source: branches/2839_HiveProjectManagement/HeuristicLab.Clients.Hive.Slave.TrayIcon/3.3/Program.cs @ 16057

Last change on this file since 16057 was 16057, checked in by jkarder, 16 months ago

#2839:

File size: 3.7 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
23using System.Diagnostics;
24using System.Management;
25using System.Security.Principal;
26using System.Windows.Forms;
27using HeuristicLab.Clients.Hive.SlaveCore.Views;
28using HeuristicLab.Clients.Hive.SlaveCore.Views.Properties;
29
30namespace HeuristicLab.Clients.Hive.SlaveCore.SlaveTrayIcon {
31  static class Program {
32    /// <summary>
33    /// The main entry point for the application.
34    /// </summary>
35    [STAThread]
36    static void Main(string[] args) {
37      if (args.Length < 1 || (args.Length > 0 && args[0] != Settings.Default.ShowUICmd)) {
38        KillOtherInstances();
39      }
40
41      Application.EnableVisualStyles();
42      Application.SetCompatibleTextRenderingDefault(false);
43      MainWindow mw = new MainWindow();
44      if (args.Length < 1 || (args.Length > 0 && args[0] != Settings.Default.ShowUICmd)) {
45        mw.Hide();
46      } else if (args.Length > 0 && args[0] == Settings.Default.ShowUICmd) {
47        mw.Show();
48      }
49
50      mw.Content = new SlaveItem();
51      Application.Run();
52    }
53
54    /// <summary>
55    /// Gets the owner of a process
56    /// (based on http://www.codeproject.com/KB/cs/processownersid.aspx)
57    /// </summary>   
58    private static string GetProcessOwner(int pid) {
59      string ownerSID = String.Empty;
60      string processName = String.Empty;
61      try {
62        ObjectQuery sq = new ObjectQuery
63            ("Select * from Win32_Process Where ProcessID = '" + pid + "'");
64        ManagementObjectSearcher searcher = new ManagementObjectSearcher(sq);
65        if (searcher.Get().Count == 0)
66          return ownerSID;
67        foreach (ManagementObject oReturn in searcher.Get()) {
68          string[] sid = new String[1];
69          oReturn.InvokeMethod("GetOwnerSid", (object[])sid);
70          ownerSID = sid[0];
71          return ownerSID;
72        }
73      }
74      catch {
75        return ownerSID;
76      }
77      return ownerSID;
78    }
79
80    /// <summary>
81    /// Kill all other slave tray icons, we only want 1 running at a time
82    /// (and if a newer version is installed the older one should be killed)
83    /// </summary>
84    private static void KillOtherInstances() {
85      String currentUserSID = WindowsIdentity.GetCurrent().User.Value;
86      Process curProc = Process.GetCurrentProcess();
87
88      try {
89        Process[] procs = Process.GetProcessesByName(curProc.ProcessName);
90        foreach (Process p in procs) {
91          if (p.Id != curProc.Id) {
92            String procUserSID = GetProcessOwner(p.Id);
93            if (procUserSID == currentUserSID) {
94              p.Kill();
95            }
96          }
97        }
98      }
99      catch (InvalidOperationException) { }
100      catch (Exception) {
101        MessageBox.Show("There is another instance of the Hive Slave tray icon running which can't be closed.", "HeuristicLab Hive Slave");
102      }
103    }
104  }
105}
Note: See TracBrowser for help on using the repository browser.