private Task <HttpResponseMessage> SendLeaderRequestVote(string nodeAddress)
{
var url = nodeAddress.AppendPathSegment("api/raft/request-vote");
_logger.LogInformation($"Sending leader request to node: '{nodeAddress}'. Endpoint address: '{url}'.");
var request = new HttpRequestMessage(HttpMethod.Post, url);
request.Headers.Authorization = new AuthenticationHeaderValue(
_consensusContext.ConsensusOptions.AuthenticationScheme, _consensusContext.ConsensusOptions.AuthenticationParameter);
var requestVoteEvent = new RequestVoteEvent(_consensusContext.CurrentTerm, _consensusContext.CurrentNode);
var jsonContent = JsonConvert.SerializeObject(requestVoteEvent);
var content = new StringContent(jsonContent, Encoding.UTF8, "application/json");
request.Content = content;
var task = _consensusContext.HttpClient.SendAsync(request);
return(task);
}
private bool OtherNodeCanBeLeader(RequestVoteEvent requestVoteEvent)
{
return(requestVoteEvent.Term >= _consensusContext.CurrentTerm &&
requestVoteEvent.Term > _consensusContext.NodeVote.VoteTerm);
}
public ActionResult RequestVote([FromBody] RequestVoteEvent requestVoteEvent)
{
var response = _consensusContext.State.TriggerEvent(requestVoteEvent);
return(new ObjectResult(response));
}
