mirror of
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425 lines
16 KiB
C#
425 lines
16 KiB
C#
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/* Copyright (c) Citrix Systems Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* * Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Xml;
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using XenAdmin.Core;
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using XenAdmin.Network;
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using XenAPI;
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using XenAdmin.Network.StorageLink;
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using System.Threading;
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namespace XenAdmin.Actions
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{
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/// <summary>
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/// Performs a scan of a CSLG server for storage systems.
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/// </summary>
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public class SrCslgStorageSystemScanAction : SrCslgScanAction
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{
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private static readonly log4net.ILog Log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
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private ReadOnlyCollection<CslgSystemStorage> _cslgSystemStorages;
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public StorageLinkConnection StorageLinkConnection { get; private set; }
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private List<StorageLinkConnection> _SLConnections;
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private System.ComponentModel.ISynchronizeInvoke _invoker;
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private string _adapterid;
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/// <summary>
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/// Initializes a new instance of the <see cref="SrCslgStorageSystemScanAction"/> class.
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/// </summary>
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/// <param name="connection">The connection.</param>
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/// <param name="hostname">The hostname.</param>
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/// <param name="username">The username.</param>
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/// <param name="passwordSecret">The password secret.</param>
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public SrCslgStorageSystemScanAction(System.ComponentModel.ISynchronizeInvoke invoker, IXenConnection connection, List<StorageLinkConnection> storageLinkConnections, string hostname, string username, string passwordSecret)
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: base(connection, hostname, username, passwordSecret)
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{
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_SLConnections = storageLinkConnections;
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_invoker = invoker;
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}
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/// <summary>
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/// Boston or greater constructor
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/// </summary>
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/// <param name="connection"></param>
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public SrCslgStorageSystemScanAction(IXenConnection connection, string adapterid, string target, string user, string password)
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: base(connection, target, user, password)
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{
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if (!Helpers.BostonOrGreater(connection))
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throw new ArgumentException(@"Invalid connection, it has to be a boston or greater connection", connection.Name);
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_adapterid = adapterid;
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}
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/// <summary>
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/// Gets the CSLG system storages. Returns null before the action has been run.
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/// </summary>
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/// <value>The CSLG system storages.</value>
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public ReadOnlyCollection<CslgSystemStorage> CslgSystemStorages
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{
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get
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{
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return _cslgSystemStorages;
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}
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}
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/// <summary>
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/// Runs this instance.
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/// </summary>
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protected override void Run()
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{
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Dictionary<String, String> dconf = GetAuthenticationDeviceConfig();
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Log.DebugFormat("Attempting to find SRs on CSLG {0}.", dconf["target"]);
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if (Connection != null && Helpers.MidnightRideOrGreater(Connection) && !Helpers.CowleyOrGreater(Connection))
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{
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RunProbe(dconf);
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_cslgSystemStorages = new ReadOnlyCollection<CslgSystemStorage>(ParseStorageSystemsXml(Util.GetContentsOfValueNode(Result)));
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}
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else if (Connection != null && Helpers.BostonOrGreater(Connection))
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{
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dconf["adapterid"] = _adapterid;
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RunProbe(dconf);
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if (!string.IsNullOrEmpty(Result))
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_cslgSystemStorages = new ReadOnlyCollection<CslgSystemStorage>(ParseStorageSystemsXml(Util.GetContentsOfValueNode(Result)));
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}
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else
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{
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bool created = false;
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if (Connection != null)
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{
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// There will be no connection if a storagelink-object is selected in the tree.
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string secretRef = Secret.get_by_uuid(Connection.Session, dconf["password_secret"]);
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string password = Secret.get_value(Connection.Session, secretRef);
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StorageLinkConnection = _SLConnections.Find(c => c.Host == dconf["target"] && c.Username == dconf["username"] && c.Password == password);
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if (StorageLinkConnection == null)
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{
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// the user has clicked the "test connection" button in the properties dialog then
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// the storagelink connection won't exist in the Program.StorageLinkConnections collection.
