applications/forwardingrules-sync/src/main/java/org/opendaylight/openflowplugin/applications/frsync/impl/strategy/SyncPlanPushStrategyIncrementalImpl.java

   1 /**
   2  * Copyright (c) 2016 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
   9 package org.opendaylight.openflowplugin.applications.frsync.impl.strategy;
  10
  11 import com.google.common.collect.Iterables;
  12 import com.google.common.util.concurrent.AsyncFunction;
  13 import com.google.common.util.concurrent.Futures;
  14 import com.google.common.util.concurrent.JdkFutureAdapters;
  15 import com.google.common.util.concurrent.MoreExecutors;
  16 import com.google.common.util.concurrent.ListenableFuture;
  17 import java.util.ArrayList;
  18 import java.util.Collections;
  19 import java.util.List;
  20 import java.util.Map;
  21 import org.opendaylight.openflowplugin.applications.frsync.SyncPlanPushStrategy;
  22 import org.opendaylight.openflowplugin.applications.frsync.util.CrudCounts;
  23 import org.opendaylight.openflowplugin.applications.frsync.util.FxChainUtil;
  24 import org.opendaylight.openflowplugin.applications.frsync.util.ItemSyncBox;
  25 import org.opendaylight.openflowplugin.applications.frsync.util.PathUtil;
  26 import org.opendaylight.openflowplugin.applications.frsync.util.ReconcileUtil;
  27 import org.opendaylight.openflowplugin.applications.frsync.util.SyncCrudCounters;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.MeterKey;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.Table;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.TableKey;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowKey;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.AddFlowOutput;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.RemoveFlowOutput;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.UpdateFlowOutput;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev150304.FlowCapableTransactionService;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.AddGroupOutput;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.RemoveGroupOutput;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.UpdateGroupOutput;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.GroupKey;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.AddMeterOutput;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.RemoveMeterOutput;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.UpdateMeterOutput;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.service.rev131026.UpdateTableOutput;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.table.features.TableFeatures;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.table.features.TableFeaturesKey;
  51 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  52 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
  53 import org.opendaylight.yangtools.yang.common.RpcError;
  54 import org.opendaylight.yangtools.yang.common.RpcResult;
  55 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  56 import org.slf4j.Logger;
  57 import org.slf4j.LoggerFactory;
  58
  59 /**
  60  * Execute CRUD API for flow + group + meter involving one-by-one (incremental) strategy.
  61  */
  62 public class SyncPlanPushStrategyIncrementalImpl implements SyncPlanPushStrategy {
  63
  64     private static final Logger LOG = LoggerFactory.getLogger(SyncPlanPushStrategyIncrementalImpl.class);
  65
  66     private FlowForwarder flowForwarder;
  67     private MeterForwarder meterForwarder;
  68     private GroupForwarder groupForwarder;
  69     private TableForwarder tableForwarder;
  70     private FlowCapableTransactionService transactionService;
  71
  72     @Override
  73     public ListenableFuture<RpcResult<Void>> executeSyncStrategy(ListenableFuture<RpcResult<Void>> resultVehicle,
  74                                                                  final SynchronizationDiffInput diffInput,
  75                                                                  final SyncCrudCounters counters) {
  76         final InstanceIdentifier<FlowCapableNode> nodeIdent = diffInput.getNodeIdent();
  77         final NodeId nodeId = PathUtil.digNodeId(nodeIdent);
  78
  79         /* Tables - have to be pushed before groups */
  80         // TODO enable table-update when ready
  81         //resultVehicle = updateTableFeatures(nodeIdent, configTree);
  82
  83         resultVehicle = Futures.transformAsync(resultVehicle, new AsyncFunction<RpcResult<Void>, RpcResult<Void>>() {
  84             @Override
