mirror of
https://github.com/xcp-ng/xenadmin.git
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a375c8a119
* CP-25081: Set platform parameters. * Optimize qemu-upstream handling code. * Support Enter/Esc keyboard handling in AttachUsbDialog. * Fix a logic error in showing qemu-upstream warning. * Update bindings from REQ-158 XenServer build 129.
322 lines
11 KiB
C#
322 lines
11 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, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1) Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2) Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections;
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using System.Collections.Generic;
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namespace XenAPI
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{
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public static partial class Helper
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{
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public const string NullOpaqueRef = "OpaqueRef:NULL";
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/// <summary>
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/// Test to see if two objects are equal. If the objects implement ICollection, then we will
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/// call AreCollectionsEqual to compare elements within the collection.
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/// </summary>
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public static bool AreEqual(object o1, object o2)
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{
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if (o1 == null && o2 == null)
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return true;
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if (o1 == null || o2 == null)
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return false;
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if (o1 is IDictionary)
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return AreDictEqual((IDictionary)o1, (IDictionary)o2);
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if (o1 is System.Collections.ICollection)
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return AreCollectionsEqual((ICollection)o1, (ICollection)o2);
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return o1.Equals(o2);
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}
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/// <summary>
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/// Test to see if two objects are equal. Different from AreEqual in that this function
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/// considers an empty Collection and null to be equal.
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/// </summary>
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public static bool AreEqual2<T>(T o1, T o2)
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{
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if (o1 == null && o2 == null)
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return true;
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if (o1 == null || o2 == null)
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return o1 == null && IsEmptyCollection(o2) || o2 == null && IsEmptyCollection(o1);
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if (typeof(T) is IDictionary)
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return AreDictEqual((IDictionary)o1, (IDictionary)o2);
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if (typeof(T) is System.Collections.ICollection)
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return AreCollectionsEqual((ICollection)o1, (ICollection)o2);
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return o1.Equals(o2);
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}
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private static bool IsEmptyCollection(object obj)
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{
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ICollection collection = obj as ICollection;
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return collection != null && collection.Count == 0;
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}
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/// <summary>
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/// Test to see if two dictionaries are equal. This dictionary comparison method places a call to AreEqual
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/// for underlying objects.
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/// </summary>
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private static bool AreDictEqual(IDictionary d1, IDictionary d2)
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{
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if (d1.Count != d2.Count)
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return false;
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foreach (object k in d1.Keys)
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{
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if (!d2.Contains(k) || !AreEqual(d2[k], d1[k]))
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return false;
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}
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return true;
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}
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/// <summary>
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/// Test to see if two collections are equal. The collections are equal if they have the same elements,
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/// in the same order, and quantity. Elements are equal if their values are equal.
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/// </summary>
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private static bool AreCollectionsEqual(ICollection c1, ICollection c2)
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{
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if (c1.Count != c2.Count)
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return false;
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IEnumerator c1Enum = c1.GetEnumerator();
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IEnumerator c2Enum = c2.GetEnumerator();
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while (c1Enum.MoveNext() && c2Enum.MoveNext())
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{
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if (!AreEqual(c1Enum.Current, c2Enum.Current))
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return false;
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}
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return true;
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}
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public static bool DictEquals<K, V>(Dictionary<K, V> d1,
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Dictionary<K, V> d2)
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{
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if (d1 == null && d2 == null)
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return true;
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if (d1 == null || d2 == null)
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return false;
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if (d1.Count != d2.Count)
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return false;
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foreach (K k in d1.Keys)
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{
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if (!d2.ContainsKey(k) || !EqualOrEquallyNull(d2[k], d1[k]))
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return false;
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}
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return true;
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}
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internal static bool EqualOrEquallyNull(object o1, object o2)
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{
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return o1 == null ? o2 == null : o1.Equals(o2);
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}
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/// <summary>
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///
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="opaqueRefs">Must not be null.</param>
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/// <returns></returns>
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internal static string[] RefListToStringArray<T>(List<XenRef<T>> opaqueRefs) where T : XenObject<T>
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{
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string[] result = new string[opaqueRefs.Count];
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int i = 0;
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foreach (XenRef<T> opaqueRef in opaqueRefs)
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result[i++] = opaqueRef.opaque_ref;
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return result;
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}
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public static bool IsNullOrEmptyOpaqueRef(string opaqueRef)
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{
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return string.IsNullOrEmpty(opaqueRef) || (string.Compare(opaqueRef, NullOpaqueRef, true) == 0);
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}
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/// <summary>
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/// Converts a List of objects into a string array by calling the ToString() method of each list element.
