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ResumeVMOnHostToolStripMenuItem.cs
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ResumeVMOnHostToolStripMenuItem.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.ComponentModel;
using XenAPI;
using XenAdmin.Network;
namespace XenAdmin.Commands
{
internal class ResumeVMOnHostToolStripMenuItem : VMOperationToolStripMenuItem
{
public ResumeVMOnHostToolStripMenuItem()
: base(new ResumeVMOnHostCommand2(), false, vm_operations.resume_on)
{
}
public ResumeVMOnHostToolStripMenuItem(IMainWindow mainWindow, IEnumerable<SelectedItem> selection, bool inContextMenu)
: base(new ResumeVMOnHostCommand2(mainWindow, selection), inContextMenu, vm_operations.resume_on)
{
}
[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
[Browsable(false)]
public new Command Command
{
get
{
return base.Command;
}
}
private class ResumeVMOnHostCommand2 : Command
{
public ResumeVMOnHostCommand2()
{
}
public ResumeVMOnHostCommand2(IMainWindow mainWindow, IEnumerable<SelectedItem> selection)
: base(mainWindow, selection)
{
}
private bool CanRun(SelectedItem selection)
{
VM vm = selection.XenObject as VM;
if (vm != null && !vm.is_a_template && !vm.Locked)
{
if (vm.allowed_operations != null && vm.allowed_operations.Contains(vm_operations.suspend))
{
return false;
}
if (vm.allowed_operations != null && vm.allowed_operations.Contains(vm_operations.resume) && EnabledTargetExists(selection.HostAncestor, selection.Connection))
{
// CA-19215: "Resume on" option present and enabled for VM on standalone host.
return selection.Connection != null && selection.Connection.Cache.HostCount > 1;
}
}
return false;
}
protected override bool CanRunCore(SelectedItemCollection selection)
{
IXenConnection connection = null;
var atLeastOneCanRun = false;
foreach (var item in selection)
{
if (!(item.XenObject is VM vm))
return false;
// all VMs must be on the same connection
if (connection != null && vm.Connection != connection)
{
return false;
}
connection = vm.Connection;
if (CanRun(item))
{
atLeastOneCanRun = true;
}
}
return atLeastOneCanRun;
}
private static bool EnabledTargetExists(Host host, IXenConnection connection)
{
if (host != null)
return host.enabled;
foreach (Host h in connection.Cache.Hosts)
{
if (h.enabled)
return true;
}
return false;
}
public override string MenuText
{
get
{
return Messages.MAINWINDOW_RESUME_ON_HOST;
}
}
}
}
}