public AppendEntriesResponse AppendEntry(AppendEntriesRequest requestVote)
{
var electTime = ElectionTimeout;
Election.Change(electTime, Timeout.Infinite);
lock (_lockObject)
{
Peer.MyState.ThisServerInfo.PersistedState.SavePeerState(Peer.MyState);
foreach (var peer in Peer.MyState.PeerlList)
{
peer.Value.Persist(Peer.MyState.ThisServerInfo);
}
var differentStateOrLeader = Peer.MyState.CurrentState != CurrentServerState.Follower ||
Peer.MyState.Leader != null && Peer.MyState.Leader.Id != requestVote.Leader.Id;
if (requestVote.Term > Peer.MyState.CurrentTerm || Peer.MyState.CurrentTerm <= requestVote.Term && differentStateOrLeader)
{
WriteLine($"Server {Peer.MyState.Id} is reverting to follower from {Peer.MyState.CurrentState}");
Peer.MyState.CurrentTerm = requestVote.Term;
Peer.MyState.CurrentState = CurrentServerState.Follower;
Peer.MyState.Leader = requestVote.Leader;
}
var success = GrantSuccess(requestVote);
return(new AppendEntriesResponse(Peer.MyState.CurrentTerm, success, Peer.MyState.ThisServerInfo.Id));
}
}
public ResponseVote GetVote(RequestVote requestVote)
{
lock (_lockObject)
{
Peer.MyState.ThisServerInfo.PersistedState.SavePeerState(Peer.MyState);
if (requestVote.Term > Peer.MyState.CurrentTerm || (Peer.MyState.CurrentState == CurrentServerState.Candidate &&
Peer.MyState.CurrentTerm <= requestVote.Term))
{
WriteLine($"Server {Peer.MyState.Id} is reverting to follower from {Peer.MyState.CurrentState}");
Peer.MyState.CurrentTerm = requestVote.Term;
Peer.MyState.CurrentState = CurrentServerState.Follower;
}
var voteGranted = GrantVote(requestVote);
if (!voteGranted)
{
return(new ResponseVote(Peer.MyState.CurrentTerm, false));
}
Peer.MyState.VotedForId = requestVote.CandidateId;
var electTime = ElectionTimeout;
Election.Change(electTime, Timeout.Infinite);
}
return(new ResponseVote(Peer.MyState.CurrentTerm, true));
}