public void Handle(ElectionMessage.PrepareOk msg)
{
if (_state == ElectionsState.Shutdown)
{
return;
}
if (_state != ElectionsState.ElectingLeader)
{
return;
}
if (msg.View != _lastAttemptedView)
{
return;
}
Log.Debug("ELECTIONS: (V={view}) PREPARE_OK FROM {nodeInfo}.", msg.View,
FormatNodeInfo(msg.ServerInternalHttp, msg.ServerId,
msg.LastCommitPosition, msg.WriterCheckpoint, msg.ChaserCheckpoint,
msg.EpochNumber, msg.EpochPosition, msg.EpochId));
if (!_prepareOkReceived.ContainsKey(msg.ServerId))
{
_prepareOkReceived.Add(msg.ServerId, msg);
if (_prepareOkReceived.Count == _clusterSize / 2 + 1)
{
ShiftToRegLeader();
}
}
}
public void Send(ElectionMessage.PrepareOk message, IPEndPoint endPoint)
{
Ensure.NotNull(message, "message");
Ensure.NotNull(endPoint, "endPoint");
_client.Post(endPoint.ToHttpUrl("/elections/prepareok"),
Codec.Json.To(new ElectionMessageDto.PrepareOkDto(message)),
Codec.Json.ContentType,
r => { /*ignore*/ },
e => { /*Log.ErrorException(e, "Error occured while writing request (elections/prepareok)")*/ });
}
public void SendPrepareOk(ElectionMessage.PrepareOk prepareOk, EndPoint destinationEndpoint,
DateTime deadline)
{
SendPrepareOkAsync(prepareOk.View, prepareOk.ServerId, prepareOk.ServerHttpEndPoint, prepareOk.EpochNumber,
prepareOk.EpochPosition, prepareOk.EpochId, prepareOk.EpochLeaderInstanceId, prepareOk.LastCommitPosition,
prepareOk.WriterCheckpoint,
prepareOk.ChaserCheckpoint, prepareOk.NodePriority, prepareOk.ClusterInfo, deadline)
.ContinueWith(r => {
if (r.Exception != null)
{
Log.Information(r.Exception, "Prepare OK Send Failed to {Server}",
destinationEndpoint);
}
});
}
