package org.opendaylight.controller.protocol_plugin.openflow.internal;
import java.util.ArrayList;
+import java.util.Collection;
import java.util.HashMap;
+import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
}
}
+ private void updateContainerMap(List<String> containers, NodeConnector p) {
+ if (containers.isEmpty()) {
+ // Do cleanup to reduce memory footprint if no
+ // elements to be tracked
+ this.containerMap.remove(p);
+ } else {
+ this.containerMap.put(p, containers);
+ }
+ }
+
+ /**
+ * From a given edge map, retrieve the edge sourced by the port and update
+ * the local cache in the container
+ *
+ * @param container
+ * the container name
+ * @param nodeConnector
+ * the node connector
+ * @param edges
+ * the given edge map
+ * @return the found edge
+ */
+ private Edge addEdge(String container, NodeConnector nodeConnector,
+ Map<NodeConnector, Pair<Edge, Set<Property>>> edges) {
+ logger.debug("Search edge sourced by port {} in container {}", nodeConnector, container);
+
+ // Retrieve the associated edge
+ Pair<Edge, Set<Property>> edgeProps = edges.get(nodeConnector);
+ if (edgeProps == null) {
+ logger.debug("edgePros is null for port {} in container {}", nodeConnector, container);
+ return null;
+ }
+
+ Edge edge = edgeProps.getLeft();
+ if (edge == null) {
+ logger.debug("edge is null for port {} in container {}", nodeConnector, container);
+ return null;
+ }
+
+ // Make sure the peer port is in the same container
+ NodeConnector peerConnector = edge.getHeadNodeConnector();
+ List<String> containers = this.containerMap.get(peerConnector);
+ if ((containers == null) || !containers.contains(container)) {
+ logger.debug("peer port {} of edge {} is not part of the container {}", new Object[] { peerConnector, edge,
+ container });
+ return null;
+ }
+
+ // Update the local cache
+ updateLocalEdgeMap(container, edge, UpdateType.ADDED, edgeProps.getRight());
+ logger.debug("Added edge {} to local cache in container {}", edge, container);
+
+ return edge;
+ }
+
+ private void addNodeConnector(String container,
+ NodeConnector nodeConnector) {
+ // Use the global edge map for the newly added port in a container
+ Map<NodeConnector, Pair<Edge, Set<Property>>> globalEdgeMap = edgeMap.get(GlobalConstants.DEFAULT
+ .toString());
+ if (globalEdgeMap == null) {
+ return;
+ }
+
+ // Get the edge and update local cache in the container
+ Edge edge1, edge2;
+ edge1 = addEdge(container, nodeConnector, globalEdgeMap);
+ if (edge1 == null) {
+ return;
+ }
+
+ // Get the edge in reverse direction and update local cache in the container
+ NodeConnector peerConnector = edge1.getHeadNodeConnector();
+ edge2 = addEdge(container, peerConnector, globalEdgeMap);
+
+ // Send notification upwards in one shot
+ List<TopoEdgeUpdate> teuList = new ArrayList<TopoEdgeUpdate>();
+ teuList.add(new TopoEdgeUpdate(edge1, null, UpdateType.ADDED));
+ logger.debug("Notify edge1: {} in container {}", edge1, container);
+ if (edge2 != null) {
+ teuList.add(new TopoEdgeUpdate(edge2, null, UpdateType.ADDED));
+ logger.debug("Notify edge2: {} in container {}", edge2, container);
+ }
+ notifyEdge(container, teuList);
+ }
+
private void removeNodeConnector(String container,
NodeConnector nodeConnector) {
List<TopoEdgeUpdate> teuList = new ArrayList<TopoEdgeUpdate>();
if (containers == null) {
containers = new CopyOnWriteArrayList<String>();
}
- boolean updateMap = false;
switch (t) {
case ADDED:
if (!containers.contains(containerName)) {
containers.add(containerName);
- updateMap = true;
+ updateContainerMap(containers, p);
+ addNodeConnector(containerName, p);
}
break;
case REMOVED:
if (containers.contains(containerName)) {
containers.remove(containerName);
- updateMap = true;
+ updateContainerMap(containers, p);
removeNodeConnector(containerName, p);
}
break;
case CHANGED:
break;
}
- if (updateMap) {
- if (containers.isEmpty()) {
- // Do cleanup to reduce memory footprint if no
- // elements to be tracked
- this.containerMap.remove(p);
- } else {
- this.containerMap.put(p, containers);
- }
- }
}
@Override
}
/**
- * Retrieve/construct edge map for a given container
+ * Retrieve the edges for a given container
*
* @param containerName
* the container name
* @return the edges and their properties
*/
- private Map<NodeConnector, Pair<Edge, Set<Property>>> getEdgeMap(String containerName) {
+ private Collection<Pair<Edge, Set<Property>>> getEdgeProps(String containerName) {
Map<NodeConnector, Pair<Edge, Set<Property>>> edgePropMap = null;
-
- /*
- * When container is freshly created, need to construct map based on global map.
- */
edgePropMap = edgeMap.get(containerName);
-
- return edgePropMap;
+ if (edgePropMap == null) {
+ return null;
+ }
+ return edgePropMap.values();
}
/**
* the container name
*/
private void TopologyBulkUpdate(String containerName) {
- Map<NodeConnector, Pair<Edge, Set<Property>>> edgePropMap = null;
+ Collection<Pair<Edge, Set<Property>>> edgeProps = null;
logger.debug("Try bulk update for container:{}", containerName);
- edgePropMap = getEdgeMap(containerName);
- if (edgePropMap == null) {
+ edgeProps = getEdgeProps(containerName);
+ if (edgeProps == null) {
logger.debug("No edges known for container:{}", containerName);
return;
}
}
int i = 0;
List<TopoEdgeUpdate> teuList = new ArrayList<TopoEdgeUpdate>();
- for (Pair<Edge, Set<Property>> edgeProps : edgePropMap.values()) {
- if (edgeProps != null) {
+ for (Pair<Edge, Set<Property>> edgeProp : edgeProps) {
+ if (edgeProp != null) {
i++;
- teuList.add(new TopoEdgeUpdate(edgeProps.getLeft(), edgeProps
+ teuList.add(new TopoEdgeUpdate(edgeProp.getLeft(), edgeProp
.getRight(), UpdateType.ADDED));
- logger.trace("Add edge {}", edgeProps.getLeft());
+ logger.trace("Add edge {}", edgeProp.getLeft());
}
}
if (i > 0) {