public Task <HttpResponseMessage> TimeoutNow([FromUri] TimeoutNowRequest request)
{
var taskCompletionSource = new TaskCompletionSource <HttpResponseMessage>();
_bus.Publish(request, taskCompletionSource);
return(taskCompletionSource.Task);
}
public void Send(NodeConnectionInfo dest, TimeoutNowRequest req)
{
if (_linkedTokenSource.IsCancellationRequested)
{
return;
}
_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());
});
}
}
public void Send(NodeConnectionInfo dest, TimeoutNowRequest req)
{
LogStatus("timeout to " + dest, async() =>
{
var requestUri = string.Format("raft/timeoutNow?term={0}&from={1}&clusterTopologyId={2}", req.Term, req.From, req.ClusterTopologyId);
using (var request = CreateRequest(dest, requestUri, HttpMethods.Get))
{
var httpResponseMessage = await request.ExecuteAsync().ConfigureAwait(false);
UpdateConnectionFailureCounts(dest, httpResponseMessage);
var reply = await httpResponseMessage.Content.ReadAsStringAsync().ConfigureAwait(false);
if (httpResponseMessage.IsSuccessStatusCode == false)
{
_log.Warn("Error appending entries to {0}. Status: {1}\r\n{2}", dest.Name, httpResponseMessage.StatusCode, httpResponseMessage, reply);
return;
}
SendToSelf(new NothingToDo());
}
});
}
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)
{
_parent.AddToQueue(this, dest.Name, req);
}
