1 | unit UFormMain;
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2 |
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3 | {$mode delphi}{$H+}
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4 |
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5 | interface
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6 |
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7 | uses
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8 | Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, Menus,
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9 | ComCtrls, ExtCtrls, ActnList, Process, Contnrs;
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10 |
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11 | type
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12 | TSystemProcess = class
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13 | Name: string;
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14 | Path: string;
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15 | Parameters: string;
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16 | Cpu: Single;
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17 | Drive: Single;
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18 | Memory: Single;
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19 | Network: Single;
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20 | User: string;
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21 | PID: Integer;
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22 | Description: string;
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23 | end;
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24 |
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25 | TSystemProcesses = class(TObjectList)
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26 | end;
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27 |
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28 | TSystemServiceState = (ssStopped, ssRunning);
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29 |
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30 | TSystemService = class
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31 | Name: string;
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32 | Description: string;
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33 | State: TSystemServiceState;
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34 | end;
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35 |
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36 | TSystemServices = class(TObjectList)
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37 | end;
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38 |
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39 | { TFormMain }
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40 |
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41 | TFormMain = class(TForm)
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42 | AAlwaysOnTop: TAction;
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43 | AServiceStart: TAction;
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44 | AServiceRestart: TAction;
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45 | AServiceStop: TAction;
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46 | ARestore: TAction;
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47 | ARun: TAction;
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48 | AExit: TAction;
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49 | ActionList1: TActionList;
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50 | ImageList1: TImageList;
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51 | ListViewOnStartup: TListView;
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52 | ListViewDetails: TListView;
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53 | ListViewProcesses: TListView;
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54 | ListViewServices: TListView;
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55 | MainMenu1: TMainMenu;
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56 | MenuItem1: TMenuItem;
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57 | MenuItem10: TMenuItem;
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58 | MenuItem11: TMenuItem;
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59 | MenuItem12: TMenuItem;
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60 | MenuItem13: TMenuItem;
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61 | MenuItem14: TMenuItem;
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62 | MenuItem15: TMenuItem;
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63 | MenuItem16: TMenuItem;
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64 | MenuItem17: TMenuItem;
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65 | MenuItem18: TMenuItem;
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66 | MenuItem19: TMenuItem;
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67 | MenuItem2: TMenuItem;
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68 | MenuItem20: TMenuItem;
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69 | MenuItem21: TMenuItem;
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70 | MenuItem22: TMenuItem;
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71 | MenuItem23: TMenuItem;
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72 | MenuItem24: TMenuItem;
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73 | MenuItem25: TMenuItem;
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74 | MenuItem26: TMenuItem;
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75 | MenuItem27: TMenuItem;
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76 | MenuItem28: TMenuItem;
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77 | MenuItem29: TMenuItem;
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78 | MenuItem3: TMenuItem;
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79 | MenuItem30: TMenuItem;
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80 | MenuItem31: TMenuItem;
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81 | MenuItem32: TMenuItem;
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82 | MenuItem33: TMenuItem;
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83 | MenuItem34: TMenuItem;
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84 | MenuItem35: TMenuItem;
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85 | MenuItem36: TMenuItem;
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86 | MenuItem37: TMenuItem;
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87 | MenuItem38: TMenuItem;
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88 | MenuItem39: TMenuItem;
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89 | MenuItem4: TMenuItem;
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90 | MenuItem40: TMenuItem;
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91 | MenuItem41: TMenuItem;
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92 | MenuItem42: TMenuItem;
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93 | MenuItem43: TMenuItem;
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94 | MenuItem44: TMenuItem;
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95 | MenuItem45: TMenuItem;
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96 | MenuItem46: TMenuItem;
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97 | MenuItem47: TMenuItem;
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98 | MenuItem5: TMenuItem;
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99 | MenuItem6: TMenuItem;
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100 | MenuItem7: TMenuItem;
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101 | MenuItem8: TMenuItem;
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102 | MenuItem9: TMenuItem;
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103 | MenuItemRun: TMenuItem;
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104 | MenuItemExit: TMenuItem;
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105 | PageControl1: TPageControl;
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106 | Panel1: TPanel;
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107 | PopupMenuServices: TPopupMenu;
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108 | PopupMenuProcesses: TPopupMenu;
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109 | PopupMenuDetails: TPopupMenu;
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110 | PopupMenuTrayIcon: TPopupMenu;
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111 | TabSheet1: TTabSheet;
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112 | TabSheet2: TTabSheet;
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113 | TabSheet3: TTabSheet;
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114 | TabSheetServices: TTabSheet;
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115 | TabSheetDetails: TTabSheet;
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116 | TabSheetUsers: TTabSheet;
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117 | TabSheetProcesses: TTabSheet;
