public void Handle(TimeoutNowRequest req)
{
if (FromOurTopology(req) == false)
{
_log.Info("Got a timeout request message outside my cluster topology (id: {0}), ignoring", req.ClusterTopologyId);
return;
}
if (req.Term < Engine.PersistentState.CurrentTerm)
{
_log.Info("Got timeout now request from an older term, ignoring");
return;
}
if (req.From != Engine.CurrentLeader)
{
_log.Info("Got timeout now request from {0}, who isn't the current leader, ignoring.",
req.From);
return;
}
_log.Info("Got timeout now request from the leader, timing out and forcing immediate election");
Engine.SetState(RaftEngineState.CandidateByRequest);
}
public void Send(NodeConnectionInfo dest, TimeoutNowRequest req)
{
_sender.Send(dest, req);
}
public void Send(NodeConnectionInfo dest, TimeoutNowRequest req)
{
HttpClient client;
using (GetConnection(dest, out client))
{
LogStatus("timeout to " + dest, async () =>
{
var message = await client.GetAsync(string.Format("raft/timeoutNow?term={0}&from={1}&clusterTopologyId={2}", req.Term, req.From, req.ClusterTopologyId));
var reply = await message.Content.ReadAsStringAsync();
if (message.IsSuccessStatusCode == false)
{
_log.Warn("Error appending entries to {0}. Status: {1}\r\n{2}", dest.Name, message.StatusCode, message, reply);
return;
}
SendToSelf(new NothingToDo());
});
}
}