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StorageLinkConnection = new StorageLinkConnection(_invoker, dconf["target"], dconf["username"], password);
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StorageLinkConnection.BeginConnect();
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created = true;
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}
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}
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else
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{
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StorageLinkConnection = _SLConnections.Find(c => c.Host == dconf["target"] && c.Username == dconf["username"]);
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}
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try
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{
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var list = new List<CslgSystemStorage>();
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// wait for storagelink connection to finish populating
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for (int i = 0; i < 600 && StorageLinkConnection.ConnectionState == StorageLinkConnectionState.Connecting; i++)
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{
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Thread.Sleep(100);
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}
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if (!string.IsNullOrEmpty(StorageLinkConnection.Error))
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{
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throw new InvalidOperationException(StorageLinkConnection.Error);
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}
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if (StorageLinkConnection.ConnectionState != StorageLinkConnectionState.Connected)
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{
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throw new InvalidOperationException(string.Format(Messages.STORAGELINK_UNABLE_TO_CONNECT, dconf["target"]));
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}
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foreach (StorageLinkSystem s in StorageLinkConnection.Cache.StorageSystems)
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{
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var provisioningOptions = new List<CslgParameter> { new CslgParameter(null, Messages.NEWSR_CSLG_NONE) };
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if ((s.Capabilities & StorageLinkEnums.StorageSystemCapabilities.POOL_LEVEL_DEDUPLICATION) != 0)
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{
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provisioningOptions.Add(new CslgParameter("DEDUP", Messages.NEWSR_CSLG_DEDUPLICATION));
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}
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var protocols = new List<CslgParameter> { new CslgParameter(null, Messages.NEWSR_CSLG_AUTO) };
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if ((s.Capabilities & StorageLinkEnums.StorageSystemCapabilities.ISCSI) != 0)
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{
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protocols.Add(new CslgParameter("ISCSI", Messages.NEWSR_CSLG_ISCSI));
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}
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if ((s.Capabilities & StorageLinkEnums.StorageSystemCapabilities.FIBRE_CHANNEL) != 0)
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{
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protocols.Add(new CslgParameter("FC", Messages.NEWSR_CSLG_FC));
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}
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list.Add(new CslgSystemStorage(s.ToString(), s.StorageSystemId, protocols, provisioningOptions, false, s));
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}
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_cslgSystemStorages = new ReadOnlyCollection<CslgSystemStorage>(list);
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}
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finally
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{
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if (created)
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{
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StorageLinkConnection.EndConnect();
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}
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}
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}
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}
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private List<CslgSystemStorage> ParseStorageSystemsXml(String xml)
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{
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List<CslgSystemStorage> output = new List<CslgSystemStorage>();
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XmlDocument doc = new XmlDocument();
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doc.LoadXml(xml);
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foreach (XmlNode storageSystemInfo in doc.GetElementsByTagName("csl__storageSystemInfo"))
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{
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string displayName = GetXmlNodeInnerText(storageSystemInfo, "displayName");
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string storageSystemId = GetXmlNodeInnerText(storageSystemInfo, "storageSystemId");
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List<CslgParameter> protocols = new List<CslgParameter>();
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protocols.Add(new CslgParameter(null, Messages.NEWSR_CSLG_AUTO));
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List<CslgParameter> provisioningOptions = new List<CslgParameter>();
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provisioningOptions.Add(new CslgParameter(null, Messages.NEWSR_CSLG_NONE));
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bool supportsCHAP = false;
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foreach (string innerText in GetXmlChildNodeInnerTexts(storageSystemInfo, "systemCapabilities/capabilities"))
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{
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if (innerText == "DEDUPLICATION")
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{
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provisioningOptions.Add(new CslgParameter(innerText, Messages.NEWSR_CSLG_DEDUPLICATION));
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}
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if (innerText == "SUPPORTS_CHAP")
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{
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supportsCHAP = true;
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}
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}
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foreach (string innerText in GetXmlChildNodeInnerTexts(storageSystemInfo, "protocolSupport/capabilities"))
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{
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if (innerText == "ISCSI")
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{
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protocols.Add(new CslgParameter(innerText, Messages.NEWSR_CSLG_ISCSI));
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}
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else if (innerText == "FC")
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{
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protocols.Add(new CslgParameter(innerText, Messages.NEWSR_CSLG_FC));
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}
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}
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output.Add(new CslgSystemStorage(displayName, storageSystemId, protocols, provisioningOptions,
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supportsCHAP, null));
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}
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return output;
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}
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}
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#region CslgSystemStorage class
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/// <summary>
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/// Represents a System Storage from a CSLG server.
