class/System/System.Diagnostics/PerformanceCounterPermission.cs

   1 //
   2 // System.Diagnostics.PerformanceCounterPermission.cs
   3 //
   4 // Authors:
   5 //      Jonathan Pryor (jonpryor@vt.edu)
   6 //      Andreas Nahr (ClassDevelopment@A-SoftTech.com)
   7 //      Sebastien Pouliot  <sebastien@ximian.com>
   8 //
   9 // (C) 2002
  10 // (C) 2003 Andreas Nahr
  11 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  12 //
  13 // Permission is hereby granted, free of charge, to any person obtaining
  14 // a copy of this software and associated documentation files (the
  15 // "Software"), to deal in the Software without restriction, including
  16 // without limitation the rights to use, copy, modify, merge, publish,
  17 // distribute, sublicense, and/or sell copies of the Software, and to
  18 // permit persons to whom the Software is furnished to do so, subject to
  19 // the following conditions:
  20 //
  21 // The above copyright notice and this permission notice shall be
  22 // included in all copies or substantial portions of the Software.
  23 //
  24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  31 //
  32
  33 using System.Security.Permissions;
  34
  35 namespace System.Diagnostics {
  36
  37         [Serializable]
  38         public sealed class PerformanceCounterPermission : ResourcePermissionBase {
  39
  40                 PerformanceCounterPermissionEntryCollection innerCollection;
  41
  42                 public PerformanceCounterPermission ()
  43                 {
  44                         SetUp ();
  45                 }
  46
  47                 public PerformanceCounterPermission (PerformanceCounterPermissionEntry[] permissionAccessEntries)
  48                 {
  49                         if (permissionAccessEntries == null)
  50                                 throw new ArgumentNullException("permissionAccessEntries");
  51
  52                         SetUp ();
  53                         innerCollection = new PerformanceCounterPermissionEntryCollection (this);
  54                         innerCollection.AddRange (permissionAccessEntries);
  55                 }
  56
  57                 public PerformanceCounterPermission (PermissionState state)
  58                         : base (state)
  59                 {
  60                         SetUp ();
  61                 }
  62
  63                 public PerformanceCounterPermission (PerformanceCounterPermissionAccess permissionAccess, string machineName, string categoryName)
  64                 {
  65                         SetUp ();
  66                         innerCollection = new PerformanceCounterPermissionEntryCollection (this);
  67                         innerCollection.Add (new PerformanceCounterPermissionEntry (permissionAccess, machineName, categoryName));
  68                 }
  69
  70                 public PerformanceCounterPermissionEntryCollection PermissionEntries {
  71                         get {
  72                                 if (innerCollection == null) {
  73                                         // must be here to work with XML deserialization
  74                                         innerCollection = new PerformanceCounterPermissionEntryCollection (this);
  75                                 }
  76                                 return innerCollection;
  77                         }
  78                 }
  79
  80                 // private stuff
  81
  82                 private void SetUp ()
  83                 {
  84                         TagNames = new string [2] { "Machine", "Category" };
  85                         PermissionAccessType = typeof (PerformanceCounterPermissionAccess);
  86                 }
  87
  88                 internal ResourcePermissionBaseEntry[] GetEntries ()
  89                 {
  90                         return base.GetPermissionEntries ();
  91                 }
  92
  93                 internal void ClearEntries ()
  94                 {
  95                         base.Clear ();
  96                 }
  97
  98                 internal void Add (object obj)
  99                 {
 100                         PerformanceCounterPermissionEntry pcpe = (obj as PerformanceCounterPermissionEntry);
 101                         base.AddPermissionAccess (pcpe.CreateResourcePermissionBaseEntry ());
 102                 }
 103
 104                 internal void Remove (object obj)
 105                 {
 106                         PerformanceCounterPermissionEntry pcpe = (obj as PerformanceCounterPermissionEntry);
 107                         base.RemovePermissionAccess (pcpe.CreateResourcePermissionBaseEntry ());
 108                 }
 109         }
 110 }
 111