annotate ServerMonitor/Forms/ServerForm.cs @ 39:7645122aa7a9

Get it working under Mono
author Brad Greco <brad@bgreco.net>
date Tue, 09 Jun 2020 20:59:00 -0400
parents 2db36ab759de
children
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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.Data;
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6 using System.Drawing;
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7 using System.Linq;
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8 using System.Threading.Tasks;
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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 /// <summary>Form for adding or editing a server and managing its checks.</summary>
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14 public partial class ServerForm : Form
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15 {
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16 private bool isNewServer;
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17 private bool changedPassword;
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18 private DateTime lastSaveTime;
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19 private ServerMonitor monitor;
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20 private BindingList<CheckResult> logResults, logResultsFiltered;
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21 private CheckStatus[] filteredStatuses;
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22 private readonly Dictionary<int, CheckForm> checkForms = new Dictionary<int, CheckForm>();
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23 private readonly Dictionary<CheckBox, CheckStatus> filterChecks;
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24
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25 /// <summary>The server being edited.</summary>
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26 public Server Server { get; private set; }
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27
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28 /// <summary>The checks currently selected by the user.</summary>
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29 private IEnumerable<Check> SelectedChecks => CheckGrid.SelectedRows.Cast<DataGridViewRow>().Select(r => r.DataBoundItem).Cast<Check>();
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30
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31 /// <summary>The first check currently selected by the user.</summary>
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32 private Check SelectedCheck => SelectedChecks.FirstOrDefault();
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33
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34 /// <summary>ServerForm constructor.</summary>
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35 /// <param name="monitor">The global server monitor object.</param>
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36 /// <param name="server">The server to edit.</param>
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37 /// <param name="isNewServer">Whether an existing server is being edited or a new server is being created.</param>
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38 public ServerForm(ServerMonitor monitor, Server server, bool isNewServer = false)
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39 {
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40 // Set the Server property before calling InitializeComponent().
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41 // Under mono, assigning CheckBindingSource.DataSource = typeof(ServerMonitorApp.Check)
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42 // in the designer causes incorrect check properties to be displayed in the grid
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43 // if the first check in the list is of certain types. To fix this, had to hack the
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44 // designer code and set CheckBindingSource.DataSource directly to the list of
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45 // checks. Doing it after InitializeComponent() is too late for some reason.
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46 // Using the designer will probably cause these changes to be lost...
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47 Server = server;
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48 InitializeComponent();
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49 this.monitor = monitor;
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50 this.isNewServer = isNewServer;
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51 // Associates filter check boxes with their corresponding check statuses.
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52 filterChecks = new Dictionary<CheckBox, CheckStatus>
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53 {
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54 { LogSuccessCheckBox, CheckStatus.Success },
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55 { LogInformationCheckBox, CheckStatus.Information },
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56 { LogWarningCheckBox, CheckStatus.Warning },
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57 { LogErrorCheckBox, CheckStatus.Error },
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58 };
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59 }
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60
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61 private void ServerForm_Load(object sender, EventArgs e)
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62 {
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63 // Bind the Check grid to the server's checks.
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64 CheckBindingSource.DataSource = Server.Checks;
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65 monitor.CheckStatusChanged += Monitor_CheckStatusChanged;
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66 // Deselect the default first row selection.
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67 CheckGrid.ClearSelection();
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68 if (isNewServer)
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69 {
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70 // Set defaults for a new server.
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71 LoginComboBox.SelectedIndex = 0;
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72 Icon = CheckStatus.Success.GetIcon();
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73 }
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74 else
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75 {
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76 // Update inputs with the server information.
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77 SetTitle();
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78 SetIcon();
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79 NameTextBox.Text = Server.Name;
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80 HostTextBox.Text = Server.Host;
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81 EnabledCheckBox.Checked = Server.Enabled;
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82 PortTextBox.Text = Server.Port.ToString();
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83 UsernameTextBox.Text = Server.Username;
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84 PasswordTextBox.Text = "********************";
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85 LoginComboBox.SelectedIndex = (int)Server.LoginType;
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86 KeyTextBox.Text = Server.KeyFile;
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87 changedPassword = false;
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88 }
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89
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90 // After the input controls have been initialized, bind change listeners to them.
