wasSharp – Diff between revs 10 and 20
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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.Threading; |
8 | using System.Threading; |
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9 | using System.Threading.Tasks; |
9 | using System.Threading.Tasks; |
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10 | |
10 | |
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11 | namespace wasSharp.Timers |
11 | namespace wasSharp.Timers |
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12 | { |
12 | { |
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13 | public delegate void TimerCallback(object state); |
- | ||
14 | |
- | ||
15 | public class Timer : IDisposable |
13 | public class Timer : IDisposable |
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16 | { |
14 | { |
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17 | private static readonly Task CompletedTask = Task.FromResult(false); |
- | ||
18 | private readonly TimerCallback Callback; |
15 | private readonly Action callback; |
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19 | private readonly object State; |
16 | private readonly Task CompletedTask = Task.FromResult(false); |
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20 | private Task Delay; |
17 | private Task Delay; |
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21 | private bool Disposed; |
18 | private bool Disposed; |
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- | 19 | private TimeSpan dueTime; |
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22 | private int Period; |
20 | private TimeSpan period; |
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23 | private CancellationTokenSource TokenSource; |
21 | private CancellationTokenSource tokenSource; |
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24 | |
22 | |
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25 | public Timer(TimerCallback callback, object state, int dueTime, int period) |
23 | public Timer(Action callback, TimeSpan dueTime, TimeSpan period) |
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26 | { |
24 | { |
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27 | Callback = callback; |
25 | this.callback = callback; |
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28 | State = state; |
26 | this.dueTime = dueTime; |
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- | 27 | this.period = period; |
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29 | Period = period; |
28 | |
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30 | Reset(dueTime); |
29 | Run(); |
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31 | } |
30 | } |
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32 | |
31 | |
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33 | public Timer(TimerCallback callback, object state, TimeSpan dueTime, TimeSpan period) |
32 | public Timer(Action callback, int dueTime, int period) |
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34 | : this(callback, state, (int) dueTime.TotalMilliseconds, (int) period.TotalMilliseconds) |
33 | : this(callback, TimeSpan.FromMilliseconds(dueTime), TimeSpan.FromMilliseconds(period)) |
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35 | { |
34 | { |
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36 | } |
35 | } |
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37 | |
36 | |
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38 | public Timer(TimerCallback callback) : this(callback, null, TimeSpan.Zero, TimeSpan.Zero) |
37 | public Timer(Action callback) : this(callback, TimeSpan.Zero, TimeSpan.Zero) |
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39 | { |
38 | { |
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40 | } |
39 | } |
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41 | |
40 | |
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- | 41 | public Timer(Action callback, double dueTime, int period) |
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42 | public void Dispose() |
42 | : this(callback, TimeSpan.FromMilliseconds(dueTime), TimeSpan.FromMilliseconds(period)) |
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43 | { |
- | ||
44 | Dispose(true); |
- | ||
45 | GC.SuppressFinalize(this); |
43 | { |
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46 | } |
44 | } |
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- | 45 | |
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47 | |
46 | public Timer(Action callback, uint dueTime, uint period) |
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48 | ~Timer() |
- | ||
49 | { |
47 | : this(callback, TimeSpan.FromMilliseconds(dueTime), TimeSpan.FromMilliseconds(period)) |
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50 | Dispose(false); |
48 | { |
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51 | } |
49 | } |
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52 | |
50 | |
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- | 51 | public void Dispose() |
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53 | private void Dispose(bool cleanUpManagedObjects) |
52 | { |
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- | 53 | if (tokenSource != null) |
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- | 54 | { |
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- | 55 | tokenSource.Cancel(); |
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54 | { |
56 | tokenSource.Dispose(); |
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55 | if (cleanUpManagedObjects) |
57 | tokenSource = null; |
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56 | Cancel(); |
58 | } |
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57 | Disposed = true; |
59 | Disposed = true; |
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58 | } |
60 | } |
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59 | |
61 | |
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60 | public void Change(int dueTime, int period) |
62 | private void Run() |
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61 | { |
