我收到此错误..我知道ip地址无效！但它是一个服务器，它应该只基于端口。
错误=
runProxy @上的错误请求的地址在其上下文中无效 0.0.0.0:7900
有人可以告诉我我做错了吗？
Sub runProxy()
If serverUdpClient IsNot Nothing Then
serverUdpClient.Close()
serverUdpClient = Nothing
End If
If clientUdpClient IsNot Nothing Then
clientUdpClient.Close()
clientUdpClient = Nothing
End If
Try
'Listen for incoming udp connection request.
serverUdpClient = New UdpClient(New IPEndPoint(IPAddress.Any, Int32.Parse(Int(txtListeningPort.Text))))
clientUdpClient = New UdpClient(txtIP.Text, Int32.Parse(Int(txtListeningPort.Text)))
WriteLog("Server started at: " + txtListeningPort.Text)
Dim data As Byte() = New Byte(1023) {}
Dim sender As IPEndPoint = New IPEndPoint(IPAddress.Any, 0)
While True
Application.DoEvents()
If serverUdpClient.Available > 0 Then
data = serverUdpClient.Receive(sender)
'Connect to server.
If clientUdpClient Is Nothing Then
clientUdpClient = New UdpClient(txtIP.Text, Int32.Parse(Int(txtListeningPort.Text)))
clientUdpClient.Connect(txtIP.Text, Int32.Parse(Int(txtListeningPort.Text)))
End If
clientUdpClient.Send(data, data.Length)
End If
If clientUdpClient.Available > 0 Then
data = clientUdpClient.Receive(sender)
serverUdpClient.Connect(New IPEndPoint(IPAddress.Any, Int32.Parse(Int(txtListeningPort.Text))))
serverUdpClient.Send(data, data.Length)
End If
End While
Catch ex As Exception
WriteLog("Errors at runProxy @ " + ex.Message)
End Try
End Sub
P.S.＆GT;我的客户端我连接到127.0.0.1 : 7900 ..
我希望它将连接重新路由到txtIP.text : 7900（txtListeningPort.Text）
答案 0 :(得分：0)
这是一个工作 TCP或UDP重定向器/ UDP代理/ UDP管道/ TCP代理/ TCP管道
我创建了许多不同型号的UDP代理连接保镖，它们似乎都使用标准套接字类松散连接，但是使用UDPClient类这个问题完全消失了。
UDP代理只有25行代码，但功耗和稳定性不在图表中
下面是如何在TCP和UDP中执行此操作的示例
C＃以下代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net.Sockets;
using System.Diagnostics;
using System.Net;
using System.Threading;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
string Address= "*PUT IP ADDRESS HERE WHERE UDP SERVER IS*";
int UDPPort = *PUT UDP SERVER PORT HERE*;
UdpRedirect _UdpRedirect = new UdpRedirect() { _address = Address, _Port = UDPPort};
Thread _Thread = new Thread(_UdpRedirect.Connect);
_Thread.Name = "UDP";
_Thread.Start();
int TCPPort = *PUT TCP PORT HERE FOR TCP PROXY*;
TcpRedirect _TcpRedirect = new TcpRedirect(Address, TCPPort);
}
}
class UdpRedirect
{
public string _address;
public int _Port;
public UdpRedirect()
{
}
public void Connect()
{
UdpClient _UdpClient = new UdpClient(_Port);
int? LocalPort = null;
while (true)
{
IPEndPoint _IPEndPoint = null;
byte[] _bytes = _UdpClient.Receive(ref _IPEndPoint);
if (LocalPort == null) LocalPort = _IPEndPoint.Port;
bool Local = IPAddress.IsLoopback(_IPEndPoint.Address);
string AddressToSend = null;
int PortToSend = 0;
if (Local)
{
AddressToSend = _address;
PortToSend = _Port;
}
else
{
AddressToSend = "127.0.0.1";
PortToSend = LocalPort.Value;
}
_UdpClient.Send(_bytes, _bytes.Length, AddressToSend, PortToSend);
}
}
}
class TcpRedirect
{
public TcpRedirect(string _address, int _Port)
{
TcpListener _TcpListener = new TcpListener(IPAddress.Any, _Port);
_TcpListener.Start();
int i = 0;
while (true)
{
i++;
TcpClient _LocalSocket = _TcpListener.AcceptTcpClient();
NetworkStream _NetworkStreamLocal = _LocalSocket.GetStream();
TcpClient _RemoteSocket = new TcpClient(_address, _Port);
NetworkStream _NetworkStreamRemote = _RemoteSocket.GetStream();
Console.WriteLine("\n<<<<<<<<<connected>>>>>>>>>>>>>");
Client _RemoteClient = new Client("remote" + i)
{
_SendingNetworkStream = _NetworkStreamLocal,
_ListenNetworkStream = _NetworkStreamRemote,
_ListenSocket = _RemoteSocket
};
Client _LocalClient = new Client("local" + i)
{
_SendingNetworkStream = _NetworkStreamRemote,
_ListenNetworkStream = _NetworkStreamLocal,
_ListenSocket = _LocalSocket
};
}
}
public class Client
{
public TcpClient _ListenSocket;
public NetworkStream _SendingNetworkStream;
