openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/device/DeviceManagerImpl.java

   1 /**
   2  * Copyright (c) 2015 Cisco Systems, Inc. and others.  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.openflowplugin.impl.device;
   9
  10 import com.google.common.base.Preconditions;
  11 import com.google.common.util.concurrent.FutureCallback;
  12 import com.google.common.util.concurrent.Futures;
  13 import com.google.common.util.concurrent.ListenableFuture;
  14 import io.netty.util.HashedWheelTimer;
  15 import java.math.BigInteger;
  16 import java.util.ArrayList;
  17 import java.util.Arrays;
  18 import java.util.Collection;
  19 import java.util.Collections;
  20 import java.util.Iterator;
  21 import java.util.List;
  22 import java.util.concurrent.ScheduledThreadPoolExecutor;
  23 import java.util.concurrent.TimeUnit;
  24 import javax.annotation.CheckForNull;
  25 import javax.annotation.Nonnull;
  26 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  27 import org.opendaylight.controller.md.sal.binding.api.NotificationPublishService;
  28 import org.opendaylight.controller.md.sal.binding.api.NotificationService;
  29 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  30 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  31 import org.opendaylight.openflowjava.protocol.api.connection.OutboundQueue;
  32 import org.opendaylight.openflowplugin.api.ConnectionException;
  33 import org.opendaylight.openflowplugin.api.OFConstants;
  34 import org.opendaylight.openflowplugin.api.openflow.connection.ConnectionContext;
  35 import org.opendaylight.openflowplugin.api.openflow.connection.OutboundQueueProvider;
  36 import org.opendaylight.openflowplugin.api.openflow.connection.ThrottledNotificationsOfferer;
  37 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  38 import org.opendaylight.openflowplugin.api.openflow.device.DeviceManager;
  39 import org.opendaylight.openflowplugin.api.openflow.device.DeviceState;
  40 import org.opendaylight.openflowplugin.api.openflow.device.MessageTranslator;
  41 import org.opendaylight.openflowplugin.api.openflow.device.RequestContext;
  42 import org.opendaylight.openflowplugin.api.openflow.device.RequestContextStack;
  43 import org.opendaylight.openflowplugin.api.openflow.device.TranslatorLibrary;
  44 import org.opendaylight.openflowplugin.api.openflow.device.Xid;
  45 import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceInitializationPhaseHandler;
  46 import org.opendaylight.openflowplugin.api.openflow.device.handlers.MultiMsgCollector;
  47 import org.opendaylight.openflowplugin.api.openflow.md.core.TranslatorKey;
  48 import org.opendaylight.openflowplugin.api.openflow.statistics.ofpspecific.MessageIntelligenceAgency;
  49 import org.opendaylight.openflowplugin.impl.common.MultipartRequestInputFactory;
  50 import org.opendaylight.openflowplugin.impl.common.NodeStaticReplyTranslatorUtil;
  51 import org.opendaylight.openflowplugin.impl.connection.OutboundQueueProviderImpl;
  52 import org.opendaylight.openflowplugin.impl.connection.ThrottledNotificationsOffererImpl;
  53 import org.opendaylight.openflowplugin.impl.device.listener.OpenflowProtocolListenerFullImpl;
  54 import org.opendaylight.openflowplugin.impl.rpc.AbstractRequestContext;
  55 import org.opendaylight.openflowplugin.impl.util.DeviceStateUtil;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeBuilder;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.Table;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.TableBuilder;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.TableKey;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.FlowTableStatisticsData;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.FlowTableStatisticsDataBuilder;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.NodeGroupFeatures;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodesBuilder;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorBuilder;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeBuilder;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.NodeMeterFeatures;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.Capabilities;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.CapabilitiesV10;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartReply;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PortGrouping;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.MultipartReplyBody;
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyDescCase;
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyGroupFeaturesCase;
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyMeterFeaturesCase;
  83 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyPortDescCase;
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyTableFeaturesCase;
  85 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.desc._case.MultipartReplyDesc;
  86 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.group.features._case.MultipartReplyGroupFeatures;
  87 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.meter.features._case.MultipartReplyMeterFeatures;
  88 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.port.desc._case.MultipartReplyPortDesc;
  89 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.table.features._case.MultipartReplyTableFeatures;
  90 import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.FlowCapableNodeConnectorStatisticsData;
  91 import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.FlowCapableNodeConnectorStatisticsDataBuilder;
  92 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.table.features.TableFeatures;
  93 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  94 import org.opendaylight.yangtools.yang.common.RpcError;
  95 import org.opendaylight.yangtools.yang.common.RpcResult;
  96 import org.slf4j.Logger;
  97 import org.slf4j.LoggerFactory;
  98
  99 /**
 100  *
 101  */
 102 public class DeviceManagerImpl implements DeviceManager, AutoCloseable {
 103
 104     private static final Logger LOG = LoggerFactory.getLogger(DeviceManagerImpl.class);
 105
 106     private static final long TICK_DURATION = 10; // 0.5 sec.
