xenadmin/XenAdmin/Wizards/ImportWizard/OVFStorageResource.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 XenAdmin.Wizards.GenericPages;
using XenAPI;
using XenOvf;
using XenOvf.Definitions;
namespace XenAdmin.Wizards.ImportWizard
{
public class OvfStorageResourceContainer : StorageResourceContainer
{
private readonly RASD_Type[] rasdArray;
private readonly EnvelopeType selectedOvfEnvelope;
private int currentLoc;
public OvfStorageResourceContainer( EnvelopeType selectedOvfEnvelope, string sysId)
{
rasdArray = OVF.FindDiskRasds(selectedOvfEnvelope, sysId);
this.selectedOvfEnvelope = selectedOvfEnvelope;
}
public override IStorageResource Next()
{
IStorageResource res = new OvfStorageResource(rasdArray[currentLoc], selectedOvfEnvelope);
currentLoc++;
return res;
}
public override bool IsNext
{
get { return currentLoc < rasdArray.Length; }
}
}
public class OvfStorageResource : IStorageResource
{
private readonly RASD_Type rasd;
private readonly EnvelopeType envelope;
private readonly File_Type file ;
public OvfStorageResource(RASD_Type type, EnvelopeType envelopeType)
{
rasd = type;
envelope = envelopeType;
file = OVF.FindFileReferenceByRASD(envelope, rasd);
}
public string DiskLabel
{
get
{
return rasd.ElementName == null ? null : rasd.ElementName.Value;
}
}
public object Tag
{
get
{
return rasd.InstanceID == null ? null : rasd.InstanceID.Value;
}
}
public bool SRTypeInvalid
{
get
{
ushort rasdtype = rasd.ResourceType.Value;
return (rasdtype == 15 || rasdtype == 16);
}
}
public SR SR => null;
public bool TryCalcRequiredDiskCapacity(out ulong capacity)
{
capacity = 0;
if (file == null)
return false;
VirtualDiskDesc_Type disk = OVF.FindDiskReference(envelope, rasd);
capacity = disk != null && !string.IsNullOrEmpty(disk.capacity)
? Convert.ToUInt64(OVF.ComputeCapacity(Convert.ToInt64(disk.capacity), disk.capacityAllocationUnits))
: file.size;
return true;
}
}
}