UDP: Server receives packets from a client, then echoes packets back to clients : UDP Server « Network Remote « VB.Net

Home
VB.Net
1.2D
2.Application
3.Class
4.Data Structure
5.Data Types
6.Database ADO.net
7.Date Time
8.Development
9.Event
10.File Directory
11.Generics
12.GUI
13.Internationalization I18N
14.Language Basics
15.LINQ
16.Network Remote
17.Reflection
18.Security
19.Thread
20.Windows Presentation Foundation
21.Windows System
22.XML
23.XML LINQ
VB.Net Tutorial
VB.Net by API
VB.Net » Network Remote » UDP ServerScreenshots 
UDP: Server receives packets from a client, then echoes packets back to clients

Imports System.Threading
Imports System.Net.Sockets
Imports System.IO
Imports System.Net


Public Class MainClass
   Shared Dim client As UdpClient
   Shared Dim receivePoint As IPEndPoint

   Public Shared Sub Main()

       client = New UdpClient(5000)
    
       receivePoint = New IPEndPoint(New IPAddress(0)0)
    
       Dim readThread As Thread = New Thread(New ThreadStart(AddressOf WaitForPackets))
    
       readThread.Start() ' wait for packets
   End Sub

   Shared Public Sub WaitForPackets()
      While True
         Dim data As Byte() = client.Receive(receivePoint)
         Console.WriteLine("Packet received:" & _
            vbCrLf & "Length: " & data.Length & vbCrLf & _
            "Containing: " & _
            System.Text.Encoding.ASCII.GetString(data) )

         Console.WriteLine("Echo data back to client...")

         client.Send(data, data.Length, receivePoint)
         Console.WriteLine("Packet sent")
      End While
   End Sub 
   
End Class


           
       
Related examples in the same category
w__w_w__.___j_av__a2__s_.__c___o__m__ | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.