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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 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 <json_base64> /arguments <memory_mapfile> /out <memory_mapfile>")>
Public Function Slave(args As CommandLine) As Integer
Dim endpointJSON$ = args("/application").Base64Decode
Dim parametersJSON$ = args.OpenStreamInput("/arguments").ReadToEnd
' 在slave模式下,不会产生任何在终端上的信息输出
VBDebugger.Mute = True
Dim invokeInfo As InvokeInfo = endpointJSON.LoadJSON(Of InvokeInfo)
Dim result As Rtvl = RemoteCall.Invoke(invokeInfo)
Using output As StreamWriter = args.OpenStreamOutput("/out")
Call output.WriteLine(result)
End Using
Return 0
End Function
End Module