1 | #Region "Microsoft.VisualBasic::bc18109e0949131a98d1402c90e6a5f0, Microsoft.VisualBasic.Core\CommandLine\CLI\IIORedirectAbstract.vb" |
2 | |
3 | ' Author: |
4 | ' |
5 | ' asuka (amethyst.asuka@gcmodeller.org) |
6 | ' xie (genetics@smrucc.org) |
7 | ' xieguigang (xie.guigang@live.com) |
8 | ' |
9 | ' Copyright (c) 2018 GPL3 Licensed |
10 | ' |
11 | ' |
12 | ' GNU GENERAL PUBLIC LICENSE (GPL3) |
13 | ' |
14 | ' |
15 | ' This program is free software: you can redistribute it and/or modify |
16 | ' it under the terms of the GNU General Public License as published by |
17 | ' the Free Software Foundation, either version 3 of the License, or |
18 | ' (at your option) any later version. |
19 | ' |
20 | ' This program is distributed in the hope that it will be useful, |
21 | ' but WITHOUT ANY WARRANTY; without even the implied warranty of |
22 | ' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
23 | ' GNU General Public License for more details. |
24 | ' |
25 | ' You should have received a copy of the GNU General Public License |
26 | ' along with this program. If not, see <http://www.gnu.org/licenses/>. |
27 | |
28 | |
29 | |
30 | ' /********************************************************************************/ |
31 | |
32 | ' Summaries: |
33 | |
34 | ' Interface IIORedirectAbstract |
35 | ' |
36 | ' Properties: Bin, CLIArguments, StandardOutput |
37 | ' |
38 | ' Function: Run, Start |
39 | ' |
40 | ' Structure ProcessEx |
41 | ' |
42 | ' Properties: Bin, CLIArguments, StandardOutput |
43 | ' |
44 | ' Function: Run, Start, ToString |
45 | ' |
46 | ' Sub: __wait |
47 | ' |
48 | ' |
49 | ' /********************************************************************************/ |
50 | |
51 | #End Region |
52 | |
53 | Imports System.Threading |
54 | Imports Microsoft.VisualBasic.Serialization.JSON |
55 | |
56 | Namespace CommandLine |
57 | |
58 | Public Interface IIORedirectAbstract |
59 | |
60 | ReadOnly Property Bin As String |
61 | ReadOnly Property CLIArguments As String |
62 | |
63 | ''' <summary> |
64 | ''' The target invoked process event has been exit with a specific return code.(目标派生子进程已经结束了运行并且返回了一个错误值) |
65 | ''' </summary> |
66 | ''' <param name="exitCode"></param> |
67 | ''' <param name="exitTime"></param> |
68 | ''' <remarks></remarks> |
69 | Event ProcessExit(exitCode As Integer, exitTime As String) |
70 | |
71 | ''' <summary> |
72 | ''' Gets the standard output for the target invoke process. |
73 | ''' </summary> |
74 | ''' <value></value> |
75 | ''' <returns></returns> |
76 | ''' <remarks></remarks> |
77 | ReadOnly Property StandardOutput As String |
78 | |
79 | ''' <summary> |
80 | ''' Start the target process. If the target invoked process is currently on the running state, |
81 | ''' then this function will returns the -100 value as error code and print the warning |
82 | ''' information on the system console.(启动目标进程) |
83 | ''' </summary> |
84 | ''' <param name="WaitForExit">Indicate that the program code wait for the target process exit or not?(参数指示应用程序代码是否等待目标进程的结束)</param> |
85 | ''' <returns>当发生错误的时候会返回错误代码,当当前的进程任然处于运行的状态的时候,程序会返回-100错误代码并在终端之上打印出警告信息</returns> |
86 | ''' <remarks></remarks> |
87 | Function Start(Optional WaitForExit As Boolean = False) As Integer |
88 | ''' <summary> |
89 | ''' 启动目标子进程,然后等待执行完毕并返回退出代码(请注意,在进程未执行完毕之前,整个线程会阻塞在这里) |
90 | ''' </summary> |
91 | ''' <returns></returns> |
92 | Function Run() As Integer |
93 | End Interface |
94 | |
95 | Public Structure ProcessEx |
96 | Implements IIORedirectAbstract |
97 | |
98 | Public Property Bin As String Implements IIORedirectAbstract.Bin |
99 | Public Property CLIArguments As String Implements IIORedirectAbstract.CLIArguments |
100 | |
101 | Public ReadOnly Property StandardOutput As String Implements IIORedirectAbstract.StandardOutput |
102 | Get |
103 | Throw New NotSupportedException |
104 | End Get |
105 | End Property |
106 | |
107 | Public Event ProcessExit(exitCode As Integer, exitTime As String) Implements IIORedirectAbstract.ProcessExit |
108 | |
109 | Public Overrides Function ToString() As String |
110 | Return Me.GetJson |
111 | End Function |
112 | |
113 | Public Function Run() As Integer Implements IIORedirectAbstract.Run |
114 | Return Start(True) |
115 | End Function |
116 | |
117 | Public Function Start(Optional WaitForExit As Boolean = False) As Integer Implements IIORedirectAbstract.Start |
118 | Dim proc As New Process |
119 | |
120 | Try |
121 | proc.StartInfo = New ProcessStartInfo(Bin, CLIArguments) |
122 | proc.Start() |
123 | Catch ex As Exception |
124 | ex = New Exception(Me.GetJson, ex) |
125 | Throw ex |
126 | End Try |
127 | |
128 | If WaitForExit Then |
129 | Call __wait(proc) |
130 | Return proc.ExitCode |
131 | Else |
132 | Dim h As Action(Of Process) = AddressOf __wait |
133 | Call New Thread(Sub() Call h(proc)).Start() |
134 | Return 0 |
135 | End If |
136 | End Function |
137 | |
138 | Private Sub __wait(proc As Process) |
139 | Call proc.WaitForExit() |
140 | RaiseEvent ProcessExit(proc.ExitCode, Now.ToString) |
141 | End Sub |
142 | End Structure |
143 | End Namespace |