package org.opendaylight.controller.cluster.raft;
import akka.actor.ActorRef;
-import akka.japi.Procedure;
import akka.persistence.SaveSnapshotFailure;
import akka.persistence.SaveSnapshotSuccess;
import com.google.common.annotations.VisibleForTesting;
import org.opendaylight.controller.cluster.raft.base.messages.ApplySnapshot;
import org.opendaylight.controller.cluster.raft.base.messages.CaptureSnapshot;
import org.opendaylight.controller.cluster.raft.base.messages.CaptureSnapshotReply;
-import org.opendaylight.controller.cluster.raft.behaviors.RaftActorBehavior;
import org.opendaylight.controller.cluster.raft.client.messages.GetSnapshot;
import org.opendaylight.controller.cluster.raft.client.messages.GetSnapshotReply;
import org.slf4j.Logger;
* @author Thomas Pantelis
*/
class RaftActorSnapshotMessageSupport {
- static final String COMMIT_SNAPSHOT = "commit_snapshot";
-
- private final RaftActorContext context;
- private final RaftActorBehavior currentBehavior;
- private final RaftActorSnapshotCohort cohort;
- private final Logger log;
-
- private final Procedure<Void> createSnapshotProcedure = new Procedure<Void>() {
+ static final Object COMMIT_SNAPSHOT = new Object() {
@Override
- public void apply(Void notUsed) {
- cohort.createSnapshot(context.getActor());
+ public String toString() {
+ return "commit_snapshot";
}
};
- private final Procedure<byte[]> applySnapshotProcedure = new Procedure<byte[]>() {
- @Override
- public void apply(byte[] state) {
- cohort.applySnapshot(state);
- }
- };
+ private final RaftActorContext context;
+ private final RaftActorSnapshotCohort cohort;
+ private final Logger log;
private Duration snapshotReplyActorTimeout = Duration.create(30, TimeUnit.SECONDS);
- RaftActorSnapshotMessageSupport(RaftActorContext context, RaftActorBehavior currentBehavior,
- RaftActorSnapshotCohort cohort) {
+ RaftActorSnapshotMessageSupport(final RaftActorContext context, final RaftActorSnapshotCohort cohort) {
this.context = context;
- this.currentBehavior = currentBehavior;
this.cohort = cohort;
this.log = context.getLogger();
- context.getSnapshotManager().setCreateSnapshotCallable(createSnapshotProcedure);
- context.getSnapshotManager().setApplySnapshotProcedure(applySnapshotProcedure);
+ context.getSnapshotManager().setCreateSnapshotRunnable(() -> cohort.createSnapshot(context.getActor()));
+ context.getSnapshotManager().setApplySnapshotConsumer(cohort::applySnapshot);
}
boolean handleSnapshotMessage(Object message, ActorRef sender) {
- if(message instanceof ApplySnapshot ) {
+ if (message instanceof ApplySnapshot ) {
onApplySnapshot((ApplySnapshot) message);
- return true;
} else if (message instanceof SaveSnapshotSuccess) {
onSaveSnapshotSuccess((SaveSnapshotSuccess) message);
- return true;
} else if (message instanceof SaveSnapshotFailure) {
onSaveSnapshotFailure((SaveSnapshotFailure) message);
- return true;
} else if (message instanceof CaptureSnapshotReply) {
onCaptureSnapshotReply(((CaptureSnapshotReply) message).getSnapshot());
- return true;
- } else if (message.equals(COMMIT_SNAPSHOT)) {
- context.getSnapshotManager().commit(-1, currentBehavior);
- return true;
+ } else if (COMMIT_SNAPSHOT.equals(message)) {
+ context.getSnapshotManager().commit(-1);
} else if (message instanceof GetSnapshot) {
onGetSnapshot(sender);
- return true;
} else {
return false;
}
+
+ return true;
}
private void onCaptureSnapshotReply(byte[] snapshotBytes) {
log.debug("{}: CaptureSnapshotReply received by actor: snapshot size {}", context.getId(), snapshotBytes.length);
- context.getSnapshotManager().persist(snapshotBytes, currentBehavior, context.getTotalMemory());
+ context.getSnapshotManager().persist(snapshotBytes, context.getTotalMemory());
}
private void onSaveSnapshotFailure(SaveSnapshotFailure saveSnapshotFailure) {
long sequenceNumber = success.metadata().sequenceNr();
- context.getSnapshotManager().commit(sequenceNumber, currentBehavior);
+ context.getSnapshotManager().commit(sequenceNumber);
}
private void onApplySnapshot(ApplySnapshot message) {
ActorRef snapshotReplyActor = context.actorOf(GetSnapshotReplyActor.props(captureSnapshot,
ImmutableElectionTerm.copyOf(context.getTermInformation()), sender,
- snapshotReplyActorTimeout, context.getId()));
+ snapshotReplyActorTimeout, context.getId(), context.getPeerServerInfo(true)));
cohort.createSnapshot(snapshotReplyActor);
} else {
Snapshot snapshot = Snapshot.create(new byte[0], Collections.<ReplicatedLogEntry>emptyList(), -1, -1, -1, -1,
- context.getTermInformation().getCurrentTerm(), context.getTermInformation().getVotedFor());
+ context.getTermInformation().getCurrentTerm(), context.getTermInformation().getVotedFor(),
+ context.getPeerServerInfo(true));
sender.tell(new GetSnapshotReply(context.getId(), SerializationUtils.serialize(snapshot)),
context.getActor());