  85             public ListenableFuture<RpcResult<Void>> apply(final RpcResult<Void> input) throws Exception {
  86                 if (!input.isSuccessful()) {
  87                     //TODO chain errors but not skip processing on first error return Futures.immediateFuture(input);
  88                     //final ListenableFuture<RpcResult<Void>> singleVoidUpdateResult = Futures.transform(
  89                     //        Futures.asList Arrays.asList(input, output),
  90                     //        ReconcileUtil.<UpdateFlowOutput>createRpcResultCondenser("TODO"));
  91                 }
  92                 return addMissingGroups(nodeId, nodeIdent, diffInput.getGroupsToAddOrUpdate(), counters);
  93             }
  94         });
  95         Futures.addCallback(resultVehicle, FxChainUtil.logResultCallback(nodeId, "addMissingGroups"),
  96                 MoreExecutors.directExecutor());
  97         resultVehicle = Futures.transformAsync(resultVehicle, new AsyncFunction<RpcResult<Void>, RpcResult<Void>>() {
  98             @Override
  99             public ListenableFuture<RpcResult<Void>> apply(final RpcResult<Void> input) throws Exception {
 100                 if (!input.isSuccessful()) {
 101                     //TODO chain errors but not skip processing on first error return Futures.immediateFuture(input);
 102                 }
 103                 return addMissingMeters(nodeId, nodeIdent, diffInput.getMetersToAddOrUpdate(), counters);
 104             }
 105         });
 106         Futures.addCallback(resultVehicle, FxChainUtil.logResultCallback(nodeId, "addMissingMeters"),
 107                 MoreExecutors.directExecutor());
 108         resultVehicle = Futures.transformAsync(resultVehicle, new AsyncFunction<RpcResult<Void>, RpcResult<Void>>() {
 109             @Override
 110             public ListenableFuture<RpcResult<Void>> apply(final RpcResult<Void> input) throws Exception {
 111                 if (!input.isSuccessful()) {
 112                     //TODO chain errors but not skip processing on first error return Futures.immediateFuture(input);
 113                 }
 114                 return addMissingFlows(nodeId, nodeIdent, diffInput.getFlowsToAddOrUpdate(), counters);
 115             }
 116         });
 117         Futures.addCallback(resultVehicle, FxChainUtil.logResultCallback(nodeId, "addMissingFlows"),
 118                 MoreExecutors.directExecutor());
 119
 120
 121         resultVehicle = Futures.transformAsync(resultVehicle, new AsyncFunction<RpcResult<Void>, RpcResult<Void>>() {
 122             @Override
 123             public ListenableFuture<RpcResult<Void>> apply(final RpcResult<Void> input) throws Exception {
 124                 if (!input.isSuccessful()) {
 125                     //TODO chain errors but not skip processing on first error return Futures.immediateFuture(input);
 126                 }
 127                 return removeRedundantFlows(nodeId, nodeIdent, diffInput.getFlowsToRemove(), counters);
 128             }
 129         });
 130         Futures.addCallback(resultVehicle, FxChainUtil.logResultCallback(nodeId, "removeRedundantFlows"),
 131                 MoreExecutors.directExecutor());
 132         resultVehicle = Futures.transformAsync(resultVehicle, new AsyncFunction<RpcResult<Void>, RpcResult<Void>>() {
 133             @Override
 134             public ListenableFuture<RpcResult<Void>> apply(final RpcResult<Void> input) throws Exception {
 135                 if (!input.isSuccessful()) {
 136                     //TODO chain errors but not skip processing on first error return Futures.immediateFuture(input);
 137                 }
 138                 return removeRedundantMeters(nodeId, nodeIdent, diffInput.getMetersToRemove(), counters);
 139             }
 140         });
 141         Futures.addCallback(resultVehicle, FxChainUtil.logResultCallback(nodeId, "removeRedundantMeters"),
 142                 MoreExecutors.directExecutor());
 143         resultVehicle = Futures.transformAsync(resultVehicle, new AsyncFunction<RpcResult<Void>, RpcResult<Void>>() {
 144             @Override
 145             public ListenableFuture<RpcResult<Void>> apply(final RpcResult<Void> input) throws Exception {
 146                 if (!input.isSuccessful()) {
 147                     //TODO chain errors but not skip processing on first error return Futures.immediateFuture(input);
 148                 }
