moel@1: /*
moel@1:   
moel@1:   Version: MPL 1.1/GPL 2.0/LGPL 2.1
moel@1: 
moel@1:   The contents of this file are subject to the Mozilla Public License Version
moel@1:   1.1 (the "License"); you may not use this file except in compliance with
moel@1:   the License. You may obtain a copy of the License at
moel@1:  
moel@1:   http://www.mozilla.org/MPL/
moel@1: 
moel@1:   Software distributed under the License is distributed on an "AS IS" basis,
moel@1:   WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
moel@1:   for the specific language governing rights and limitations under the License.
moel@1: 
moel@1:   The Original Code is the Open Hardware Monitor code.
moel@1: 
moel@1:   The Initial Developer of the Original Code is 
moel@1:   Michael Möller <m.moeller@gmx.ch>.
moel@1:   Portions created by the Initial Developer are Copyright (C) 2009-2010
moel@1:   the Initial Developer. All Rights Reserved.
moel@1: 
moel@1:   Contributor(s):
moel@1: 
moel@1:   Alternatively, the contents of this file may be used under the terms of
moel@1:   either the GNU General Public License Version 2 or later (the "GPL"), or
moel@1:   the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
moel@1:   in which case the provisions of the GPL or the LGPL are applicable instead
moel@1:   of those above. If you wish to allow use of your version of this file only
moel@1:   under the terms of either the GPL or the LGPL, and not to allow others to
moel@1:   use your version of this file under the terms of the MPL, indicate your
moel@1:   decision by deleting the provisions above and replace them with the notice
moel@1:   and other provisions required by the GPL or the LGPL. If you do not delete
moel@1:   the provisions above, a recipient may use your version of this file under
moel@1:   the terms of any one of the MPL, the GPL or the LGPL.
moel@1:  
moel@1: */
moel@1: 
moel@1: using System;
moel@1: using System.Collections.Generic;
moel@63: using OpenHardwareMonitor.Utilities;
moel@1: 
moel@1: namespace OpenHardwareMonitor.Hardware {
moel@1: 
moel@1:   public class Sensor : ISensor {
moel@1: 
moel@1:     private string defaultName;
moel@1:     private string name;
moel@1:     private int index;
moel@109:     private bool defaultHidden;
moel@1:     private SensorType sensorType;
moel@1:     private IHardware hardware;
moel@63:     private ReadOnlyArray<IParameter> parameters;
moel@1:     private float? value;
moel@1:     private float? min;
moel@1:     private float? max;
moel@159:     private Queue<SensorValue> values =
moel@159:       new Queue<SensorValue>(MAX_MINUTES * 15);
moel@1:     
moel@1:     private float sum = 0;
moel@1:     private int count = 0;
moel@1: 
moel@1:     private const int MAX_MINUTES = 120;
moel@28:    
moel@1:     public Sensor(string name, int index, SensorType sensorType,
moel@134:       IHardware hardware) : this(name, index, sensorType, hardware, 
moel@109:       null) { }
moel@1: 
moel@134:     public Sensor(string name, int index, SensorType sensorType,
moel@109:       IHardware hardware, ParameterDescription[] parameterDescriptions) :
moel@134:       this(name, index, false, sensorType, hardware,
moel@109:         parameterDescriptions) { }
moel@63: 
moel@109:     public Sensor(string name, int index, bool defaultHidden, 
moel@134:       SensorType sensorType, IHardware hardware, 
moel@109:       ParameterDescription[] parameterDescriptions) 
moel@1:     {
moel@1:       this.defaultName = name;      
moel@1:       this.index = index;
moel@109:       this.defaultHidden = defaultHidden;
moel@1:       this.sensorType = sensorType;
moel@1:       this.hardware = hardware;
moel@109:       Parameter[] parameters = new Parameter[parameterDescriptions == null ?
moel@109:         0 : parameterDescriptions.Length];
moel@63:       for (int i = 0; i < parameters.Length; i++ ) 
moel@63:         parameters[i] = new Parameter(parameterDescriptions[i], this);
moel@63:       this.parameters = parameters;
moel@63: 
moel@109:       string configName = Config.Settings[
moel@109:         new Identifier(Identifier, "name").ToString()];
moel@1:       if (configName != null)
moel@1:         this.name = configName;
moel@1:       else
moel@1:         this.name = name;
moel@1:     }
moel@1: 
moel@28:     public IHardware Hardware {
moel@28:       get { return hardware; }
moel@28:     }
moel@28: 
moel@1:     public SensorType SensorType {
moel@1:       get { return sensorType; }
moel@1:     }
moel@1: 
moel@109:     public Identifier Identifier {
moel@28:       get {
moel@109:         return new Identifier(hardware.Identifier, 
moel@109:           sensorType.ToString().ToLower(), index.ToString());
moel@28:       }
moel@28:     }
moel@28: 
moel@1:     public string Name {
moel@1:       get { 
moel@1:         return name; 
moel@1:       }
moel@1:       set {
moel@1:         if (value != "") 
moel@1:           name = value;          
moel@1:         else 
moel@1:           name = defaultName;
moel@109:         Config.Settings[new Identifier(Identifier, "name").ToString()] = name;
moel@1:       }
moel@1:     }
moel@1: 
moel@1:     public int Index {
moel@1:       get { return index; }
moel@1:     }
moel@1: 
moel@109:     public bool IsDefaultHidden {
moel@109:       get { return defaultHidden; }
moel@109:     }
moel@109: 
moel@63:     public IReadOnlyArray<IParameter> Parameters {
moel@63:       get { return parameters; }
moel@63:     }
moel@63: 
moel@1:     public float? Value {
moel@1:       get { 
moel@1:         return value; 
moel@1:       }
moel@1:       set {
moel@159:         while (values.Count > 0 && 
moel@159:           (DateTime.Now - values.Peek().Time).TotalMinutes > MAX_MINUTES)
moel@159:           values.Dequeue();
moel@1: 
moel@1:         if (value.HasValue) {
moel@1:           sum += value.Value;
moel@1:           count++;
moel@1:           if (count == 4) {
moel@159:             values.Enqueue(new SensorValue(sum / count, DateTime.Now));
moel@1:             sum = 0;
moel@1:             count = 0;
moel@1:           }
moel@1:         }
moel@1: 
moel@1:         this.value = value;
moel@1:         if (min > value || !min.HasValue)
moel@1:           min = value;
moel@1:         if (max < value || !max.HasValue)
moel@1:           max = value;
moel@1:       }
moel@1:     }
moel@1: 
moel@1:     public float? Min { get { return min; } }
moel@1:     public float? Max { get { return max; } }
moel@1: 
moel@151:     public void ResetMin() {
moel@151:       min = null;
moel@151:     }
moel@151: 
moel@151:     public void ResetMax() {
moel@151:       max = null;
moel@151:     }
moel@151: 
moel@159:     public IEnumerable<SensorValue> Values {
moel@159:       get { return values; }
moel@159:     }    
moel@110: 
moel@110:     public void Accept(IVisitor visitor) {
moel@110:       visitor.VisitSensor(this);
moel@110:     }
moel@110: 
moel@110:     public void Traverse(IVisitor visitor) {
moel@110:       foreach (IParameter parameter in parameters)
moel@110:         parameter.Accept(visitor);
moel@110:     }
moel@1:   }
moel@1: }