public void SetXenObjects(IXenObject[] objects)
{
InvokeHelper.AssertOnEventThread();
// The QueryPanel can trigger this too often (sometimes more than once when we switch to it).
// So we do a preliminary check of whether any changes will be needed to the data structures.
// Without this, we wipe out the stats, and can sometimes then display them before they've been
// repopulated. This check used to be at the end of this function, just before _hosts = hosts,
// but it's cheaper to do it up front, at the expense of some code duplication.
if (!AnyNewObjects(objects))
{
return;
}
var hosts = new ConcurrentDictionary <Host, HostMetric>();
// Create HostMetric's for all the hosts
foreach (IXenObject obj in objects)
{
Host host = obj as Host;
if (host != null)
{
hosts[host] = new HostMetric();
}
}
// Create VmMetric's for all the VMs, and put them under their hosts, indexed by uuid
foreach (IXenObject obj in objects)
{
VM vm = obj as VM;
if (vm != null)
{
Host host = GetHost(vm);
if (host != null)
{
var hm = hosts.GetOrAdd(host, new HostMetric());
string uuid = Helpers.GetUuid(vm);
hm.VMs[uuid] = new VmMetric();
}
}
}
lock (_hostsLock)
{
_hosts = hosts;
}
_skip_sleep = true;
lock (_sleepMonitor)
Monitor.PulseAll(_sleepMonitor);
}
private static void RemoveObject(IXenObject ixmo)
{
InvokeHelper.AssertOnEventThread();
XenRef <Folder> path = new XenRef <Folder>(ixmo.Path);
Folder folder = ixmo.Connection.Resolve(path);
if (folder != null)
{
folder.RemoveObject(ixmo);
PotentiallyRemoveFolder(folder);
}
}
private static void UpdateDockerContainer(VM vm)
{
InvokeHelper.AssertOnEventThread();
if (vm == null)
{
return;
}
IXenConnection connection = vm.Connection;
var dockerVMs = GetDockerVMs(vm);
connection.Cache.UpdateDockerContainersForVM(dockerVMs, vm);
}
private static void UpdateEmptyFolders(IXenConnection connection)
{
InvokeHelper.AssertOnEventThread();
String[] emptyFolders = GetEmptyFolders(connection);
Folder root = connection.Resolve(new XenRef <Folder>(PATH_SEPARATOR));
if (root != null)
{
PurgeEmptyFolders(emptyFolders, root);
}
foreach (String path in emptyFolders)
{
GetOrCreateFolder(connection, path);
}
}