package org.opendaylight.controller.cluster.raft;
+import com.google.common.base.Preconditions;
import com.google.common.base.Stopwatch;
import java.util.concurrent.TimeUnit;
public class FollowerLogInformationImpl implements FollowerLogInformation {
- private final String id;
-
private final Stopwatch stopwatch = Stopwatch.createUnstarted();
private final RaftActorContext context;
private final Stopwatch lastReplicatedStopwatch = Stopwatch.createUnstarted();
+ private short payloadVersion = -1;
+
+ // Assume the HELIUM_VERSION version initially for backwards compatibility until we obtain the follower's
+ // actual version via AppendEntriesReply. Although we no longer support the Helium version, a pre-Boron
+ // follower will not have the version field in AppendEntriesReply so it will be set to 0 which is
+ // HELIUM_VERSION.
+ private short raftVersion = RaftVersions.HELIUM_VERSION;
+
+ private final PeerInfo peerInfo;
- public FollowerLogInformationImpl(String id, long matchIndex, RaftActorContext context) {
- this.id = id;
+ public FollowerLogInformationImpl(PeerInfo peerInfo, long matchIndex, RaftActorContext context) {
this.nextIndex = context.getCommitIndex();
this.matchIndex = matchIndex;
this.context = context;
+ this.peerInfo = Preconditions.checkNotNull(peerInfo);
}
@Override
@Override
public String getId() {
- return id;
+ return peerInfo.getId();
}
@Override
@Override
public boolean isFollowerActive() {
+ if(peerInfo.getVotingState() == VotingState.VOTING_NOT_INITIALIZED) {
+ return false;
+ }
+
long elapsed = stopwatch.elapsed(TimeUnit.MILLISECONDS);
return (stopwatch.isRunning()) &&
(elapsed <= context.getConfigParams().getElectionTimeOutInterval().toMillis());
@Override
public boolean okToReplicate() {
+ if(peerInfo.getVotingState() == VotingState.VOTING_NOT_INITIALIZED) {
+ return false;
+ }
+
// Return false if we are trying to send duplicate data before the heartbeat interval
if(getNextIndex() == lastReplicatedIndex){
if(lastReplicatedStopwatch.elapsed(TimeUnit.MILLISECONDS) < context.getConfigParams()
lastReplicatedStopwatch.start();
}
+ @Override
+ public short getPayloadVersion() {
+ return payloadVersion;
+ }
+
+ @Override
+ public void setPayloadVersion(short payloadVersion) {
+ this.payloadVersion = payloadVersion;
+ }
+
+ @Override
+ public short getRaftVersion() {
+ return raftVersion;
+ }
+
+ @Override
+ public void setRaftVersion(short raftVersion) {
+ this.raftVersion = raftVersion;
+ }
+
@Override
public String toString() {
- StringBuilder builder = new StringBuilder();
- builder.append("FollowerLogInformationImpl [id=").append(id).append(", nextIndex=").append(nextIndex)
- .append(", matchIndex=").append(matchIndex).append(", stopwatch=")
- .append(stopwatch.elapsed(TimeUnit.MILLISECONDS))
- .append(", followerTimeoutMillis=")
- .append(context.getConfigParams().getElectionTimeOutInterval().toMillis()).append("]");
- return builder.toString();
+ return "FollowerLogInformationImpl [id=" + getId() + ", nextIndex=" + nextIndex + ", matchIndex=" + matchIndex
+ + ", lastReplicatedIndex=" + lastReplicatedIndex + ", votingState=" + peerInfo.getVotingState()
+ + ", stopwatch=" + stopwatch.elapsed(TimeUnit.MILLISECONDS) + ", followerTimeoutMillis="
+ + context.getConfigParams().getElectionTimeOutInterval().toMillis() + "]";
}
}