 107     private ScheduledThreadPoolExecutor spyPool;
 108     private final int spyRate = 10;
 109
 110     private final DataBroker dataBroker;
 111     private final HashedWheelTimer hashedWheelTimer;
 112     private RequestContextStack emptyRequestContextStack;
 113     private TranslatorLibrary translatorLibrary;
 114     private DeviceInitializationPhaseHandler deviceInitPhaseHandler;
 115     private NotificationService notificationService;
 116     private NotificationPublishService notificationPublishService;
 117     private ThrottledNotificationsOfferer throttledNotificationsOfferer;
 118
 119     private final List<DeviceContext> deviceContexts = new ArrayList<DeviceContext>();
 120     private final MessageIntelligenceAgency messageIntelligenceAgency;
 121
 122     private final long barrierNanos = TimeUnit.MILLISECONDS.toNanos(500);
 123     private final int maxQueueDepth = 25600;
 124
 125     public DeviceManagerImpl(@Nonnull final DataBroker dataBroker,
 126                              @Nonnull final MessageIntelligenceAgency messageIntelligenceAgency) {
 127         this.dataBroker = Preconditions.checkNotNull(dataBroker);
 128         hashedWheelTimer = new HashedWheelTimer(TICK_DURATION, TimeUnit.MILLISECONDS, 500);
 129         /* merge empty nodes to oper DS to predict any problems with missing parent for Node */
 130         final WriteTransaction tx = dataBroker.newWriteOnlyTransaction();
 131         tx.merge(LogicalDatastoreType.OPERATIONAL, InstanceIdentifier.create(Nodes.class), new NodesBuilder().build());
 132         tx.submit();
 133
 134         this.messageIntelligenceAgency = messageIntelligenceAgency;
 135     }
 136
 137     @Override
 138     public void setDeviceInitializationPhaseHandler(final DeviceInitializationPhaseHandler handler) {
 139         deviceInitPhaseHandler = handler;
 140     }
 141
 142     @Override
 143     public void onDeviceContextLevelUp(final DeviceContext deviceContext) {
 144         // final phase - we have to add new Device to MD-SAL DataStore
 145         Preconditions.checkNotNull(deviceContext);
 146         ((DeviceContextImpl) deviceContext).submitTransaction();
 147     }
 148
 149     @Override
 150     public void deviceConnected(@CheckForNull final ConnectionContext connectionContext) {
 151         Preconditions.checkArgument(connectionContext != null);
 152
 153         final Short version = connectionContext.getFeatures().getVersion();
 154         OutboundQueueProvider outboundQueueProvider = new OutboundQueueProviderImpl(version);
 155         connectionContext.getConnectionAdapter().registerOutboundQueueHandler(outboundQueueProvider, maxQueueDepth, barrierNanos);
 156         connectionContext.setOutboundQueueProvider(outboundQueueProvider);
 157
 158         final DeviceState deviceState = new DeviceStateImpl(connectionContext.getFeatures(), connectionContext.getNodeId());
 159
 160         final DeviceContext deviceContext = new DeviceContextImpl(connectionContext, deviceState, dataBroker, hashedWheelTimer, messageIntelligenceAgency, throttledNotificationsOfferer);
 161
 162         deviceContext.setNotificationService(notificationService);
 163         deviceContext.setNotificationPublishService(notificationPublishService);
 164         deviceContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, deviceState.getNodeInstanceIdentifier(), new NodeBuilder().setId(deviceState.getNodeId()).build());
 165
 166         connectionContext.setDeviceDisconnectedHandler(deviceContext);
 167         deviceContext.setTranslatorLibrary(translatorLibrary);
 168         deviceContext.addDeviceContextClosedHandler(this);
 169
 170         emptyRequestContextStack = new RequestContextStack() {
 171             @Override
 172             public <T> RequestContext<T> createRequestContext() {
 173                 return new AbstractRequestContext<T>(deviceContext.getReservedXid()) {
 174                     @Override
 175                     public void close() {
 176                         //NOOP
 177                     }
 178                 };
 179             }
 180         };
 181
