import akka.japi.Creator;
import akka.serialization.Serialization;
import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
import com.google.common.util.concurrent.ListenableFuture;
-import com.google.common.util.concurrent.ListeningExecutorService;
-import com.google.common.util.concurrent.MoreExecutors;
+import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
+import org.opendaylight.controller.cluster.datastore.identifiers.ShardTransactionIdentifier;
import org.opendaylight.controller.cluster.datastore.jmx.mbeans.shard.ShardMBeanFactory;
import org.opendaylight.controller.cluster.datastore.jmx.mbeans.shard.ShardStats;
import org.opendaylight.controller.cluster.datastore.messages.CommitTransactionReply;
import org.opendaylight.controller.cluster.raft.ReplicatedLogEntry;
import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
import org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStore;
+import org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStoreFactory;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;
import scala.concurrent.duration.FiniteDuration;
import java.util.ArrayList;
+import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ExecutionException;
-import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
/**
public static final String DEFAULT_NAME = "default";
- private final ListeningExecutorService storeExecutor =
- MoreExecutors.listeningDecorator(Executors.newFixedThreadPool(2));
-
+ // The state of this Shard
private final InMemoryDOMDataStore store;
private final Map<Object, DOMStoreThreePhaseCommitCohort>
Logging.getLogger(getContext().system(), this);
// By default persistent will be true and can be turned off using the system
- // property persistent
+ // property shard.persistent
private final boolean persistent;
- private final String name;
+ /// The name of this shard
+ private final ShardIdentifier name;
private volatile SchemaContext schemaContext;
private final List<ActorSelection> dataChangeListeners = new ArrayList<>();
- private Shard(String name, Map<String, String> peerAddresses) {
- super(name, peerAddresses, Optional.of(configParams));
+ private Shard(ShardIdentifier name, Map<ShardIdentifier, String> peerAddresses) {
+ super(name.toString(), mapPeerAddresses(peerAddresses), Optional.of(configParams));
this.name = name;
this.persistent = !"false".equals(setting);
- LOG.info("Creating shard : {} persistent : {}", name, persistent);
+ LOG.info("Shard created : {} persistent : {}", name, persistent);
+
+ store = InMemoryDOMDataStoreFactory.create(name.toString(), null);
+
+ shardMBean = ShardMBeanFactory.getShardStatsMBean(name.toString());
+
+ }
- store = new InMemoryDOMDataStore(name, storeExecutor);
+ private static Map<String, String> mapPeerAddresses(Map<ShardIdentifier, String> peerAddresses){
+ Map<String , String> map = new HashMap<>();
- shardMBean = ShardMBeanFactory.getShardStatsMBean(name);
+ for(Map.Entry<ShardIdentifier, String> entry : peerAddresses.entrySet()){
+ map.put(entry.getKey().toString(), entry.getValue());
+ }
+ return map;
}
- public static Props props(final String name,
- final Map<String, String> peerAddresses) {
+
+
+
+ public static Props props(final ShardIdentifier name,
+ final Map<ShardIdentifier, String> peerAddresses) {
+ Preconditions.checkNotNull(name, "name should not be null");
+ Preconditions.checkNotNull(peerAddresses, "peerAddresses should not be null");
+
return Props.create(new Creator<Shard>() {
@Override
}
} else if (message instanceof PeerAddressResolved) {
PeerAddressResolved resolved = (PeerAddressResolved) message;
- setPeerAddress(resolved.getPeerId(), resolved.getPeerAddress());
+ setPeerAddress(resolved.getPeerId().toString(), resolved.getPeerAddress());
} else {
super.onReceiveCommand(message);
}
}
private ActorRef createTypedTransactionActor(
- CreateTransaction createTransaction, String transactionId) {
+ CreateTransaction createTransaction, ShardTransactionIdentifier transactionId) {
if (createTransaction.getTransactionType()
== TransactionProxy.TransactionType.READ_ONLY.ordinal()) {
+
shardMBean.incrementReadOnlyTransactionCount();
+
return getContext().actorOf(
ShardTransaction
.props(store.newReadOnlyTransaction(), getSelf(),
- schemaContext), transactionId);
+ schemaContext), transactionId.toString());
} else if (createTransaction.getTransactionType()
== TransactionProxy.TransactionType.READ_WRITE.ordinal()) {
+
shardMBean.incrementReadWriteTransactionCount();
+
return getContext().actorOf(
ShardTransaction
.props(store.newReadWriteTransaction(), getSelf(),
- schemaContext), transactionId);
+ schemaContext), transactionId.toString());