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/// </summary>
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public class CslgSystemStorage
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{
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private readonly string _displayName;
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private readonly string _storageSystemId;
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private readonly ReadOnlyCollection<CslgParameter> _protocols;
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private readonly ReadOnlyCollection<CslgParameter> _provisioningOptions;
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private readonly bool _supportsCHAP;
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public StorageLinkSystem StorageLinkSystem { get; private set; }
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/// <summary>
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/// Initializes a new instance of the <see cref="CslgSystemStorage"/> class.
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/// </summary>
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/// <param name="displayName">The display name.</param>
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/// <param name="storageSystemId">The storage system id.</param>
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/// <param name="protocols">The available protocols.</param>
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/// <param name="provisioningOptions">The available provisioning options.</param>
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/// <param name="supportsCHAP">Indicates whether CHAP is supported.</param>
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public CslgSystemStorage(string displayName, string storageSystemId, IEnumerable<CslgParameter> protocols,
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IEnumerable<CslgParameter> provisioningOptions, bool supportsCHAP,
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StorageLinkSystem storageLinkSystem)
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{
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Util.ThrowIfStringParameterNullOrEmpty(displayName, "displayName");
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Util.ThrowIfStringParameterNullOrEmpty(storageSystemId, "storageSystemId");
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Util.ThrowIfParameterNull(protocols, "protocols");
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Util.ThrowIfParameterNull(protocols, "provisioningOptions");
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_displayName = displayName;
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_storageSystemId = storageSystemId;
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_protocols = new ReadOnlyCollection<CslgParameter>(new List<CslgParameter>(protocols));
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_provisioningOptions = new ReadOnlyCollection<CslgParameter>(new List<CslgParameter>(provisioningOptions));
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_supportsCHAP = supportsCHAP;
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StorageLinkSystem = storageLinkSystem;
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}
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/// <summary>
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/// Gets the display name.
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/// </summary>
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/// <value>The display name.</value>
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public string DisplayName
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{
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get
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{
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return _displayName;
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}
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}
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/// <summary>
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/// Gets the available protocols.
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/// </summary>
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/// <value>The available protocols.</value>
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public ReadOnlyCollection<CslgParameter> Protocols
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{
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get
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{
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return _protocols;
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}
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}
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/// <summary>
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/// Gets the storage system id.
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/// </summary>
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/// <value>The storage system id.</value>
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public string StorageSystemId
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{
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get
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{
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return _storageSystemId;
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}
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}
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public override string ToString()
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{
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return DisplayName;
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}
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/// <summary>
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/// Gets the available provisioning options.
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/// </summary>
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/// <value>The available provisioning options.</value>
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public ReadOnlyCollection<CslgParameter> ProvisioningOptions
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{
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get
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{
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return _provisioningOptions;
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}
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}
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/// <summary>
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/// Gets supports CHAP value.
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/// </summary>
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/// <value>Indicates whether CHAP is supported.</value>
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public bool SupportsCHAP
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{
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get
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{
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return _supportsCHAP;
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}
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}
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public override bool Equals(object obj)
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{
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|
var other = obj as CslgSystemStorage;
|
|||
|
|
return other != null && other.StorageSystemId == StorageSystemId;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override int GetHashCode()
|
|||
|
|
{
|
|||
|
|
return StorageSystemId.GetHashCode();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
#region CslgParameter class
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Represents a parameter required to configure CSLG storage repository which has a string value and string display-name for that value.
|
|||
|
|
/// </summary>
|
|||
|
|
public class CslgParameter
|
|||
|
|
{
|
|||
|
|
private readonly string _name;
|
|||
|
|
private readonly string _displayName;
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Initializes a new instance of the <see cref="CslgParameter"/> class.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="name">The name.</param>
|
|||
|
|
/// <param name="displayName">The display name.</param>
|
|||
|
|
public CslgParameter(string name, string displayName)
|
|||
|
|
{
|
|||
|
|
Util.ThrowIfStringParameterNullOrEmpty(displayName, "displayName");
|
|||
|
|
|
|||
|
|
_name = name;
|
|||
|
|
_displayName = displayName;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the name.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The name.</value>
|
|||
|
|
public string Name
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
return _name;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the display name.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The display name.</value>
|
|||
|
|
public string DisplayName
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
return _displayName;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string ToString()
|
|||
|
|
{
|
|||
|
|
return _displayName;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
}
|