xenadmin/XenAdmin/Commands/ForceVMRebootCommand.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;
using System.Collections.Generic;
using System.Text;
using XenAdmin.Actions;
using System.Drawing;
using XenAdmin.Properties;
using XenAPI;
using XenAdmin.Network;
using System.Windows.Forms;
using XenAdmin.Core;
using System.Collections.ObjectModel;
using XenAdmin.Dialogs;
using XenAdmin.Actions.VMActions;
namespace XenAdmin.Commands
{
/// <summary>
/// Forces the selected VM to reboot. Shows a confirmation dialog.
/// </summary>
internal class ForceVMRebootCommand : VMLifeCycleCommand
{
/// <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 ForceVMRebootCommand()
{
}
public ForceVMRebootCommand(IMainWindow mainWindow, IEnumerable<SelectedItem> selection)
: base(mainWindow, selection)
{
}
public ForceVMRebootCommand(IMainWindow mainWindow, VM vm, Control parent)
: base(mainWindow, vm, parent)
{
}
protected override void Execute(List<VM> vms)
{
CancelAllTasks(vms);
RunAction(vms, Messages.ACTION_VMS_REBOOTING_TITLE, Messages.ACTION_VMS_REBOOTING_TITLE, Messages.ACTION_VM_REBOOTED, null);
}
protected override bool CanExecute(VM vm)
{
if (vm != null && !vm.is_a_template && !vm.Locked)
{
if (vm.power_state == vm_power_state.Running && HelpersGUI.HasRunningTasks(vm))
{
return true;
}
else
{
return vm.allowed_operations != null && vm.allowed_operations.Contains(vm_operations.hard_reboot) && EnabledTargetExists(vm.Home(), vm.Connection);
}
}
return false;
}
private static bool EnabledTargetExists(Host host, IXenConnection connection)
{
//if the vm has a home server check it's enabled
if (host != null)
{
return host.enabled;
}
foreach (Host h in connection.Cache.Hosts)
{
if (h.enabled)
{
return true;
}
}
return false;
}
public override Image MenuImage
{
get
{
return Images.StaticImages._001_ForceReboot_h32bit_16;
}
}
public override Image ToolBarImage
{
get
{
return Images.StaticImages._001_ForceReboot_h32bit_24;
}
}
public override string MenuText
{
get
{
return Messages.MAINWINDOW_FORCE_REBOOT;
}
}
protected override bool ConfirmationRequired
{
get
{
return true;
}
}
protected override string ConfirmationDialogText
{
get
{
bool hasRunningTasks = false;
List<VM> vms = GetSelection().AsXenObjects<VM>();
foreach (VM vm in vms)
{
if (HelpersGUI.HasRunningTasks(vm))
{
hasRunningTasks = true;
break;
}
}
if (vms.Count == 1)
{
return hasRunningTasks ? Messages.CONFIRM_FORCEREBOOT_VM : Messages.CONFIRM_FORCEREBOOT_VM_NO_CANCEL_TASKS;
}
return hasRunningTasks ? Messages.CONFIRM_FORCEREBOOT_VMS : Messages.CONFIRM_FORCEREBOOT_VMS_NO_CANCEL_TASKS;
}
}
protected override string ConfirmationDialogTitle
{
get
{
if (GetSelection().Count == 1)
{
return Messages.CONFIRM_FORCEREBOOT_VM_TITLE;
}
return Messages.CONFIRM_FORCEREBOOT_VMS_TITLE;
}
}
protected override string ConfirmationDialogHelpId
{
get { return "WarningVmLifeCycleForceReboot"; }
}
protected override CommandErrorDialog GetErrorDialogCore(IDictionary<IXenObject, string> cantExecuteReasons)
{
foreach (VM vm in GetSelection().AsXenObjects<VM>())
{
if (!CanExecute(vm) && vm.power_state != vm_power_state.Halted)
{
return new CommandErrorDialog(Messages.ERROR_DIALOG_FORCE_REBOOT_VM_TITLE, Messages.ERROR_DIALOG_FORCE_REBOOT_VM_TEXT, cantExecuteReasons);
}
}
return null;
}
private static bool ShowOnMainToolBarInternal(VM vm)
{
return !vm.allowed_operations.Contains(XenAPI.vm_operations.clean_reboot);
}
public bool ShowOnMainToolBar
{
get
{
return CanExecute() && GetSelection().AllItemsAre<VM>(ShowOnMainToolBarInternal);
}
}
protected override AsyncAction BuildAction(VM vm)
{
return new VMHardReboot(vm);
}
}
}