| 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 |