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91 BindChangeListeners();
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92 // Resize the images in buttons to fit the button size.
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93 FormatImageButtons();
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94 // Set the Run and Edit buttons to their default state.
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95 UpdateCheckButtons();
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96
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97 // Focus the name text box if it is empty so the user can start typing immediately.
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98 if (NameTextBox.Text == string.Empty)
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99 ActiveControl = NameTextBox;
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100 }
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101
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102 /// <summary>Shows the form.</summary>
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103 /// <param name="activate">Whether the form should be activated. Otherwise, it will be shown minimized.</param>
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104 public void Show(bool activate)
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105 {
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106 if (!activate)
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107 WindowState = FormWindowState.Minimized;
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108 Show();
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109 }
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110
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111 /// <summary>Updates the form when the status of a check changes.</summary>
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112 private void Monitor_CheckStatusChanged(object sender, CheckStatusChangedEventArgs e)
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113 {
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114 // Ignore events for checks that belong to other servers.
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115 if (e.Check.Server != Server)
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116 return;
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117 // Refresh the check display with the updated values.
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118 CheckGrid.Refresh();
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119 SetIcon();
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120 // If there is a result, and the log grid has been initialized, append the log entry.
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121 if (e.CheckResult != null && logResults != null)
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122 {
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123 logResults.Insert(0, e.CheckResult);
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124 // If a filter is applied, also append the log to the filtered list if it matches.
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125 if (logResultsFiltered != null && MatchesFilter(e.CheckResult))
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126 logResultsFiltered.Insert(0, e.CheckResult);
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127 }
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128 }
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129
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130 /// <summary>Updates the server with the current input values.</summary>
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131 /// <param name="forceSave">
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132 /// If true, immediately update the config file on disk.
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133 /// If false, only update the config file if it has not been recently updated.
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134 /// </param>
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135 private void UpdateServer(bool forceSave = true)
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136 {
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137 Server.Name = NameTextBox.Text;
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138 Server.Host = HostTextBox.Text.Trim();
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139 Server.Enabled = EnabledCheckBox.Checked;
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140 Server.Port = int.TryParse(PortTextBox.Text, out int port) ? port : 0;
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141 Server.Username = UsernameTextBox.Text.Trim();
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142 Server.LoginType = (LoginType)LoginComboBox.SelectedIndex;
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143 Server.KeyFile = KeyTextBox.Text.Trim();
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144 if (changedPassword)
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145 Server.Password = PasswordTextBox.Text;
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146
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147 // If a force save is not requested, only save if the last save time is
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148 // old enough so we don't end up writing out the file on every keystroke.
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149 if (forceSave || lastSaveTime < DateTime.Now.AddSeconds(-5))
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150 {
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151 lastSaveTime = DateTime.Now;
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152 monitor.SaveServers();
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153 }
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154 }
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155
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156 /// <summary>Sets the window title and header based on the server name and state.</summary>
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157 private void SetTitle(string title = null)
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158 {
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159 title = (title ?? Server.Name) + (Server.Enabled ? "" : " (disabled)");
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160 Text = title;
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161 TitleLabel.Text = title;
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162 }
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163
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164 /// <summary>Sets the window icon based on the status of the server.</summary>
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165 private void SetIcon()
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166 {
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167 if (Server != null)
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168 Icon = Server.Status.GetIcon();
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169 }
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170
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171 /// <summary>Updates the window title when the server name changes.</summary>
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172 private void NameTextBox_TextChanged(object sender, EventArgs e)
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173 {
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174 SetTitle(NameTextBox.Text);
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175 }
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176
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177 /// <summary>Shows the password or private key controls when the login type changes.</summary>
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178 private void LoginComboBox_SelectedIndexChanged(object sender, EventArgs e)
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179 {
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180 if (LoginComboBox.SelectedIndex == (int)LoginType.PrivateKey)
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181 {
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182 // Show private key controls.
