opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/StatisticsProvider.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.List;
  11 import java.util.concurrent.ConcurrentHashMap;
  12 import java.util.concurrent.ConcurrentMap;
  13 import java.util.concurrent.Future;
  14
  15 import org.eclipse.xtext.xbase.lib.Exceptions;
  16 import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
  17 import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
  18 import org.opendaylight.controller.sal.binding.api.data.DataProviderService;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetAllGroupStatisticsInputBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetAllGroupStatisticsOutput;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupDescriptionInputBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupDescriptionOutput;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupFeaturesInputBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupFeaturesOutput;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.OpendaylightGroupStatisticsService;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  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.GetAllMeterConfigStatisticsInputBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetAllMeterConfigStatisticsOutput;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetAllMeterStatisticsInputBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetAllMeterStatisticsOutput;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetMeterFeaturesInputBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetMeterFeaturesOutput;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.OpendaylightMeterStatisticsService;
  36 import org.opendaylight.yangtools.concepts.Registration;
  37 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  38 import org.opendaylight.yangtools.yang.binding.NotificationListener;
  39 import org.opendaylight.yangtools.yang.common.RpcResult;
  40 import org.slf4j.Logger;
  41 import org.slf4j.LoggerFactory;
  42
  43 public class StatisticsProvider implements AutoCloseable {
  44
  45     public final static Logger spLogger = LoggerFactory.getLogger(StatisticsProvider.class);
  46
  47     private DataProviderService dps;
  48
  49     private NotificationProviderService nps;
  50
  51     private OpendaylightGroupStatisticsService groupStatsService;
  52
  53     private OpendaylightMeterStatisticsService meterStatsService;
  54
  55     private Thread statisticsRequesterThread;
  56
  57     private final  InstanceIdentifier<Nodes> nodesIdentifier = InstanceIdentifier.builder().node(Nodes.class).toInstance();
  58
  59     //Local caching of stats
  60
  61     private final ConcurrentMap<NodeId,NodeStatistics> statisticsCache =
  62             new ConcurrentHashMap<NodeId,NodeStatistics>();
  63
  64     public DataProviderService getDataService() {
  65       return this.dps;
  66     }
  67
  68     public void setDataService(final DataProviderService dataService) {
  69       this.dps = dataService;
  70     }
  71
  72     public NotificationProviderService getNotificationService() {
  73       return this.nps;
  74     }
  75
  76     public void setNotificationService(final NotificationProviderService notificationService) {
  77       this.nps = notificationService;
  78     }
  79
  80     private final StatisticsUpdateCommiter updateCommiter = new StatisticsUpdateCommiter(StatisticsProvider.this);
  81
  82     private Registration<NotificationListener> listenerRegistration;
  83
  84     public void start() {
  85
  86         NotificationProviderService nps = this.getNotificationService();
  87         Registration<NotificationListener> registerNotificationListener = nps.registerNotificationListener(this.updateCommiter);
  88         this.listenerRegistration = registerNotificationListener;
  89
  90         // Get Group/Meter statistics service instance
  91         groupStatsService = StatisticsManagerActivator.getProviderContext().
  92                 getRpcService(OpendaylightGroupStatisticsService.class);
  93
  94         meterStatsService = StatisticsManagerActivator.getProviderContext().
  95                 getRpcService(OpendaylightMeterStatisticsService.class);
  96
  97         statisticsRequesterThread = new Thread( new Runnable(){
  98
  99             @Override
 100             public void run() {
 101                 while(true){
 102                     try {
 103                         statsRequestSender();
 104
 105                         Thread.sleep(5000);
 106                     }catch (Exception e){
 107                         spLogger.error("Exception occurred while sending stats request : {}",e);
 108                     }
 109                 }
 110             }
 111         });
 112
 113         spLogger.debug("Statistics requester thread started with timer interval : {}",5000);
 114
 115         statisticsRequesterThread.start();
 116
 117         spLogger.info("Statistics Provider started.");
 118     }
 119
 120     protected DataModificationTransaction startChange() {
 121
 122         DataProviderService dps = this.getDataService();
 123         return dps.beginTransaction();
 124     }
 125
 126     private void statsRequestSender(){
 127
 128         //Need to call API to receive all the nodes connected to controller.
