private void buttonDisableHa_Click(object sender, EventArgs e)
{
if (pool == null)
{
return;
}
if (!pool.ha_enabled)
{
// Start HA wizard
EditHA(pool);
return;
}
if (pool.ha_statefiles.All(sf => pool.Connection.Resolve(new XenRef <VDI>(sf)) == null)) //empty gives true, which is correct
{
using (var dlg = new ThreeButtonDialog(
new ThreeButtonDialog.Details(
SystemIcons.Error,
string.Format(Messages.HA_DISABLE_NO_STATEFILE, Helpers.GetName(pool).Ellipsise(30)),
Messages.DISABLE_HA),
"HADisable",
ThreeButtonDialog.ButtonOK))
{
dlg.ShowDialog(this);
return;
}
}
// Confirm the user wants to disable HA
using (var dlg = new ThreeButtonDialog(
new ThreeButtonDialog.Details(
null,
string.Format(Messages.HA_DISABLE_QUERY, Helpers.GetName(pool).Ellipsise(30)),
Messages.DISABLE_HA),
"HADisable",
ThreeButtonDialog.ButtonYes,
ThreeButtonDialog.ButtonNo))
{
if (dlg.ShowDialog(this) != DialogResult.Yes)
{
return;
}
}
DisableHAAction action = new DisableHAAction(pool);
// We will need to re-enable buttons when the action completes
action.Completed += Program.MainWindow.action_Completed;
action.RunAsync();
}
protected override void ExecuteCore(SelectedItemCollection selection)
{
Pool pool = selection.Count == 1 ? selection[0].PoolAncestor : null;
if (pool == null || !pool.ha_enabled)
{
return;
}
if (pool.ha_statefiles.All(sf => pool.Connection.Resolve(new XenRef <VDI>(sf)) == null)) //empty gives true, which is correct
{
using (var dlg = new ErrorDialog(string.Format(Messages.HA_DISABLE_NO_STATEFILE,
Helpers.GetName(pool).Ellipsise(30)),
ThreeButtonDialog.ButtonOK)
{
WindowTitle = Messages.DISABLE_HA
})
{
dlg.ShowDialog(Parent);
return;
}
}
// Confirm the user wants to disable HA
using (var dlg = new NoIconDialog(string.Format(Messages.HA_DISABLE_QUERY,
Helpers.GetName(pool).Ellipsise(30)),
ThreeButtonDialog.ButtonYes, ThreeButtonDialog.ButtonNo)
{
HelpNameSetter = "HADisable",
WindowTitle = Messages.DISABLE_HA
})
{
if (dlg.ShowDialog(Parent) != DialogResult.Yes)
{
return;
}
}
var action = new DisableHAAction(pool);
// We will need to re-enable buttons when the action completes
action.Completed += Program.MainWindow.action_Completed;
action.RunAsync();
}
private void buttonEnableDisableHa_Click(object sender, EventArgs e)
{
if (pool == null)
{
return;
}
if (!pool.ha_enabled)
{
// Start HA wizard
EditHA(pool);
return;
}
// Offer to disable HA
DialogResult dr;
using (var dlg = new ThreeButtonDialog(
new ThreeButtonDialog.Details(
null,
string.Format(Messages.HA_DISABLE_QUERY, Helpers.GetName(pool).Ellipsise(30)),
Messages.DISABLE_HA),
"HADisable",
ThreeButtonDialog.ButtonYes,
ThreeButtonDialog.ButtonNo))
{
dr = dlg.ShowDialog(this);
}
if (dr != DialogResult.Yes)
{
return;
}
DisableHAAction action = new DisableHAAction(pool);
// We will need to re-enable buttons when the action completes
action.Completed += Program.MainWindow.action_Completed;
action.RunAsync();
Program.MainWindow.UpdateToolbars();
}
/// <summary>
/// Finds the EnableHAAction or DisableHAAction in progress that pertains to the given connection, or null
/// if there is no such action.
/// Must be called on the event thread.
/// </summary>
/// <param name="connection">May not be null.</param>
/// <returns></returns>
internal static AsyncAction FindActiveHaAction(IXenConnection connection)
{
Program.AssertOnEventThread();
foreach (ActionBase action in ConnectionsManager.History)
{
if (action.IsCompleted)
{
continue;
}
EnableHAAction enableAction = action as EnableHAAction;
if (enableAction != null && !enableAction.Cancelled && enableAction.Connection == connection)
{
return(enableAction);
}
DisableHAAction disableAction = action as DisableHAAction;
if (disableAction != null && !disableAction.Cancelled && disableAction.Connection == connection)
{
return(disableAction);
}
}
return(null);
}