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183 PasswordTextBox.Visible = false;
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184 KeyTextBox.Visible = true;
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185 KeyBrowseButton.Visible = true;
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186 }
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187 else
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188 {
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189 // Show password controls.
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190 PasswordTextBox.Visible = true;
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191 KeyTextBox.Visible = false;
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192 KeyBrowseButton.Visible = false;
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193 }
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194 }
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195
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196 /// <summary>Shows a form to create a new check.</summary>
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197 private void NewCheckButton_Click(object sender, EventArgs e)
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198 {
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199 ShowCheckForm(null);
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200 }
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201
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202 /// <summary>Shows a form to edit the selected check.</summary>
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203 private void EditCheckButton_Click(object sender, EventArgs e)
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204 {
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205 EditSelectedCheck();
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206 }
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207
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208 /// <summary>Executes the selected checks.</summary>
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209 private void RunButton_Click(object sender, EventArgs e)
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210 {
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211 ExecuteChecks(SelectedChecks);
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212 }
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213
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214 /// <summary>Executes all checks for the server.</summary>
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215 private void RunAllButton_Click(object sender, EventArgs e)
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216 {
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217 ExecuteChecks(Server.Checks);
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218 }
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219
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220 /// <summary>Shows a form to create or edit a check.</summary>
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221 /// <param name="check">The check to edit, or null to create a new check.</param>
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222 private void ShowCheckForm(Check check)
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223 {
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224 if (check != null)
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225 {
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226 // Activate the form to edit the check if it is already open.
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227 // Otherwise, open a new form.
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228 if (!checkForms.TryGetValue(check.Id, out CheckForm form))
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229 {
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230 form = new CheckForm(monitor, check);
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231 checkForms[check.Id] = form;
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232 form.FormClosing += CheckForm_FormClosing;
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233 form.Show();
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234 }
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235 else
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236 {
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237 form.Activate();
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238 }
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239 }
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240 else
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241 {
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242 new CheckForm(monitor, Server).Show();
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243 }
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244 }
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245
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246 /// <summary>Shows a form to edit the selected check.</summary>
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247 private void EditSelectedCheck()
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248 {
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249 ShowCheckForm(SelectedCheck);
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250 }
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251
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252 /// <summary>Deletes the selected checks.</summary>
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253 private void DeleteSelectedChecks()
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254 {
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255 // Prompt to delete unless the "Do not ask again" setting has been set.
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256 if (Settings.Default.ConfirmDeleteCheck)
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257 {
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258 string message = "Delete " + (SelectedChecks.Count() == 1 ? "\"" + SelectedCheck.Name + "\"" : "selected checks") + "?";
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259 using (CheckBoxDialog dialog = new CheckBoxDialog { Message = message })
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260 {
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261 DialogResult result = dialog.ShowDialog();
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262 // Save the "Do not ask again" setting only if OK was clicked.
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263 if (dialog.Checked && result == DialogResult.OK)
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264 {
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265 Settings.Default.ConfirmDeleteCheck = false;
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266 Settings.Default.Save();
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267 }
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268 // Do nothing if Cancel was clicked.
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269 if (result != DialogResult.OK)
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270 return;
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271 }
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272 }
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273 // If OK was clicked or no confirmation was shown, delete the checks.
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274 foreach (Check check in SelectedChecks)
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275 Server.DeleteCheck(check);
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276 }
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277
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278 /// <summary>Executes the selected checks.</summary>
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279 private async void ExecuteChecks(IEnumerable<Check> checks)
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280 {
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281 await Task.WhenAll(checks.Select(c => monitor.ExecuteCheckAsync(c)));
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282 }
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283
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284 /// <summary>Shows the execution history for a check.</summary>
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285 /// <param name="check">The check to show execution history for.</param>
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286 public void ShowLog(Check check)
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287 {
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288 // Switch to the Log tab.
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289 CheckTabControl.SelectedTab = LogTabPage;
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290 // Filter the list to only show history for this check.
