xenadmin/XenAdmin/Wizards/NewSRWizard_Pages/SrWizardHelpers.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 System.Collections.Generic;
using XenAPI;
using System.Text.RegularExpressions;
using XenAdmin.Network;
using System.Linq;
namespace XenAdmin.Wizards.NewSRWizard_Pages
{
public class SrWizardHelpers
{
public static bool ValidateNfsSharename(String sharename)
{
Regex re = new Regex(@"^[^/:*?<>|\\]+:/[^:*?<>|\\]+$"); // make sure we match server:/share/folder
return re.IsMatch(sharename);
}
public static bool ValidateCifsSharename(String sharename)
{
Regex re = new Regex(@"^\\(\\[^\/:*?<>|\\]+\\{0,1})+$");
return re.IsMatch(sharename);
}
/// <summary>
/// Determines if an SR is already in use by checking all the SRs known to the GUI and comparing
/// uuids. Obviously only best-effort, since an SR may be in use by a disconnected host.
/// </summary>
/// <param name="uuid">The uuid of the SR to compare against.</param>
/// <returns>The XenObject SR taht corresponds to this uuid, null otherwise</returns>
public static SR SrInUse(String uuid)
{
// SR can now exist on multiple connections
// make sure you return the one that isn't detached first;
foreach (IXenConnection connection in ConnectionsManager.XenConnectionsCopy)
foreach (SR sr in connection.Cache.SRs)
if (sr.uuid == uuid && sr.HasPBDs())
return sr;
foreach (IXenConnection connection in ConnectionsManager.XenConnectionsCopy)
foreach (SR sr in connection.Cache.SRs)
if (sr.uuid == uuid)
return sr;
return null;
}
private static bool NameExists(String potentialName, IEnumerable<string> names)
{
if (names != null)
return names.Any(name => name.Equals(potentialName));
return false;
}
public static String DefaultSRName(String potentialName, IEnumerable<string> names)
{
if (!NameExists(potentialName, names))
return potentialName;
int i = 0;
while (true)
{
i++;
String name = string.Format(Messages.NEWVM_DEFAULTNAME, potentialName, i);
if (!NameExists(name, names))
return name;
}
}
public static String DefaultSRName(String potentialName, IXenConnection connection)
{
return DefaultSRName(potentialName, connection.Cache.SRs.Select(sr => sr.Name()));
}
public static String GetEntry(Dictionary<String, String> dconf, String Key, String Default)
{
if (dconf.ContainsKey(Key))
return dconf[Key];
return Default;
}
}
}