 129         List<Node> targetNodes = getAllConnectedNodes();
 130
 131         for (Node targetNode : targetNodes){
 132             spLogger.info("Send request for stats collection to node : {})",targetNode.getId());
 133
 134             //We need to add check, so see if groups/meters are supported
 135             //by the target node. Below check doesn't look good.
 136             if(targetNode.getId().getValue().contains("openflow:")){
 137                 sendAllGroupStatisticsRequest(targetNode);
 138
 139                 sendAllMeterStatisticsRequest(targetNode);
 140
 141                 sendGroupDescriptionRequest(targetNode);
 142
 143                 sendGroupFeaturesRequest(targetNode);
 144
 145                 sendMeterConfigStatisticsRequest(targetNode);
 146
 147                 sendMeterFeaturesRequest(targetNode);
 148             }
 149         }
 150     }
 151
 152     private void sendAllGroupStatisticsRequest(Node targetNode){
 153
 154         final GetAllGroupStatisticsInputBuilder input = new GetAllGroupStatisticsInputBuilder();
 155
 156         input.setId(targetNode.getId());
 157
 158         Future<RpcResult<GetAllGroupStatisticsOutput>> response =
 159                 groupStatsService.getAllGroupStatistics(input.build());
 160     }
 161
 162     private void sendGroupDescriptionRequest(Node targetNode){
 163         final GetGroupDescriptionInputBuilder input = new GetGroupDescriptionInputBuilder();
 164
 165         input.setId(targetNode.getId());
 166
 167         Future<RpcResult<GetGroupDescriptionOutput>> response =
 168                 groupStatsService.getGroupDescription(input.build());
 169     }
 170
 171     private void sendGroupFeaturesRequest(Node targetNode){
 172
 173         GetGroupFeaturesInputBuilder input = new GetGroupFeaturesInputBuilder();
 174
 175         input.setId(targetNode.getId());
 176
 177         Future<RpcResult<GetGroupFeaturesOutput>> response =
 178                 groupStatsService.getGroupFeatures(input.build());
 179     }
 180
 181     private void sendAllMeterStatisticsRequest(Node targetNode){
 182
 183         GetAllMeterStatisticsInputBuilder input = new GetAllMeterStatisticsInputBuilder();
 184
 185         input.setId(targetNode.getId());
 186
 187         Future<RpcResult<GetAllMeterStatisticsOutput>> response =
 188                 meterStatsService.getAllMeterStatistics(input.build());
 189     }
 190
 191     private void sendMeterConfigStatisticsRequest(Node targetNode){
 192
 193         GetAllMeterConfigStatisticsInputBuilder input = new GetAllMeterConfigStatisticsInputBuilder();
 194
 195         input.setId(targetNode.getId());
 196
 197         Future<RpcResult<GetAllMeterConfigStatisticsOutput>> response =
 198                 meterStatsService.getAllMeterConfigStatistics(input.build());
 199
 200     }
 201     private void sendMeterFeaturesRequest(Node targetNode){
 202
 203         GetMeterFeaturesInputBuilder input = new GetMeterFeaturesInputBuilder();
 204
 205         input.setId(targetNode.getId());
 206
 207         Future<RpcResult<GetMeterFeaturesOutput>> response =
 208                 meterStatsService.getMeterFeatures(input.build());
 209     }
 210
 211     public ConcurrentMap<NodeId, NodeStatistics> getStatisticsCache() {
 212         return statisticsCache;
 213     }
 214
 215     private List<Node> getAllConnectedNodes(){
 216
 217         Nodes nodes = (Nodes) dps.readOperationalData(nodesIdentifier);
 218         spLogger.info("Number of connected nodes : {}",nodes.getNode().size());
 219         return nodes.getNode();
 220     }
 221
 222     @SuppressWarnings("deprecation")
 223     @Override
 224     public void close(){
 225
 226         try {
 227             spLogger.info("Statistics Provider stopped.");
 228             if (this.listenerRegistration != null) {
 229
 230                 this.listenerRegistration.close();
 231
 232                 this.statisticsRequesterThread.destroy();
 233
 234             }
 235           } catch (Throwable e) {
 236             throw Exceptions.sneakyThrow(e);
 237           }
 238
 239     }
 240
 241 }