1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
#pragma warning disable CS1591
using System;
using System.Diagnostics;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Model.Diagnostics;
namespace Emby.Server.Implementations.Diagnostics
{
public class CommonProcess : IProcess
{
private readonly Process _process;
private bool _disposed = false;
private bool _hasExited;
public CommonProcess(ProcessOptions options)
{
StartInfo = options;
var startInfo = new ProcessStartInfo
{
Arguments = options.Arguments,
FileName = options.FileName,
WorkingDirectory = options.WorkingDirectory,
UseShellExecute = options.UseShellExecute,
CreateNoWindow = options.CreateNoWindow,
RedirectStandardError = options.RedirectStandardError,
RedirectStandardInput = options.RedirectStandardInput,
RedirectStandardOutput = options.RedirectStandardOutput,
ErrorDialog = options.ErrorDialog
};
if (options.IsHidden)
{
startInfo.WindowStyle = ProcessWindowStyle.Hidden;
}
_process = new Process
{
StartInfo = startInfo
};
if (options.EnableRaisingEvents)
{
_process.EnableRaisingEvents = true;
_process.Exited += OnProcessExited;
}
}
public event EventHandler Exited;
public ProcessOptions StartInfo { get; }
public StreamWriter StandardInput => _process.StandardInput;
public StreamReader StandardError => _process.StandardError;
public StreamReader StandardOutput => _process.StandardOutput;
public int ExitCode => _process.ExitCode;
private bool HasExited
{
get
{
if (_hasExited)
{
return true;
}
try
{
_hasExited = _process.HasExited;
}
catch (InvalidOperationException)
{
_hasExited = true;
}
return _hasExited;
}
}
public void Start()
{
_process.Start();
}
public void Kill()
{
_process.Kill();
}
public bool WaitForExit(int timeMs)
{
return _process.WaitForExit(timeMs);
}
public Task<bool> WaitForExitAsync(int timeMs)
{
// Note: For this function to work correctly, the option EnableRisingEvents needs to be set to true.
if (HasExited)
{
return Task.FromResult(true);
}
timeMs = Math.Max(0, timeMs);
var tcs = new TaskCompletionSource<bool>();
var cancellationToken = new CancellationTokenSource(timeMs).Token;
_process.Exited += (sender, args) => tcs.TrySetResult(true);
cancellationToken.Register(() => tcs.TrySetResult(HasExited));
return tcs.Task;
}
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
protected virtual void Dispose(bool disposing)
{
if (_disposed)
{
return;
}
if (disposing)
{
_process?.Dispose();
}
_disposed = true;
}
private void OnProcessExited(object sender, EventArgs e)
{
_hasExited = true;
Exited?.Invoke(this, e);
}
}
}
|
