xenadmin/XenModel/Actions/VM/ChangeVCPUSettingsAction.cs
Mihaela Stoica dabe77e0d0 CA-223374: Fix typo
Signed-off-by: Mihaela Stoica <mihaela.stoica@citrix.com>
2016-10-12 12:53:30 +01:00

80 lines
3.4 KiB
C#

/* 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 XenAPI;
namespace XenAdmin.Actions
{
public class ChangeVCPUSettingsAction : PureAsyncAction
{
private long m_VCPUs_max;
private long m_VCPUs_at_startup;
private VM m_VM;
public ChangeVCPUSettingsAction(VM vm, long VCPUs_max, long VCPUs_at_startup)
: base(vm.Connection, "", true)
{
m_VM = vm;
m_VCPUs_max = VCPUs_max;
m_VCPUs_at_startup = VCPUs_at_startup;
}
protected override void Run()
{
// get the VM from the cache again, to check its vCPU fields before trying to change them
m_VM = Connection.Resolve(new XenRef<VM>(m_VM.opaque_ref));
if (m_VM == null) // VM has disappeared
return;
if (m_VM.power_state == vm_power_state.Running) // if the VM is running, we can only change the vCPUs number, not the max.
{
if (m_VM.VCPUs_at_startup > m_VCPUs_at_startup) // reducing VCPU_at_startup is not allowed for live VMs
{
throw new Exception(string.Format(Messages.VM_VCPU_CANNOT_UNPLUG_LIVE, m_VM.VCPUs_at_startup));
}
VM.set_VCPUs_number_live(Session, m_VM.opaque_ref, m_VCPUs_at_startup);
return;
}
if (m_VM.VCPUs_at_startup > m_VCPUs_at_startup) // reducing VCPUs_at_startup: we need to change this value first, and then the VCPUs_max
{
VM.set_VCPUs_at_startup(Session, m_VM.opaque_ref, m_VCPUs_at_startup);
VM.set_VCPUs_max(Session, m_VM.opaque_ref, m_VCPUs_max);
}
else // increasing VCPUs_at_startup: we need to change the VCPUs_max first
{
VM.set_VCPUs_max(Session, m_VM.opaque_ref, m_VCPUs_max);
VM.set_VCPUs_at_startup(Session, m_VM.opaque_ref, m_VCPUs_at_startup);
}
}
}
}