 182         final OpenflowProtocolListenerFullImpl messageListener = new OpenflowProtocolListenerFullImpl(
 183                 connectionContext.getConnectionAdapter(), deviceContext);
 184
 185         final ListenableFuture<List<RpcResult<List<MultipartReply>>>> deviceFeaturesFuture;
 186
 187
 188         if (OFConstants.OFP_VERSION_1_0 == version) {
 189             final CapabilitiesV10 capabilitiesV10 = connectionContext.getFeatures().getCapabilitiesV10();
 190
 191             DeviceStateUtil.setDeviceStateBasedOnV10Capabilities(deviceState, capabilitiesV10);
 192
 193             deviceFeaturesFuture = createDeviceFeaturesForOF10(deviceContext, deviceState);
 194             // create empty tables after device description is processed
 195             chainTableTrunkWriteOF10(deviceContext, deviceFeaturesFuture);
 196
 197             for (final PortGrouping port : connectionContext.getFeatures().getPhyPort()) {
 198                 final short ofVersion = deviceContext.getDeviceState().getVersion();
 199                 final TranslatorKey translatorKey = new TranslatorKey(ofVersion, PortGrouping.class.getName());
 200                 final MessageTranslator<PortGrouping, FlowCapableNodeConnector> translator = deviceContext.oook().lookupTranslator(translatorKey);
 201                 final FlowCapableNodeConnector fcNodeConnector = translator.translate(port, deviceContext, null);
 202
 203                 final BigInteger dataPathId = deviceContext.getPrimaryConnectionContext().getFeatures().getDatapathId();
 204                 final NodeConnectorId nodeConnectorId = NodeStaticReplyTranslatorUtil.nodeConnectorId(dataPathId.toString(), port.getPortNo(), ofVersion);
 205                 final NodeConnectorBuilder ncBuilder = new NodeConnectorBuilder().setId(nodeConnectorId);
 206                 ncBuilder.addAugmentation(FlowCapableNodeConnector.class, fcNodeConnector);
 207                 ncBuilder.addAugmentation(FlowCapableNodeConnectorStatisticsData.class, new FlowCapableNodeConnectorStatisticsDataBuilder().build());
 208                 final NodeConnector connector = ncBuilder.build();
 209                 final InstanceIdentifier<NodeConnector> connectorII = deviceState.getNodeInstanceIdentifier().child(NodeConnector.class, connector.getKey());
 210                 deviceContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, connectorII, connector);
 211             }
 212         } else if (OFConstants.OFP_VERSION_1_3 == version) {
 213             final Capabilities capabilities = connectionContext.getFeatures().getCapabilities();
 214             LOG.debug("Setting capabilities for device {}", deviceContext.getDeviceState().getNodeId());
 215             DeviceStateUtil.setDeviceStateBasedOnV13Capabilities(deviceState, capabilities);
 216             deviceFeaturesFuture = createDeviceFeaturesForOF13(deviceContext, deviceState);
 217         } else {
 218             deviceFeaturesFuture = Futures.immediateFailedFuture(new ConnectionException("Unsupported version " + version));
 219         }
 220
 221         Futures.addCallback(deviceFeaturesFuture, new FutureCallback<List<RpcResult<List<MultipartReply>>>>() {
 222             @Override
 223             public void onSuccess(final List<RpcResult<List<MultipartReply>>> result) {
 224                 deviceContext.getDeviceState().setValid(true);
 225                 deviceInitPhaseHandler.onDeviceContextLevelUp(deviceContext);
 226             }
 227
 228             @Override
 229             public void onFailure(final Throwable t) {
 230                 // FIXME : remove session
 231                 LOG.trace("Device capabilities gathering future failed.");
 232                 LOG.trace("more info in exploration failure..", t);
 233             }
 234         });
 235     }
 236
 237     private static void chainTableTrunkWriteOF10(final DeviceContext deviceContext, final ListenableFuture<List<RpcResult<List<MultipartReply>>>> deviceFeaturesFuture) {
 238         Futures.addCallback(deviceFeaturesFuture, new FutureCallback<List<RpcResult<List<MultipartReply>>>>() {
 239             @Override