63 | { |
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62 | Period = period; |
64 | // Cancel any previous timer. |
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63 | Reset(dueTime); |
65 | if (tokenSource != null) |
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64 | } |
- | ||
65 | |
66 | { |
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66 | public void Change(uint dueTime, int period) |
- | ||
67 | { |
67 | tokenSource.Cancel(); |
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68 | Period = period; |
68 | tokenSource.Dispose(); |
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69 | Change((int) dueTime, period); |
69 | tokenSource = null; |
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70 | } |
70 | } |
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71 | |
- | ||
72 | public void Change(TimeSpan dueTime, TimeSpan period) |
71 | |
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73 | { |
- | ||
74 | Change((int) dueTime.TotalMilliseconds, (int) period.TotalMilliseconds); |
- | ||
75 | } |
- | ||
76 | |
- | ||
77 | private void Reset(int due) |
- | ||
78 | { |
- | ||
79 | Cancel(); |
- | ||
80 | if (due <= 0) |
72 | // Create a new cancellation source. |
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81 | return; |
73 | tokenSource = new CancellationTokenSource(); |
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82 | TokenSource = new CancellationTokenSource(); |
74 | |
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83 | Action tick = null; |
75 | Action tick = null; |
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84 | tick = () => |
76 | tick = () => |
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85 | { |
77 | { |
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86 | Task.Run(() => Callback(State)); |
78 | Task.Run(() => callback(), tokenSource.Token); |
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87 | if (Disposed) |
79 | if (Disposed) |
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88 | return; |
80 | return; |
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89 | Delay = Period > 0 ? Task.Delay(Period, TokenSource.Token) : CompletedTask; |
81 | Delay = !period.Equals(0) ? Task.Delay(period, tokenSource.Token) : CompletedTask; |
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90 | if (Delay.IsCompleted) |
82 | if (Delay.IsCompleted) |
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91 | return; |
83 | return; |
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92 | Delay.ContinueWith(t => tick(), TokenSource.Token); |
84 | Delay.ContinueWith(t => tick(), tokenSource.Token); |
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93 | }; |
85 | }; |
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- | 86 | |
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94 | Delay = due > 0 ? Task.Delay(due, TokenSource.Token) : CompletedTask; |
87 | Delay = !dueTime.Equals(0) ? Task.Delay(dueTime, tokenSource.Token) : CompletedTask; |
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95 | if (Delay.IsCompleted) |
88 | if (Delay.IsCompleted) |
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96 | return; |
89 | return; |
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97 | Delay.ContinueWith(t => tick(), TokenSource.Token); |
90 | Delay.ContinueWith(t => tick(), tokenSource.Token); |
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98 | } |
91 | } |
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99 | |
92 | |
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100 | public void Stop() |
93 | public void Change(int dueTime, int period) |
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101 | { |
94 | { |
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102 | Change(0, 0); |
95 | Change(TimeSpan.FromMilliseconds(dueTime), TimeSpan.FromMilliseconds(period)); |
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103 | } |
96 | } |
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104 | |
97 | |
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- | 98 | public void Change(uint dueTime, int period) |
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- | 99 | { |
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- | 100 | Change(TimeSpan.FromMilliseconds(dueTime), TimeSpan.FromMilliseconds(period)); |
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- | 101 | } |
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- | 102 | |
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105 | private void Cancel() |
103 | public void Change(TimeSpan dueTime, TimeSpan period) |
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106 | { |
104 | { |
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- | 105 | this.dueTime = dueTime; |
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107 | if (TokenSource == null) |
106 | this.period = period; |
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- | 107 | |
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- | 108 | Run(); |
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108 | return; |
109 | } |
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- | 110 | |
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109 | TokenSource.Cancel(); |
111 | public void Stop() |
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110 | TokenSource.Dispose(); |
112 | { |
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111 | TokenSource = null; |
113 | Change(0, 0); |
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112 | } |
114 | } |
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113 | } |
115 | } |
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114 | } |
116 | } |
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115 | |
117 | |
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116 |
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118 |
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117 | |
119 | |
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118 | |
120 | |
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119 | |
121 | |