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xenadmin/XenModel/Actions/SR/SrShareAction.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.Network;
using XenAPI;
namespace XenAdmin.Actions
{
/// <summary>
/// Turns an unshared SR into a shared SR.
/// </summary>
public class SrShareAction : SrRepairAction
{
private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
public SrShareAction(IXenConnection connection, SR sr)
: base(connection, sr,true)
{
}
protected override void Run()
{
try
{
Description = string.Format(Messages.SR_SHARE_SETTING, SR.Name);
XenAPI.SR.set_shared(Session, SR.opaque_ref, true);
base.Run();
}
catch
{
rollback();
throw;
}
}
/// <summary>
/// Destroys any PBDs on the SR and sets the SR to be unshared.
///
/// No throw.
/// </summary>
private void rollback()
{
try
{
Description = string.Format(Messages.SR_SHARE_REVERTING2, SR.Name);
foreach (PBD broke in Connection.ResolveAll(SR.PBDs))
{
if (!broke.currently_attached && !broke.Locked)
PBD.destroy(Session, broke.opaque_ref);
}
XenAPI.SR.set_shared(Session, SR.opaque_ref, false);
Description = string.Format(Messages.SR_SHARE_REVERTED, SR.Name);
}
catch (Exception e)
{
log.Error("Exception rolling back SR shared action");
log.Error(e,e);
}
}
}
}