 240             public void onSuccess(final List<RpcResult<List<MultipartReply>>> results) {
 241                 boolean allSucceeded = true;
 242                 for (final RpcResult<List<MultipartReply>> rpcResult : results) {
 243                     allSucceeded &= rpcResult.isSuccessful();
 244                 }
 245                 if (allSucceeded) {
 246                     createEmptyFlowCapableNodeInDs(deviceContext);
 247                     makeEmptyTables(deviceContext, deviceContext.getDeviceState().getNodeInstanceIdentifier(),
 248                             deviceContext.getDeviceState().getFeatures().getTables());
 249                 }
 250             }
 251
 252             @Override
 253             public void onFailure(final Throwable t) {
 254                 //NOOP
 255             }
 256         });
 257     }
 258
 259     private ListenableFuture<RpcResult<List<MultipartReply>>> processReplyDesc(final DeviceContext deviceContext,
 260                                                                                final DeviceState deviceState) {
 261
 262         final ListenableFuture<RpcResult<List<MultipartReply>>> replyDesc = getNodeStaticInfo(MultipartType.OFPMPDESC,
 263                 deviceContext,
 264                 deviceState.getNodeInstanceIdentifier(),
 265                 deviceState.getVersion());
 266         return replyDesc;
 267     }
 268
 269     private ListenableFuture<List<RpcResult<List<MultipartReply>>>> createDeviceFeaturesForOF10(final DeviceContext deviceContext,
 270                                                                                                 final DeviceState deviceState) {
 271         return Futures.allAsList(Arrays.asList(processReplyDesc(deviceContext, deviceState)));
 272     }
 273
 274     private ListenableFuture<List<RpcResult<List<MultipartReply>>>> createDeviceFeaturesForOF13(final DeviceContext deviceContext,
 275                                                                                                 final DeviceState deviceState) {
 276         final ListenableFuture<RpcResult<List<MultipartReply>>> replyDesc = processReplyDesc(deviceContext, deviceState);
 277
 278         final ListenableFuture<RpcResult<List<MultipartReply>>> replyMeterFeature = getNodeStaticInfo(MultipartType.OFPMPMETERFEATURES,
 279                 deviceContext,
 280                 deviceState.getNodeInstanceIdentifier(),
 281                 deviceState.getVersion());
 282
 283         final ListenableFuture<RpcResult<List<MultipartReply>>> replyGroupFeatures = getNodeStaticInfo(MultipartType.OFPMPGROUPFEATURES,
 284                 deviceContext,
 285                 deviceState.getNodeInstanceIdentifier(),
 286                 deviceState.getVersion());
 287
 288         final ListenableFuture<RpcResult<List<MultipartReply>>> replyTableFeatures = getNodeStaticInfo(MultipartType.OFPMPTABLEFEATURES,
 289                 deviceContext,
 290                 deviceState.getNodeInstanceIdentifier(),
 291                 deviceState.getVersion());
 292
 293         final ListenableFuture<RpcResult<List<MultipartReply>>> replyPortDescription = getNodeStaticInfo(MultipartType.OFPMPPORTDESC,
 294                 deviceContext,
 295                 deviceState.getNodeInstanceIdentifier(),
 296                 deviceState.getVersion());
 297
 298         return Futures.allAsList(Arrays.asList(replyDesc,
 299                 replyMeterFeature,
 300                 replyGroupFeatures,
 301 //                        replyTableFeatures,
 302                 replyPortDescription));
 303
 304     }
 305
 306     @Override
 307     public TranslatorLibrary oook() {
 308         return translatorLibrary;
 309     }
 310
 311     @Override
 312     public void setTranslatorLibrary(final TranslatorLibrary translatorLibrary) {
 313         this.translatorLibrary = translatorLibrary;
 314     }
 315
 316     private ListenableFuture<RpcResult<List<MultipartReply>>> getNodeStaticInfo(final MultipartType type, final DeviceContext deviceContext,
 317                                                                                 final InstanceIdentifier<Node> nodeII, final short version) {
