protected bool checkVote(RequestVote voteRequest)
{
//Reply false if term < currentTerm
if (voteRequest.term < this.currentTerm)
{
return(false);
}
//Reply false if already voted
if (this.votedForCandidateId > 0)
{
return(false);
}
//Reply false if the term of this node's last log > the term of requester's last log
if (this.logEntries.getLastLogTerm() > voteRequest.lastLogTerm)
{
return(false);
}
//Reply false if the terms equal, but the requester's last index is smaller
if (this.logEntries.getLastLogTerm() == voteRequest.lastLogTerm &&
this.logEntries.getLastLogIndex() > voteRequest.lastLogIndex)
{
return(false);
}
return(true);
}
public void respondVoteRequest(RequestVote voteRequest, IActorRef sender)
{
//Check whether this node can vote for the requester
bool vote = this.checkVote(voteRequest);
//If we can vote for this candidate, vote and record it
if (vote)
{
this.votedForCandidateId = voteRequest.candidateID;
this.resetElectionTimer();
}
this.updatePersistentStorage();
//Reply to the candidate
sender.Tell(new RequestVoteResponse(this.currentTerm, vote));
}
public void handleRequestVote(RequestVote voteRequest, IActorRef sender)
{
this.node.respondVoteRequest(voteRequest, sender);
}
public void handleRequestVote(RequestVote requestVote, IActorRef sender)
{
//If it gets here, the sender's term is <= this node's term, vote no
sender.Tell(new RequestVoteResponse(this.node.currentTerm, false));
}
