Hardware/HDD/HDD.cs
author moel.mich
Thu, 12 Aug 2010 20:53:27 +0000
changeset 166 fa9dfbfc4145
parent 165 813d8bc3192f
child 167 b7cc9d09aefe
permissions -rw-r--r--
Changed the project files to Visual Studio 2010. Fixed some Code Analysis warnings.
     1 /*
     2   
     3   Version: MPL 1.1/GPL 2.0/LGPL 2.1
     4 
     5   The contents of this file are subject to the Mozilla Public License Version
     6   1.1 (the "License"); you may not use this file except in compliance with
     7   the License. You may obtain a copy of the License at
     8  
     9   http://www.mozilla.org/MPL/
    10 
    11   Software distributed under the License is distributed on an "AS IS" basis,
    12   WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
    13   for the specific language governing rights and limitations under the License.
    14 
    15   The Original Code is the Open Hardware Monitor code.
    16 
    17   The Initial Developer of the Original Code is 
    18   Michael Möller <m.moeller@gmx.ch>.
    19   Portions created by the Initial Developer are Copyright (C) 2009-2010
    20   the Initial Developer. All Rights Reserved.
    21 
    22   Contributor(s):
    23 
    24   Alternatively, the contents of this file may be used under the terms of
    25   either the GNU General Public License Version 2 or later (the "GPL"), or
    26   the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
    27   in which case the provisions of the GPL or the LGPL are applicable instead
    28   of those above. If you wish to allow use of your version of this file only
    29   under the terms of either the GPL or the LGPL, and not to allow others to
    30   use your version of this file under the terms of the MPL, indicate your
    31   decision by deleting the provisions above and replace them with the notice
    32   and other provisions required by the GPL or the LGPL. If you do not delete
    33   the provisions above, a recipient may use your version of this file under
    34   the terms of any one of the MPL, the GPL or the LGPL.
    35  
    36 */
    37 
    38 using System;
    39 using System.Collections.Generic;
    40 using System.Globalization;
    41 
    42 namespace OpenHardwareMonitor.Hardware.HDD {
    43   internal class HDD : IHardware {
    44 
    45     private const int UPDATE_DIVIDER = 30; // update only every 30s
    46 
    47     private string name;
    48     private IntPtr handle;
    49     private int drive;
    50     private int attribute;    
    51     private Sensor temperature;
    52     private int count;
    53     
    54 
    55     public HDD(string name, IntPtr handle, int drive, int attribute, 
    56       ISettings settings) 
    57     {
    58       this.name = name;
    59       this.handle = handle;
    60       this.drive = drive;
    61       this.attribute = attribute;
    62       this.count = 0;
    63       this.temperature = new Sensor("HDD", 0, SensorType.Temperature, this, 
    64         settings);
    65       Update();
    66     }
    67 
    68 
    69     public string Name {
    70       get { return name; }
    71     }
    72 
    73     public Identifier Identifier {
    74       get { 
    75         return new Identifier("hdd", 
    76           drive.ToString(CultureInfo.InvariantCulture)); 
    77       }
    78     }
    79 
    80     public HardwareType HardwareType {
    81       get { return HardwareType.HDD; }
    82     }
    83 
    84     public IHardware[] SubHardware {
    85       get { return new IHardware[0]; }
    86     }
    87 
    88     public ISensor[] Sensors {
    89       get {
    90         return new ISensor[] { temperature };
    91       }
    92     }
    93 
    94     public string GetReport() {
    95       return null;
    96     }
    97 
    98     public void Update() {
    99       if (count == 0) {
   100         SMART.DriveAttribute[] attributes = SMART.ReadSmart(handle, drive);
   101         if (attributes != null && attribute < attributes.Length) 
   102           temperature.Value = attributes[attribute].RawValue[0];
   103       } else {
   104         temperature.Value = temperature.Value;
   105       }
   106 
   107       count++; count %= UPDATE_DIVIDER; 
   108     }
   109 
   110     public void Close() {
   111       SMART.CloseHandle(handle);
   112     }
   113 
   114     #pragma warning disable 67
   115     public event SensorEventHandler SensorAdded;
   116     public event SensorEventHandler SensorRemoved;
   117     #pragma warning restore 67    
   118 
   119     public void Accept(IVisitor visitor) {
   120       if (visitor != null)
   121         visitor.VisitHardware(this);
   122     }
   123 
   124     public void Traverse(IVisitor visitor) { }
   125   }
   126 }