 149                 return removeRedundantGroups(nodeId, nodeIdent, diffInput.getGroupsToRemove(), counters);
 150             }
 151         });
 152         Futures.addCallback(resultVehicle, FxChainUtil.logResultCallback(nodeId, "removeRedundantGroups"),
 153                 MoreExecutors.directExecutor());
 154         return resultVehicle;
 155     }
 156
 157
 158     ListenableFuture<RpcResult<Void>> addMissingFlows(final NodeId nodeId,
 159                                                       final InstanceIdentifier<FlowCapableNode> nodeIdent,
 160                                                       final Map<TableKey, ItemSyncBox<Flow>> flowsInTablesSyncBox,
 161                                                       final SyncCrudCounters counters) {
 162         if (flowsInTablesSyncBox.isEmpty()) {
 163             LOG.trace("no tables in config for node: {} -> SKIPPING", nodeId.getValue());
 164             return RpcResultBuilder.<Void>success().buildFuture();
 165         }
 166
 167         final List<ListenableFuture<RpcResult<AddFlowOutput>>> allResults = new ArrayList<>();
 168         final List<ListenableFuture<RpcResult<UpdateFlowOutput>>> allUpdateResults = new ArrayList<>();
 169         final CrudCounts flowCrudCounts = counters.getFlowCrudCounts();
 170
 171         for (Map.Entry<TableKey, ItemSyncBox<Flow>> flowsInTableBoxEntry : flowsInTablesSyncBox.entrySet()) {
 172             final TableKey tableKey = flowsInTableBoxEntry.getKey();
 173             final ItemSyncBox<Flow> flowSyncBox = flowsInTableBoxEntry.getValue();
 174
 175             final KeyedInstanceIdentifier<Table, TableKey> tableIdent = nodeIdent.child(Table.class, tableKey);
 176
 177             for (final Flow flow : flowSyncBox.getItemsToPush()) {
 178                 final KeyedInstanceIdentifier<Flow, FlowKey> flowIdent = tableIdent.child(Flow.class, flow.getKey());
 179
 180                 LOG.trace("adding flow {} in table {} - absent on device {} match{}",
 181                         flow.getId(), tableKey, nodeId, flow.getMatch());
 182
 183                 allResults.add(JdkFutureAdapters.listenInPoolThread(
 184                         flowForwarder.add(flowIdent, flow, nodeIdent)));
 185                 flowCrudCounts.incAdded();
 186             }
 187
 188             for (final ItemSyncBox.ItemUpdateTuple<Flow> flowUpdate : flowSyncBox.getItemsToUpdate()) {
 189                 final Flow existingFlow = flowUpdate.getOriginal();
 190                 final Flow updatedFlow = flowUpdate.getUpdated();
 191
 192                 final KeyedInstanceIdentifier<Flow, FlowKey> flowIdent = tableIdent.child(Flow.class, updatedFlow.getKey());
 193                 LOG.trace("flow {} in table {} - needs update on device {} match{}",
 194                         updatedFlow.getId(), tableKey, nodeId, updatedFlow.getMatch());
 195
 196                 allUpdateResults.add(JdkFutureAdapters.listenInPoolThread(
 197                         flowForwarder.update(flowIdent, existingFlow, updatedFlow, nodeIdent)));
 198                 flowCrudCounts.incUpdated();
 199             }
 200         }
 201
 202         final ListenableFuture<RpcResult<Void>> singleVoidAddResult = Futures.transform(
 203                 Futures.allAsList(allResults),
 204                 ReconcileUtil.<AddFlowOutput>createRpcResultCondenser("flow adding"));
 205
 206         final ListenableFuture<RpcResult<Void>> singleVoidUpdateResult = Futures.transform(
 207                 Futures.allAsList(allUpdateResults),
 208                 ReconcileUtil.<UpdateFlowOutput>createRpcResultCondenser("flow updating"));
 209
 210         return Futures.transform(Futures.allAsList(singleVoidAddResult, singleVoidUpdateResult),
 211                 ReconcileUtil.<Void>createRpcResultCondenser("flow add/update"));
 212     }
 213
 214     ListenableFuture<RpcResult<Void>> removeRedundantFlows(final NodeId nodeId,
 215                                                            final InstanceIdentifier<FlowCapableNode> nodeIdent,
 216                                                            final Map<TableKey, ItemSyncBox<Flow>> removalPlan,
 217                                                            final SyncCrudCounters counters) {
 218         if (removalPlan.isEmpty()) {
 219             LOG.trace("no tables in operational for node: {} -> SKIPPING", nodeId.getValue());
 220             return RpcResultBuilder.<Void>success().buildFuture();
 221         }
 222