 318
 319         final OutboundQueue queue = deviceContext.getPrimaryConnectionContext().getOutboundQueueProvider();
 320
 321         final RequestContext<List<MultipartReply>> requestContext = emptyRequestContextStack.createRequestContext();
 322         final Xid xid = requestContext.getXid();
 323
 324         LOG.trace("Hooking xid {} to device context - precaution.", requestContext.getXid().getValue());
 325
 326         final ListenableFuture<RpcResult<List<MultipartReply>>> requestContextFuture = requestContext.getFuture();
 327
 328         final MultiMsgCollector multiMsgCollector = deviceContext.getMultiMsgCollector();
 329         multiMsgCollector.registerMultipartRequestContext(requestContext);
 330
 331         createSuccessProcessingCallback(type, deviceContext, nodeII, requestContextFuture);
 332
 333         queue.commitEntry(xid.getValue(), MultipartRequestInputFactory.makeMultipartRequestInput(xid.getValue(), version, type), new FutureCallback<OfHeader>() {
 334             @Override
 335             public void onSuccess(final OfHeader ofHeader) {
 336                 if (ofHeader instanceof MultipartReply) {
 337                     MultipartReply multipartReply = (MultipartReply) ofHeader;
 338                     multiMsgCollector.addMultipartMsg(multipartReply);
 339                 } else {
 340                     if (null != ofHeader) {
 341                         LOG.info("Unexpected response type received {}.", ofHeader.getClass());
 342                     } else {
 343                         LOG.info("Response received is null.");
 344                     }
 345                 }
 346
 347             }
 348
 349             @Override
 350             public void onFailure(final Throwable t) {
 351                 LOG.info("Fail response from OutboundQueue.");
 352             }
 353         });
 354
 355
 356         return requestContext.getFuture();
 357     }
 358
 359     private void createSuccessProcessingCallback(final MultipartType type, final DeviceContext deviceContext, final InstanceIdentifier<Node> nodeII, final ListenableFuture<RpcResult<List<MultipartReply>>> requestContextFuture) {
 360         Futures.addCallback(requestContextFuture, new FutureCallback<RpcResult<List<MultipartReply>>>() {
 361             @Override
 362             public void onSuccess(final RpcResult<List<MultipartReply>> rpcResult) {
 363                 final List<MultipartReply> result = rpcResult.getResult();
 364                 if (result != null) {
 365                     LOG.info("Static node {} info: {} collected", nodeII.toString(), type);
 366                     translateAndWriteReply(type, deviceContext, nodeII, result);
 367                 } else {
 368                     final Iterator<RpcError> rpcErrorIterator = rpcResult.getErrors().iterator();
 369                     while (rpcErrorIterator.hasNext()) {
 370                         final RpcError rpcError = rpcErrorIterator.next();
 371                         LOG.info("Failed to retrieve static node {} info: {}", type, rpcError.getMessage());
 372                         if (null != rpcError.getCause()) {
 373                             LOG.trace("Detailed error:", rpcError.getCause());
 374                         }
 375                     }
 376                     if (MultipartType.OFPMPTABLEFEATURES.equals(type)) {
 377                         makeEmptyTables(deviceContext, nodeII, deviceContext.getPrimaryConnectionContext().getFeatures().getTables());
 378                     }
 379                 }
 380             }
 381
 382             @Override
 383             public void onFailure(final Throwable throwable) {
 384                 LOG.info("Request of type {} for static info of node {} failed.", type, nodeII);
 385             }
 386         });
 387     }
 388
 389     // FIXME : remove after ovs tableFeatures fix
 390     private static void makeEmptyTables(final DeviceContext dContext, final InstanceIdentifier<Node> nodeII, final Short nrOfTables) {
 391         LOG.debug("About to create {} empty tables.", nrOfTables);
