xenadmin/XenAdmin/Commands/ExportCommand.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.Linq;
using XenAdmin.Core;
using XenAPI;
using XenAdmin.Wizards.ExportWizard;
namespace XenAdmin.Commands
{
class ExportCommand : Command
{
public ExportCommand()
{ }
public ExportCommand(IMainWindow mainWindow, IEnumerable<SelectedItem> selection)
: base(mainWindow, selection)
{ }
public override string MenuText { get { return Messages.MENU_EXPORT; } }
protected override bool CanExecuteCore(SelectedItemCollection selection)
{
Host hostAncestor = selection.HostAncestorFromConnection;
Pool poolAncestor = selection.PooAncestorFromConnection;
if ((poolAncestor != null || hostAncestor != null) //CA-61207: this check ensures there's no cross-pool selection
&& (selection.FirstIs<Pool>() || selection.FirstIs<Host>() || selection.FirstIsRealVM || selection.FirstIs<VM_appliance>()))
{
if (selection.AllItemsAre<VM>())
return selection.AtLeastOneXenObjectCan<VM>(CanExportVm);
if (selection.AllItemsAre<VM_appliance>())
{
if (selection.Count != 1)
return false;
var appliance = ((VM_appliance)selection.FirstAsXenObject);
return appliance.VMs.TrueForAll(vmRef =>
{
var vm = appliance.Connection.Resolve(vmRef);
return vm != null
&& CanExportVm(vm);
});
}
if ((hostAncestor != null && hostAncestor.enabled && hostAncestor.IsLive() && selection[0].Connection.IsConnected)
|| (poolAncestor != null && Helpers.PoolHasEnabledHosts(poolAncestor)))
{
var vms = selection.FirstAsXenObject.Connection.Cache.VMs.Where(vm => vm.is_a_real_vm() && CanExportVm(vm) && vm.Show(Properties.Settings.Default.ShowHiddenVMs)).ToList();
if (vms.Count > 0)
return vms.Any(CanExportVm);
}
}
return false;
}
protected override string GetCantExecuteReasonCore(IXenObject item)
{
VM vm = item as VM;
if (vm != null && vm.power_state != vm_power_state.Halted)
return Messages.SHUTDOWN_BEFORE_EXPORT;
if (item != null && item.Connection != null)
{
var vms = item.Connection.Cache.VMs.Where(xvm =>
xvm.is_a_real_vm() && CanExportVm(xvm) &&
xvm.Show(Properties.Settings.Default.ShowHiddenVMs)).ToList();
if (vms.Count == 0)
return Messages.NO_HALTED_VMS;
}
return string.Empty;
}
protected override void ExecuteCore(SelectedItemCollection selection)
{
var con = selection.GetConnectionOfFirstItem();
MainWindowCommandInterface.ShowPerConnectionWizard(con, new ExportApplianceWizard(con, selection));
}
private bool CanExportVm(VM vm)
{
return !vm.is_a_template && !vm.Locked && vm.allowed_operations != null && vm.allowed_operations.Contains(vm_operations.export);
}
}
}