X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-akka-raft%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fraft%2Fbehaviors%2FCandidate.java;h=b36c41abf262b8c24d05f354091f7c4ec92a0827;hp=702417273ff586fc635ebcb65e15fa4c8bd64885;hb=c31509c7a6630e54a9f9749a643fed5e1a1ad380;hpb=edcc5a03c9738ed38da8b8bdb6b2ee590df6ebf9 diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/Candidate.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/Candidate.java index 702417273f..b36c41abf2 100644 --- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/Candidate.java +++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/Candidate.java @@ -10,6 +10,7 @@ package org.opendaylight.controller.cluster.raft.behaviors; import akka.actor.ActorRef; import akka.actor.ActorSelection; +import java.util.Set; import org.opendaylight.controller.cluster.raft.RaftActorContext; import org.opendaylight.controller.cluster.raft.RaftState; import org.opendaylight.controller.cluster.raft.base.messages.ElectionTimeout; @@ -19,8 +20,6 @@ import org.opendaylight.controller.cluster.raft.messages.RaftRPC; import org.opendaylight.controller.cluster.raft.messages.RequestVote; import org.opendaylight.controller.cluster.raft.messages.RequestVoteReply; -import java.util.Set; - /** * The behavior of a RaftActor when it is in the CandidateState *

@@ -48,12 +47,12 @@ public class Candidate extends AbstractRaftActorBehavior { private final Set peers; public Candidate(RaftActorContext context) { - super(context); + super(context, RaftState.Candidate); peers = context.getPeerAddresses().keySet(); if(LOG.isDebugEnabled()) { - LOG.debug("Election:Candidate has following peers: {}", peers); + LOG.debug("{}: Election: Candidate has following peers: {}", logName(), peers); } votesRequired = getMajorityVoteCount(peers.size()); @@ -66,7 +65,7 @@ public class Candidate extends AbstractRaftActorBehavior { AppendEntries appendEntries) { if(LOG.isDebugEnabled()) { - LOG.debug(appendEntries.toString()); + LOG.debug("{}: handleAppendEntries: {}", logName(), appendEntries); } return this; @@ -79,7 +78,10 @@ public class Candidate extends AbstractRaftActorBehavior { } @Override protected RaftActorBehavior handleRequestVoteReply(ActorRef sender, - RequestVoteReply requestVoteReply) { + RequestVoteReply requestVoteReply) { + + LOG.debug("{}: handleRequestVoteReply: {}, current voteCount: {}", logName(), requestVoteReply, + voteCount); if (requestVoteReply.isVoteGranted()) { voteCount++; @@ -92,10 +94,6 @@ public class Candidate extends AbstractRaftActorBehavior { return this; } - @Override public RaftState state() { - return RaftState.Candidate; - } - @Override public RaftActorBehavior handleMessage(ActorRef sender, Object originalMessage) { @@ -106,7 +104,8 @@ public class Candidate extends AbstractRaftActorBehavior { RaftRPC rpc = (RaftRPC) message; if(LOG.isDebugEnabled()) { - LOG.debug("RaftRPC message received {} my term is {}", rpc, context.getTermInformation().getCurrentTerm()); + LOG.debug("{}: RaftRPC message received {}, my term is {}", logName(), rpc, + context.getTermInformation().getCurrentTerm()); } // If RPC request or response contains term T > currentTerm: @@ -120,6 +119,8 @@ public class Candidate extends AbstractRaftActorBehavior { } if (message instanceof ElectionTimeout) { + LOG.debug("{}: Received ElectionTimeout", logName()); + if (votesRequired == 0) { // If there are no peers then we should be a Leader // We wait for the election timeout to occur before declare @@ -146,12 +147,10 @@ public class Candidate extends AbstractRaftActorBehavior { // Increment the election term and vote for self long currentTerm = context.getTermInformation().getCurrentTerm(); - context.getTermInformation().updateAndPersist(currentTerm + 1, - context.getId()); + long newTerm = currentTerm + 1; + context.getTermInformation().updateAndPersist(newTerm, context.getId()); - if(LOG.isDebugEnabled()) { - LOG.debug("Starting new term {}", (currentTerm + 1)); - } + LOG.debug("{}: Starting new term {}", logName(), newTerm); // Request for a vote // TODO: Retry request for vote if replies do not arrive in a reasonable @@ -159,17 +158,17 @@ public class Candidate extends AbstractRaftActorBehavior { for (String peerId : peers) { ActorSelection peerActor = context.getPeerActorSelection(peerId); if(peerActor != null) { - peerActor.tell(new RequestVote( + RequestVote requestVote = new RequestVote( context.getTermInformation().getCurrentTerm(), context.getId(), context.getReplicatedLog().lastIndex(), - context.getReplicatedLog().lastTerm()), - context.getActor() - ); - } - } + context.getReplicatedLog().lastTerm()); + LOG.debug("{}: Sending {} to peer {}", logName(), requestVote, peerId); + peerActor.tell(requestVote, context.getActor()); + } + } } @Override public void close() throws Exception {