 392         for (int i = 0; i < nrOfTables; i++) {
 393             final short tId = (short) i;
 394             final InstanceIdentifier<Table> tableII = nodeII.augmentation(FlowCapableNode.class).child(Table.class, new TableKey(tId));
 395             final TableBuilder tableBuilder = new TableBuilder().setId(tId).addAugmentation(FlowTableStatisticsData.class, new FlowTableStatisticsDataBuilder().build());
 396             dContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, tableII, tableBuilder.build());
 397         }
 398     }
 399
 400     private static void translateAndWriteReply(final MultipartType type, final DeviceContext dContext,
 401                                                final InstanceIdentifier<Node> nodeII, final Collection<MultipartReply> result) {
 402         for (final MultipartReply reply : result) {
 403             final MultipartReplyBody body = reply.getMultipartReplyBody();
 404             switch (type) {
 405                 case OFPMPDESC:
 406                     Preconditions.checkArgument(body instanceof MultipartReplyDescCase);
 407                     final MultipartReplyDesc replyDesc = ((MultipartReplyDescCase) body).getMultipartReplyDesc();
 408                     final FlowCapableNode fcNode = NodeStaticReplyTranslatorUtil.nodeDescTranslator(replyDesc);
 409                     final InstanceIdentifier<FlowCapableNode> fNodeII = nodeII.augmentation(FlowCapableNode.class);
 410                     dContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, fNodeII, fcNode);
 411                     break;
 412
 413                 case OFPMPTABLEFEATURES:
 414                     Preconditions.checkArgument(body instanceof MultipartReplyTableFeaturesCase);
 415                     final MultipartReplyTableFeatures tableFeatures = ((MultipartReplyTableFeaturesCase) body).getMultipartReplyTableFeatures();
 416                     final List<TableFeatures> tables = NodeStaticReplyTranslatorUtil.nodeTableFeatureTranslator(tableFeatures);
 417                     for (final TableFeatures table : tables) {
 418                         final Short tableId = table.getTableId();
 419                         final InstanceIdentifier<Table> tableII = nodeII.augmentation(FlowCapableNode.class).child(Table.class, new TableKey(tableId));
 420                         final TableBuilder tableBuilder = new TableBuilder().setId(tableId).setTableFeatures(Collections.singletonList(table));
 421                         tableBuilder.addAugmentation(FlowTableStatisticsData.class, new FlowTableStatisticsDataBuilder().build());
 422                         dContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, tableII, tableBuilder.build());
 423                     }
 424                     break;
 425
 426                 case OFPMPMETERFEATURES:
 427                     Preconditions.checkArgument(body instanceof MultipartReplyMeterFeaturesCase);
 428                     final MultipartReplyMeterFeatures meterFeatures = ((MultipartReplyMeterFeaturesCase) body).getMultipartReplyMeterFeatures();
 429                     final NodeMeterFeatures mFeature = NodeStaticReplyTranslatorUtil.nodeMeterFeatureTranslator(meterFeatures);
 430                     final InstanceIdentifier<NodeMeterFeatures> mFeatureII = nodeII.augmentation(NodeMeterFeatures.class);
 431                     dContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, mFeatureII, mFeature);
 432                     if (0L < mFeature.getMeterFeatures().getMaxMeter().getValue()) {
 433                         dContext.getDeviceState().setMeterAvailable(true);
 434                     }
 435                     break;
 436
 437                 case OFPMPGROUPFEATURES:
 438                     Preconditions.checkArgument(body instanceof MultipartReplyGroupFeaturesCase);
 439                     final MultipartReplyGroupFeatures groupFeatures = ((MultipartReplyGroupFeaturesCase) body).getMultipartReplyGroupFeatures();
 440                     final NodeGroupFeatures gFeature = NodeStaticReplyTranslatorUtil.nodeGroupFeatureTranslator(groupFeatures);
