microsoft-visualbasic-runtime/ApplicationServices/Parallel/MMFProtocol/Pipeline/PipeBuffer.vb

85 lines
3.1 KiB
VB.net

#Region "Microsoft.VisualBasic::b1f3ef728f2dca199dec82e0d8a1edb9, Microsoft.VisualBasic.Core\ApplicationServices\Parallel\MMFProtocol\Pipeline\PipeBuffer.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:
' Class PipeBuffer
'
' Properties: byteData, Name
'
' Constructor: (+1 Overloads) Sub New
' Function: Serialize
'
'
' /********************************************************************************/
#End Region
Imports Microsoft.VisualBasic.Language
Imports Microsoft.VisualBasic.Net.Protocols
Imports Microsoft.VisualBasic.Text
Namespace Parallel.MMFProtocol.Pipeline
Public Class PipeBuffer : Inherits RawStream
Public Property Name As String
Public Property byteData As Byte()
Sub New(raw As Byte())
Dim nameLen As Byte() = New Byte(INT32 - 1) {}
Dim p As VBInteger = Scan0
Call Array.ConstrainedCopy(raw, p + INT32, nameLen, Scan0, INT32)
Dim len As Integer = BitConverter.ToInt32(nameLen, Scan0)
Dim name As Byte() = New Byte(len - 1) {}
Call Array.ConstrainedCopy(raw, p + name.Length, name, Scan0, len)
Me.Name = System.Text.Encoding.UTF8.GetString(name)
byteData = New Byte(raw.Length - INT32 - len - 1) {}
Call Array.ConstrainedCopy(raw, p, byteData, Scan0, byteData.Length)
End Sub
Public Overrides Function Serialize() As Byte()
Dim nameBuf As Byte() = UTF8WithoutBOM.GetBytes(Name)
Dim buffer As Byte() = New Byte(INT32 + nameBuf.Length + byteData.Length - 1) {}
Dim nameLen As Byte() = BitConverter.GetBytes(nameBuf.Length)
Dim p As VBInteger = Scan0
Call Array.ConstrainedCopy(nameLen, Scan0, buffer, p + nameLen.Length, nameLen.Length)
Call Array.ConstrainedCopy(nameBuf, Scan0, buffer, p + nameBuf.Length, nameBuf.Length)
Call Array.ConstrainedCopy(byteData, Scan0, buffer, p + byteData.Length, byteData.Length)
Return buffer
End Function
End Class
End Namespace