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     public final static Logger suhLogger = LoggerFactory.getLogger(StatisticsUpdateHandler.class);
  51
  52     private final StatisticsProvider statisticsManager;
  53
  54     public StatisticsUpdateHandler(final StatisticsProvider manager){
  55
  56         this.statisticsManager = manager;
  57     }
  58
  59     public StatisticsProvider getStatisticsManager(){
  60         return statisticsManager;
  61     }
  62
  63     @SuppressWarnings("unchecked")
  64     @Override
  65     public void onDataChanged(DataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
  66
  67         Map<InstanceIdentifier<?>, DataObject> nodeAdditions = change.getCreatedOperationalData();
  68         for (InstanceIdentifier<? extends DataObject> dataObjectInstance : nodeAdditions.keySet()) {
  69             DataObject dataObject = nodeAdditions.get(dataObjectInstance);
  70             if(dataObject instanceof Node){
  71
  72                 Node node = (Node) dataObject;
  73                 if(node.getAugmentation(FlowCapableNode.class) != null){
  74                     this.statisticsManager.sendStatisticsRequestsToNode(node);
  75                 }
  76             }
  77         }
  78
  79         Map<InstanceIdentifier<?>, DataObject> additions = change.getCreatedConfigurationData();
  80         for (InstanceIdentifier<? extends DataObject> dataObjectInstance : additions.keySet()) {
  81             DataObject dataObject = additions.get(dataObjectInstance);
  82             InstanceIdentifier<Node> nodeII = dataObjectInstance.firstIdentifierOf(Node.class);
  83             NodeRef nodeRef = new NodeRef(nodeII);
  84             if(dataObject instanceof Flow){
  85                 Flow flow = (Flow) dataObject;
  86                 try {
  87                     this.statisticsManager.sendFlowStatsFromTableRequest(nodeRef, flow);
  88                 } catch (InterruptedException | ExecutionException e) {
  89                     suhLogger.warn("Following exception occured while sending flow statistics request newly added flow: {}", e);
  90                 }
  91             }
  92             if(dataObject instanceof Meter){
  93                 try {
  94                     this.statisticsManager.sendMeterConfigStatisticsRequest(nodeRef);
  95                 } catch (InterruptedException | ExecutionException e) {
  96                     suhLogger.warn("Following exception occured while sending meter statistics request for newly added meter: {}", e);
  97                 }
  98             }
  99             if(dataObject instanceof Group){
 100                 try {
 101                     this.statisticsManager.sendGroupDescriptionRequest(nodeRef);
 102                 } catch (InterruptedException | ExecutionException e) {
 103                     suhLogger.warn("Following exception occured while sending group description request for newly added group: {}", e);
 104                 }
 105             }
 106             if(dataObject instanceof Queue){
 107                 Queue queue = (Queue) dataObject;
 108                 InstanceIdentifier<NodeConnector> nodeConnectorII = dataObjectInstance.firstIdentifierOf(NodeConnector.class);
 109                 NodeConnectorKey nodeConnectorKey = InstanceIdentifier.keyOf(nodeConnectorII);
 110                 try {
 111                     this.statisticsManager.sendQueueStatsFromGivenNodeConnector(nodeRef, nodeConnectorKey.getId(), queue.getQueueId());
 112                 } catch (InterruptedException | ExecutionException e) {
 113                     suhLogger.warn("Following exception occured while sending queue statistics request for newly added group: {}", e);
 114                 }
 115             }
 116         }
 117
 118         Set<InstanceIdentifier<? extends DataObject>> removals = change.getRemovedConfigurationData();
 119         for (InstanceIdentifier<? extends DataObject> dataObjectInstance : removals) {
 120             DataObject dataObject = change.getOriginalConfigurationData().get(dataObjectInstance);
 121
 122             if(dataObject instanceof Flow){
 123                 InstanceIdentifier<Flow> flowII = (InstanceIdentifier<Flow>)dataObjectInstance;
 124                 InstanceIdentifier<?> flowAugmentation =
 125                         InstanceIdentifier.builder(flowII).augmentation(FlowStatisticsData.class).toInstance();
 126                 removeAugmentedOperationalData(flowAugmentation);
 127             }
 128             if(dataObject instanceof Meter){
 129                 InstanceIdentifier<Meter> meterII = (InstanceIdentifier<Meter>)dataObjectInstance;
 130
 131                 InstanceIdentifier<?> nodeMeterConfigStatsAugmentation =
 132                         InstanceIdentifier.builder(meterII).augmentation(NodeMeterConfigStats.class).toInstance();
 133                 removeAugmentedOperationalData(nodeMeterConfigStatsAugmentation);
 134
 135                 InstanceIdentifier<?> nodeMeterStatisticsAugmentation =
 136                         InstanceIdentifier.builder(meterII).augmentation(NodeMeterStatistics.class).toInstance();
 137                 removeAugmentedOperationalData(nodeMeterStatisticsAugmentation);
 138             }
 139
 140             if(dataObject instanceof Group){
 141                 InstanceIdentifier<Group> groupII = (InstanceIdentifier<Group>)dataObjectInstance;
 142
 143                 InstanceIdentifier<?> nodeGroupDescStatsAugmentation =
 144                         InstanceIdentifier.builder(groupII).augmentation(NodeGroupDescStats.class).toInstance();
 145                 removeAugmentedOperationalData(nodeGroupDescStatsAugmentation);
 146
 147                 InstanceIdentifier<?> nodeGroupStatisticsAugmentation =
 148                         InstanceIdentifier.builder(groupII).augmentation(NodeGroupStatistics.class).toInstance();
 149                 removeAugmentedOperationalData(nodeGroupStatisticsAugmentation);
 150             }
 151
 152             if(dataObject instanceof Queue){
 153                 InstanceIdentifier<Queue> queueII = (InstanceIdentifier<Queue>)dataObjectInstance;
 154
 155                 InstanceIdentifier<?> nodeConnectorQueueStatisticsDataAugmentation =
 156                         InstanceIdentifier.builder(queueII).augmentation(FlowCapableNodeConnectorQueueStatisticsData.class).toInstance();
 157                 removeAugmentedOperationalData(nodeConnectorQueueStatisticsDataAugmentation);
 158             }
 159         }
 160     }
 161
 162     private void removeAugmentedOperationalData(InstanceIdentifier<? extends DataObject> dataObjectInstance ){
 163         if(dataObjectInstance != null){
 164             DataModificationTransaction it = this.statisticsManager.startChange();
 165             it.removeOperationalData(dataObjectInstance);
 166             it.commit();
 167         }
 168     }
 169 }