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291 LogCheckComboBox.SelectedItem = check;
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292 }
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293
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294 /// <summary>Sets the enabled state of buttons based on whether checks are selected.</summary>
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295 private void UpdateCheckButtons()
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296 {
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297 RunAllButton.Enabled = CheckGrid.RowCount > 0;
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298 RunButton.Enabled = DeleteCheckButton.Enabled = CheckGrid.SelectedRows.Count > 0;
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299 EditCheckButton.Enabled = CheckGrid.SelectedRows.Count == 1;
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300 }
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301
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302 /// <summary>Resizes the images in buttons to fit the button size.</summary>
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303 private void FormatImageButtons()
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304 {
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305 Button[] buttons = new Button[] { NewCheckButton, RunAllButton, RunButton, EditCheckButton, DeleteCheckButton };
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306 foreach (Button button in buttons)
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307 Helpers.FormatImageButton(button);
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308 }
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309
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310 /// <summary>Binds change listeners to most input controls.</summary>
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311 private void BindChangeListeners()
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312 {
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313 Server.EnabledChanged += Server_EnabledChanged;
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314 // Update the server with text box values.
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315 foreach (Control control in ServerInfoPanel.Controls.OfType<Control>().Where(c => c is TextBox))
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316 control.TextChanged += (sender, e) => UpdateServer(false);
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317 // Update the server with combo box values.
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318 foreach (Control control in ServerInfoPanel.Controls.OfType<Control>().Where(c => c is ComboBox))
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319 control.TextChanged += (sender, e) => UpdateServer();
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320 // Apply the log filter when the filter checkboxes are changed.
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321 foreach (CheckBox control in LogTabPage.Controls.OfType<CheckBox>())
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322 control.CheckedChanged += FilterChanged;
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323 // Apply the log filter when the check filter combo box changes.
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324 // This is done here instead of in the designer so it doesn't fire too early
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325 // when CheckBindingSource.DataSource is assigned in InitializeComponent().
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326 LogCheckComboBox.SelectedIndexChanged += FilterChanged;
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327 }
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328
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329 /// <summary>Handles the closing of a check form.</summary>
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330 private void CheckForm_FormClosing(object sender, FormClosingEventArgs e)
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331 {
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332 // Remove the form from the list of open forms.
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333 CheckForm form = (CheckForm)sender;
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334 form.FormClosing -= CheckForm_FormClosing;
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335 checkForms.Remove(form.CheckId);
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336 // Refresh the check grid if the check was modified.
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337 if (form.DialogResult == DialogResult.OK)
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338 CheckGrid.Refresh();
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339 }
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340
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341 /// <summary>Updates the state of buttons based on the check selection.</summary>
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342 private void CheckGrid_SelectionChanged(object sender, EventArgs e)
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343 {
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344 UpdateCheckButtons();
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345 }
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346
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347 /// <summary>Sets a flag indicating the password text box contains a real password that should be saved.</summary>
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348 /// <remarks>When the form is loaded, the password text box is populated with literal asterisks, not the saved password.</remarks>
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349 private void PasswordTextBox_TextChanged(object sender, EventArgs e)
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350 {
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351 changedPassword = true;
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352 }
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353
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354 /// <summary>Saves the server when the form is closed.</summary>
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355 private void ServerForm_FormClosing(object sender, FormClosingEventArgs e)
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356 {
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357 UpdateServer();
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358 }
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359
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360 /// <summary>Edits the selected check when it is double clicked.</summary>
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361 private void CheckGrid_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
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362 {
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363 EditSelectedCheck();
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364 }
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365
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366 /// <summary>Edits the selected check when ENTER is pressed.</summary>
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367 private void CheckGrid_KeyDown(object sender, KeyEventArgs e)
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368 {
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369 if (e.KeyCode == Keys.Enter)
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370 {
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371 EditSelectedCheck();
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372 e.Handled = true;
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373 }
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374 }
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375
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376 /// <summary>Deletes the selected checks.</summary>
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377 private void DeleteCheckButton_Click(object sender, EventArgs e)
