Merge "Enabling Remote RPC Router module in ODL distribution."

[controller.git] / opendaylight / protocol_plugins / openflow / src / main / java / org / opendaylight / controller / protocol_plugin / openflow / internal / TopologyServiceShim.java

diff --git a/opendaylight/protocol_plugins/openflow/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/internal/TopologyServiceShim.java b/opendaylight/protocol_plugins/openflow/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/internal/TopologyServiceShim.java
index 86583ace0a0f540b5347accdeb3992dcb30961fd..dacc130831ff18332adff071d400621096e8b48b 100644 (file)
--- a/opendaylight/protocol_plugins/openflow/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/internal/TopologyServiceShim.java
+++ b/opendaylight/protocol_plugins/openflow/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/internal/TopologyServiceShim.java
@@ -131,8 +131,11 @@ public class TopologyServiceShim implements IDiscoveryListener,
                     if (notifyListeners) {
                         for (String container : teuMap.keySet()) {
                             // notify the listener
-                            topologyServiceShimListeners.get(container)
-                                    .edgeUpdate(teuMap.get(container));
+                            ITopologyServiceShimListener l = topologyServiceShimListeners.get(container);
+                            // container topology service may not have come up yet
+                            if (l != null) {
+                                l.edgeUpdate(teuMap.get(container));
+                            }
                         }
                     }
 
@@ -177,16 +180,22 @@ public class TopologyServiceShim implements IDiscoveryListener,
                     for (String container : containerList) {
                         Map<NodeConnector, Pair<Edge, Set<Property>>> edgePropsMap = edgeMap
                                 .get(container);
-                        Edge edge = edgePropsMap.get(connector).getLeft();
-                        if (edge.getTailNodeConnector().equals(connector)) {
-                            ITopologyServiceShimListener topologServiceShimListener = topologyServiceShimListeners
-                                    .get(container);
-                            if (update.type == UpdateType.ADDED) {
-                                topologServiceShimListener
-                                        .edgeOverUtilized(edge);
-                            } else {
-                                topologServiceShimListener
-                                        .edgeUtilBackToNormal(edge);
+                        // the edgePropsMap for a particular container may not have
+                        // the connector.
+                        // so check for null
+                        Pair<Edge, Set<Property>> edgeProp = edgePropsMap.get(connector);
+                        if(edgeProp != null) {
+                            Edge edge = edgeProp.getLeft();
+                            if (edge.getTailNodeConnector().equals(connector)) {
+                                ITopologyServiceShimListener topologServiceShimListener = topologyServiceShimListeners
+                                        .get(container);
+                                if (update.type == UpdateType.ADDED) {
+                                    topologServiceShimListener
+                                    .edgeOverUtilized(edge);
+                                } else {
+                                    topologServiceShimListener
+                                    .edgeUtilBackToNormal(edge);
+                                }
                             }
                         }
                     }
@@ -295,18 +304,18 @@ public class TopologyServiceShim implements IDiscoveryListener,
             // Compare bandwidth usage
             Long switchId = (Long) connector.getNode().getID();
             Short port = (Short) connector.getID();
-            float rate = statsMgr.getTransmitRate(switchId, port);
-            if (rate > bwThresholdFactor * bw) {
-                if (!connectorsOverUtilized.contains(connector)) {
-                    connectorsOverUtilized.add(connector);
-                    this.bwUtilNotifyQ.add(new UtilizationUpdate(connector,
-                            UpdateType.ADDED));
-                }
-            } else {
-                if (connectorsOverUtilized.contains(connector)) {
-                    connectorsOverUtilized.remove(connector);
-                    this.bwUtilNotifyQ.add(new UtilizationUpdate(connector,
-                            UpdateType.REMOVED));
+            if (statsMgr != null) {
+                float rate = statsMgr.getTransmitRate(switchId, port);
+                if (rate > bwThresholdFactor * bw) {
+                    if (!connectorsOverUtilized.contains(connector)) {
+                        connectorsOverUtilized.add(connector);
+                        this.bwUtilNotifyQ.add(new UtilizationUpdate(connector, UpdateType.ADDED));
+                    }
+                } else {
+                    if (connectorsOverUtilized.contains(connector)) {
+                        connectorsOverUtilized.remove(connector);
+                        this.bwUtilNotifyQ.add(new UtilizationUpdate(connector, UpdateType.REMOVED));
+                    }
                 }
             }
         }