Mercurial > servermonitor

annotate ServerMonitor/Helpers.cs @ 4:3142e52cbe69

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Lots more progress
author Brad Greco <brad@bgreco.net>
date Sun, 10 Feb 2019 20:51:26 -0500
parents 453ecc1ed9ea
children b6fe203af9d5
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1 using ServerMonitorApp.Properties;
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2 using System;
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3 using System.Collections.Generic;
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4 using System.ComponentModel;
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5 using System.Drawing;
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6 using System.Linq;
4
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7 using System.Net.NetworkInformation;
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8 using System.Text;
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9 using System.Windows.Forms;
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10
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11 namespace ServerMonitorApp
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12 {
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13 static class Helpers
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14 {
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15 public static void FormatImageButton(Button button)
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16 {
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17 button.Image = new Bitmap(button.Image, button.Height - 8, button.Height - 8);
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18 }
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19
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20 public static string GetAllMessages(this Exception ex)
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21 {
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22 return "\t" + (ex.InnerException == null ? ex.Message : ex.Message + Environment.NewLine + ex.InnerException.GetAllMessages());
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23 }
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24
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25 public static string GetDisplayName(Type type)
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26 {
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27 return type?.GetAttribute<DisplayNameAttribute>()?.DisplayName ?? type?.Name ?? "null";
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28 }
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29
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30 public static bool IsNullOrEmpty(this string aString)
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31 {
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32 return aString == null || aString.Trim() == string.Empty;
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33 }
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34
2
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35 public static string ConvertNewlines(this string aString)
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36 {
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37 return aString.Replace("\r\n", "\n").Replace('\r', '\n');
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38 }
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39
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40 public static T GetAttribute<T>(this Type type) where T : Attribute
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41 {
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42 return type.GetCustomAttributes(typeof(T), false).SingleOrDefault() as T;
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43 }
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44
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45 public static Image GetIcon(this CheckStatus checkStatus)
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46 {
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47 switch (checkStatus)
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48 {
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49 case CheckStatus.Error: return Resources.error;
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50 case CheckStatus.Warning: return Resources.warning;
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51 case CheckStatus.Information: return Resources.info;
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52 case CheckStatus.Success: return Resources.pass;
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53 case CheckStatus.Running: return Resources.run;
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54 case CheckStatus.Disabled: return Resources.disable;
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55 default: return null;
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56 }
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57 }
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58
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59 public static bool In(this Enum value, params Enum[] values) {
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60 return values.Contains(value);
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61 }
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62
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63 // https://stackoverflow.com/a/8345173
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64 /// <summary>
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65 /// Indicates whether any network connection is available.
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66 /// Filter connections below a specified speed, as well as virtual network cards.
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67 /// </summary>
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68 /// <returns>
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69 /// <c>true</c> if a network connection is available; otherwise, <c>false</c>.
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70 /// </returns>
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71 public static bool IsNetworkAvailable()
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72 {
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73 if (!NetworkInterface.GetIsNetworkAvailable())
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74 return false;
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75
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76 foreach (NetworkInterface ni in NetworkInterface.GetAllNetworkInterfaces())
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77 {
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78 // discard because of standard reasons
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79 if ((ni.OperationalStatus != OperationalStatus.Up) ||
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80 (ni.NetworkInterfaceType == NetworkInterfaceType.Loopback) ||
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81 (ni.NetworkInterfaceType == NetworkInterfaceType.Tunnel))
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82 continue;
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83
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84 // discard virtual cards (virtual box, virtual pc, etc.)
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85 if ((ni.Description.IndexOf("virtual", StringComparison.OrdinalIgnoreCase) >= 0) ||
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86 (ni.Name.IndexOf("virtual", StringComparison.OrdinalIgnoreCase) >= 0))
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87 continue;
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88
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89 // discard "Microsoft Loopback Adapter", it will not show as NetworkInterfaceType.Loopback but as Ethernet Card.
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90 if (ni.Description.Equals("Microsoft Loopback Adapter", StringComparison.OrdinalIgnoreCase))
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91 continue;
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92
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93 return true;
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94 }
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95 return false;
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96 }
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97 }
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98 }