| 1 | #Region "Microsoft.VisualBasic::f904cc12c9573031dc19c48f2dbceff8, Microsoft.VisualBasic.Core\Net\Tcp\StateObject.vb" |
| 2 | |
| 3 | ' Author: |
| 4 | ' |
| 5 | ' asuka (amethyst.asuka@gcmodeller.org) |
| 6 | ' xie (genetics@smrucc.org) |
| 7 | ' xieguigang (xie.guigang@live.com) |
| 8 | ' |
| 9 | ' Copyright (c) 2018 GPL3 Licensed |
| 10 | ' |
| 11 | ' |
| 12 | ' GNU GENERAL PUBLIC LICENSE (GPL3) |
| 13 | ' |
| 14 | ' |
| 15 | ' This program is free software: you can redistribute it and/or modify |
| 16 | ' it under the terms of the GNU General Public License as published by |
| 17 | ' the Free Software Foundation, either version 3 of the License, or |
| 18 | ' (at your option) any later version. |
| 19 | ' |
| 20 | ' This program is distributed in the hope that it will be useful, |
| 21 | ' but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 22 | ' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 23 | ' GNU General Public License for more details. |
| 24 | ' |
| 25 | ' You should have received a copy of the GNU General Public License |
| 26 | ' along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 27 | |
| 28 | |
| 29 | |
| 30 | ' /********************************************************************************/ |
| 31 | |
| 32 | ' Summaries: |
| 33 | |
| 34 | ' Class StateObject |
| 35 | ' |
| 36 | ' Function: GetRequest, ToString |
| 37 | ' |
| 38 | ' Sub: (+2 Overloads) Dispose |
| 39 | ' |
| 40 | ' |
| 41 | ' /********************************************************************************/ |
| 42 | |
| 43 | #End Region |
| 44 | |
| 45 | Imports System.Net.Sockets |
| 46 | Imports Microsoft.VisualBasic.Net.Protocols |
| 47 | |
| 48 | Namespace Net.Tcp |
| 49 | |
| 50 | ''' <summary> |
| 51 | ''' State object for reading client data asynchronously |
| 52 | ''' </summary> |
| 53 | ''' <remarks></remarks> |
| 54 | Public Class StateObject : Implements IDisposable |
| 55 | |
| 56 | ''' <summary> |
| 57 | ''' Client socket. |
| 58 | ''' </summary> |
| 59 | ''' <remarks></remarks> |
| 60 | Public workSocket As Socket |
| 61 | ''' <summary> |
| 62 | ''' Size of receive buffer. |
| 63 | ''' </summary> |
| 64 | ''' <remarks></remarks> |
| 65 | Public Const BufferSize As Integer = 1024 * 1024 |
| 66 | ''' <summary> |
| 67 | ''' Receive buffer. |
| 68 | ''' </summary> |
| 69 | ''' <remarks></remarks> |
| 70 | Public readBuffer(BufferSize) As Byte |
| 71 | ''' <summary> |
| 72 | ''' Received data. |
| 73 | ''' </summary> |
| 74 | ''' <remarks></remarks> |
| 75 | Public ChunkBuffer As New List(Of Byte) |
| 76 | |
| 77 | Public Overrides Function ToString() As String |
| 78 | Return workSocket.RemoteEndPoint.ToString & " <=====> " & workSocket.LocalEndPoint.ToString |
| 79 | End Function |
| 80 | |
| 81 | Public Function GetRequest() As RequestStream |
| 82 | Return New RequestStream(ChunkBuffer.ToArray) |
| 83 | End Function |
| 84 | |
| 85 | #Region "IDisposable Support" |
| 86 | Protected disposedValue As Boolean ' To detect redundant calls |
| 87 | |
| 88 | ' IDisposable |
| 89 | Protected Overridable Sub Dispose(disposing As Boolean) |
| 90 | If Not disposedValue Then |
| 91 | If disposing Then |
| 92 | |
| 93 | On Error Resume Next |
| 94 | |
| 95 | Dim ep As String = workSocket.RemoteEndPoint.ToString |
| 96 | |
| 97 | ' TODO: dispose managed state (managed objects). |
| 98 | Call ChunkBuffer.Clear() |
| 99 | Call ChunkBuffer.Free |
| 100 | Call readBuffer.Free |
| 101 | Call workSocket.Shutdown(SocketShutdown.Both) |
| 102 | Call workSocket.Free |
| 103 | |
| 104 | Call Console.WriteLine($"[DEBUG {Now.ToString}] Socket {ep} clean up!") |
| 105 | End If |
| 106 | |
| 107 | ' TODO: free unmanaged resources (unmanaged objects) and override Finalize() below. |
| 108 | ' TODO: set large fields to null. |
| 109 | End If |
| 110 | disposedValue = True |
| 111 | End Sub |
| 112 | |
| 113 | ' TODO: override Finalize() only if Dispose(disposing As Boolean) above has code to free unmanaged resources. |
| 114 | 'Protected Overrides Sub Finalize() |
| 115 | ' ' Do not change this code. Put cleanup code in Dispose(disposing As Boolean) above. |
| 116 | ' Dispose(False) |
| 117 | ' MyBase.Finalize() |
| 118 | 'End Sub |
| 119 | |
| 120 | ' This code added by Visual Basic to correctly implement the disposable pattern. |
| 121 | Public Sub Dispose() Implements IDisposable.Dispose |
| 122 | ' Do not change this code. Put cleanup code in Dispose(disposing As Boolean) above. |
| 123 | Dispose(True) |
| 124 | ' TODO: uncomment the following line if Finalize() is overridden above. |
| 125 | ' GC.SuppressFinalize(Me) |
| 126 | End Sub |
| 127 | #End Region |
| 128 | End Class |
| 129 | End Namespace |