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#Region "Microsoft.VisualBasic::c7e5d5558513409f3f728fd33f28bbe2, Distribute_computing\thinking\CLI.vb"
' Author:
'
' asuka (amethyst.asuka@gcmodeller.org)
' xie (genetics@smrucc.org)
' xieguigang (xie.guigang@live.com)
'
' Copyright (c) 2018 GPL3 Licensed
'
'
' GNU GENERAL PUBLIC LICENSE (GPL3)
'
'
' This program is free software: you can redistribute it and/or modify
' it under the terms of the GNU General Public License as published by
' the Free Software Foundation, either version 3 of the License, or
' (at your option) any later version.
'
' This program is distributed in the hope that it will be useful,
' but WITHOUT ANY WARRANTY; without even the implied warranty of
' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
' GNU General Public License for more details.
'
' You should have received a copy of the GNU General Public License
' along with this program. If not, see <http://www.gnu.org/licenses/>.
' /********************************************************************************/
' Summaries:
' Module CLI
'
' Function: RunServices, Slave
'
' /********************************************************************************/
#End Region
Imports System.ComponentModel
Imports System.IO
Imports Microsoft.VisualBasic.CommandLine
Imports Microsoft.VisualBasic.CommandLine.InteropService.SharedORM
Imports Microsoft.VisualBasic.CommandLine.Reflection
Imports Microsoft.VisualBasic.Serialization.JSON
Imports Microsoft.VisualBasic.Text
Imports sciBASIC.ComputingServices
Imports sciBASIC.ComputingServices.TaskHost
<CLI> Module CLI
''' <summary>
''' Run current program as grid node service process.
''' </summary>
''' <param name="args"></param>
''' <returns></returns>
Public Function RunServices(args As CommandLine) As Integer
End Function
''' <summary>
''' 在并行计算中,多进程的计算效率要高于多线程的应用程序
''' 可以将任务分解,然后通过调用这个函数创建多进程的并行计算任务
''' </summary>
''' <param name="args"></param>
''' <returns></returns>
''' <remarks>
''' Use for create parallel in multiple-process mode
''' </remarks>
<ExportAPI("/slave")>
<Description("Program running in slave mode, apply for the multiple-process parallel.")>
<Usage("/slave /application <invokeinfo/json_base64> /out <memory_mapfile>")>
Public Function Slave(args As CommandLine) As Integer
Dim endpointJSON$ = args("/application").Base64Decode
VBDebugger.Mute = True
Dim invokeInfo As InvokeInfo = endpointJSON.LoadJSON(Of InvokeInfo)
Dim result As Rtvl = RemoteCall.Invoke(invokeInfo)
Dim resultJSON = result.GetJson
Dim jsonBytes As Byte() = Encodings.UTF8WithoutBOM.CodePage.GetBytes(resultJSON)
Using output As StreamWriter = args.OpenStreamOutput("/out", size:=jsonBytes.Length)
Call output.BaseStream.Write(jsonBytes, Scan0, jsonBytes.Length)
Call output.BaseStream.Write({CByte(0)}, Scan0, 1)
End Using
Return 0
End Function
End Module