private void OnTopologyChange(object sender, XElement topologychangedXElement)
{
if (Topology != null)
{
var newTopology = topologychangedXElement.ToZoneGroups();
var noUpdateNeeded = newTopology.Any(nz => Topology.Any(oz => oz.Id == nz.Id));
if (noUpdateNeeded)
{
return;
}
}
_topology = topologychangedXElement;
_storage.Save(Tokens.ZoneGroupTopology, _topology);
_messageBus.Send(new EventArgs(), Message.TopologyChanged);
var query = topologychangedXElement.GetTopologyCoordinators();
// if we have no coordinator or the coordinator isnt present in the new topology update the coordinator
if (CurrentCoordinator == null || query.SingleOrDefault(x => x.Uuid == CurrentCoordinator.Uuid) == null)
{
if (query.Any())
{
var activeZoneMember = query.First();
// for now just take the first found.
var z = Zones.FirstOrDefault(x => x.ZoneName == activeZoneMember.Title);
CurrentCoordinator = new ZonePlayer(z);
}
}
if (_pollTask == null)
{
_pollTask = Poll();
}
}
