public void SendRequestVote(string clusterName, int peerId, long term, int candidateId, long lastLogIndex,
long lastLogTerm, VoteResponseHandler handler)
{
if (rafts.TryGetValue(peerId, out var r))
{
Task.Run(() =>
{
// await Task.Delay(randomDelay());
try
{
r.HandleVoteRequest(clusterName, term, candidateId, lastLogIndex, lastLogTerm, handler);
}
catch (Exception)
{
// logger.error(t.getMessage(), t);
}
});
}
}
public void HandleVoteRequest(String clusterName, long term, int candidateId, long lastLogIndex, long lastLogTerm, VoteResponseHandler handler)
{
lock (this)
{
if (config.ClusterName != clusterName || !IsValidPeer(candidateId))
{
return;
}
if (term > currentTerm)
{
StepDown(term);
}
if (term >= currentTerm && (votedFor == 0 || votedFor == candidateId) && lastLogIndex >= Log.LastIndex &&
lastLogTerm >= Log.LastTerm)
{
votedFor = candidateId;
RescheduleElection();
logger.LogInformation($"{this} I'm voting YES for {candidateId} (term {currentTerm})");
handler(currentTerm, true);
}
else
{
logger.LogInformation($"{this} I'm voting NO for {candidateId} (term {currentTerm})");
handler(currentTerm, false);
}
}
}
void IRaftRPC.SendRequestVote(string clusterName, int peerId, long term, int candidateId, long lastLogIndex, long lastLogTerm, VoteResponseHandler handler)
{
var peer = Configuration.GetPeer(peerId);
var msg = new RequestMessage(clusterName, peerId, term, candidateId, lastLogIndex, lastLogTerm);
Task.Run(async() =>
{
var response = await sender.SendMessage(peer, msg) as ResponseMessage;
if (response != null)
{
handler(response.Term, response.VoteGranted);
}
});
}
