opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/StatisticsUpdateHandler.java

   1 /*
   2  * Copyright IBM Corporation, 2013.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.controller.md.statistics.manager;
   9
  10 import java.util.Map;
  11 import java.util.Set;
  12 import java.util.concurrent.ExecutionException;
  13
  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;
  36
  37 /**
  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
  41  *
  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.
  44  *
  45  * @author avishnoi@in.ibm.com
  46  *
  47  */
  48 public class StatisticsUpdateHandler implements DataChangeListener {
  49
  50     private static final Logger suhLogger = LoggerFactory.getLogger(StatisticsUpdateHandler.class);
  51     private final StatisticsProvider statisticsManager;
  52
  53     public StatisticsUpdateHandler(final StatisticsProvider manager){
  54         this.statisticsManager = manager;
  55     }
  56
  57     @SuppressWarnings("unchecked")
  58     @Override
  59     public void onDataChanged(DataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
  60
  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){
  65
  66                 Node node = (Node) dataObject;
  67                 if(node.getAugmentation(FlowCapableNode.class) != null){
  68                     this.statisticsManager.sendStatisticsRequestsToNode(node);
  69                 }
  70             }
  71         }
  72
  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;
  80                 try {
  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);
  84                 }
  85             }
  86             if(dataObject instanceof Meter){
  87                 try {
  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);
  91                 }
  92             }
  93             if(dataObject instanceof Group){
  94                 try {
  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);
  98                 }
  99             }
 100             if(dataObject instanceof Queue){
 101                 Queue queue = (Queue) dataObject;
 102                 InstanceIdentifier<NodeConnector> nodeConnectorII = dataObjectInstance.firstIdentifierOf(NodeConnector.class);
 103                 NodeConnectorKey nodeConnectorKey = InstanceIdentifier.keyOf(nodeConnectorII);
 104                 try {
 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);
 108                 }
 109             }
 110         }
 111
 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);
 116
 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);
 122             }
 123             if(dataObject instanceof Meter){
 124                 InstanceIdentifier<Meter> meterII = (InstanceIdentifier<Meter>)dataObjectInstance;
 125
 126                 InstanceIdentifier<?> nodeMeterConfigStatsAugmentation =
 127                         InstanceIdentifier.builder(meterII).augmentation(NodeMeterConfigStats.class).toInstance();
 128                 it.removeOperationalData(nodeMeterConfigStatsAugmentation);
 129
 130                 InstanceIdentifier<?> nodeMeterStatisticsAugmentation =
 131                         InstanceIdentifier.builder(meterII).augmentation(NodeMeterStatistics.class).toInstance();
 132                 it.removeOperationalData(nodeMeterStatisticsAugmentation);
 133             }
 134
 135             if(dataObject instanceof Group){
 136                 InstanceIdentifier<Group> groupII = (InstanceIdentifier<Group>)dataObjectInstance;
 137
 138                 InstanceIdentifier<?> nodeGroupDescStatsAugmentation =
 139                         InstanceIdentifier.builder(groupII).augmentation(NodeGroupDescStats.class).toInstance();
 140                 it.removeOperationalData(nodeGroupDescStatsAugmentation);
 141
 142                 InstanceIdentifier<?> nodeGroupStatisticsAugmentation =
 143                         InstanceIdentifier.builder(groupII).augmentation(NodeGroupStatistics.class).toInstance();
 144                 it.removeOperationalData(nodeGroupStatisticsAugmentation);
 145             }
 146
 147             if(dataObject instanceof Queue){
 148                 InstanceIdentifier<Queue> queueII = (InstanceIdentifier<Queue>)dataObjectInstance;
 149
 150                 InstanceIdentifier<?> nodeConnectorQueueStatisticsDataAugmentation =
 151                         InstanceIdentifier.builder(queueII).augmentation(FlowCapableNodeConnectorQueueStatisticsData.class).toInstance();
 152                 it.removeOperationalData(nodeConnectorQueueStatisticsDataAugmentation);
 153             }
 154         }
 155         it.commit();
 156     }
 157 }