 223         final List<ListenableFuture<RpcResult<RemoveFlowOutput>>> allResults = new ArrayList<>();
 224         final CrudCounts flowCrudCounts = counters.getFlowCrudCounts();
 225
 226         for (final Map.Entry<TableKey, ItemSyncBox<Flow>> flowsPerTable : removalPlan.entrySet()) {
 227             final KeyedInstanceIdentifier<Table, TableKey> tableIdent =
 228                     nodeIdent.child(Table.class, flowsPerTable.getKey());
 229
 230             // loop flows on device and check if the are configured
 231             for (final Flow flow : flowsPerTable.getValue().getItemsToPush()) {
 232                 final KeyedInstanceIdentifier<Flow, FlowKey> flowIdent =
 233                         tableIdent.child(Flow.class, flow.getKey());
 234                 allResults.add(JdkFutureAdapters.listenInPoolThread(
 235                         flowForwarder.remove(flowIdent, flow, nodeIdent)));
 236                 flowCrudCounts.incRemoved();
 237             }
 238         }
 239
 240         final ListenableFuture<RpcResult<Void>> singleVoidResult = Futures.transform(
 241                 Futures.allAsList(allResults), ReconcileUtil.<RemoveFlowOutput>createRpcResultCondenser("flow remove"));
 242         return Futures.transformAsync(singleVoidResult,
 243                 ReconcileUtil.chainBarrierFlush(PathUtil.digNodePath(nodeIdent), transactionService));
 244
 245     }
 246
 247     ListenableFuture<RpcResult<Void>> removeRedundantMeters(final NodeId nodeId,
 248                                                             final InstanceIdentifier<FlowCapableNode> nodeIdent,
 249                                                             final ItemSyncBox<Meter> meterRemovalPlan,
 250                                                             final SyncCrudCounters counters) {
 251         if (meterRemovalPlan.isEmpty()) {
 252             LOG.trace("no meters on device for node: {} -> SKIPPING", nodeId.getValue());
 253             return RpcResultBuilder.<Void>success().buildFuture();
 254         }
 255
 256         final CrudCounts meterCrudCounts = counters.getMeterCrudCounts();
 257
 258         final List<ListenableFuture<RpcResult<RemoveMeterOutput>>> allResults = new ArrayList<>();
 259         for (Meter meter : meterRemovalPlan.getItemsToPush()) {
 260             LOG.trace("removing meter {} - absent in config {}",
 261                     meter.getMeterId(), nodeId);
 262             final KeyedInstanceIdentifier<Meter, MeterKey> meterIdent =
 263                     nodeIdent.child(Meter.class, meter.getKey());
 264             allResults.add(JdkFutureAdapters.listenInPoolThread(
 265                     meterForwarder.remove(meterIdent, meter, nodeIdent)));
 266             meterCrudCounts.incRemoved();
 267         }
 268
 269         return Futures.transform(Futures.allAsList(allResults),
 270                 ReconcileUtil.<RemoveMeterOutput>createRpcResultCondenser("meter remove"));
 271     }
 272
 273     ListenableFuture<RpcResult<Void>> removeRedundantGroups(final NodeId nodeId,
 274                                                             final InstanceIdentifier<FlowCapableNode> nodeIdent,
 275                                                             final List<ItemSyncBox<Group>> groupsRemovalPlan,
 276                                                             final SyncCrudCounters counters) {
 277         if (groupsRemovalPlan.isEmpty()) {
 278             LOG.trace("no groups on device for node: {} -> SKIPPING", nodeId.getValue());
 279             return RpcResultBuilder.<Void>success().buildFuture();
 280         }
 281
 282         final CrudCounts groupCrudCounts = counters.getGroupCrudCounts();
 283
 284         ListenableFuture<RpcResult<Void>> chainedResult = RpcResultBuilder.<Void>success().buildFuture();
 285         try {
 286             groupCrudCounts.setRemoved(ReconcileUtil.countTotalPushed(groupsRemovalPlan));
 287             if (LOG.isDebugEnabled()) {
 288                 LOG.debug("removing groups: planSteps={}, toRemoveTotal={}",
 289                         groupsRemovalPlan.size(), groupCrudCounts.getRemoved());
 290             }
 291             Collections.reverse(groupsRemovalPlan);
 292             for (final ItemSyncBox<Group> groupsPortion : groupsRemovalPlan) {
 293                 chainedResult =
 294                         Futures.transformAsync(chainedResult, new AsyncFunction<RpcResult<Void>, RpcResult<Void>>() {
 295                             @Override