} else if (createTransaction.getTransactionType()
== TransactionProxy.TransactionType.WRITE_ONLY.ordinal()) {
+
shardMBean.incrementWriteOnlyTransactionCount();
+
return getContext().actorOf(
ShardTransaction
.props(store.newWriteOnlyTransaction(), getSelf(),
- schemaContext), transactionId);
+ schemaContext), transactionId.toString());
} else {
+ // FIXME: This does not seem right
throw new IllegalArgumentException(
"CreateTransaction message has unidentified transaction type="
+ createTransaction.getTransactionType());
private void createTransaction(CreateTransaction createTransaction) {
- String transactionId = "shard-" + createTransaction.getTransactionId();
- LOG.info("Creating transaction : {} ", transactionId);
+ ShardTransactionIdentifier transactionId = ShardTransactionIdentifier.builder().remoteTransactionId(createTransaction.getTransactionId()).build();
+ LOG.debug("Creating transaction : {} ", transactionId);
ActorRef transactionActor =
createTypedTransactionActor(createTransaction, transactionId);
getSender()
.tell(new CreateTransactionReply(
- Serialization.serializedActorPath(transactionActor),
- createTransaction.getTransactionId()).toSerializable(),
- getSelf()
- );
+ Serialization.serializedActorPath(transactionActor),
+ createTransaction.getTransactionId()).toSerializable(),
+ getSelf());
}
private void commit(final ActorRef sender, Object serialized) {
- Modification modification =
- MutableCompositeModification.fromSerializable(
- serialized, schemaContext);
+ Modification modification = MutableCompositeModification
+ .fromSerializable(serialized, schemaContext);
DOMStoreThreePhaseCommitCohort cohort =
modificationToCohort.remove(serialized);
if (cohort == null) {
- LOG.error(
- "Could not find cohort for modification : {}", modification);
- LOG.info("Writing modification using a new transaction");
+ LOG.debug(
+ "Could not find cohort for modification : {}. Writing modification using a new transaction",
+ modification);
DOMStoreReadWriteTransaction transaction =
store.newReadWriteTransaction();
modification.apply(transaction);
future.get();
future = commitCohort.commit();
future.get();
- } catch (InterruptedException e) {
- LOG.error("Failed to commit", e);
- } catch (ExecutionException e) {
+ } catch (InterruptedException | ExecutionException e) {
+ shardMBean.incrementFailedTransactionsCount();
LOG.error("Failed to commit", e);
+ return;
}
+ //we want to just apply the recovery commit and return
+ shardMBean.incrementCommittedTransactionCount();
+ return;
}
final ListenableFuture<Void> future = cohort.commit();
- shardMBean.incrementCommittedTransactionCount();
final ActorRef self = getSelf();
future.addListener(new Runnable() {
@Override
public void run() {
try {
future.get();
-
- if (sender != null) {
sender
.tell(new CommitTransactionReply().toSerializable(),
self);
- } else {
- LOG.error("sender is null ???");
- }
+ shardMBean.incrementCommittedTransactionCount();
+ shardMBean.setLastCommittedTransactionTime(new Date());
} catch (InterruptedException | ExecutionException e) {
- // FIXME : Handle this properly
- LOG.error(e, "An exception happened when committing");
+ shardMBean.incrementFailedTransactionsCount();
+ sender.tell(new akka.actor.Status.Failure(e),self);
}
}
}, getContext().dispatcher());
private void registerChangeListener(
RegisterChangeListener registerChangeListener) {
- LOG.debug("registerDataChangeListener for " + registerChangeListener
+ LOG.debug("registerDataChangeListener for {}", registerChangeListener
.getPath());
DataChangeListenerRegistration.props(registration));
LOG.debug(
- "registerDataChangeListener sending reply, listenerRegistrationPath = "
- + listenerRegistration.path().toString());
+ "registerDataChangeListener sending reply, listenerRegistrationPath = {} "
+ , listenerRegistration.path().toString());
getSender()
.tell(new RegisterChangeListenerReply(listenerRegistration.path()),
getSender()
.tell(new CreateTransactionChainReply(transactionChain.path())
.toSerializable(),
- getSelf()
- );
+ getSelf());
}
@Override protected void applyState(ActorRef clientActor, String identifier,
if (modification != null) {
commit(clientActor, modification);
} else {
- LOG.error("modification is null - this is very unexpected");
+ LOG.error(
+ "modification is null - this is very unexpected, clientActor = {}, identifier = {}",
+ identifier, clientActor.path().toString());
}
LOG.error("Unknown state received {}", data);
}
+ // Update stats
ReplicatedLogEntry lastLogEntry = getLastLogEntry();
if(lastLogEntry != null){
}
@Override public String persistenceId() {
- return this.name;
+ return this.name.toString();
}