wasSharp – Diff between revs 20 and 27
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1 | /////////////////////////////////////////////////////////////////////////// |
1 | /////////////////////////////////////////////////////////////////////////// |
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2 | // Copyright (C) Wizardry and Steamworks 2013 - License: GNU GPLv3 // |
2 | // Copyright (C) Wizardry and Steamworks 2013 - License: GNU GPLv3 // |
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3 | // Please see: http://www.gnu.org/licenses/gpl.html for legal details, // |
3 | // Please see: http://www.gnu.org/licenses/gpl.html for legal details, // |
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4 | // rights of fair usage, the disclaimer and warranty conditions. // |
4 | // rights of fair usage, the disclaimer and warranty conditions. // |
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5 | /////////////////////////////////////////////////////////////////////////// |
5 | /////////////////////////////////////////////////////////////////////////// |
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6 | |
6 | |
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7 | using System; |
7 | using System; |
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8 | using System.Collections.Generic; |
8 | using System.Collections.Generic; |
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9 | using System.Diagnostics; |
9 | using System.Diagnostics; |
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10 | using System.Linq; |
10 | using System.Linq; |
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11 | using System.Threading; |
11 | using System.Threading; |
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12 | using System.Xml.Serialization; |
12 | using System.Xml.Serialization; |
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13 | |
13 | |
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14 | namespace wasSharp.Timers |
14 | namespace wasSharp.Timers |
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15 | { |
15 | { |
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16 | /////////////////////////////////////////////////////////////////////////// |
16 | /////////////////////////////////////////////////////////////////////////// |
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17 | // Copyright (C) Wizardry and Steamworks 2013 - License: GNU GPLv3 // |
17 | // Copyright (C) Wizardry and Steamworks 2013 - License: GNU GPLv3 // |
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18 | /////////////////////////////////////////////////////////////////////////// |
18 | /////////////////////////////////////////////////////////////////////////// |
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19 | /// <summary> |
19 | /// <summary> |
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20 | /// An alarm class similar to the UNIX alarm with the added benefit |
20 | /// An alarm class similar to the UNIX alarm with the added benefit |
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21 | /// of a decaying timer that tracks the time between rescheduling. |
21 | /// of a decaying timer that tracks the time between rescheduling. |
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22 | /// </summary> |
22 | /// </summary> |
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23 | /// <remarks> |
23 | /// <remarks> |
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24 | /// (C) Wizardry and Steamworks 2013 - License: GNU GPLv3 |
24 | /// (C) Wizardry and Steamworks 2013 - License: GNU GPLv3 |
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25 | /// </remarks> |
25 | /// </remarks> |
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26 | public class DecayingAlarm : IDisposable |
26 | public class DecayingAlarm : IDisposable |
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27 | { |
27 | { |
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28 | [Flags] |
28 | [Flags] |
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29 | public enum DECAY_TYPE |
29 | public enum DECAY_TYPE |
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30 | { |
30 | { |
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31 | [Reflection.NameAttribute("none")] [XmlEnum(Name = "none")] NONE = 0, |
31 | [Reflection.NameAttribute("none")] |
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- | 32 | [XmlEnum(Name = "none")] |
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- | 33 | NONE = 0, |
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- | 34 | |
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32 | [Reflection.NameAttribute("arithmetic")] [XmlEnum(Name = "arithmetic")] ARITHMETIC = 1, |
35 | [Reflection.NameAttribute("arithmetic")] |
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- | 36 | [XmlEnum(Name = "arithmetic")] |
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- | 37 | ARITHMETIC = 1, |
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- | 38 | |
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33 | [Reflection.NameAttribute("geometric")] [XmlEnum(Name = "geometric")] GEOMETRIC = 2, |
39 | [Reflection.NameAttribute("geometric")] |
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- | 40 | [XmlEnum(Name = "geometric")] |
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- | 41 | GEOMETRIC = 2, |
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- | 42 | |
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34 | [Reflection.NameAttribute("harmonic")] [XmlEnum(Name = "harmonic")] HARMONIC = 4, |
43 | [Reflection.NameAttribute("harmonic")] |
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- | 44 | [XmlEnum(Name = "harmonic")] |
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- | 45 | HARMONIC = 4, |
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- | 46 | |
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35 | [Reflection.NameAttribute("weighted")] [XmlEnum(Name = "weighted")] WEIGHTED = 5 |
47 | [Reflection.NameAttribute("weighted")] |
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- | 48 | [XmlEnum(Name = "weighted")] |