 296                             public ListenableFuture<RpcResult<Void>> apply(final RpcResult<Void> input)
 297                                     throws Exception {
 298                                 final ListenableFuture<RpcResult<Void>> result;
 299                                 if (input.isSuccessful()) {
 300                                     result = flushRemoveGroupPortionAndBarrier(nodeIdent, groupsPortion);
 301                                 } else {
 302                                     // pass through original unsuccessful rpcResult
 303                                     result = Futures.immediateFuture(input);
 304                                 }
 305
 306                                 return result;
 307                             }
 308                         });
 309             }
 310         } catch (IllegalStateException e) {
 311             chainedResult = RpcResultBuilder.<Void>failed()
 312                     .withError(RpcError.ErrorType.APPLICATION, "failed to add missing groups", e)
 313                     .buildFuture();
 314         }
 315
 316         return chainedResult;
 317     }
 318
 319     private ListenableFuture<RpcResult<Void>> flushRemoveGroupPortionAndBarrier(
 320             final InstanceIdentifier<FlowCapableNode> nodeIdent,
 321             final ItemSyncBox<Group> groupsPortion) {
 322         List<ListenableFuture<RpcResult<RemoveGroupOutput>>> allResults = new ArrayList<>();
 323         for (Group group : groupsPortion.getItemsToPush()) {
 324             final KeyedInstanceIdentifier<Group, GroupKey> groupIdent = nodeIdent.child(Group.class, group.getKey());
 325             allResults.add(JdkFutureAdapters.listenInPoolThread(groupForwarder.remove(groupIdent, group, nodeIdent)));
 326         }
 327
 328         final ListenableFuture<RpcResult<Void>> singleVoidResult = Futures.transform(
 329                 Futures.allAsList(allResults),
 330                 ReconcileUtil.<RemoveGroupOutput>createRpcResultCondenser("group remove"));
 331
 332         return Futures.transformAsync(singleVoidResult,
 333                 ReconcileUtil.chainBarrierFlush(PathUtil.digNodePath(nodeIdent), transactionService));
 334     }
 335
 336     ListenableFuture<RpcResult<Void>> updateTableFeatures(final InstanceIdentifier<FlowCapableNode> nodeIdent,
 337                                                           final FlowCapableNode flowCapableNodeConfigured) {
 338         // CHECK if while pushing the update, updateTableInput can be null to emulate a table add
 339         final List<Table> tableList = ReconcileUtil.safeTables(flowCapableNodeConfigured);
 340
 341         final List<ListenableFuture<RpcResult<UpdateTableOutput>>> allResults = new ArrayList<>();
 342         for (Table table : tableList) {
 343             TableKey tableKey = table.getKey();
 344             KeyedInstanceIdentifier<TableFeatures, TableFeaturesKey> tableFeaturesII = nodeIdent
 345                     .child(TableFeatures.class, new TableFeaturesKey(tableKey.getId()));
 346             List<TableFeatures> tableFeatures = flowCapableNodeConfigured.getTableFeatures();
 347             if (tableFeatures != null) {
 348                 for (TableFeatures tableFeaturesItem : tableFeatures) {
 349                     // TODO uncomment java.lang.NullPointerException
 350                     // at
 351                     // org.opendaylight.openflowjava.protocol.impl.serialization.match.AbstractOxmMatchEntrySerializer.serializeHeader(AbstractOxmMatchEntrySerializer.java:31
 352                     // allResults.add(JdkFutureAdapters.listenInPoolThread(
 353                     // tableForwarder.update(tableFeaturesII, null, tableFeaturesItem, nodeIdent)));
 354                 }
 355             }
 356         }
 357
 358         final ListenableFuture<RpcResult<Void>> singleVoidResult = Futures.transform(
 359                 Futures.allAsList(allResults),
 360                 ReconcileUtil.<UpdateTableOutput>createRpcResultCondenser("table update"));
 361
 362         return Futures.transformAsync(singleVoidResult,
 363                 ReconcileUtil.chainBarrierFlush(PathUtil.digNodePath(nodeIdent), transactionService));
 364     }
 365
 366     private ListenableFuture<RpcResult<Void>> flushAddGroupPortionAndBarrier(
 367             final InstanceIdentifier<FlowCapableNode> nodeIdent,
 368             final ItemSyncBox<Group> groupsPortion) {
