X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2FDistributedDataStore.java;h=db01d515354a9d166e2b906d8cd7168e7c39deb0;hp=4401104a85971c77c1b9a9333c727348f5398656;hb=08dd5c2c443ff53f56af88a0e8dc8f34e36d2245;hpb=cbe83ca3074fa0182d4f079f528bb710a997ced7 diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DistributedDataStore.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DistributedDataStore.java index 4401104a85..c79de94567 100644 --- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DistributedDataStore.java +++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DistributedDataStore.java @@ -8,12 +8,17 @@ package org.opendaylight.controller.cluster.datastore; -import akka.actor.ActorRef; import akka.actor.ActorSystem; -import org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListener; -import org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListenerReply; -import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContext; +import com.google.common.annotations.VisibleForTesting; +import com.google.common.base.Preconditions; +import java.util.concurrent.CountDownLatch; +import java.util.concurrent.TimeUnit; +import org.opendaylight.controller.cluster.datastore.identifiers.ShardManagerIdentifier; +import org.opendaylight.controller.cluster.datastore.jmx.mbeans.DatastoreConfigurationMXBeanImpl; +import org.opendaylight.controller.cluster.datastore.jmx.mbeans.DatastoreInfoMXBeanImpl; +import org.opendaylight.controller.cluster.datastore.shardstrategy.ShardStrategyFactory; import org.opendaylight.controller.cluster.datastore.utils.ActorContext; +import org.opendaylight.controller.cluster.datastore.utils.Dispatchers; import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker; import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener; import org.opendaylight.controller.sal.core.spi.data.DOMStore; @@ -22,100 +27,176 @@ import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransactio import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain; import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction; import org.opendaylight.yangtools.concepts.ListenerRegistration; -import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier; +import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier; import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode; import org.opendaylight.yangtools.yang.model.api.SchemaContext; import org.opendaylight.yangtools.yang.model.api.SchemaContextListener; import org.slf4j.Logger; import org.slf4j.LoggerFactory; -import java.util.concurrent.ExecutorService; -import java.util.concurrent.Executors; - /** * */ -public class DistributedDataStore implements DOMStore, SchemaContextListener, AutoCloseable { +public class DistributedDataStore implements DOMStore, SchemaContextListener, + DatastoreContextConfigAdminOverlay.Listener, AutoCloseable { - private static final Logger - LOG = LoggerFactory.getLogger(DistributedDataStore.class); + private static final Logger LOG = LoggerFactory.getLogger(DistributedDataStore.class); + private static final String UNKNOWN_TYPE = "unknown"; + private static final long READY_WAIT_FACTOR = 3; - private final String type; private final ActorContext actorContext; + private final long waitTillReadyTimeInMillis; + + + private AutoCloseable closeable; + + private DatastoreConfigurationMXBeanImpl datastoreConfigMXBean; + + private DatastoreInfoMXBeanImpl datastoreInfoMXBean; + + private final CountDownLatch waitTillReadyCountDownLatch = new CountDownLatch(1); + + private final String type; + + public DistributedDataStore(ActorSystem actorSystem, ClusterWrapper cluster, + Configuration configuration, DatastoreContext datastoreContext) { + Preconditions.checkNotNull(actorSystem, "actorSystem should not be null"); + Preconditions.checkNotNull(cluster, "cluster should not be null"); + Preconditions.checkNotNull(configuration, "configuration should not be null"); + Preconditions.checkNotNull(datastoreContext, "datastoreContext should not be null"); + + this.type = datastoreContext.getDataStoreType(); + + String shardManagerId = ShardManagerIdentifier.builder().type(type).build().toString(); + + LOG.info("Creating ShardManager : {}", shardManagerId); + + String shardDispatcher = + new Dispatchers(actorSystem.dispatchers()).getDispatcherPath(Dispatchers.DispatcherType.Shard); + + actorContext = new ActorContext(actorSystem, actorSystem.actorOf( + ShardManager.props(cluster, configuration, datastoreContext, waitTillReadyCountDownLatch) + .withDispatcher(shardDispatcher).withMailbox(ActorContext.MAILBOX), shardManagerId ), + cluster, configuration, datastoreContext); + + this.waitTillReadyTimeInMillis = + actorContext.getDatastoreContext().getShardLeaderElectionTimeout().duration().toMillis() * READY_WAIT_FACTOR; - /** - * Executor used to run FutureTask's - * - * This is typically used when we need to make a request to an actor and - * wait for it's response and the consumer needs to be provided a Future. - * - * FIXME : Make the thread pool configurable - */ - private final ExecutorService executor = - Executors.newFixedThreadPool(10); + datastoreConfigMXBean = new DatastoreConfigurationMXBeanImpl(datastoreContext.getDataStoreMXBeanType()); + datastoreConfigMXBean.setContext(datastoreContext); + datastoreConfigMXBean.registerMBean(); - public DistributedDataStore(ActorSystem actorSystem, String type) { - this(new ActorContext(actorSystem, actorSystem.actorOf(ShardManager.props(type), "shardmanager-" + type)), type); + datastoreInfoMXBean = new DatastoreInfoMXBeanImpl(datastoreContext.getDataStoreMXBeanType(), actorContext); + datastoreInfoMXBean.registerMBean(); } - public DistributedDataStore(ActorContext actorContext, String type) { - this.type = type; - this.actorContext = actorContext; + public DistributedDataStore(ActorContext actorContext) { + this.actorContext = Preconditions.checkNotNull(actorContext, "actorContext should not be null"); + this.type = UNKNOWN_TYPE; + this.waitTillReadyTimeInMillis = + actorContext.getDatastoreContext().getShardLeaderElectionTimeout().duration().toMillis() * READY_WAIT_FACTOR; + } + public void setCloseable(AutoCloseable closeable) { + this.closeable = closeable; + } + @SuppressWarnings("unchecked") @Override - public >> ListenerRegistration registerChangeListener( - InstanceIdentifier path, L listener, + public >> + ListenerRegistration registerChangeListener( + final YangInstanceIdentifier path, L listener, AsyncDataBroker.DataChangeScope scope) { - ActorRef dataChangeListenerActor = actorContext.getActorSystem().actorOf( - DataChangeListener.props(listener)); + Preconditions.checkNotNull(path, "path should not be null"); + Preconditions.checkNotNull(listener, "listener should not be null"); - Object result = actorContext.executeShardOperation(Shard.DEFAULT_NAME, - new RegisterChangeListener(path, dataChangeListenerActor.path(), - AsyncDataBroker.DataChangeScope.BASE), - ActorContext.ASK_DURATION - ); + LOG.debug("Registering listener: {} for path: {} scope: {}", listener, path, scope); - RegisterChangeListenerReply reply = (RegisterChangeListenerReply) result; - return new DataChangeListenerRegistrationProxy(actorContext.actorSelection(reply.getListenerRegistrationPath()), listener, dataChangeListenerActor); - } + String shardName = ShardStrategyFactory.getStrategy(path).findShard(path); + final DataChangeListenerRegistrationProxy listenerRegistrationProxy = + new DataChangeListenerRegistrationProxy(shardName, actorContext, listener); + listenerRegistrationProxy.init(path, scope); + return listenerRegistrationProxy; + } @Override public DOMStoreTransactionChain createTransactionChain() { - return new TransactionChainProxy(actorContext, executor); + return new TransactionChainProxy(actorContext); } @Override public DOMStoreReadTransaction newReadOnlyTransaction() { - return new TransactionProxy(actorContext, TransactionProxy.TransactionType.READ_ONLY, - executor); + return new TransactionProxy(actorContext, TransactionProxy.TransactionType.READ_ONLY); } @Override public DOMStoreWriteTransaction newWriteOnlyTransaction() { - return new TransactionProxy(actorContext, TransactionProxy.TransactionType.WRITE_ONLY, - executor); + actorContext.acquireTxCreationPermit(); + return new TransactionProxy(actorContext, TransactionProxy.TransactionType.WRITE_ONLY); } @Override public DOMStoreReadWriteTransaction newReadWriteTransaction() { - return new TransactionProxy(actorContext, TransactionProxy.TransactionType.READ_WRITE, - executor); + actorContext.acquireTxCreationPermit(); + return new TransactionProxy(actorContext, TransactionProxy.TransactionType.READ_WRITE); } - @Override public void onGlobalContextUpdated(SchemaContext schemaContext) { - actorContext.getShardManager().tell( - new UpdateSchemaContext(schemaContext), null); + @Override + public void onGlobalContextUpdated(SchemaContext schemaContext) { + actorContext.setSchemaContext(schemaContext); + } + + @Override + public void onDatastoreContextUpdated(DatastoreContext context) { + LOG.info("DatastoreContext updated for data store {}", actorContext.getDataStoreType()); + + actorContext.setDatastoreContext(context); + datastoreConfigMXBean.setContext(context); } - @Override public void close() throws Exception { + @Override + public void close() { + datastoreConfigMXBean.unregisterMBean(); + datastoreInfoMXBean.unregisterMBean(); + + if(closeable != null) { + try { + closeable.close(); + } catch (Exception e) { + LOG.debug("Error closing insance", e); + } + } + actorContext.shutdown(); + } + + @VisibleForTesting + ActorContext getActorContext() { + return actorContext; + } + + public void waitTillReady(){ + LOG.info("Beginning to wait for data store to become ready : {}", type); + + try { + if (waitTillReadyCountDownLatch.await(waitTillReadyTimeInMillis, TimeUnit.MILLISECONDS)) { + LOG.debug("Data store {} is now ready", type); + } else { + LOG.error("Shared leaders failed to settle in {} seconds, giving up", TimeUnit.MILLISECONDS.toSeconds(waitTillReadyTimeInMillis)); + } + } catch (InterruptedException e) { + LOG.error("Interrupted while waiting for shards to settle", e); + } + } + @VisibleForTesting + public CountDownLatch getWaitTillReadyCountDownLatch() { + return waitTillReadyCountDownLatch; } }