);
+ }
}
linkTuple = getReverseLinkTuple(userLink);
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);
}