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- | 49 | WEIGHTED = 5 |
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36 | } |
50 | } |
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37 | |
51 | |
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38 | private readonly DECAY_TYPE decay = DECAY_TYPE.NONE; |
52 | private readonly DECAY_TYPE decay = DECAY_TYPE.NONE; |
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39 | private readonly Stopwatch elapsed = new Stopwatch(); |
53 | private readonly Stopwatch elapsed = new Stopwatch(); |
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40 | private readonly object LockObject = new object(); |
54 | private readonly object LockObject = new object(); |
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41 | private readonly HashSet<double> times = new HashSet<double>(); |
55 | private readonly HashSet<double> times = new HashSet<double>(); |
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42 | private Timer alarm; |
56 | private Timer alarm; |
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43 | |
57 | |
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44 | /// <summary> |
58 | /// <summary> |
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45 | /// The default constructor using no decay. |
59 | /// The default constructor using no decay. |
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46 | /// </summary> |
60 | /// </summary> |
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47 | public DecayingAlarm() |
61 | public DecayingAlarm() |
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48 | { |
62 | { |
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49 | Signal = new ManualResetEvent(false); |
63 | Signal = new ManualResetEvent(false); |
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50 | } |
64 | } |
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51 | |
65 | |
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52 | /// <summary> |
66 | /// <summary> |
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53 | /// The constructor for the DecayingAlarm class taking as parameter a decay type. |
67 | /// The constructor for the DecayingAlarm class taking as parameter a decay type. |
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54 | /// </summary> |
68 | /// </summary> |
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55 | /// <param name="decay">the type of decay: arithmetic, geometric, harmonic, heronian or quadratic</param> |
69 | /// <param name="decay">the type of decay: arithmetic, geometric, harmonic, heronian or quadratic</param> |
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56 | public DecayingAlarm(DECAY_TYPE decay) |
70 | public DecayingAlarm(DECAY_TYPE decay) |
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57 | { |
71 | { |
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58 | Signal = new ManualResetEvent(false); |
72 | Signal = new ManualResetEvent(false); |
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59 | this.decay = decay; |
73 | this.decay = decay; |
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60 | } |
74 | } |
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61 | |
75 | |
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62 | public ManualResetEvent Signal { get; set; } |
76 | public ManualResetEvent Signal { get; set; } |
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63 | |
77 | |
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64 | public void Dispose() |
78 | public void Dispose() |
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65 | { |
79 | { |
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66 | Dispose(true); |
80 | Dispose(true); |
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67 | GC.SuppressFinalize(this); |
81 | GC.SuppressFinalize(this); |
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68 | } |
82 | } |
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69 | |
83 | |
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70 | ~DecayingAlarm() |
84 | ~DecayingAlarm() |
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71 | { |
85 | { |
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72 | Dispose(false); |
86 | Dispose(false); |
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73 | } |
87 | } |
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74 | |
88 | |
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75 | public void Alarm(double deadline) |
89 | public void Alarm(double deadline) |
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76 | { |
90 | { |
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77 | lock (LockObject) |
91 | lock (LockObject) |
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78 | { |
92 | { |
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79 | switch (alarm == null) |
93 | switch (alarm == null) |
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80 | { |
94 | { |
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81 | case true: |
95 | case true: |
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82 | elapsed.Start(); |
96 | elapsed.Start(); |
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83 | alarm = new Timer(() => |
97 | alarm = new Timer(() => |
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84 | { |
98 | { |
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85 | lock (LockObject) |
99 | lock (LockObject) |
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86 | { |
100 | { |
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87 | Signal.Set(); |
101 | Signal.Set(); |
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88 | elapsed.Stop(); |
102 | elapsed.Stop(); |
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89 | times.Clear(); |
103 | times.Clear(); |
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90 | alarm.Dispose(); |
104 | alarm.Dispose(); |
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91 | alarm = null; |
105 | alarm = null; |
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92 | } |
106 | } |