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="list">Must not be null. Must not contain null. May contain no elements.</param>
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/// <returns></returns>
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internal static string[] ObjectListToStringArray<T>(List<T> list)
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{
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string[] result = new string[list.Count];
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int i = 0;
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foreach (T t in list)
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result[i++] = t.ToString();
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return result;
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}
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/// <summary>
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/// Parses an array of strings into a List of members of the given enum T.
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="input">Must not be null. Must not contain null. May have Length zero.</param>
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/// <returns></returns>
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internal static List<T> StringArrayToEnumList<T>(string[] input)
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{
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List<T> result = new List<T>();
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foreach (string s in input)
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{
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try
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{
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result.Add((T)Enum.Parse(typeof(T), s));
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}
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catch (ArgumentException)
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{
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}
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}
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return result;
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}
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/// <summary>
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/// Parses an array of strings into an Array of longs
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/// </summary>
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/// <param name="input">Must not be null. Must not contain null. May have Length zero.</param>
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/// <returns></returns>
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internal static long[] StringArrayToLongArray(string[] input)
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{
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long[] result = new long[input.Length];
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for(int i=0; i<input.Length; i++)
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{
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try
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{
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result[i]=long.Parse(input[i]);
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}
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catch (ArgumentException)
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{
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}
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}
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return result;
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}
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/// <summary>
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/// Parses an array of longs into an Array of strings
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/// </summary>
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/// <param name="input">Must not be null. Must not contain null. May have Length zero.</param>
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/// <returns></returns>
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internal static string[] LongArrayToStringArray(long[] input)
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{
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string[] result = new string[input.Length];
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for(int i=0; i<input.Length; i++)
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{
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try
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{
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result[i]=input[i].ToString();
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}
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catch (ArgumentException)
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{
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}
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}
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return result;
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}
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/// <summary>
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/// Parses an array of objects into a List of members of the given enum T by first calling ToString() on each array element.
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="input">Must not be null. Must not contain null. May have Length zero.</param>
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/// <returns></returns>
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internal static List<T> ObjectArrayToEnumList<T>(object[] input)
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{
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List<T> result = new List<T>();
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foreach (object o in input)
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{
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try
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{
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result.Add((T)Enum.Parse(typeof(T), o.ToString()));
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}
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catch (ArgumentException)
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{
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}
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}
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return result;
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}
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internal static List<Message> Proxy_MessageArrayToMessageList(Proxy_Message[] input)
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{
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List<Message> result = new List<Message>();
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foreach (Proxy_Message pm in input)
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{
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result.Add(new Message(pm));
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}
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return result;
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}
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internal static List<Data_source> Proxy_Data_sourceArrayToData_sourceList(Proxy_Data_source[] input)
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{
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List<Data_source> result = new List<Data_source>();
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foreach (Proxy_Data_source pd in input)
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{
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result.Add(new Data_source(pd));
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}
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return result;
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}
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internal static List<Vdi_nbd_server_info> Proxy_Vdi_nbd_server_infoArrayToVdi_nbd_server_infoList(Proxy_Vdi_nbd_server_info[] input)
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{
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List<Vdi_nbd_server_info> result = new List<Vdi_nbd_server_info>();
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foreach (Proxy_Vdi_nbd_server_info pd in input)
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{
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result.Add(new Vdi_nbd_server_info(pd));
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}
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return result;
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}
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internal static Object EnumParseDefault(Type t, string s)
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{
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try
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{
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return Enum.Parse(t, s == null ? null : s.Replace('-','_'));
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}
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catch (ArgumentException)
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{
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try
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{
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return Enum.Parse(t, "unknown");
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}
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catch (ArgumentException)
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{
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try
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{
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return Enum.Parse(t, "Unknown");
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}
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catch (ArgumentException)
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{
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return 0;
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}
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}
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}
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}
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}
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}
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