applications/forwardingrules-sync/src/main/java/org/opendaylight/openflowplugin/applications/frsync/impl/ForwardingRulesSyncProvider.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;
  10
  11 import com.google.common.base.Preconditions;
  12 import com.google.common.util.concurrent.ListeningExecutorService;
  13 import com.google.common.util.concurrent.MoreExecutors;
  14 import com.google.common.util.concurrent.ThreadFactoryBuilder;
  15 import java.util.concurrent.ExecutorService;
  16 import java.util.concurrent.Executors;
  17 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  18 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  19 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  20 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  21 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
  22 import org.opendaylight.controller.sal.binding.api.BindingAwareProvider;
  23 import org.opendaylight.controller.sal.binding.api.RpcConsumerRegistry;
  24 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceProvider;
  25 import org.opendaylight.openflowplugin.applications.frsync.NodeListener;
  26 import org.opendaylight.openflowplugin.applications.frsync.SyncPlanPushStrategy;
  27 import org.opendaylight.openflowplugin.applications.frsync.SyncReactor;
  28 import org.opendaylight.openflowplugin.applications.frsync.dao.FlowCapableNodeCachedDao;
  29 import org.opendaylight.openflowplugin.applications.frsync.dao.FlowCapableNodeDao;
  30 import org.opendaylight.openflowplugin.applications.frsync.dao.FlowCapableNodeOdlDao;
  31 import org.opendaylight.openflowplugin.applications.frsync.dao.FlowCapableNodeSnapshotDao;
  32 import org.opendaylight.openflowplugin.applications.frsync.impl.clustering.DeviceMastershipManager;
  33 import org.opendaylight.openflowplugin.applications.frsync.impl.strategy.SyncPlanPushStrategyFlatBatchImpl;
  34 import org.opendaylight.openflowplugin.applications.frsync.impl.strategy.TableForwarder;
  35 import org.opendaylight.openflowplugin.applications.frsync.util.ReconciliationRegistry;
  36 import org.opendaylight.openflowplugin.applications.frsync.util.SemaphoreKeeperGuavaImpl;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.SalFlatBatchService;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.service.rev131026.SalTableService;
  42 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  43 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  44 import org.slf4j.Logger;
  45 import org.slf4j.LoggerFactory;
  46
  47 /**
  48  * Top provider of forwarding rules synchronization functionality.
  49  */
  50 public class ForwardingRulesSyncProvider implements AutoCloseable, BindingAwareProvider {
  51
  52     private static final Logger LOG = LoggerFactory.getLogger(ForwardingRulesSyncProvider.class);
  53
  54     private final DataBroker dataService;
  55     private final ClusterSingletonServiceProvider clusterSingletonService;
  56     private final SalTableService salTableService;
  57     private final SalFlatBatchService flatBatchService;
  58
  59     /** Wildcard path to flow-capable-node augmentation of inventory node. */
  60     private static final InstanceIdentifier<FlowCapableNode> FLOW_CAPABLE_NODE_WC_PATH =
  61             InstanceIdentifier.create(Nodes.class).child(Node.class).augmentation(FlowCapableNode.class);
  62     /** Wildcard path to node (not flow-capable-node augmentation) of inventory node. */
  63     private static final InstanceIdentifier<Node> NODE_WC_PATH =
  64             InstanceIdentifier.create(Nodes.class).child(Node.class);
  65
  66     private final DataTreeIdentifier<FlowCapableNode> nodeConfigDataTreePath;
  67     private final DataTreeIdentifier<Node> nodeOperationalDataTreePath;
  68
  69     private ListenerRegistration<NodeListener> dataTreeConfigChangeListener;
  70     private ListenerRegistration<NodeListener> dataTreeOperationalChangeListener;
  71
  72     private final ListeningExecutorService syncThreadPool;
  73
  74     public ForwardingRulesSyncProvider(final BindingAwareBroker broker,
  75                                        final DataBroker dataBroker,
  76                                        final RpcConsumerRegistry rpcRegistry,
  77                                        final ClusterSingletonServiceProvider clusterSingletonService) {
  78         Preconditions.checkArgument(rpcRegistry != null, "RpcConsumerRegistry can not be null!");
  79         this.dataService = Preconditions.checkNotNull(dataBroker, "DataBroker can not be null!");
