xenadmin/XenAdmin/Commands/RebootHostCommand.cs

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/* Copyright (c) Citrix Systems, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms,
* with or without modification, are permitted provided
* that the following conditions are met:
*
* * Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Windows.Forms;
using XenAdmin.Actions;
using XenAdmin.Properties;
using XenAPI;
using XenAdmin.Dialogs;
namespace XenAdmin.Commands
{
/// <summary>
/// Reboots the selected host. Shows a confirmation dialog.
/// </summary>
internal class RebootHostCommand : Command
{
/// <summary>
/// Initializes a new instance of this Command. The parameter-less constructor is required if
/// this Command is to be attached to a ToolStrip menu item or button. It should not be used in any other scenario.
/// </summary>
public RebootHostCommand()
{
}
public RebootHostCommand(IMainWindow mainWindow, IEnumerable<SelectedItem> selection)
: base(mainWindow, selection)
{
}
public RebootHostCommand(IMainWindow mainWindow, Host host, Control parent)
: base(mainWindow, host)
{
SetParent(parent);
}
protected override void ExecuteCore(SelectedItemCollection selection)
{
List<AsyncAction> actions = new List<AsyncAction>();
foreach (Host host in selection.AsXenObjects<Host>(CanExecute))
{
MainWindowCommandInterface.CloseActiveWizards(host.Connection);
RebootHostAction action = new RebootHostAction( host,AddHostToPoolCommand.NtolDialog);
action.Completed += s => MainWindowCommandInterface.RequestRefreshTreeView();
actions.Add(action);
}
RunMultipleActions(actions, null, Messages.ACTION_HOSTS_REBOOTING, Messages.ACTION_HOSTS_REBOOTED, true);
}
private static bool CanExecute(Host host)
{
return host != null && host.IsLive;
}
protected override bool CanExecuteCore(SelectedItemCollection selection)
{
if (!selection.AllItemsAre<Host>())
{
return false;
}
foreach (SelectedItem item in selection)
{
if (CanExecute((Host)item.XenObject))
{
return true;
}
}
return false;
}
public override Image MenuImage
{
get
{
return Images.StaticImages._001_Reboot_h32bit_16;
}
}
public override string MenuText
{
get
{
return Messages.MAINWINDOW_REBOOT;
}
}
protected override string ConfirmationDialogText
{
get
{
List<Host> hosts = GetSelection().AsXenObjects<Host>();
bool hasRunningVMs = false;
var hciHosts = new List<Host>();
foreach (Host h in hosts)
{
if (h.HasRunningVMs)
hasRunningVMs = true;
if (h.Connection.ResolveAll(h.resident_VMs).Exists(v => v.HciWarnBeforeShutdown))
hciHosts.Add(h);
}
if (hciHosts.Count > 0)
return hciHosts.Count == 1
? string.Format(Messages.CONFIRM_REBOOT_HCI_WARN_SERVER, hciHosts[0].Name)
: string.Format(Messages.CONFIRM_REBOOT_HCI_WARN_SERVERS, string.Join("\n", hciHosts.Select(h => h.Name)));
if (hasRunningVMs)
return hosts.Count == 1
? string.Format(Messages.CONFIRM_REBOOT_SERVER, hosts[0].Name)
: Messages.CONFIRM_REBOOT_SERVERS;
return hosts.Count == 1
? string.Format(Messages.CONFIRM_REBOOT_SERVER_NO_VMS, hosts[0].Name)
: Messages.CONFIRM_REBOOT_SERVERS_NO_VMS;
}
}
protected override bool ConfirmationRequired
{
get
{
return true;
}
}
protected override string ConfirmationDialogTitle
{
get
{
SelectedItemCollection selection = GetSelection();
if (selection.Count == 1)
{
return Messages.CONFIRM_REBOOT_SERVER_TITLE;
}
return Messages.CONFIRM_REBOOT_SERVERS_TITLE;
}
}
protected override CommandErrorDialog GetErrorDialogCore(IDictionary<SelectedItem, string> cantExecuteReasons)
{
foreach (Host host in GetSelection().AsXenObjects<Host>())
{
if (!CanExecute(host) && host.IsLive)
{
return new CommandErrorDialog(Messages.ERROR_DIALOG_FORCE_REBOOT_VM_TITLE, Messages.ERROR_DIALOG_FORCE_REBOOT_VM_TEXT, cantExecuteReasons);
}
}
return null;
}
protected override string GetCantExecuteReasonCore(SelectedItem item)
{
Host host = item.XenObject as Host;
if (host == null)
{
return base.GetCantExecuteReasonCore(item);
}
if (!host.IsLive)
{
return Messages.HOST_NOT_LIVE;
}
return base.GetCantExecuteReasonCore(item);
}
public override string ContextMenuText
{
get
{
return Messages.MAINWINDOW_REBOOT_HOST_CONTEXT_MENU;
}
}
protected override string ConfirmationDialogYesButtonLabel
{
get
{
return Messages.CONFIRM_REBOOT_SERVER_YES_BUTTON_LABEL;
}
}
protected override bool ConfirmationDialogNoButtonSelected
{
get
{
return true;
}
}
}
}