 369         final List<ListenableFuture<RpcResult<AddGroupOutput>>> allResults = new ArrayList<>();
 370         final List<ListenableFuture<RpcResult<UpdateGroupOutput>>> allUpdateResults = new ArrayList<>();
 371
 372         for (Group group : groupsPortion.getItemsToPush()) {
 373             final KeyedInstanceIdentifier<Group, GroupKey> groupIdent = nodeIdent.child(Group.class, group.getKey());
 374             allResults.add(JdkFutureAdapters.listenInPoolThread(groupForwarder.add(groupIdent, group, nodeIdent)));
 375
 376         }
 377
 378         for (ItemSyncBox.ItemUpdateTuple<Group> groupTuple : groupsPortion.getItemsToUpdate()) {
 379             final Group existingGroup = groupTuple.getOriginal();
 380             final Group group = groupTuple.getUpdated();
 381
 382             final KeyedInstanceIdentifier<Group, GroupKey> groupIdent = nodeIdent.child(Group.class, group.getKey());
 383             allUpdateResults.add(JdkFutureAdapters.listenInPoolThread(
 384                     groupForwarder.update(groupIdent, existingGroup, group, nodeIdent)));
 385         }
 386
 387         final ListenableFuture<RpcResult<Void>> singleVoidAddResult = Futures.transform(
 388                 Futures.allAsList(allResults), ReconcileUtil.<AddGroupOutput>createRpcResultCondenser("group add"));
 389
 390         final ListenableFuture<RpcResult<Void>> singleVoidUpdateResult = Futures.transform(
 391                 Futures.allAsList(allUpdateResults),
 392                 ReconcileUtil.<UpdateGroupOutput>createRpcResultCondenser("group update"));
 393
 394         final ListenableFuture<RpcResult<Void>> summaryResult = Futures.transform(
 395                 Futures.allAsList(singleVoidAddResult, singleVoidUpdateResult),
 396                 ReconcileUtil.<Void>createRpcResultCondenser("group add/update"));
 397
 398
 399         return Futures.transformAsync(summaryResult, ReconcileUtil.chainBarrierFlush(
 400                 PathUtil.digNodePath(nodeIdent), transactionService));
 401     }
 402
 403     ListenableFuture<RpcResult<Void>> addMissingMeters(final NodeId nodeId,
 404                                                        final InstanceIdentifier<FlowCapableNode> nodeIdent,
 405                                                        final ItemSyncBox<Meter> syncBox,
 406                                                        final SyncCrudCounters counters) {
 407         if (syncBox.isEmpty()) {
 408             LOG.trace("no meters configured for node: {} -> SKIPPING", nodeId.getValue());
 409             return RpcResultBuilder.<Void>success().buildFuture();
 410         }
 411
 412         final CrudCounts meterCrudCounts = counters.getMeterCrudCounts();
 413
 414         final List<ListenableFuture<RpcResult<AddMeterOutput>>> allResults = new ArrayList<>();
 415         final List<ListenableFuture<RpcResult<UpdateMeterOutput>>> allUpdateResults = new ArrayList<>();
 416         for (Meter meter : syncBox.getItemsToPush()) {
 417             final KeyedInstanceIdentifier<Meter, MeterKey> meterIdent = nodeIdent.child(Meter.class, meter.getKey());
 418             LOG.debug("adding meter {} - absent on device {}",
 419                     meter.getMeterId(), nodeId);
 420             allResults.add(JdkFutureAdapters.listenInPoolThread(
 421                     meterForwarder.add(meterIdent, meter, nodeIdent)));
 422             meterCrudCounts.incAdded();
 423         }
 424
 425         for (ItemSyncBox.ItemUpdateTuple<Meter> meterTuple : syncBox.getItemsToUpdate()) {
 426             final Meter existingMeter = meterTuple.getOriginal();
 427             final Meter updated = meterTuple.getUpdated();
 428             final KeyedInstanceIdentifier<Meter, MeterKey> meterIdent = nodeIdent.child(Meter.class, updated.getKey());
 429             LOG.trace("meter {} - needs update on device {}", updated.getMeterId(), nodeId);
 430             allUpdateResults.add(JdkFutureAdapters.listenInPoolThread(
 431                     meterForwarder.update(meterIdent, existingMeter, updated, nodeIdent)));
 432             meterCrudCounts.incUpdated();
 433         }
 434
 435         final ListenableFuture<RpcResult<Void>> singleVoidAddResult = Futures.transform(
 436                 Futures.allAsList(allResults), ReconcileUtil.<AddMeterOutput>createRpcResultCondenser("meter add"));
 437
 438         final ListenableFuture<RpcResult<Void>> singleVoidUpdateResult = Futures.transform(
 439                 Futures.allAsList(allUpdateResults),