 441                     final InstanceIdentifier<NodeGroupFeatures> gFeatureII = nodeII.augmentation(NodeGroupFeatures.class);
 442                     dContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, gFeatureII, gFeature);
 443                     break;
 444
 445                 case OFPMPPORTDESC:
 446                     Preconditions.checkArgument(body instanceof MultipartReplyPortDescCase);
 447                     final MultipartReplyPortDesc portDesc = ((MultipartReplyPortDescCase) body).getMultipartReplyPortDesc();
 448                     for (final PortGrouping port : portDesc.getPorts()) {
 449                         final short ofVersion = dContext.getDeviceState().getVersion();
 450                         final TranslatorKey translatorKey = new TranslatorKey(ofVersion, PortGrouping.class.getName());
 451                         final MessageTranslator<PortGrouping, FlowCapableNodeConnector> translator = dContext.oook().lookupTranslator(translatorKey);
 452                         final FlowCapableNodeConnector fcNodeConnector = translator.translate(port, dContext, null);
 453
 454                         final BigInteger dataPathId = dContext.getPrimaryConnectionContext().getFeatures().getDatapathId();
 455                         final NodeConnectorId nodeConnectorId = NodeStaticReplyTranslatorUtil.nodeConnectorId(dataPathId.toString(), port.getPortNo(), ofVersion);
 456                         final NodeConnectorBuilder ncBuilder = new NodeConnectorBuilder().setId(nodeConnectorId);
 457                         ncBuilder.addAugmentation(FlowCapableNodeConnector.class, fcNodeConnector);
 458                         ncBuilder.addAugmentation(FlowCapableNodeConnectorStatisticsData.class, new FlowCapableNodeConnectorStatisticsDataBuilder().build());
 459                         final NodeConnector connector = ncBuilder.build();
 460
 461                         final InstanceIdentifier<NodeConnector> connectorII = nodeII.child(NodeConnector.class, connector.getKey());
 462                         dContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, connectorII, connector);
 463                     }
 464
 465                     break;
 466
 467                 default:
 468                     throw new IllegalArgumentException("Unnexpected MultipartType " + type);
 469             }
 470         }
 471     }
 472
 473     @Override
 474     public void setNotificationService(final NotificationService notificationServiceParam) {
 475         notificationService = notificationServiceParam;
 476     }
 477
 478     @Override
 479     public void setNotificationPublishService(final NotificationPublishService notificationService) {
 480         this.notificationPublishService = notificationService;
 481     }
 482
 483     @Override
 484     public void close() throws Exception {
 485         for (final DeviceContext deviceContext : deviceContexts) {
 486             deviceContext.close();
 487         }
 488         if (throttledNotificationsOfferer != null) {
 489             throttledNotificationsOfferer.close();
 490         }
 491     }
 492
 493     private static void createEmptyFlowCapableNodeInDs(final DeviceContext deviceContext) {
 494         final FlowCapableNodeBuilder flowCapableNodeBuilder = new FlowCapableNodeBuilder();
 495         final InstanceIdentifier<FlowCapableNode> fNodeII = deviceContext.getDeviceState().getNodeInstanceIdentifier().augmentation(FlowCapableNode.class);
 496         deviceContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, fNodeII, flowCapableNodeBuilder.build());
 497     }
 498
 499     @Override
 500     public void onDeviceContextClosed(final DeviceContext deviceContext) {
 501         deviceContexts.remove(deviceContext);
 502         emptyRequestContextStack = null;
 503     }
 504
 505     @Override
 506     public void initialize() {
 507         spyPool = new ScheduledThreadPoolExecutor(1);
 508         spyPool.scheduleAtFixedRate(messageIntelligenceAgency, spyRate, spyRate, TimeUnit.SECONDS);
 509
 510         throttledNotificationsOfferer = new ThrottledNotificationsOffererImpl(notificationPublishService, messageIntelligenceAgency);
 511     }
 512 }