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5f75c0dd74
even when automatic mode was supported for them. The problem was that the xenserver versions were not retrieved from the DownloadUpdatesXmlAction once the latter had run. Also, minor refactoring. Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>
310 lines
13 KiB
C#
310 lines
13 KiB
C#
/* 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.Linq;
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using XenAPI;
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using System.IO;
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using System.Xml;
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using XenAdmin.Core;
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using System.Diagnostics;
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namespace XenAdmin.Actions
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{
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public class DownloadUpdatesXmlAction : AsyncAction
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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 const string XenCenterVersionsNode = "xencenterversions";
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private const string XenServerVersionsNode = "serverversions";
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private const string PatchesNode = "patches";
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private const string ConflictingPatchesNode = "conflictingpatches";
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private const string RequiredPatchesNode = "requiredpatches";
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private const string ConflictingPatchNode = "conflictingpatch";
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private const string RequiredPatchNode = "requiredpatch";
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public List<XenCenterVersion> XenCenterVersions { get; private set; }
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public List<XenServerVersion> XenServerVersions { get; private set; }
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public List<XenServerPatch> XenServerPatches { get; private set; }
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public List<XenServerVersion> XenServerVersionsForAutoCheck
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{
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get
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{
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if(_checkForServerVersion)
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{
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return XenServerVersions;
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}
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return new List<XenServerVersion>();
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}
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}
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private readonly bool _checkForXenCenter;
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private readonly bool _checkForServerVersion;
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private readonly bool _checkForPatches;
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private readonly string _checkForUpdatesUrl;
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public DownloadUpdatesXmlAction(bool checkForXenCenter, bool checkForServerVersion, bool checkForPatches, string checkForUpdatesUrl = null)
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: base(null, "_get_updates", "_get_updates", true)
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{
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Debug.Assert(checkForUpdatesUrl != null, "Parameter checkForUpdatesUrl should not be null. This class does not default its value anymore.");
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XenServerPatches = new List<XenServerPatch>();
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XenServerVersions = new List<XenServerVersion>();
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XenCenterVersions = new List<XenCenterVersion>();
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_checkForXenCenter = checkForXenCenter;
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_checkForServerVersion = checkForServerVersion;
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_checkForPatches = checkForPatches;
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_checkForUpdatesUrl = checkForUpdatesUrl;
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}
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protected override void Run()
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{
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this.Description = Messages.AVAILABLE_UPDATES_SEARCHING;
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XmlDocument xdoc = FetchCheckForUpdatesXml(_checkForUpdatesUrl);
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GetXenCenterVersions(xdoc);
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GetXenServerPatches(xdoc);
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GetXenServerVersions(xdoc);
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}
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private void GetXenCenterVersions(XmlDocument xdoc)
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{
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if (!_checkForXenCenter)
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return;
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foreach (XmlNode versions in xdoc.GetElementsByTagName(XenCenterVersionsNode))
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{
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foreach (XmlNode version in versions.ChildNodes)
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{
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string version_lang = "";
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string name = "";
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bool is_latest = false;
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string url = "";
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string timestamp = "";
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foreach (XmlAttribute attrib in version.Attributes)
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{
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if (attrib.Name == "value")
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version_lang = attrib.Value;
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else if (attrib.Name == "name")
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name = attrib.Value;
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else if (attrib.Name == "latest")
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is_latest = attrib.Value.ToUpperInvariant() == bool.TrueString.ToUpperInvariant();
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else if (attrib.Name == "url")
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url = attrib.Value;
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else if (attrib.Name == "timestamp")
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timestamp = attrib.Value;
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}
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XenCenterVersions.Add(new XenCenterVersion(version_lang, name, is_latest, url, timestamp));
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}
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}
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}
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private void GetXenServerPatches(XmlDocument xdoc)
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{
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if (!_checkForPatches)
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return;
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foreach (XmlNode versions in xdoc.GetElementsByTagName(PatchesNode))
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{
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foreach (XmlNode version in versions.ChildNodes)
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{
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string uuid = "";
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string name = "";
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string description = "";
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string guidance = "";
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string guidance_mandatory = "";
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string patchVersion = "";
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string url = "";
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string patchUrl = "";
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string timestamp = "";
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string priority = "";
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string installationSize = "";
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foreach (XmlAttribute attrib in version.Attributes)
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{
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if (attrib.Name == "uuid")
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uuid = attrib.Value;
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else if (attrib.Name == "name-label")
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name = attrib.Value;
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else if (attrib.Name == "name-description")
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description = attrib.Value;
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else if (attrib.Name == "after-apply-guidance")
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guidance = attrib.Value;
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else if (attrib.Name == "guidance-mandatory")
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guidance_mandatory = attrib.Value;
