private bool GetManagementInterfaceIPChanged(PIF oldManagement, PIF newManagement)
{
if (oldManagement == null || newManagement == null)
{
throw new Failure(Failure.INTERNAL_ERROR, "Management interface is null.");
}
if (oldManagement.ip_configuration_mode == ip_configuration_mode.DHCP)
{
if (newManagement.ip_configuration_mode == ip_configuration_mode.DHCP)
{
return(!oldManagement.Equals(newManagement));
}
if (newManagement.ip_configuration_mode == ip_configuration_mode.Static)
{
return(IPAddressSettingsChanged(oldManagement, newManagement));
}
}
else if (oldManagement.ip_configuration_mode == ip_configuration_mode.Static)
{
if (newManagement.ip_configuration_mode == ip_configuration_mode.Static)
{
return(IPAddressSettingsChanged(oldManagement, newManagement));
}
if (newManagement.ip_configuration_mode == ip_configuration_mode.DHCP)
{
return(true);
}
}
throw new Failure(Failure.INTERNAL_ERROR, "Unexpected IP configuration mode.");
}
private void AcceptBtn_Click(object sender, EventArgs e)
{
var newPIFs = new List <PifTuple>();
var newNamePIFs = new List <PifTuple>();
List <PIF> downPIFs = new List <PIF>();
foreach (PIF pif in AllPIFs)
{
if (pif.IsManagementInterface(XenAdmin.Properties.Settings.Default.ShowHiddenVMs))
{
downPIFs.Add(pif);
}
}
try
{
foreach (NetworkingPropertiesPage page in verticalTabs.Items)
{
CollateChanges(page, page.Tag as PIF, newPIFs, newNamePIFs);
}
}
catch (Failure)
{
using (var dlg = new WarningDialog(Messages.NETWORK_RECONFIG_CONNECTION_LOST))
dlg.ShowDialog(this);
this.Close();
return;
}
bool displayWarning = false;
bool managementInterfaceIPChanged = false;
PIF down_management = downPIFs.Find(p => p.management);
PIF new_management = newPIFs.Select(p => p.Item1).FirstOrDefault(p => p.management);
if (down_management != null)
{
if (new_management == null)
{
throw new Failure(Failure.INTERNAL_ERROR, "Bringing down the management interface without bringing another one up is impossible!");
}
managementInterfaceIPChanged = GetManagementInterfaceIPChanged(down_management, new_management);
displayWarning = managementInterfaceIPChanged ||
(down_management.uuid != new_management.uuid ||
down_management.ip_configuration_mode != new_management.ip_configuration_mode);
if (down_management.Equals(new_management))
{
// Management interface has not changed
down_management = null;
}
}
// Any PIFs that are in downPIFs but also in newPIFs need to be removed from the former.
// downPIFs should contain all those that we no longer want to keep up.
downPIFs.RemoveAll(p => newPIFs.Any(np => np.Item1.uuid == p.uuid));
// Remove any PIFs that haven't changed -- there's nothing to do for these ones. They are in this
// list originally so that they can be used as a filter against downPIFs.
newPIFs.RemoveAll(p => !p.Item2);
newNamePIFs.RemoveAll(p => !p.Item2);
if (newNamePIFs.Count > 0)
{
new SetSecondaryManagementPurposeAction(connection, Pool, newNamePIFs.Select(p => p.Item1).ToList()).RunAsync();
}
if (newPIFs.Count > 0 || downPIFs.Count > 0)
{
if (displayWarning)
{
string title = Pool == null ? Messages.NETWORKING_PROPERTIES_WARNING_CHANGING_MANAGEMENT_HOST
: Messages.NETWORKING_PROPERTIES_WARNING_CHANGING_MANAGEMENT_POOL;
DialogResult dialogResult;
using (var dlg = new WarningDialog(title,
new ThreeButtonDialog.TBDButton(Messages.NETWORKING_PROPERTIES_CHANGING_MANAGEMENT_CONTINUE, DialogResult.OK),
ThreeButtonDialog.ButtonCancel)
{
HelpName = "NetworkingPropertiesPMIWarning"
})
{
dialogResult = dlg.ShowDialog(this);
}
if (DialogResult.OK != dialogResult)
{
DialogResult = DialogResult.None;
return;
}
}
if (down_management == null)
{
// We're actually just changing the IP address, not moving the management interface, so we just pass it in through newPIFs.
new_management = null;
}
else
{
// We're switching the management interface over, so remove the old one from downPIFs -- it will be special-cased through
// down_management and new_management.
downPIFs.Remove(down_management);
}
// Reverse the lists so that the management interface is always last to be done. If something's going to go wrong, then we'd like
// the management interface to be the one that we don't break.
newPIFs.Reverse();
downPIFs.Reverse();
new ChangeNetworkingAction(connection, Pool, Host, newPIFs.Select(p => p.Item1).ToList(), downPIFs,
new_management, down_management, managementInterfaceIPChanged).RunAsync();
}
Close();
}