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118 | TimerRefresh: TTimer;
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119 | TrayIcon1: TTrayIcon;
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120 | procedure AExitExecute(Sender: TObject);
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121 | procedure ARestoreExecute(Sender: TObject);
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122 | procedure ARunExecute(Sender: TObject);
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123 | procedure AServiceRestartExecute(Sender: TObject);
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124 | procedure AServiceStartExecute(Sender: TObject);
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125 | procedure AServiceStopExecute(Sender: TObject);
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126 | procedure FormCreate(Sender: TObject);
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127 | procedure FormDestroy(Sender: TObject);
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128 | procedure FormShow(Sender: TObject);
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129 | procedure FormWindowStateChange(Sender: TObject);
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130 | procedure ListViewDetailsData(Sender: TObject; Item: TListItem);
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131 | procedure ListViewProcessesData(Sender: TObject; Item: TListItem);
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132 | procedure ListViewServicesData(Sender: TObject; Item: TListItem);
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133 | procedure PageControl1Change(Sender: TObject);
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134 | procedure PopupMenuServicesPopup(Sender: TObject);
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135 | procedure TimerRefreshTimer(Sender: TObject);
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136 | procedure TrayIcon1Click(Sender: TObject);
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137 | private
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138 | Processes: TSystemProcesses;
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139 | Services: TSystemServices;
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140 | function Cut(var Text: string; Separator: string): string;
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141 | procedure ReloadTab;
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142 | procedure ReloadProcessList;
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143 | procedure ReloadServiceList;
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144 | function ExecuteAnWaitForOutput(Executable: string; Parameters: array of string): string;
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145 | public
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146 |
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147 | end;
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148 |
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149 | var
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150 | FormMain: TFormMain;
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151 |
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152 | implementation
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153 |
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154 | {$R *.lfm}
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155 |
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156 | resourcestring
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157 | SRunNewTask = 'Run new task';
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158 | SRunNewTaskPrompt = 'Enter name of a program, service, document or resource from the Internet and Windows system will open it.';
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159 |
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160 | var
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161 | SystemServiceStatusText: array [TSystemServiceState] of string = ('Stopped', 'Running');
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162 | { TFormMain }
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163 |
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164 | procedure TFormMain.AExitExecute(Sender: TObject);
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165 | begin
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166 | Application.Terminate;
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167 | end;
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168 |
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169 | procedure TFormMain.ARestoreExecute(Sender: TObject);
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170 | begin
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171 | Show;
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172 | BringToFront;
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173 | end;
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174 |
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175 | procedure TFormMain.ARunExecute(Sender: TObject);
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176 | var
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177 | Text: string;
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178 | Process: TProcess;
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179 | begin
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180 | Text := InputBox(SRunNewTask, SRunNewTaskPrompt, '');
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181 | if Text <> '' then begin
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182 | Process := TProcess.Create(nil);
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183 | try
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184 | Process.Executable := Text;
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185 | Process.Options := [poNoConsole];
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186 | Process.Execute;
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187 | finally
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188 | Process.Free;
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189 | end;
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190 | end;
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191 | end;
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192 |
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193 | procedure TFormMain.AServiceRestartExecute(Sender: TObject);
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194 | begin
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195 | if Assigned(ListViewServices.Selected) then begin
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196 | ExecuteAnWaitForOutput('/bin/systemctl', ['restart',
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197 | TSystemService(ListViewServices.Selected.Data).Name])
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198 | end;
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199 | end;
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200 |
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201 | procedure TFormMain.AServiceStartExecute(Sender: TObject);
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202 | begin
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203 | ExecuteAnWaitForOutput('/bin/systemctl', ['start',
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204 | TSystemService(ListViewServices.Selected.Data).Name])
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205 | end;
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206 |
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207 | procedure TFormMain.AServiceStopExecute(Sender: TObject);
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208 | begin
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209 | ExecuteAnWaitForOutput('/bin/systemctl', ['stop',
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210 | TSystemService(ListViewServices.Selected.Data).Name])
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211 | end;
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212 |
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213 | procedure TFormMain.FormCreate(Sender: TObject);
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214 | begin
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215 | Processes := TSystemProcesses.Create;
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216 | Services := TSystemServices.Create;
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217 | end;
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218 |
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219 | procedure TFormMain.FormDestroy(Sender: TObject);
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220 | begin
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221 | Services.Free;
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222 | Processes.Free;
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223 | end;
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224 |
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225 | procedure TFormMain.FormShow(Sender: TObject);
