/**
* Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.openflowplugin.applications.frsync.impl;
import com.google.common.base.Preconditions;
import com.google.common.util.concurrent.ListeningExecutorService;
import com.google.common.util.concurrent.MoreExecutors;
import com.google.common.util.concurrent.ThreadFactoryBuilder;
import java.util.Objects;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
import org.opendaylight.controller.sal.binding.api.BindingAwareProvider;
import org.opendaylight.controller.sal.binding.api.RpcConsumerRegistry;
import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceProvider;
import org.opendaylight.openflowplugin.applications.frsync.NodeListener;
import org.opendaylight.openflowplugin.applications.frsync.SyncPlanPushStrategy;
import org.opendaylight.openflowplugin.applications.frsync.SyncReactor;
import org.opendaylight.openflowplugin.applications.frsync.dao.FlowCapableNodeCachedDao;
import org.opendaylight.openflowplugin.applications.frsync.dao.FlowCapableNodeDao;
import org.opendaylight.openflowplugin.applications.frsync.dao.FlowCapableNodeOdlDao;
import org.opendaylight.openflowplugin.applications.frsync.dao.FlowCapableNodeSnapshotDao;
import org.opendaylight.openflowplugin.applications.frsync.impl.clustering.DeviceMastershipManager;
import org.opendaylight.openflowplugin.applications.frsync.impl.strategy.SyncPlanPushStrategyFlatBatchImpl;
import org.opendaylight.openflowplugin.applications.frsync.impl.strategy.TableForwarder;
import org.opendaylight.openflowplugin.applications.frsync.util.ReconciliationRegistry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.SalFlatBatchService;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
import org.opendaylight.yang.gen.v1.urn.opendaylight.table.service.rev131026.SalTableService;
import org.opendaylight.yangtools.concepts.ListenerRegistration;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Top provider of forwarding rules synchronization functionality.
*/
public class ForwardingRulesSyncProvider implements AutoCloseable, BindingAwareProvider {
private static final Logger LOG = LoggerFactory.getLogger(ForwardingRulesSyncProvider.class);
private static final String FRS_EXECUTOR_PREFIX = "FRS-executor-";
private final DataBroker dataService;
private final ClusterSingletonServiceProvider clusterSingletonService;
private final SalTableService salTableService;
private final SalFlatBatchService flatBatchService;
/** Wildcard path to flow-capable-node augmentation of inventory node. */
private static final InstanceIdentifier<FlowCapableNode> FLOW_CAPABLE_NODE_WC_PATH =
InstanceIdentifier.create(Nodes.class).child(Node.class).augmentation(FlowCapableNode.class);
/** Wildcard path to node (not flow-capable-node augmentation) of inventory node. */
private static final InstanceIdentifier<Node> NODE_WC_PATH =
InstanceIdentifier.create(Nodes.class).child(Node.class);
private final DataTreeIdentifier<FlowCapableNode> nodeConfigDataTreePath;
private final DataTreeIdentifier<Node> nodeOperationalDataTreePath;
private ListenerRegistration<NodeListener> dataTreeConfigChangeListener;
private ListenerRegistration<NodeListener> dataTreeOperationalChangeListener;
private final ListeningExecutorService syncThreadPool;
public ForwardingRulesSyncProvider(final BindingAwareBroker broker,
final DataBroker dataBroker,
final RpcConsumerRegistry rpcRegistry,
final ClusterSingletonServiceProvider clusterSingletonService) {
Preconditions.checkNotNull(rpcRegistry, "RpcConsumerRegistry can not be null!");
this.dataService = Preconditions.checkNotNull(dataBroker, "DataBroker can not be null!");
this.clusterSingletonService = Preconditions.checkNotNull(clusterSingletonService,
"ClusterSingletonServiceProvider can not be null!");
this.salTableService = Preconditions.checkNotNull(rpcRegistry.getRpcService(SalTableService.class),
"RPC SalTableService not found.");
this.flatBatchService = Preconditions.checkNotNull(rpcRegistry.getRpcService(SalFlatBatchService.class),
"RPC SalFlatBatchService not found.");
nodeConfigDataTreePath = new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION, FLOW_CAPABLE_NODE_WC_PATH);
nodeOperationalDataTreePath = new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL, NODE_WC_PATH);
final ExecutorService executorService= Executors.newCachedThreadPool(new ThreadFactoryBuilder()
.setNameFormat(FRS_EXECUTOR_PREFIX + "%d")
.setDaemon(false)
.setUncaughtExceptionHandler((thread, e) -> LOG.error("Uncaught exception {}", thread, e))
.build());
syncThreadPool = MoreExecutors.listeningDecorator(executorService);
broker.registerProvider(this);
}
@Override
public void onSessionInitiated(final ProviderContext providerContext) {
final TableForwarder tableForwarder = new TableForwarder(salTableService);
final SyncPlanPushStrategy syncPlanPushStrategy = new SyncPlanPushStrategyFlatBatchImpl()
.setFlatBatchService(flatBatchService)
.setTableForwarder(tableForwarder);
final ReconciliationRegistry reconciliationRegistry = new ReconciliationRegistry();
final DeviceMastershipManager deviceMastershipManager =
new DeviceMastershipManager(clusterSingletonService, reconciliationRegistry);
final SyncReactor syncReactorImpl = new SyncReactorImpl(syncPlanPushStrategy);
final SyncReactor syncReactorRetry = new SyncReactorRetryDecorator(syncReactorImpl, reconciliationRegistry);
final SyncReactor syncReactorGuard = new SyncReactorGuardDecorator(syncReactorRetry);
final SyncReactor syncReactorFutureZip = new SyncReactorFutureZipDecorator(syncReactorGuard, syncThreadPool);
final SyncReactor reactor = new SyncReactorClusterDecorator(syncReactorFutureZip, deviceMastershipManager);
final FlowCapableNodeSnapshotDao configSnapshot = new FlowCapableNodeSnapshotDao();
final FlowCapableNodeSnapshotDao operationalSnapshot = new FlowCapableNodeSnapshotDao();
final FlowCapableNodeDao configDao = new FlowCapableNodeCachedDao(configSnapshot,
new FlowCapableNodeOdlDao(dataService, LogicalDatastoreType.CONFIGURATION));
final FlowCapableNodeDao operationalDao = new FlowCapableNodeCachedDao(operationalSnapshot,
new FlowCapableNodeOdlDao(dataService, LogicalDatastoreType.OPERATIONAL));
final NodeListener<FlowCapableNode> nodeListenerConfig =
new SimplifiedConfigListener(reactor, configSnapshot, operationalDao);
final NodeListener<Node> nodeListenerOperational =
new SimplifiedOperationalListener(reactor, operationalSnapshot, configDao, reconciliationRegistry, deviceMastershipManager);
dataTreeConfigChangeListener =
dataService.registerDataTreeChangeListener(nodeConfigDataTreePath, nodeListenerConfig);
dataTreeOperationalChangeListener =
dataService.registerDataTreeChangeListener(nodeOperationalDataTreePath, nodeListenerOperational);
LOG.info("ForwardingRulesSync has started.");
}
public void close() {
if (Objects.nonNull(dataTreeConfigChangeListener)) {
dataTreeConfigChangeListener.close();
dataTreeConfigChangeListener = null;
}
if (Objects.nonNull(dataTreeOperationalChangeListener)) {
dataTreeOperationalChangeListener.close();
dataTreeOperationalChangeListener = null;
}
syncThreadPool.shutdown();
}
}