Merge "Verify BatchedModifications messages sent vs received"
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / Shard.java
index 9cd52b219a442320bd0dc8bf12cdfc6b6c4a577b..b2a86376941d4e8e609d8e3f976041b9f7e665b3 100644 (file)
@@ -63,11 +63,11 @@ import org.opendaylight.controller.cluster.datastore.utils.SerializationUtils;
 import org.opendaylight.controller.cluster.notifications.RegisterRoleChangeListener;
 import org.opendaylight.controller.cluster.notifications.RoleChangeNotifier;
 import org.opendaylight.controller.cluster.raft.RaftActor;
+import org.opendaylight.controller.cluster.raft.RaftActorRecoveryCohort;
 import org.opendaylight.controller.cluster.raft.base.messages.FollowerInitialSyncUpStatus;
 import org.opendaylight.controller.cluster.raft.messages.AppendEntriesReply;
 import org.opendaylight.controller.cluster.raft.protobuff.client.messages.CompositeModificationByteStringPayload;
 import org.opendaylight.controller.cluster.raft.protobuff.client.messages.CompositeModificationPayload;
-import org.opendaylight.controller.cluster.raft.protobuff.client.messages.Payload;
 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.DOMStoreThreePhaseCommitCohort;
@@ -121,12 +121,6 @@ public class Shard extends RaftActor {
     private final ReadyTransactionReply READY_TRANSACTION_REPLY = new ReadyTransactionReply(
             Serialization.serializedActorPath(getSelf()));
 
-
-    /**
-     * Coordinates persistence recovery on startup.
-     */
-    private ShardRecoveryCoordinator recoveryCoordinator;
-
     private final DOMTransactionFactory transactionFactory;
 
     private final String txnDispatcherPath;
@@ -177,8 +171,6 @@ public class Shard extends RaftActor {
 
         appendEntriesReplyTracker = new MessageTracker(AppendEntriesReply.class,
                 getRaftActorContext().getConfigParams().getIsolatedCheckIntervalInMillis());
-
-        recoveryCoordinator = new ShardRecoveryCoordinator(store, persistenceId(), LOG);
     }
 
     private void setTransactionCommitTimeout() {
@@ -447,8 +439,12 @@ public class Shard extends RaftActor {
         //
         if(isLeader()) {
             try {
-                BatchedModificationsReply reply = commitCoordinator.handleTransactionModifications(batched);
-                sender().tell(reply, self());
+                boolean ready = commitCoordinator.handleTransactionModifications(batched);
+                if(ready) {
+                    sender().tell(READY_TRANSACTION_REPLY, self());
+                } else {
+                    sender().tell(new BatchedModificationsReply(batched.getModifications().size()), self());
+                }
             } catch (Exception e) {
                 LOG.error("{}: Error handling BatchedModifications for Tx {}", persistenceId(),
                         batched.getTransactionID(), e);
@@ -488,20 +484,21 @@ public class Shard extends RaftActor {
         // node. In that case, the subsequent 3-phase commit messages won't contain the
         // transactionId so to maintain backwards compatibility, we create a separate cohort actor
         // to provide the compatible behavior.
-        if(ready.getTxnClientVersion() < DataStoreVersions.HELIUM_1_VERSION) {
-            LOG.debug("{}: Creating BackwardsCompatibleThreePhaseCommitCohort", persistenceId());
-            ActorRef replyActorPath = getContext().actorOf(BackwardsCompatibleThreePhaseCommitCohort.props(
-                    ready.getTransactionID()));
+        if(ready.getTxnClientVersion() < DataStoreVersions.LITHIUM_VERSION) {
+            ActorRef replyActorPath = getSelf();
+            if(ready.getTxnClientVersion() < DataStoreVersions.HELIUM_1_VERSION) {
+                LOG.debug("{}: Creating BackwardsCompatibleThreePhaseCommitCohort", persistenceId());
+                replyActorPath = getContext().actorOf(BackwardsCompatibleThreePhaseCommitCohort.props(
+                        ready.getTransactionID()));
+            }
 
             ReadyTransactionReply readyTransactionReply =
-                    new ReadyTransactionReply(Serialization.serializedActorPath(replyActorPath));
+                    new ReadyTransactionReply(Serialization.serializedActorPath(replyActorPath),
+                            ready.getTxnClientVersion());
             getSender().tell(ready.isReturnSerialized() ? readyTransactionReply.toSerializable() :
-                    readyTransactionReply, getSelf());
-
+                readyTransactionReply, getSelf());
         } else {
-
-            getSender().tell(ready.isReturnSerialized() ? READY_TRANSACTION_REPLY.toSerializable() :
-                    READY_TRANSACTION_REPLY, getSelf());
+            getSender().tell(READY_TRANSACTION_REPLY, getSelf());
         }
     }
 
@@ -649,30 +646,13 @@ public class Shard extends RaftActor {
     }
 
     @Override
-    protected
-    void startLogRecoveryBatch(final int maxBatchSize) {
-        recoveryCoordinator.startLogRecoveryBatch(maxBatchSize);
-    }
-
-    @Override
-    protected void appendRecoveredLogEntry(final Payload data) {
-        recoveryCoordinator.appendRecoveredLogPayload(data);
-    }
-
-    @Override
-    protected void applyRecoverySnapshot(final byte[] snapshotBytes) {
-        recoveryCoordinator.applyRecoveredSnapshot(snapshotBytes);
-    }
-
-    @Override
-    protected void applyCurrentLogRecoveryBatch() {
-        recoveryCoordinator.applyCurrentLogRecoveryBatch();
+    @Nonnull
+    protected RaftActorRecoveryCohort getRaftActorRecoveryCohort() {
+        return new ShardRecoveryCoordinator(store, persistenceId(), LOG);
     }
 
     @Override
     protected void onRecoveryComplete() {
-        recoveryCoordinator = null;
-
         //notify shard manager
         getContext().parent().tell(new ActorInitialized(), getSelf());