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378 {
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379 DeleteSelectedChecks();
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380 UpdateServer();
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381 }
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382
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parents: 8
diff changeset
383 /// <summary>Shows an icon next to each check indicating the last execution status.</summary>
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384 private void CheckGrid_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e)
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385 {
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386 if (e.ColumnIndex == StatusColumn.Index)
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387 {
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388 e.Value = ((CheckStatus)e.Value).GetImage();
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389 }
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390 }
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391
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diff changeset
392 /// <summary>Shows an icon next to each log entry indicating its execution status.</summary>
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393 private void LogGrid_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e)
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394 {
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395 if (e.ColumnIndex == LogStatusColumn.Index)
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396 {
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397 e.Value = ((CheckStatus)e.Value).GetImage();
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398 }
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399 }
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400
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parents: 8
diff changeset
401 /// <summary>Refreshes the check filter combo box when the list of checks changes.</summary>
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402 private void CheckBindingSource_ListChanged(object sender, ListChangedEventArgs e)
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403 {
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404 if (Server?.Checks != null)
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405 {
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406 LogCheckComboBox.Items.Clear();
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407 LogCheckComboBox.Items.Add("(All)");
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408 LogCheckComboBox.Items.AddRange(Server.Checks.ToArray());
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409 LogCheckComboBox.SelectedIndex = 0;
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410 }
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411 }
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diff changeset
412
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Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
413 /// <summary>Handles showing the check execution log when the Log tab is selected.</summary>
0
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Brad Greco <brad@bgreco.net>
parents:
diff changeset
414 private void CheckTabControl_SelectedIndexChanged(object sender, EventArgs e)
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
diff changeset
415 {
14
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Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
416 // The results grid is not always used, and so is initialized just in time.
0
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
diff changeset
417 if (logResults == null && CheckTabControl.SelectedTab == LogTabPage)
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
diff changeset
418 {
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
diff changeset
419 logResults = new BindingList<CheckResult>(monitor.GetLog(Server));
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Brad Greco <brad@bgreco.net>
parents:
diff changeset
420 LogGrid.DataSource = logResults;
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Brad Greco <brad@bgreco.net>
parents:
diff changeset
421 }
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
diff changeset
422 }
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Brad Greco <brad@bgreco.net>
parents:
diff changeset
423
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Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
424 /// <summary>Shows a hand cursor over the status column as a hint that it can be clicked to jump to the log.</summary>
0
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
diff changeset
425 private void CheckGrid_CellMouseEnter(object sender, DataGridViewCellEventArgs e)
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Brad Greco <brad@bgreco.net>
parents:
diff changeset
426 {
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
diff changeset
427 if (e.ColumnIndex == StatusColumn.Index)
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Brad Greco <brad@bgreco.net>
parents:
diff changeset
428 CheckGrid.Cursor = Cursors.Hand;
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Brad Greco <brad@bgreco.net>
parents:
diff changeset
429 }
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
diff changeset
430
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Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
431 /// <summary>Restores the cursor to its default when leaving the status column.</summary>
0
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Brad Greco <brad@bgreco.net>
parents:
diff changeset
432 private void CheckGrid_CellMouseLeave(object sender, DataGridViewCellEventArgs e)
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Brad Greco <brad@bgreco.net>
parents:
diff changeset
433 {
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
diff changeset
434 if (e.ColumnIndex == StatusColumn.Index)
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Brad Greco <brad@bgreco.net>
parents:
diff changeset
435 CheckGrid.Cursor = Cursors.Default;
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Brad Greco <brad@bgreco.net>
parents:
diff changeset
436 }
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
diff changeset
437
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Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
438 /// <summary>Jumps to the check log when the status icon is clicked.</summary>
0
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Brad Greco <brad@bgreco.net>
parents:
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439 private void CheckGrid_CellClick(object sender, DataGridViewCellEventArgs e)
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Brad Greco <brad@bgreco.net>
parents:
diff changeset
440 {
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Brad Greco <brad@bgreco.net>
parents:
diff changeset
441 if (e.ColumnIndex == StatusColumn.Index)
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Brad Greco <brad@bgreco.net>
parents:
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442 ShowLog((Check)CheckBindingSource[e.RowIndex]);
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Brad Greco <brad@bgreco.net>
parents:
diff changeset
443 }
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Brad Greco <brad@bgreco.net>
parents:
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444
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Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
445 /// <summary>Enables or disables a check when the enable column is clicked.</summary>
0
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Brad Greco <brad@bgreco.net>
parents:
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446 private void CheckGrid_CellContentClick(object sender, DataGridViewCellEventArgs e)
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Brad Greco <brad@bgreco.net>
parents:
diff changeset
447 {
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
diff changeset
448 // The status column is set to read-only, and updates are manually done here.