  80         this.clusterSingletonService = Preconditions.checkNotNull(clusterSingletonService,
  81                 "ClusterSingletonServiceProvider can not be null!");
  82         this.salTableService = Preconditions.checkNotNull(rpcRegistry.getRpcService(SalTableService.class),
  83                 "RPC SalTableService not found.");
  84         this.flatBatchService = Preconditions.checkNotNull(rpcRegistry.getRpcService(SalFlatBatchService.class),
  85                 "RPC SalFlatBatchService not found.");
  86
  87         nodeConfigDataTreePath = new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION, FLOW_CAPABLE_NODE_WC_PATH);
  88         nodeOperationalDataTreePath = new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL, NODE_WC_PATH);
  89
  90         final ExecutorService executorService= Executors.newCachedThreadPool(new ThreadFactoryBuilder()
  91                 .setNameFormat(SyncReactorFutureDecorator.FRM_RPC_CLIENT_PREFIX + "%d")
  92                 .setDaemon(false)
  93                 .setUncaughtExceptionHandler((thread, e) -> LOG.error("Uncaught exception {}", thread, e))
  94                 .build());
  95         syncThreadPool = MoreExecutors.listeningDecorator(executorService);
  96         broker.registerProvider(this);
  97     }
  98
  99     @Override
 100     public void onSessionInitiated(final ProviderContext providerContext) {
 101         final TableForwarder tableForwarder = new TableForwarder(salTableService);
 102
 103         final SyncPlanPushStrategy syncPlanPushStrategy = new SyncPlanPushStrategyFlatBatchImpl()
 104                 .setFlatBatchService(flatBatchService)
 105                 .setTableForwarder(tableForwarder);
 106
 107         final ReconciliationRegistry reconciliationRegistry = new ReconciliationRegistry();
 108         final DeviceMastershipManager deviceMastershipManager =
 109                 new DeviceMastershipManager(clusterSingletonService, reconciliationRegistry);
 110
 111         final SyncReactor syncReactorImpl = new SyncReactorImpl(syncPlanPushStrategy);
 112         final SyncReactor syncReactorRetry = new SyncReactorRetryDecorator(syncReactorImpl, reconciliationRegistry);
 113         final SyncReactor syncReactorGuard = new SyncReactorGuardDecorator(syncReactorRetry,
 114                 new SemaphoreKeeperGuavaImpl<>(1, true));
 115         final SyncReactor syncReactorFutureZip = new SyncReactorFutureZipDecorator(syncReactorGuard, syncThreadPool);
 116
 117         final SyncReactor reactor = new SyncReactorClusterDecorator(syncReactorFutureZip, deviceMastershipManager);
 118
 119         final FlowCapableNodeSnapshotDao configSnapshot = new FlowCapableNodeSnapshotDao();
 120         final FlowCapableNodeSnapshotDao operationalSnapshot = new FlowCapableNodeSnapshotDao();
 121         final FlowCapableNodeDao configDao = new FlowCapableNodeCachedDao(configSnapshot,
 122                 new FlowCapableNodeOdlDao(dataService, LogicalDatastoreType.CONFIGURATION));
 123         final FlowCapableNodeDao operationalDao = new FlowCapableNodeCachedDao(operationalSnapshot,
 124                 new FlowCapableNodeOdlDao(dataService, LogicalDatastoreType.OPERATIONAL));
 125
 126         final NodeListener<FlowCapableNode> nodeListenerConfig =
 127                 new SimplifiedConfigListener(reactor, configSnapshot, operationalDao);
 128         final NodeListener<Node> nodeListenerOperational =
 129                 new SimplifiedOperationalListener(reactor, operationalSnapshot, configDao, reconciliationRegistry, deviceMastershipManager);
 130
 131         dataTreeConfigChangeListener =
 132                 dataService.registerDataTreeChangeListener(nodeConfigDataTreePath, nodeListenerConfig);
 133         dataTreeOperationalChangeListener =
 134                 dataService.registerDataTreeChangeListener(nodeOperationalDataTreePath, nodeListenerOperational);
 135
 136         LOG.info("ForwardingRulesSync has started.");
 137     }
 138
 139     public void close() throws InterruptedException {
 140         if (dataTreeConfigChangeListener != null) {
 141             dataTreeConfigChangeListener.close();
 142             dataTreeConfigChangeListener = null;
 143         }
 144
 145         if (dataTreeOperationalChangeListener != null) {
 146             dataTreeOperationalChangeListener.close();
 147             dataTreeOperationalChangeListener = null;
 148         }
 149
 150         syncThreadPool.shutdown();
 151     }
 152
 153 }