1 | #Region "Microsoft.VisualBasic::2c82045a56ccf9a6611a6f19d9df9155, Microsoft.VisualBasic.Core\ApplicationServices\Terminal\PipelineCLI.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 | ' Module PipelineCLI |
35 | ' |
36 | ' Sub: Start |
37 | ' |
38 | ' |
39 | ' /********************************************************************************/ |
40 | |
41 | #End Region |
42 | |
43 | Imports System.IO |
44 | Imports System.Runtime.CompilerServices |
45 | |
46 | Namespace Terminal |
47 | |
48 | ''' <summary> |
49 | ''' a | b - 管道命令在读写方面更加适合于文本数据,由于省去了IO的时间,故而效率较高 |
50 | ''' </summary> |
51 | Public Module PipelineCLI |
52 | |
53 | ''' <summary> |
54 | ''' 使用管道的方法启动下游的应用程序 |
55 | ''' </summary> |
56 | ''' <param name="app"></param> |
57 | ''' <param name="args"></param> |
58 | ''' <remarks> |
59 | ''' http://stackoverflow.com/questions/30546522/how-to-use-a-pipe-between-two-processes-in-process-start |
60 | ''' |
61 | ''' let the OS do it. ``StartInfo.FileName = "cmd"`` then prepend ``executablepath`` to params so it looks |
62 | ''' the way you would enter it in a command window; |
63 | ''' ``StartInfo.Arguments = params`` then start the process |
64 | ''' |
65 | ''' – Plutonix May 30 '15 at 15:13 |
66 | ''' </remarks> |
67 | ''' |
68 | <Extension> |
69 | Public Sub Start(buf As Stream, app As String, Optional args As String = "") |
70 | Dim Proc As New Process |
71 | |
72 | Proc.StartInfo.CreateNoWindow = True |
73 | Proc.StartInfo.UseShellExecute = False |
74 | Proc.StartInfo.FileName = app |
75 | Proc.StartInfo.RedirectStandardOutput = True |
76 | Proc.StartInfo.RedirectStandardError = True |
77 | Proc.StartInfo.RedirectStandardInput = True |
78 | |
79 | Proc.Start() |
80 | |
81 | Using writer As New BinaryWriter(Proc.StandardInput.BaseStream) |
82 | Dim read As New BinaryReader(buf) |
83 | |
84 | Do While True |
85 | Dim bufs As Byte() = read.ReadBytes(1024) |
86 | Call writer.Write(bufs, Scan0, bufs.Length) |
87 | Loop |
88 | |
89 | Call writer.Flush() |
90 | Call writer.Close() |
91 | End Using |
92 | |
93 | Call Proc.WaitForExit() |
94 | End Sub |
95 | End Module |
96 | End Namespace |