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.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.node.NodeConnector;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  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;
  35
  36 /**
  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
  40  *
  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.
  43  *
  44  * @author avishnoi@in.ibm.com
  45  *
  46  */
  47 public class StatisticsUpdateHandler implements DataChangeListener {
  48
  49     private static final Logger suhLogger = LoggerFactory.getLogger(StatisticsUpdateHandler.class);
  50     private final StatisticsProvider statisticsManager;
  51
  52     public StatisticsUpdateHandler(final StatisticsProvider manager){
  53         this.statisticsManager = manager;
  54     }
  55
  56     @SuppressWarnings("unchecked")
  57     @Override
  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             NodeKey nodeII = dataObjectInstance.firstKeyOf(Node.class, NodeKey.class);
  63             if(dataObject instanceof Flow){
  64                 Flow flow = (Flow) dataObject;
  65                 try {
  66                     this.statisticsManager.sendFlowStatsFromTableRequest(nodeII, flow);
  67                 } catch (InterruptedException | ExecutionException e) {
  68                     suhLogger.warn("Following exception occured while sending flow statistics request newly added flow: {}", e);
  69                 }
  70             }
  71             if(dataObject instanceof Meter){
  72                 try {
  73                     this.statisticsManager.sendMeterConfigStatisticsRequest(nodeII);
  74                 } catch (InterruptedException | ExecutionException e) {
  75                     suhLogger.warn("Following exception occured while sending meter statistics request for newly added meter: {}", e);
  76                 }
  77             }
  78             if(dataObject instanceof Group){
  79                 try {
  80                     this.statisticsManager.sendGroupDescriptionRequest(nodeII);
  81                 } catch (InterruptedException | ExecutionException e) {
  82                     suhLogger.warn("Following exception occured while sending group description request for newly added group: {}", e);
  83                 }
  84             }
  85             if(dataObject instanceof Queue){
  86                 Queue queue = (Queue) dataObject;
  87                 InstanceIdentifier<NodeConnector> nodeConnectorII = dataObjectInstance.firstIdentifierOf(NodeConnector.class);
  88                 NodeConnectorKey nodeConnectorKey = InstanceIdentifier.keyOf(nodeConnectorII);
  89                 try {
  90                     this.statisticsManager.sendQueueStatsFromGivenNodeConnector(nodeII,
  91                             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);
  94                 }
  95             }
  96         }
  97
  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);
 102
 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);
 108             }
 109             if(dataObject instanceof Meter){
 110                 InstanceIdentifier<Meter> meterII = (InstanceIdentifier<Meter>)dataObjectInstance;
 111
 112                 InstanceIdentifier<?> nodeMeterConfigStatsAugmentation =
 113                         InstanceIdentifier.builder(meterII).augmentation(NodeMeterConfigStats.class).toInstance();
 114                 it.removeOperationalData(nodeMeterConfigStatsAugmentation);
 115
 116                 InstanceIdentifier<?> nodeMeterStatisticsAugmentation =
 117                         InstanceIdentifier.builder(meterII).augmentation(NodeMeterStatistics.class).toInstance();
 118                 it.removeOperationalData(nodeMeterStatisticsAugmentation);
 119             }
 120
 121             if(dataObject instanceof Group){
 122                 InstanceIdentifier<Group> groupII = (InstanceIdentifier<Group>)dataObjectInstance;
 123
 124                 InstanceIdentifier<?> nodeGroupDescStatsAugmentation =
 125                         InstanceIdentifier.builder(groupII).augmentation(NodeGroupDescStats.class).toInstance();
 126                 it.removeOperationalData(nodeGroupDescStatsAugmentation);
 127
 128                 InstanceIdentifier<?> nodeGroupStatisticsAugmentation =
 129                         InstanceIdentifier.builder(groupII).augmentation(NodeGroupStatistics.class).toInstance();
 130                 it.removeOperationalData(nodeGroupStatisticsAugmentation);
 131             }
 132
 133             if(dataObject instanceof Queue){
 134                 InstanceIdentifier<Queue> queueII = (InstanceIdentifier<Queue>)dataObjectInstance;
 135
 136                 InstanceIdentifier<?> nodeConnectorQueueStatisticsDataAugmentation =
 137                         InstanceIdentifier.builder(queueII).augmentation(FlowCapableNodeConnectorQueueStatisticsData.class).toInstance();
 138                 it.removeOperationalData(nodeConnectorQueueStatisticsDataAugmentation);
 139             }
 140         }
 141         it.commit();
 142     }
 143 }