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Imports System.IO
Imports Microsoft.VisualBasic.MIME.application.json.BSON
Namespace IpcStream
Public Class SocketRef
Public Property address As String
''' <summary>
''' buffered object is <see cref="ObjectStream"/>
''' </summary>
''' <param name="target"></param>
''' <param name="emit"></param>
''' <returns></returns>
Public Shared Function WriteBuffer(target As Object, Optional emit As StreamEmit = Nothing) As SocketRef
Dim stream As ObjectStream
Dim ref As SocketRef = CreateReference()
If emit Is Nothing Then
stream = New StreamEmit().handleSerialize(target)
Else
stream = emit.handleSerialize(target)
End If
Using file As Stream = ref.address.Open(FileMode.OpenOrCreate, doClear:=True, [readOnly]:=False)
Call stream.Serialize(file)
Call stream.Dispose()
End Using
Return ref
End Function
Public Function Open() As ObjectStream
Using file As Stream = address.Open(FileMode.Open, doClear:=False, [readOnly]:=True)
Return New ObjectStream(file)
End Using
End Function
Public Overrides Function ToString() As String
Return address
End Function
Public Shared Function GetSocket(stream As ObjectStream) As SocketRef
Using file As Stream = stream.openMemoryBuffer
Return BSONFormat.Load(file).CreateObject(GetType(SocketRef))
End Using
End Function
Public Shared Function CreateReference() As SocketRef
Return App.GetAppSysTempFile(".sock", App.PID.ToHexString, prefix:="Parallel")
End Function
Public Shared Widening Operator CType(ref As String) As SocketRef
Return New SocketRef With {.address = ref}
End Operator
End Class
End Namespace