import akka.actor.ActorRef;
import akka.actor.Cancellable;
+import java.util.HashSet;
import java.util.Random;
+import java.util.Set;
import java.util.concurrent.TimeUnit;
import org.opendaylight.controller.cluster.raft.ClientRequestTracker;
import org.opendaylight.controller.cluster.raft.RaftActorContext;
import org.opendaylight.controller.cluster.raft.RaftState;
import org.opendaylight.controller.cluster.raft.ReplicatedLogEntry;
import org.opendaylight.controller.cluster.raft.SerializationUtils;
+import org.opendaylight.controller.cluster.raft.ServerConfigurationPayload;
+import org.opendaylight.controller.cluster.raft.ServerConfigurationPayload.ServerInfo;
+import org.opendaylight.controller.cluster.raft.VotingState;
import org.opendaylight.controller.cluster.raft.base.messages.ApplyJournalEntries;
import org.opendaylight.controller.cluster.raft.base.messages.ApplyState;
import org.opendaylight.controller.cluster.raft.base.messages.ElectionTimeout;
@Override
public RaftActorBehavior switchBehavior(RaftActorBehavior behavior) {
- LOG.info("{} :- Switching from behavior {} to {}", logName(), this.state(), behavior.state());
+ return internalSwitchBehavior(behavior);
+ }
+
+ protected RaftActorBehavior internalSwitchBehavior(RaftState newState) {
+ if(context.getRaftPolicy().automaticElectionsEnabled()){
+ return internalSwitchBehavior(newState.createBehavior(context));
+ }
+ return this;
+ }
+
+ private RaftActorBehavior internalSwitchBehavior(RaftActorBehavior newBehavior) {
+ LOG.info("{} :- Switching from behavior {} to {}", logName(), this.state(), newBehavior.state());
try {
close();
} catch (Exception e) {
LOG.error("{}: Failed to close behavior : {}", logName(), this.state(), e);
}
-
- return behavior;
+ return newBehavior;
}
+
protected int getMajorityVoteCount(int numPeers) {
// Votes are required from a majority of the peers including self.
// The numMajority field therefore stores a calculated value
return context.getId();
}
+ public void applyServerConfiguration(ServerConfigurationPayload serverConfig) {
+ Set<String> currentPeers = new HashSet<>(context.getPeerIds());
+ for(ServerInfo server: serverConfig.getServerConfig()) {
+ if(!getId().equals(server.getId())) {
+ VotingState votingState = server.isVoting() ? VotingState.VOTING: VotingState.NON_VOTING;
+ if(!currentPeers.contains(server.getId())) {
+ context.addToPeers(server.getId(), null, votingState);
+ } else {
+ context.getPeerInfo(server.getId()).setVotingState(votingState);
+ currentPeers.remove(server.getId());
+ }
+ }
+ }
+
+ for(String peerIdToRemove: currentPeers) {
+ context.removePeer(peerIdToRemove);
+ }
+ }
}