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93 | }, deadline, 0); |
107 | }, deadline, 0); |
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94 | return; |
108 | return; |
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- | 109 | |
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95 | case false: |
110 | case false: |
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96 | elapsed.Stop(); |
111 | elapsed.Stop(); |
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97 | times.Add(elapsed.ElapsedMilliseconds); |
112 | times.Add(elapsed.ElapsedMilliseconds); |
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98 | switch (decay) |
113 | switch (decay) |
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99 | { |
114 | { |
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100 | case DECAY_TYPE.ARITHMETIC: |
115 | case DECAY_TYPE.ARITHMETIC: |
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101 | alarm?.Change( |
116 | alarm?.Change( |
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102 | (int) ((deadline + times.Aggregate((a, b) => b + a))/(1f + times.Count)), 0); |
117 | (int)((deadline + times.Aggregate((a, b) => b + a)) / (1f + times.Count)), 0); |
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103 | break; |
118 | break; |
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- | 119 | |
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104 | case DECAY_TYPE.GEOMETRIC: |
120 | case DECAY_TYPE.GEOMETRIC: |
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105 | alarm?.Change((int) Math.Pow(deadline*times.Aggregate((a, b) => b*a), |
121 | alarm?.Change((int)Math.Pow(deadline * times.Aggregate((a, b) => b * a), |
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106 | 1f/(1f + times.Count)), 0); |
122 | 1f / (1f + times.Count)), 0); |
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107 | break; |
123 | break; |
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- | 124 | |
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108 | case DECAY_TYPE.HARMONIC: |
125 | case DECAY_TYPE.HARMONIC: |
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109 | alarm?.Change((int) ((1f + times.Count)/ |
126 | alarm?.Change((int)((1f + times.Count) / |
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110 | (1f/deadline + times.Aggregate((a, b) => 1f/b + 1f/a))), 0); |
127 | (1f / deadline + times.Aggregate((a, b) => 1f / b + 1f / a))), 0); |
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111 | break; |
128 | break; |
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- | 129 | |
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112 | case DECAY_TYPE.WEIGHTED: |
130 | case DECAY_TYPE.WEIGHTED: |
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113 | var d = new HashSet<double>(times) {deadline}; |
131 | var d = new HashSet<double>(times) { deadline }; |
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114 | var total = d.Aggregate((a, b) => b + a); |
132 | var total = d.Aggregate((a, b) => b + a); |
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115 | alarm?.Change( |
133 | alarm?.Change( |
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116 | (int) d.Aggregate((a, b) => Math.Pow(a, 2)/total + Math.Pow(b, 2)/total), 0); |
134 | (int)d.Aggregate((a, b) => Math.Pow(a, 2) / total + Math.Pow(b, 2) / total), 0); |
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117 | break; |
135 | break; |
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- | 136 | |
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118 | default: |
137 | default: |
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119 | alarm?.Change((int) deadline, 0); |
138 | alarm?.Change((int)deadline, 0); |
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120 | break; |
139 | break; |
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121 | } |
140 | } |
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122 | elapsed.Reset(); |
141 | elapsed.Reset(); |
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123 | elapsed.Start(); |
142 | elapsed.Start(); |
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124 | break; |
143 | break; |
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125 | } |
144 | } |
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126 | } |
145 | } |
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127 | } |
146 | } |
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128 | |
147 | |
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129 | private void Dispose(bool dispose) |
148 | private void Dispose(bool dispose) |
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130 | { |
149 | { |
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131 | if (alarm != null) |
150 | if (alarm != null) |
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132 | { |
151 | { |
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133 | alarm.Dispose(); |
152 | alarm.Dispose(); |
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134 | alarm = null; |
153 | alarm = null; |
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135 | } |
154 | } |
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136 | } |
155 | } |
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137 | |
156 | |
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138 | public DecayingAlarm Clone() |
157 | public DecayingAlarm Clone() |
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139 | { |
158 | { |
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140 | return new DecayingAlarm(decay); |
159 | return new DecayingAlarm(decay); |
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141 | } |
160 | } |
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142 | } |
161 | } |
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143 | } |
162 | } |
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144 | |
163 | |
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145 |
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146 | |
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147 | |
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148 | |
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