 440                 ReconcileUtil.<UpdateMeterOutput>createRpcResultCondenser("meter update"));
 441
 442         return Futures.transform(Futures.allAsList(singleVoidUpdateResult, singleVoidAddResult),
 443                 ReconcileUtil.<Void>createRpcResultCondenser("meter add/update"));
 444     }
 445
 446     ListenableFuture<RpcResult<Void>> addMissingGroups(final NodeId nodeId,
 447                                                        final InstanceIdentifier<FlowCapableNode> nodeIdent,
 448                                                        final List<ItemSyncBox<Group>> groupsAddPlan,
 449                                                        final SyncCrudCounters counters) {
 450         if (groupsAddPlan.isEmpty()) {
 451             LOG.trace("no groups configured for node: {} -> SKIPPING", nodeId.getValue());
 452             return RpcResultBuilder.<Void>success().buildFuture();
 453         }
 454
 455         ListenableFuture<RpcResult<Void>> chainedResult;
 456         try {
 457             if (!groupsAddPlan.isEmpty()) {
 458                 final CrudCounts groupCrudCounts = counters.getGroupCrudCounts();
 459                 groupCrudCounts.setAdded(ReconcileUtil.countTotalPushed(groupsAddPlan));
 460                 groupCrudCounts.setUpdated(ReconcileUtil.countTotalUpdated(groupsAddPlan));
 461
 462                 if (LOG.isDebugEnabled()) {
 463                     LOG.debug("adding groups: planSteps={}, toAddTotal={}, toUpdateTotal={}",
 464                             groupsAddPlan.size(),
 465                             groupCrudCounts.getAdded(),
 466                             groupCrudCounts.getUpdated());
 467                 }
 468
 469                 chainedResult = flushAddGroupPortionAndBarrier(nodeIdent, groupsAddPlan.get(0));
 470                 for (final ItemSyncBox<Group> groupsPortion : Iterables.skip(groupsAddPlan, 1)) {
 471                     chainedResult =
 472                             Futures.transformAsync(chainedResult, new AsyncFunction<RpcResult<Void>, RpcResult<Void>>() {
 473                                 @Override
 474                                 public ListenableFuture<RpcResult<Void>> apply(final RpcResult<Void> input)
 475                                         throws Exception {
 476                                     final ListenableFuture<RpcResult<Void>> result;
 477                                     if (input.isSuccessful()) {
 478                                         result = flushAddGroupPortionAndBarrier(nodeIdent, groupsPortion);
 479                                     } else {
 480                                         // pass through original unsuccessful rpcResult
 481                                         result = Futures.immediateFuture(input);
 482                                     }
 483
 484                                     return result;
 485                                 }
 486                             });
 487                 }
 488             } else {
 489                 chainedResult = RpcResultBuilder.<Void>success().buildFuture();
 490             }
 491         } catch (IllegalStateException e) {
 492             chainedResult = RpcResultBuilder.<Void>failed()
 493                     .withError(RpcError.ErrorType.APPLICATION, "failed to add missing groups", e)
 494                     .buildFuture();
 495         }
 496
 497         return chainedResult;
 498     }
 499
 500
 501     public SyncPlanPushStrategyIncrementalImpl setFlowForwarder(final FlowForwarder flowForwarder) {
 502         this.flowForwarder = flowForwarder;
 503         return this;
 504     }
 505
 506     public SyncPlanPushStrategyIncrementalImpl setTableForwarder(final TableForwarder tableForwarder) {
 507         this.tableForwarder = tableForwarder;
 508         return this;
 509     }
 510
 511     public SyncPlanPushStrategyIncrementalImpl setMeterForwarder(final MeterForwarder meterForwarder) {
 512         this.meterForwarder = meterForwarder;
 513         return this;
 514     }
 515
 516     public SyncPlanPushStrategyIncrementalImpl setGroupForwarder(final GroupForwarder groupForwarder) {
 517         this.groupForwarder = groupForwarder;
 518         return this;
 519     }
 520
 521     public SyncPlanPushStrategyIncrementalImpl setTransactionService(final FlowCapableTransactionService transactionService) {
 522         this.transactionService = transactionService;
 523         return this;
 524     }
 525
 526 }