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226 | begin
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227 | PageControl1.TabIndex := 0;
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228 | ReloadTab;
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229 | TimerRefresh.Enabled := True;
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230 | end;
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231 |
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232 | procedure TFormMain.FormWindowStateChange(Sender: TObject);
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233 | begin
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234 | ARestore.Visible := WindowState = wsMinimized;
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235 | end;
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236 |
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237 | procedure TFormMain.ListViewDetailsData(Sender: TObject; Item: TListItem);
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238 | begin
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239 | if Item.Index < Processes.Count then
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240 | with TSystemProcess(Processes[Item.Index]) do begin
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241 | Item.Data := Processes[Item.Index];
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242 | Item.Caption := Name;
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243 | Item.SubItems.Add(IntToStr(PID));
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244 | //Item.SubItems.Add(Status);
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245 | Item.SubItems.Add(User);
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246 | Item.SubItems.Add(FloatToStr(Cpu));
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247 | Item.SubItems.Add(FloatToStr(Memory));
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248 | Item.SubItems.Add(Description);
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249 | end;
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250 | end;
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251 |
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252 | procedure TFormMain.ListViewProcessesData(Sender: TObject; Item: TListItem);
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253 | begin
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254 | if Item.Index < Processes.Count then
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255 | with TSystemProcess(Processes[Item.Index]) do begin
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256 | Item.Data := Processes[Item.Index];
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257 | Item.Caption := Name;
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258 | Item.SubItems.Add(FloatToStr(Cpu));
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259 | Item.SubItems.Add(FloatToStr(Memory));
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260 | Item.SubItems.Add(FloatToStr(Drive));
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261 | Item.SubItems.Add(FloatToStr(Network));
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262 | end;
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263 | end;
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264 |
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265 | procedure TFormMain.ListViewServicesData(Sender: TObject; Item: TListItem);
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266 | begin
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267 | if Item.Index < Services.Count then
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268 | with TSystemService(Services[Item.Index]) do begin
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269 | Item.Data := Services[Item.Index];
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270 | Item.Caption := Name;
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271 | Item.SubItems.Add('');
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272 | Item.SubItems.Add(Description);
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273 | Item.SubItems.Add(SystemServiceStatusText[State]);
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274 | Item.SubItems.Add('');
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275 | end;
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276 | end;
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277 |
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278 | procedure TFormMain.PageControl1Change(Sender: TObject);
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279 | begin
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280 | ReloadTab;
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281 | end;
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282 |
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283 | procedure TFormMain.PopupMenuServicesPopup(Sender: TObject);
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284 | begin
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285 | AServiceRestart.Enabled := Assigned(ListViewServices.Selected) and
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286 | (TSystemService(ListViewServices.Selected.Data).State = ssRunning);
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287 | AServiceStop.Enabled := Assigned(ListViewServices.Selected) and
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288 | (TSystemService(ListViewServices.Selected.Data).State = ssRunning);
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289 | AServiceStart.Enabled := Assigned(ListViewServices.Selected) and
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290 | (TSystemService(ListViewServices.Selected.Data).State = ssStopped);
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291 | end;
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292 |
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293 | procedure TFormMain.TimerRefreshTimer(Sender: TObject);
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294 | begin
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295 | ReloadTab;
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296 | end;
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297 |
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298 | procedure TFormMain.TrayIcon1Click(Sender: TObject);
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299 | begin
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300 |
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301 | end;
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302 |
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303 | function TFormMain.Cut(var Text: string; Separator: string): string;
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304 | begin
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305 | if Pos(Separator, Text) > 0 then begin
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306 | Result := Copy(Text, 1, Pos(Separator, Text) - 1);
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307 | Delete(Text, 1, Length(Result) + Length(Separator));
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308 | end else begin
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309 | Result := Text;
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310 | Text := '';
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311 | end;
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312 | end;
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313 |
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314 | procedure TFormMain.ReloadTab;
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315 | begin
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316 | if PageControl1.ActivePage = TabSheetProcesses then begin
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317 | ReloadProcessList;
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318 | ListViewProcesses.Items.Count := Processes.Count;
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319 | ListViewProcesses.Refresh;
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320 | end;
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321 | if PageControl1.ActivePage = TabSheetDetails then begin
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322 | ReloadProcessList;
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323 | ListViewDetails.Items.Count := Processes.Count;
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324 | ListViewDetails.Refresh;
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325 | end;
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326 | if PageControl1.ActivePage = TabSheetServices then begin
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327 | ReloadServiceList;
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328 | ListViewServices.Items.Count := Services.Count;
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329 | ListViewServices.Refresh;
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330 | end;
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331 | end;