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
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449 // Otherwise, the change doesn't take effect until the cell loses focus.
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
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450 if (e.ColumnIndex == EnabledColumn.Index)
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Brad Greco <brad@bgreco.net>
parents:
diff changeset
451 {
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
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452 Check check = (Check)CheckBindingSource[e.RowIndex];
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Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
453 check.Enabled = !(bool)CheckGrid.Rows[e.RowIndex].Cells[e.ColumnIndex].Value;
0
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Brad Greco <brad@bgreco.net>
parents:
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454 Server.UpdateCheck(check);
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Brad Greco <brad@bgreco.net>
parents:
diff changeset
455 }
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
diff changeset
456 }
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
diff changeset
457
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Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
458 /// <summary>Refreshes the log when a log filter control is changed.</summary>
0
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
diff changeset
459 private void FilterChanged(object sender, EventArgs e)
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
diff changeset
460 {
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Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
461 // Determine which check statuses to show.
0
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Brad Greco <brad@bgreco.net>
parents:
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462 filteredStatuses = filterChecks.Where(fc => fc.Key.Checked).Select(fc => fc.Value).ToArray();
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
diff changeset
463 if (filteredStatuses.Length == filterChecks.Count && LogCheckComboBox.SelectedIndex == 0) {
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2db36ab759de Add comments.
Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
464 // If all statuses are shown and no check is selected, show all log entries.
0
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Brad Greco <brad@bgreco.net>
parents:
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465 LogGrid.DataSource = logResults;
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Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
466 // Unset the filtered list so it can be garbage collected.
0
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Brad Greco <brad@bgreco.net>
parents:
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467 logResultsFiltered = null;
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Brad Greco <brad@bgreco.net>
parents:
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468 }
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
diff changeset
469 else
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Brad Greco <brad@bgreco.net>
parents:
diff changeset
470 {
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2db36ab759de Add comments.
Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
471 // If any filter is applied, create and display a new list with the filtered log entries.
0
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
diff changeset
472 logResultsFiltered = new BindingList<CheckResult>(logResults.Where(result => MatchesFilter(result)).ToList());
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
diff changeset
473 LogGrid.DataSource = logResultsFiltered;
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
diff changeset
474 }
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
diff changeset
475 }
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Brad Greco <brad@bgreco.net>
parents:
diff changeset
476
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Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
477 /// <summary>Stops the taskbar button flashing when the window receives focus.</summary>
4
3142e52cbe69 Lots more progress
Brad Greco <brad@bgreco.net>
parents: 0
diff changeset
478 private void ServerForm_Activated(object sender, EventArgs e)
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Brad Greco <brad@bgreco.net>
parents: 0
diff changeset
479 {
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Brad Greco <brad@bgreco.net>
parents: 0
diff changeset
480 Win32Helpers.StopFlashWindowEx(this);
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Brad Greco <brad@bgreco.net>
parents: 0
diff changeset
481 }
3142e52cbe69 Lots more progress
Brad Greco <brad@bgreco.net>
parents: 0
diff changeset
482
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2db36ab759de Add comments.
Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
483 /// <summary>Opens a file browser to select a private key file.</summary>
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Brad Greco <brad@bgreco.net>
parents: 0
diff changeset
484 private void KeyBrowseButton_Click(object sender, EventArgs e)
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Brad Greco <brad@bgreco.net>
parents: 0
diff changeset
485 {
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Brad Greco <brad@bgreco.net>
parents: 0
diff changeset
486 OpenFileDialog dialog = new OpenFileDialog() { Title = "Select private key file" };
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Brad Greco <brad@bgreco.net>
parents: 0
diff changeset
487 if (dialog.ShowDialog() == DialogResult.OK)
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Brad Greco <brad@bgreco.net>
parents: 0
diff changeset
488 {
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Brad Greco <brad@bgreco.net>
parents: 0
diff changeset
489 KeyTextBox.Text = dialog.FileName;
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Brad Greco <brad@bgreco.net>
parents: 0
diff changeset
490 UpdateServer();
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Brad Greco <brad@bgreco.net>
parents: 0
diff changeset
491 }
3142e52cbe69 Lots more progress
Brad Greco <brad@bgreco.net>
parents: 0
diff changeset
492 }
3142e52cbe69 Lots more progress
Brad Greco <brad@bgreco.net>
parents: 0
diff changeset
493
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2db36ab759de Add comments.
Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
494 /// <summary>Tests whether a log entry matches the active filter.</summary>
2db36ab759de Add comments.
Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
495 /// <param name="result">The log entry to test agains the active filter.</param>
0
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Brad Greco <brad@bgreco.net>
parents:
diff changeset
496 private bool MatchesFilter(CheckResult result)
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Brad Greco <brad@bgreco.net>
parents:
diff changeset
497 {
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Brad Greco <brad@bgreco.net>
parents:
diff changeset
498 return filteredStatuses.Contains(result.CheckStatus) && (LogCheckComboBox.SelectedIndex == 0 || LogCheckComboBox.SelectedItem == result.Check);
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
diff changeset
499 }
5
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
500
14
2db36ab759de Add comments.
Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
501 /// <summary>Attempts to open the private key when the private key textbox loses focus.</summary>
5
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
502 private void KeyTextBox_Leave(object sender, EventArgs e)
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Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
503 {
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
504 OpenPrivateKey(monitor, Server, this);
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
505 }
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
506
14
2db36ab759de Add comments.
Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
507 /// <summary>Attempts to open the private key, collecting a password if necessary, and displays a message if it cannot be opened.</summary>
2db36ab759de Add comments.
Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
508 /// <param name="monitor">The global server monitor object.</param>
2db36ab759de Add comments.
Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
509 /// <param name="server">The server associated with the keyfile to open.</param>
2db36ab759de Add comments.
Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
510 /// <param name="owner">The window to use as the owner for password and message boxes.</param>
5
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
511 public static void OpenPrivateKey(ServerMonitor monitor, Server server, IWin32Window owner)
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
512 {
14
2db36ab759de Add comments.
Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
513 // Nothing to do if the server does not use a private key or one has not been set up yet.
8
052aa62cb42a Single instance. Add autorun option. Add icons. General enhancements.
Brad Greco <brad@bgreco.net>
parents: 5
diff changeset
514 if (server.LoginType != LoginType.PrivateKey || server.KeyFile.IsNullOrEmpty())
5
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
515 return;
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
516
14
2db36ab759de Add comments.
Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
517 // Attempt to open the keyfile.
5
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
518 KeyStatus keyStatus = monitor.OpenPrivateKey(server.KeyFile);
14
2db36ab759de Add comments.
Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
519 // If the key is encrypted and has not been opened yet, ask for the password.
5
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
520 if (keyStatus == KeyStatus.NeedPassword)
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
521 {
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
522 string message = "Private key password for " + server.Name + ":";
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
523 Icon icon = SystemIcons.Question;
14
2db36ab759de Add comments.
Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
524 // Attempt to open the keyfile until the correct password is entered or Cancel is clicked.
5
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
525 while (keyStatus != KeyStatus.Open)
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
526 {
14
2db36ab759de Add comments.
Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
527 // Collect the password.
5
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
528 string password = InputDialog.ShowDialog(message, icon, owner);
14
2db36ab759de Add comments.
Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
529 // Stop asking if Cancel was clicked.
5
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
530 if (password == null)
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
531 return;
14
2db36ab759de Add comments.
Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
532 // Try to open the key using the collected password.
5
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
533 keyStatus = monitor.OpenPrivateKey(server.KeyFile, password);
14
2db36ab759de Add comments.
Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
534 // If the password was incorrect, try again with a message saying so.
5
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
535 if (keyStatus == KeyStatus.NeedPassword)
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
536 {
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
537 message = "Incorrect private key password for " + server.Name + ", please try again:";
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
538 icon = SystemIcons.Error;
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
539 }
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
540 }
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
541 }
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
542 else if (keyStatus == KeyStatus.NotAccessible)
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
543 {
14
2db36ab759de Add comments.
Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
544 // If the private key is not accessible, there is nothing we can do but let the user know.
5
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
545 MessageBox.Show("The private key file " + server.KeyFile + " is not accessible or does not exist.", "Cannot open private key", MessageBoxButtons.OK, MessageBoxIcon.Error);
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
546 }
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
547 }
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
548
14
2db36ab759de Add comments.
Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
549 /// <summary>Enables or disables the server when the Enabled box is clicked.</summary>
8
052aa62cb42a Single instance. Add autorun option. Add icons. General enhancements.
Brad Greco <brad@bgreco.net>
parents: 5
diff changeset
550 private void EnabledCheckBox_Click(object sender, EventArgs e)
052aa62cb42a Single instance. Add autorun option. Add icons. General enhancements.
Brad Greco <brad@bgreco.net>
parents: 5
diff changeset
551 {
052aa62cb42a Single instance. Add autorun option. Add icons. General enhancements.
Brad Greco <brad@bgreco.net>
parents: 5
diff changeset
552 bool enabled = EnabledCheckBox.Checked;
14
2db36ab759de Add comments.
Brad Greco <brad@bgreco.net>
parents: 8
diff changeset
553 // The private key may not be open yet when enabling a server, so do that now.
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052aa62cb42a Single instance. Add autorun option. Add icons. General enhancements.
Brad Greco <brad@bgreco.net>
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554 if (enabled)
052aa62cb42a Single instance. Add autorun option. Add icons. General enhancements.
Brad Greco <brad@bgreco.net>
parents: 5
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555 OpenPrivateKey(monitor, Server, this);
052aa62cb42a Single instance. Add autorun option. Add icons. General enhancements.
Brad Greco <brad@bgreco.net>
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556 Server.Enabled = enabled;
052aa62cb42a Single instance. Add autorun option. Add icons. General enhancements.
Brad Greco <brad@bgreco.net>
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557 EnabledCheckBox.Checked = Server.Enabled;
052aa62cb42a Single instance. Add autorun option. Add icons. General enhancements.
Brad Greco <brad@bgreco.net>
parents: 5
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558 }
052aa62cb42a Single instance. Add autorun option. Add icons. General enhancements.
Brad Greco <brad@bgreco.net>
parents: 5
diff changeset
559
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2db36ab759de Add comments.
Brad Greco <brad@bgreco.net>
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560 /// <summary>Updates the title and enabled check box when the server is enabled or disabled.</summary>
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b6fe203af9d5 Private key passwords and validation
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parents: 4
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561 private void Server_EnabledChanged(object sender, EventArgs e)
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
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562 {
b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
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563 SetTitle();
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2db36ab759de Add comments.
Brad Greco <brad@bgreco.net>
parents: 8
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564 // The server can also be enabled or disabled from the main server
2db36ab759de Add comments.
Brad Greco <brad@bgreco.net>
parents: 8
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565 // summary form, so update the checkbox when that happens.
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052aa62cb42a Single instance. Add autorun option. Add icons. General enhancements.
Brad Greco <brad@bgreco.net>
parents: 5
diff changeset
566 EnabledCheckBox.Checked = Server.Enabled;
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b6fe203af9d5 Private key passwords and validation
Brad Greco <brad@bgreco.net>
parents: 4
diff changeset
567 }
0
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
diff changeset
568 }
3e1a2131f897 Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
Brad Greco <brad@bgreco.net>
parents:
diff changeset
569 }