public NetworkStream _ListenNetworkStream;
Thread _Thread;
public Client(string Name)
{
_Thread = new Thread(new ThreadStart(ThreadStartHander));
_Thread.Name = Name;
_Thread.Start();
}
public void ThreadStartHander()
{
Byte[] data = new byte[99999];
while (true)
{
if (_ListenSocket.Available > 0)
{
int _bytesReaded = _ListenNetworkStream.Read(data, 0, _ListenSocket.Available);
_SendingNetworkStream.Write(data, 0, _bytesReaded);
Console.WriteLine("(((((((" + _bytesReaded + "))))))))))" + _Thread.Name + "\n" + ASCIIEncoding.ASCII.GetString(data, 0, _bytesReaded).Replace((char)7, '?'));
}
Thread.Sleep(10);
}
}
}
}
}
VB.NET 以下代码
Imports System.Collections.Generic
Imports System.Linq
Imports System.Text
Imports System.Net.Sockets
Imports System.Diagnostics
Imports System.Net
Imports System.Threading
Namespace ConsoleApplication1
Class Program
Private Shared Sub Main(args As String())
Dim Address As String = "*PUT IP ADDRESS HERE WHERE UDP SERVER IS*"
Dim UDPPort As Integer = *PUT UDP SERVER PORT HERE*
Dim _UdpRedirect As New UdpRedirect() With { _
Key ._address = Address, _
Key ._Port = UDPPort _
}
Dim _Thread As New Thread(AddressOf _UdpRedirect.Connect)
_Thread.Name = "UDP"
_Thread.Start()
Dim TCPPort As Integer = *PUT TCP SERVER PORT HERE*
Dim _TcpRedirect As New TcpRedirect(Address, TCPPort)
End Sub
End Class
Class UdpRedirect
Public _address As String
Public _Port As Integer
Public Sub New()
End Sub
Public Sub Connect()
Dim _UdpClient As New UdpClient(_Port)
Dim LocalPort As System.Nullable(Of Integer) = Nothing
While True
Dim _IPEndPoint As IPEndPoint = Nothing
Dim _bytes As Byte() = _UdpClient.Receive(_IPEndPoint)
If LocalPort Is Nothing Then
LocalPort = _IPEndPoint.Port
End If
Dim Local As Boolean = IPAddress.IsLoopback(_IPEndPoint.Address)
Dim AddressToSend As String = Nothing
Dim PortToSend As Integer = 0
If Local Then
AddressToSend = _address
PortToSend = _Port
Else
AddressToSend = "127.0.0.1"
PortToSend = LocalPort.Value
End If
_UdpClient.Send(_bytes, _bytes.Length, AddressToSend, PortToSend)
End While
End Sub
End Class
Class TcpRedirect
Public Sub New(_address As String, _Port As Integer)
Dim _TcpListener As New TcpListener(IPAddress.Any, _Port)
_TcpListener.Start()
Dim i As Integer = 0
While True
i += 1
Dim _LocalSocket As TcpClient = _TcpListener.AcceptTcpClient()
Dim _NetworkStreamLocal As NetworkStream = _LocalSocket.GetStream()
Dim _RemoteSocket As New TcpClient(_address, _Port)
Dim _NetworkStreamRemote As NetworkStream = _RemoteSocket.GetStream()
Console.WriteLine(vbLf & "<<<<<<<<<connected>>>>>>>>>>>>>")
Dim _RemoteClient As New Client("remote" + i) With { _
Key ._SendingNetworkStream = _NetworkStreamLocal, _
Key ._ListenNetworkStream = _NetworkStreamRemote, _
Key ._ListenSocket = _RemoteSocket _
}
Dim _LocalClient As New Client("local" + i) With { _
Key ._SendingNetworkStream = _NetworkStreamRemote, _
Key ._ListenNetworkStream = _NetworkStreamLocal, _
Key ._ListenSocket = _LocalSocket _
}
End While
End Sub
Public Class Client
Public _ListenSocket As TcpClient
Public _SendingNetworkStream As NetworkStream
Public _ListenNetworkStream As NetworkStream
Private _Thread As Thread
Public Sub New(Name As String)
_Thread = New Thread(New ThreadStart(AddressOf ThreadStartHander))
_Thread.Name = Name
_Thread.Start()
End Sub
Public Sub ThreadStartHander()
Dim data As [Byte]() = New Byte(99998) {}
While True
If _ListenSocket.Available > 0 Then
Dim _bytesReaded As Integer = _ListenNetworkStream.Read(data, 0, _ListenSocket.Available)
_SendingNetworkStream.Write(data, 0, _bytesReaded)
Console.WriteLine("(((((((" + _bytesReaded + "))))))))))" + _Thread.Name + vbLf + ASCIIEncoding.ASCII.GetString(data, 0, _bytesReaded).Replace(CChar(7), "?"C))
End If
Thread.Sleep(10)
End While
End Sub
End Class
End Class
End Namespace