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.FutureCallback;
+import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
+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.InMemoryDOMDataStoreConfigProperties;
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 scala.concurrent.duration.FiniteDuration;
import java.util.ArrayList;
+import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public static final String DEFAULT_NAME = "default";
+ // 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,
+ InMemoryDOMDataStoreConfigProperties dataStoreProperties) {
+ 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, null);
+ store = InMemoryDOMDataStoreFactory.create(name.toString(), null, dataStoreProperties);
- shardMBean = ShardMBeanFactory.getShardStatsMBean(name);
+ shardMBean = ShardMBeanFactory.getShardStatsMBean(name.toString());
}
- public static Props props(final String name,
- final Map<String, String> peerAddresses) {
+ private static Map<String, String> mapPeerAddresses(
+ Map<ShardIdentifier, String> peerAddresses) {
+ Map<String, String> map = new HashMap<>();
+
+ for (Map.Entry<ShardIdentifier, String> entry : peerAddresses
+ .entrySet()) {
+ map.put(entry.getKey().toString(), entry.getValue());
+ }
+
+ return map;
+ }
+
+
+
+
+ public static Props props(final ShardIdentifier name,
+ final Map<ShardIdentifier, String> peerAddresses,
+ final InMemoryDOMDataStoreConfigProperties dataStoreProperties) {
+ Preconditions.checkNotNull(name, "name should not be null");
+ Preconditions
+ .checkNotNull(peerAddresses, "peerAddresses should not be null");
+
return Props.create(new Creator<Shard>() {
@Override
public Shard create() throws Exception {
- return new Shard(name, peerAddresses);
+ return new Shard(name, peerAddresses, dataStoreProperties);
}
});
}
} 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 {
throw new IllegalArgumentException(
- "CreateTransaction message has unidentified transaction type="
+ "Shard="+name + ":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);
.tell(new CreateTransactionReply(
Serialization.serializedActorPath(transactionActor),
createTransaction.getTransactionId()).toSerializable(),
- getSelf()
- );
+ 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 ???");
- }
- } catch (InterruptedException | ExecutionException e) {
- // FIXME : Handle this properly
- LOG.error(e, "An exception happened when committing");
- }
+
+ Futures.addCallback(future, new FutureCallback<Void>() {
+ public void onSuccess(Void v) {
+ sender.tell(new CommitTransactionReply().toSerializable(),self);
+ shardMBean.incrementCommittedTransactionCount();
+ shardMBean.setLastCommittedTransactionTime(new Date());
+ }
+
+ public void onFailure(Throwable t) {
+ LOG.error(t, "An exception happened during commit");
+ shardMBean.incrementFailedTransactionsCount();
+ sender.tell(new akka.actor.Status.Failure(t), self);
}
- }, getContext().dispatcher());
+ });
+
}
private void handleForwardedCommit(ForwardedCommitTransaction message) {
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){
+ if (lastLogEntry != null) {
shardMBean.setLastLogIndex(lastLogEntry.getIndex());
shardMBean.setLastLogTerm(lastLogEntry.getTerm());
}
}
@Override public String persistenceId() {
- return this.name;
+ return this.name.toString();
}
Code Review / controller.git / blobdiff