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.FlowCapableNode;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.FlowStatisticsData;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.queues.Queue;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.NodeGroupDescStats;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.NodeGroupStatistics;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.NodeMeterConfigStats;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.NodeMeterStatistics;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.FlowCapableNodeConnectorQueueStatisticsData;
32 import org.opendaylight.yangtools.yang.binding.DataObject;
33 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
34 import org.slf4j.Logger;
35 import org.slf4j.LoggerFactory;
38 * Following are two main responsibilities of the class
39 * 1) Listen for the create changes in config data store for tree nodes (Flow,Group,Meter,Queue)
40 * and send statistics request to the switch to fetch the statistics
42 * 2)Listen for the remove changes in config data store for tree nodes (Flow,Group,Meter,Queue)
43 * and remove the relative statistics data from operational data store.
45 * @author avishnoi@in.ibm.com
48 public class StatisticsUpdateHandler implements DataChangeListener {
50 private static final Logger suhLogger = LoggerFactory.getLogger(StatisticsUpdateHandler.class);
51 private final StatisticsProvider statisticsManager;
53 public StatisticsUpdateHandler(final StatisticsProvider manager){
54 this.statisticsManager = manager;
57 @SuppressWarnings("unchecked")
59 public void onDataChanged(DataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
61 Map<InstanceIdentifier<?>, DataObject> nodeAdditions = change.getCreatedOperationalData();
62 for (InstanceIdentifier<? extends DataObject> dataObjectInstance : nodeAdditions.keySet()) {
63 DataObject dataObject = nodeAdditions.get(dataObjectInstance);
64 if(dataObject instanceof Node){
66 Node node = (Node) dataObject;
67 if(node.getAugmentation(FlowCapableNode.class) != null){
68 this.statisticsManager.sendStatisticsRequestsToNode(node);
73 Map<InstanceIdentifier<?>, DataObject> additions = change.getCreatedConfigurationData();
74 for (InstanceIdentifier<? extends DataObject> dataObjectInstance : additions.keySet()) {
75 DataObject dataObject = additions.get(dataObjectInstance);
76 InstanceIdentifier<Node> nodeII = dataObjectInstance.firstIdentifierOf(Node.class);
77 NodeRef nodeRef = new NodeRef(nodeII);
78 if(dataObject instanceof Flow){
79 Flow flow = (Flow) dataObject;
81 this.statisticsManager.sendFlowStatsFromTableRequest(nodeRef, flow);
82 } catch (InterruptedException | ExecutionException e) {
83 suhLogger.warn("Following exception occured while sending flow statistics request newly added flow: {}", e);
86 if(dataObject instanceof Meter){
88 this.statisticsManager.sendMeterConfigStatisticsRequest(nodeRef);
89 } catch (InterruptedException | ExecutionException e) {
90 suhLogger.warn("Following exception occured while sending meter statistics request for newly added meter: {}", e);
93 if(dataObject instanceof Group){
95 this.statisticsManager.sendGroupDescriptionRequest(nodeRef);
96 } catch (InterruptedException | ExecutionException e) {
97 suhLogger.warn("Following exception occured while sending group description request for newly added group: {}", e);
100 if(dataObject instanceof Queue){
101 Queue queue = (Queue) dataObject;
102 InstanceIdentifier<NodeConnector> nodeConnectorII = dataObjectInstance.firstIdentifierOf(NodeConnector.class);
103 NodeConnectorKey nodeConnectorKey = InstanceIdentifier.keyOf(nodeConnectorII);
105 this.statisticsManager.sendQueueStatsFromGivenNodeConnector(nodeRef, nodeConnectorKey.getId(), queue.getQueueId());
106 } catch (InterruptedException | ExecutionException e) {
107 suhLogger.warn("Following exception occured while sending queue statistics request for newly added group: {}", e);
112 DataModificationTransaction it = this.statisticsManager.startChange();
113 Set<InstanceIdentifier<? extends DataObject>> removals = change.getRemovedConfigurationData();
114 for (InstanceIdentifier<? extends DataObject> dataObjectInstance : removals) {
115 DataObject dataObject = change.getOriginalConfigurationData().get(dataObjectInstance);
117 if(dataObject instanceof Flow){
118 InstanceIdentifier<Flow> flowII = (InstanceIdentifier<Flow>)dataObjectInstance;
119 InstanceIdentifier<?> flowAugmentation =
120 InstanceIdentifier.builder(flowII).augmentation(FlowStatisticsData.class).toInstance();
121 it.removeOperationalData(flowAugmentation);
123 if(dataObject instanceof Meter){
124 InstanceIdentifier<Meter> meterII = (InstanceIdentifier<Meter>)dataObjectInstance;
126 InstanceIdentifier<?> nodeMeterConfigStatsAugmentation =
127 InstanceIdentifier.builder(meterII).augmentation(NodeMeterConfigStats.class).toInstance();
128 it.removeOperationalData(nodeMeterConfigStatsAugmentation);
130 InstanceIdentifier<?> nodeMeterStatisticsAugmentation =
131 InstanceIdentifier.builder(meterII).augmentation(NodeMeterStatistics.class).toInstance();
132 it.removeOperationalData(nodeMeterStatisticsAugmentation);
135 if(dataObject instanceof Group){
136 InstanceIdentifier<Group> groupII = (InstanceIdentifier<Group>)dataObjectInstance;
138 InstanceIdentifier<?> nodeGroupDescStatsAugmentation =
139 InstanceIdentifier.builder(groupII).augmentation(NodeGroupDescStats.class).toInstance();
140 it.removeOperationalData(nodeGroupDescStatsAugmentation);
142 InstanceIdentifier<?> nodeGroupStatisticsAugmentation =
143 InstanceIdentifier.builder(groupII).augmentation(NodeGroupStatistics.class).toInstance();
144 it.removeOperationalData(nodeGroupStatisticsAugmentation);
147 if(dataObject instanceof Queue){
148 InstanceIdentifier<Queue> queueII = (InstanceIdentifier<Queue>)dataObjectInstance;
150 InstanceIdentifier<?> nodeConnectorQueueStatisticsDataAugmentation =
151 InstanceIdentifier.builder(queueII).augmentation(FlowCapableNodeConnectorQueueStatisticsData.class).toInstance();
152 it.removeOperationalData(nodeConnectorQueueStatisticsDataAugmentation);