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else if (attrib.Name == "version")
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patchVersion = attrib.Value;
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else if (attrib.Name == "url")
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url = attrib.Value;
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else if (attrib.Name == "patch-url")
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patchUrl = attrib.Value;
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else if (attrib.Name == "timestamp")
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timestamp = attrib.Value;
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else if (attrib.Name == "priority")
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priority = attrib.Value;
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else if (attrib.Name == "installation-size")
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installationSize = attrib.Value;
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}
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var conflictingPatches = GetPatchDependencies(version, ConflictingPatchesNode, ConflictingPatchNode);
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var requiredPatches = GetPatchDependencies(version, RequiredPatchesNode, RequiredPatchNode);
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XenServerPatches.Add(new XenServerPatch(uuid, name, description, guidance, guidance_mandatory, patchVersion, url,
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patchUrl, timestamp, priority, installationSize, conflictingPatches, requiredPatches));
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}
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}
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}
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// dependencies patches are listed in the xml as below:
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// <conflictingpatches>
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// <conflictingpatch uuid="00000000-0000-0000-0000-000000000000">
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// </conflictingpatch>
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// </conflictingpatches>
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// <requiredpatches>
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// <requiredgpatch uuid="00000000-0000-0000-0000-000000000000">
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// </requiredgpatch>
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// </requiredpatches>
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private static List<string> GetPatchDependencies(XmlNode patchsNode, string dependenciesNodeName, string dependencyNodeName)
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{
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var dependenciesNode = patchsNode.ChildNodes.Cast<XmlNode>().FirstOrDefault(childNode => childNode.Name == dependenciesNodeName);
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if (dependenciesNode == null)
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return null;
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var dependencies = new List<string>();
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dependencies.AddRange(from XmlNode node in dependenciesNode.ChildNodes
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where node.Attributes != null
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from XmlAttribute attrib in node.Attributes
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where node.Name == dependencyNodeName && node.Attributes != null && attrib.Name == "uuid"
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select attrib.Value);
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return dependencies;
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}
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private void GetXenServerVersions(XmlDocument xdoc)
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{
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if (!_checkForServerVersion && !_checkForPatches)
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return;
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foreach (XmlNode versions in xdoc.GetElementsByTagName(XenServerVersionsNode))
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{
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foreach (XmlNode version in versions.ChildNodes)
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{
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string version_oem = "";
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string name = "";
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bool is_latest = false;
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string url = "";
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string timestamp = "";
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string buildNumber = "";
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foreach (XmlAttribute attrib in version.Attributes)
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{
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if (attrib.Name == "value")
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version_oem = attrib.Value;
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else if (attrib.Name == "name")
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name = attrib.Value;
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else if (attrib.Name == "latest")
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is_latest = attrib.Value.ToUpperInvariant() == bool.TrueString.ToUpperInvariant();
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else if (attrib.Name == "url")
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url = attrib.Value;
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else if (attrib.Name == "timestamp")
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timestamp = attrib.Value;
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else if (attrib.Name == "build-number")
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buildNumber = attrib.Value;
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}
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List<XenServerPatch> patches = new List<XenServerPatch>();
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List<XenServerPatch> minimalPatches = null; //keep it null to indicate that there is no a minimalpatches tag
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foreach (XmlNode childnode in version.ChildNodes)
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{
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if (childnode.Name == "minimalpatches")
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{
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minimalPatches = new List<XenServerPatch>();
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foreach (XmlNode minimalpatch in childnode.ChildNodes)
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{
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if (minimalpatch.Name != "patch")
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continue;
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XenServerPatch mp = XenServerPatches.Find(p => string.Equals(p.Uuid, minimalpatch.Attributes["uuid"].Value, StringComparison.OrdinalIgnoreCase));
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if (mp == null)
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continue;
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minimalPatches.Add(mp);
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}
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}
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if (childnode.Name == "patch")
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{
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XenServerPatch patch = XenServerPatches.Find(item => string.Equals(item.Uuid, childnode.Attributes["uuid"].Value, StringComparison.OrdinalIgnoreCase));
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if (patch == null)
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continue;
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patches.Add(patch);
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}
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}
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XenServerVersions.Add(new XenServerVersion(version_oem, name, is_latest, url, patches, minimalPatches, timestamp,
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buildNumber));
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}
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}
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}
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protected virtual XmlDocument FetchCheckForUpdatesXml(string location)
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{
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var xdoc = new XmlDocument();
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var uri = new Uri(location);
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if (uri.IsFile)
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{
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xdoc.Load(location);
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}
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else
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{
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using (Stream xmlstream = HTTPHelper.GET(new Uri(location), Connection, false, true))
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{
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xdoc = Helpers.LoadXmlDocument(xmlstream);
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}
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}
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return xdoc;
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}
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}
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}
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