2 * Copyright IBM Corporation, 2013. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.controller.md.statistics.manager;
12 import java.util.concurrent.ExecutionException;
14 import org.opendaylight.controller.md.sal.common.api.data.DataChangeEvent;
15 import org.opendaylight.controller.sal.binding.api.data.DataChangeListener;
16 import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.FlowStatisticsData;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.queues.Queue;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.NodeGroupDescStats;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.NodeGroupStatistics;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.NodeMeterConfigStats;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.NodeMeterStatistics;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.FlowCapableNodeConnectorQueueStatisticsData;
31 import org.opendaylight.yangtools.yang.binding.DataObject;
32 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
33 import org.slf4j.Logger;
34 import org.slf4j.LoggerFactory;
37 * Following are two main responsibilities of the class
38 * 1) Listen for the create changes in config data store for tree nodes (Flow,Group,Meter,Queue)
39 * and send statistics request to the switch to fetch the statistics
41 * 2)Listen for the remove changes in config data store for tree nodes (Flow,Group,Meter,Queue)
42 * and remove the relative statistics data from operational data store.
44 * @author avishnoi@in.ibm.com
47 public class StatisticsUpdateHandler implements DataChangeListener {
49 private static final Logger suhLogger = LoggerFactory.getLogger(StatisticsUpdateHandler.class);
50 private final StatisticsProvider statisticsManager;
52 public StatisticsUpdateHandler(final StatisticsProvider manager){
53 this.statisticsManager = manager;
56 @SuppressWarnings("unchecked")
58 public void onDataChanged(DataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
59 Map<InstanceIdentifier<?>, DataObject> additions = change.getCreatedConfigurationData();
60 for (InstanceIdentifier<? extends DataObject> dataObjectInstance : additions.keySet()) {
61 DataObject dataObject = additions.get(dataObjectInstance);
62 InstanceIdentifier<Node> nodeII = dataObjectInstance.firstIdentifierOf(Node.class);
63 NodeRef nodeRef = new NodeRef(nodeII);
64 if(dataObject instanceof Flow){
65 Flow flow = (Flow) dataObject;
67 this.statisticsManager.sendFlowStatsFromTableRequest(nodeRef, flow);
68 } catch (InterruptedException | ExecutionException e) {
69 suhLogger.warn("Following exception occured while sending flow statistics request newly added flow: {}", e);
72 if(dataObject instanceof Meter){
74 this.statisticsManager.sendMeterConfigStatisticsRequest(nodeRef);
75 } catch (InterruptedException | ExecutionException e) {
76 suhLogger.warn("Following exception occured while sending meter statistics request for newly added meter: {}", e);
79 if(dataObject instanceof Group){
81 this.statisticsManager.sendGroupDescriptionRequest(nodeRef);
82 } catch (InterruptedException | ExecutionException e) {
83 suhLogger.warn("Following exception occured while sending group description request for newly added group: {}", e);
86 if(dataObject instanceof Queue){
87 Queue queue = (Queue) dataObject;
88 InstanceIdentifier<NodeConnector> nodeConnectorII = dataObjectInstance.firstIdentifierOf(NodeConnector.class);
89 NodeConnectorKey nodeConnectorKey = InstanceIdentifier.keyOf(nodeConnectorII);
91 this.statisticsManager.sendQueueStatsFromGivenNodeConnector(nodeRef, nodeConnectorKey.getId(), queue.getQueueId());
92 } catch (InterruptedException | ExecutionException e) {
93 suhLogger.warn("Following exception occured while sending queue statistics request for newly added group: {}", e);
98 DataModificationTransaction it = this.statisticsManager.startChange();
99 Set<InstanceIdentifier<? extends DataObject>> removals = change.getRemovedConfigurationData();
100 for (InstanceIdentifier<? extends DataObject> dataObjectInstance : removals) {
101 DataObject dataObject = change.getOriginalConfigurationData().get(dataObjectInstance);
103 if(dataObject instanceof Flow){
104 InstanceIdentifier<Flow> flowII = (InstanceIdentifier<Flow>)dataObjectInstance;
105 InstanceIdentifier<?> flowAugmentation =
106 InstanceIdentifier.builder(flowII).augmentation(FlowStatisticsData.class).toInstance();
107 it.removeOperationalData(flowAugmentation);
109 if(dataObject instanceof Meter){
110 InstanceIdentifier<Meter> meterII = (InstanceIdentifier<Meter>)dataObjectInstance;
112 InstanceIdentifier<?> nodeMeterConfigStatsAugmentation =
113 InstanceIdentifier.builder(meterII).augmentation(NodeMeterConfigStats.class).toInstance();
114 it.removeOperationalData(nodeMeterConfigStatsAugmentation);
116 InstanceIdentifier<?> nodeMeterStatisticsAugmentation =
117 InstanceIdentifier.builder(meterII).augmentation(NodeMeterStatistics.class).toInstance();
118 it.removeOperationalData(nodeMeterStatisticsAugmentation);
121 if(dataObject instanceof Group){
122 InstanceIdentifier<Group> groupII = (InstanceIdentifier<Group>)dataObjectInstance;
124 InstanceIdentifier<?> nodeGroupDescStatsAugmentation =
125 InstanceIdentifier.builder(groupII).augmentation(NodeGroupDescStats.class).toInstance();
126 it.removeOperationalData(nodeGroupDescStatsAugmentation);
128 InstanceIdentifier<?> nodeGroupStatisticsAugmentation =
129 InstanceIdentifier.builder(groupII).augmentation(NodeGroupStatistics.class).toInstance();
130 it.removeOperationalData(nodeGroupStatisticsAugmentation);
133 if(dataObject instanceof Queue){
134 InstanceIdentifier<Queue> queueII = (InstanceIdentifier<Queue>)dataObjectInstance;
136 InstanceIdentifier<?> nodeConnectorQueueStatisticsDataAugmentation =
137 InstanceIdentifier.builder(queueII).augmentation(FlowCapableNodeConnectorQueueStatisticsData.class).toInstance();
138 it.removeOperationalData(nodeConnectorQueueStatisticsDataAugmentation);