private void ServerDescriptionChanged(object sender, ServerDescriptionChangedEventArgs args)
{
var oldClusterDescription = Description;
ClusterDescription newClusterDescription = oldClusterDescription;
var newServerDescription = args.NewServerDescription;
if (newServerDescription.State == ServerState.Disconnected)
{
newClusterDescription = Description
.WithServerDescription(newServerDescription);
}
else
{
var determinedClusterType = DetermineClusterType(newServerDescription);
if (oldClusterDescription.Type == ClusterType.Unknown)
{
newClusterDescription = newClusterDescription
.WithType(determinedClusterType)
.WithServerDescription(newServerDescription);
}
else if (determinedClusterType != oldClusterDescription.Type)
{
newClusterDescription = newClusterDescription
.WithoutServerDescription(newServerDescription.EndPoint);
}
else
{
newClusterDescription = newClusterDescription
.WithServerDescription(newServerDescription);
}
}
UpdateClusterDescription(newClusterDescription);
}
private ClusterDescription RemoveServer(ClusterDescription clusterDescription, EndPoint endPoint, string reason)
{
IClusterableServer server;
var stopwatch = new Stopwatch();
lock (_serversLock)
{
server = _servers.SingleOrDefault(x => EndPointHelper.Equals(x.EndPoint, endPoint));
if (server == null)
{
return(clusterDescription);
}
if (_removingServerEventHandler != null)
{
_removingServerEventHandler(new ClusterRemovingServerEvent(server.ServerId, reason));
}
stopwatch.Start();
_servers.Remove(server);
}
server.DescriptionChanged -= ServerDescriptionChangedHandler;
server.Dispose();
stopwatch.Stop();
if (_removedServerEventHandler != null)
{
_removedServerEventHandler(new ClusterRemovedServerEvent(server.ServerId, reason, stopwatch.Elapsed));
}
return(clusterDescription.WithoutServerDescription(endPoint));
}
private ClusterDescription RemoveServer(ClusterDescription clusterDescription, EndPoint endPoint, string reason)
{
IClusterableServer server;
lock (_serversLock)
{
server = _servers.SingleOrDefault(x => x.EndPoint.Equals(endPoint));
if (server == null)
{
return(clusterDescription);
}
if (Listener != null)
{
Listener.ClusterBeforeRemovingServer(server.ServerId, reason);
}
_servers.Remove(server);
}
var stopwatch = new Stopwatch();
server.DescriptionChanged -= ServerDescriptionChangedHandler;
server.Dispose();
stopwatch.Stop();
if (Listener != null)
{
Listener.ClusterAfterRemovingServer(server.ServerId, reason, stopwatch.Elapsed);
}
return(clusterDescription.WithoutServerDescription(endPoint));
}