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;
13 import org.opendaylight.controller.md.sal.common.api.data.DataChangeEvent;
14 import org.opendaylight.controller.sal.binding.api.data.DataChangeListener;
15 import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.FlowStatisticsData;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.queues.Queue;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.NodeGroupDescStats;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.NodeGroupStatistics;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.NodeMeterConfigStats;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.NodeMeterStatistics;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.FlowCapableNodeConnectorQueueStatisticsData;
30 import org.opendaylight.yangtools.yang.binding.DataObject;
31 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
34 * Following are two main responsibilities of the class
35 * 1) Listen for the create changes in config data store for tree nodes (Flow,Group,Meter,Queue)
36 * and send statistics request to the switch to fetch the statistics
38 * 2)Listen for the remove changes in config data store for tree nodes (Flow,Group,Meter,Queue)
39 * and remove the relative statistics data from operational data store.
41 * @author avishnoi@in.ibm.com
44 public class StatisticsUpdateHandler implements DataChangeListener {
45 private final StatisticsProvider statisticsManager;
47 public StatisticsUpdateHandler(final StatisticsProvider manager){
48 this.statisticsManager = manager;
51 @SuppressWarnings("unchecked")
53 public void onDataChanged(DataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
54 Map<InstanceIdentifier<?>, DataObject> additions = change.getCreatedConfigurationData();
55 for (InstanceIdentifier<? extends DataObject> dataObjectInstance : additions.keySet()) {
56 DataObject dataObject = additions.get(dataObjectInstance);
57 NodeKey nodeII = dataObjectInstance.firstKeyOf(Node.class, NodeKey.class);
58 if(dataObject instanceof Flow){
59 Flow flow = (Flow) dataObject;
60 this.statisticsManager.sendFlowStatsFromTableRequest(nodeII, flow);
62 if(dataObject instanceof Meter){
63 this.statisticsManager.sendMeterConfigStatisticsRequest(nodeII);
65 if(dataObject instanceof Group){
66 this.statisticsManager.sendGroupDescriptionRequest(nodeII);
68 if(dataObject instanceof Queue){
69 Queue queue = (Queue) dataObject;
70 InstanceIdentifier<NodeConnector> nodeConnectorII = dataObjectInstance.firstIdentifierOf(NodeConnector.class);
71 NodeConnectorKey nodeConnectorKey = InstanceIdentifier.keyOf(nodeConnectorII);
72 this.statisticsManager.sendQueueStatsFromGivenNodeConnector(nodeII, nodeConnectorKey.getId(), queue.getQueueId());
76 DataModificationTransaction it = this.statisticsManager.startChange();
77 Set<InstanceIdentifier<? extends DataObject>> removals = change.getRemovedConfigurationData();
78 for (InstanceIdentifier<? extends DataObject> dataObjectInstance : removals) {
79 DataObject dataObject = change.getOriginalConfigurationData().get(dataObjectInstance);
81 if(dataObject instanceof Flow){
82 InstanceIdentifier<Flow> flowII = (InstanceIdentifier<Flow>)dataObjectInstance;
83 InstanceIdentifier<?> flowAugmentation =
84 InstanceIdentifier.builder(flowII).augmentation(FlowStatisticsData.class).toInstance();
85 it.removeOperationalData(flowAugmentation);
87 if(dataObject instanceof Meter){
88 InstanceIdentifier<Meter> meterII = (InstanceIdentifier<Meter>)dataObjectInstance;
90 InstanceIdentifier<?> nodeMeterConfigStatsAugmentation =
91 InstanceIdentifier.builder(meterII).augmentation(NodeMeterConfigStats.class).toInstance();
92 it.removeOperationalData(nodeMeterConfigStatsAugmentation);
94 InstanceIdentifier<?> nodeMeterStatisticsAugmentation =
95 InstanceIdentifier.builder(meterII).augmentation(NodeMeterStatistics.class).toInstance();
96 it.removeOperationalData(nodeMeterStatisticsAugmentation);
99 if(dataObject instanceof Group){
100 InstanceIdentifier<Group> groupII = (InstanceIdentifier<Group>)dataObjectInstance;
102 InstanceIdentifier<?> nodeGroupDescStatsAugmentation =
103 InstanceIdentifier.builder(groupII).augmentation(NodeGroupDescStats.class).toInstance();
104 it.removeOperationalData(nodeGroupDescStatsAugmentation);
106 InstanceIdentifier<?> nodeGroupStatisticsAugmentation =
107 InstanceIdentifier.builder(groupII).augmentation(NodeGroupStatistics.class).toInstance();
108 it.removeOperationalData(nodeGroupStatisticsAugmentation);
111 if(dataObject instanceof Queue){
112 InstanceIdentifier<Queue> queueII = (InstanceIdentifier<Queue>)dataObjectInstance;
114 InstanceIdentifier<?> nodeConnectorQueueStatisticsDataAugmentation =
115 InstanceIdentifier.builder(queueII).augmentation(FlowCapableNodeConnectorQueueStatisticsData.class).toInstance();
116 it.removeOperationalData(nodeConnectorQueueStatisticsDataAugmentation);