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332 |
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333 | procedure TFormMain.ReloadProcessList;
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334 | var
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335 | Lines: TStringList;
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336 | I: Integer;
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337 | NewProcess: TSystemProcess;
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338 | Line: string;
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339 | begin
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340 | Processes.Clear;
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341 | Lines := TStringList.Create;
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342 | try
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343 | Lines.Text := ExecuteAnWaitForOutput('/bin/ps', ['auxw']);
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344 | for I := 1 to Lines.Count - 1 do begin
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345 | Line := Lines[I];
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346 | while Pos(' ', Line) > 0 do
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347 | Line := StringReplace(Line, ' ', ' ', [rfReplaceAll]);
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348 | NewProcess := TSystemProcess.Create;
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349 | NewProcess.User := Cut(Line, ' ');
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350 | NewProcess.PID := StrToInt(Cut(Line, ' '));
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351 | NewProcess.Cpu := StrToFloat(Cut(Line, ' '));
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352 | NewProcess.Memory := StrToFloat(Cut(Line, ' '));
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353 | Cut(Line, ' ');
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354 | Cut(Line, ' ');
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355 | Cut(Line, ' ');
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356 | Cut(Line, ' ');
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357 | Cut(Line, ' ');
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358 | Cut(Line, ' ');
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359 | NewProcess.Name := Cut(Line, ' ');
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360 | if Copy(NewProcess.Name, 1, 1) = '/' then begin
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361 | NewProcess.Path := ExtractFileDir(NewProcess.Name);
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362 | NewProcess.Name := ExtractFileName(NewProcess.Name);
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363 | end else NewProcess.Path := '';
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364 | NewProcess.Parameters := Line;
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365 | Processes.Add(NewProcess);
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366 | end;
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367 | finally
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368 | Lines.Free;
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369 | end;
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370 | end;
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371 |
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372 | procedure TFormMain.ReloadServiceList;
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373 | var
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374 | Process: TProcess;
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375 | Lines: TStringList;
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376 | I: Integer;
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377 | NewService: TSystemService;
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378 | Line: string;
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379 | State: string;
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380 | begin
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381 | Services.Clear;
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382 | Process := TProcess.Create(nil);
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383 | Lines := TStringList.Create;
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384 | try
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385 | Lines.Text := ExecuteAnWaitForOutput('/bin/systemctl', ['list-units',
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386 | '--no-pager', '--all', '--plain', '--no-legend']);
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387 | for I := 0 to Lines.Count - 1 do begin
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388 | Line := Lines[I];
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389 | while Pos(' ', Line) > 0 do
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390 | Line := StringReplace(Line, ' ', ' ', [rfReplaceAll]);
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391 | NewService := TSystemService.Create;
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392 | NewService.Name := Cut(Line, ' ');
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393 | Cut(Line, ' ');
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394 | Cut(Line, ' ');
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395 | State := Cut(Line, ' ');
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396 | if State = 'running' then NewService.State := ssRunning
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397 | else NewService.State := ssStopped;
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398 | NewService.Description := Line;
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399 | Services.Add(NewService);
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400 | end;
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401 | finally
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402 | Lines.Free;
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403 | end;
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404 | end;
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405 |
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406 | function TFormMain.ExecuteAnWaitForOutput(Executable: string;
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407 | Parameters: array of string): string;
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408 | var
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409 | Process: TProcess;
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410 | OutputStream: TMemoryStream;
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411 | I: Integer;
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412 | BytesRead: Integer;
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413 | Buffer: array[0..2047] of Byte;
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414 | begin
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415 | Process := TProcess.Create(nil);
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416 | OutputStream := TMemoryStream.Create;
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417 | try
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418 | Process.Executable := Executable;
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419 | for I := 0 to Length(Parameters) - 1 do
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420 | Process.Parameters.Add(Parameters[I]);
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421 | Process.Options := [poNoConsole, poUsePipes];
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422 | Process.Execute;
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423 |
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424 | repeat
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425 | BytesRead := Process.Output.Read(Buffer, Length(Buffer));
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426 | OutputStream.Write(Buffer, BytesRead)
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427 | until BytesRead = 0;
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428 |
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429 | SetLength(Result, OutputStream.Size);
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430 | if OutputStream.Size > 0 then begin;
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431 | OutputStream.Position := 0;
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432 | OutputStream.Read(Result[1], OutputStream.Size);
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433 | end else Result := '';
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434 | finally
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435 | OutputStream.Free;
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436 | Process.Free;
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437 | end;
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438 | end;
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439 |
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440 | end.
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441 |
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