131 lines
4.3 KiB
VB.net
131 lines
4.3 KiB
VB.net
#Region "Microsoft.VisualBasic::e9f030b2f16f184bddf132eb9efd5724, Microsoft.VisualBasic.Core\Net\Tcp\StateObject.vb"
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' Author:
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'
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' asuka (amethyst.asuka@gcmodeller.org)
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' xie (genetics@smrucc.org)
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' xieguigang (xie.guigang@live.com)
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'
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' Copyright (c) 2018 GPL3 Licensed
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'
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'
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' GNU GENERAL PUBLIC LICENSE (GPL3)
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'
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'
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' This program is free software: you can redistribute it and/or modify
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' it under the terms of the GNU General Public License as published by
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' the Free Software Foundation, either version 3 of the License, or
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' (at your option) any later version.
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'
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' This program is distributed in the hope that it will be useful,
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' but WITHOUT ANY WARRANTY; without even the implied warranty of
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' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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' GNU General Public License for more details.
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'
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' You should have received a copy of the GNU General Public License
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' along with this program. If not, see <http://www.gnu.org/licenses/>.
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' /********************************************************************************/
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' Summaries:
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' Class StateObject
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'
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' Function: GetRequest, ToString
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'
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' Sub: (+2 Overloads) Dispose
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'
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'
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' /********************************************************************************/
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#End Region
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Imports System.Net.Sockets
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Imports Microsoft.VisualBasic.Net.Protocols
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Namespace Net.Tcp
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''' <summary>
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''' State object for reading client data asynchronously
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''' </summary>
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''' <remarks></remarks>
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Public Class StateObject : Implements IDisposable
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''' <summary>
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''' Size of receive buffer.
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''' </summary>
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''' <remarks></remarks>
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Public Const BufferSize As Integer = 1024 * 1024
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''' <summary>
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''' Client socket.
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''' </summary>
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''' <remarks></remarks>
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Public workSocket As Socket
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''' <summary>
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''' Receive buffer.
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''' </summary>
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''' <remarks></remarks>
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Public readBuffer(BufferSize) As Byte
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''' <summary>
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''' Received data.
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''' </summary>
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''' <remarks></remarks>
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Public received As New List(Of Byte)
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Public Overrides Function ToString() As String
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Return workSocket.RemoteEndPoint.ToString & " <==> " & workSocket.LocalEndPoint.ToString
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End Function
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Public Function GetRequest() As RequestStream
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Return New RequestStream(received.ToArray)
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End Function
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#Region "IDisposable Support"
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Protected disposedValue As Boolean ' To detect redundant calls
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' IDisposable
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Protected Overridable Sub Dispose(disposing As Boolean)
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If Not disposedValue Then
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If disposing Then
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On Error Resume Next
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Dim ep As String = workSocket.RemoteEndPoint.ToString
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' TODO: dispose managed state (managed objects).
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Call received.Clear()
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Call received.Free
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Call readBuffer.Free
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Call workSocket.Shutdown(SocketShutdown.Both)
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Call workSocket.Free
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Call Console.WriteLine($"[DEBUG {Now.ToString}] Socket {ep} clean up!")
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End If
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' TODO: free unmanaged resources (unmanaged objects) and override Finalize() below.
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' TODO: set large fields to null.
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End If
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disposedValue = True
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End Sub
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' TODO: override Finalize() only if Dispose(disposing As Boolean) above has code to free unmanaged resources.
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'Protected Overrides Sub Finalize()
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' ' Do not change this code. Put cleanup code in Dispose(disposing As Boolean) above.
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' Dispose(False)
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' MyBase.Finalize()
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'End Sub
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' This code added by Visual Basic to correctly implement the disposable pattern.
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Public Sub Dispose() Implements IDisposable.Dispose
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' Do not change this code. Put cleanup code in Dispose(disposing As Boolean) above.
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Dispose(True)
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' TODO: uncomment the following line if Finalize() is overridden above.
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' GC.SuppressFinalize(Me)
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End Sub
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#End Region
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End Class
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End Namespace
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