private void ProxyTcp(TcpClient client)
{
try
{
client.NoDelay = true;
NetworkStream stream = client.GetStream();
if (stream.CanRead)
{
byte[] myReadBuffer = new byte[1024];
StringBuilder sb = new StringBuilder();
int numberOfBytesRead = 0;
do
{
numberOfBytesRead = stream.Read(myReadBuffer, 0, myReadBuffer.Length);
foreach (var item in ToClients)
{
}
} while (stream.DataAvailable);
}
}
catch (Exception ex)
{
UtilesHelper.CWshow("ProxyTcp--" + ex.Message);
//throw;
}
}
public async Task StartTcpProxyAsync(IpPort pIpPort)
{
ipPort = pIpPort;
try
{
if (ipPort.ToIps.Count != ipPort.ToPorts.Count || ipPort.ToPorts.Count == 0)
{
return;
}
if (tcpListener == null)
{
if (string.IsNullOrEmpty(ipPort.FromIp))
{
tcpListener = new TcpListener(IPAddress.Any, ipPort.FromPort);
}
else
{
IPAddress ipa = null;
if (IPAddress.TryParse(ipPort.FromIp, out ipa))
{
tcpListener = new TcpListener(ipa, ipPort.FromPort);
}
}
}
if (tcpListener == null)
{
return;
}
ToClients = new List <TcpClient>();
for (int i = 0; i < ipPort.ToPorts.Count; i++)
{
TcpClient toClient = new TcpClient();
ToClients.Add(toClient);
toClient.Connect(ipPort.ToIps[i], ipPort.ToPorts[i]);
}
tcpListener.Start();
UtilesHelper.CWshow("Tcp开始侦听：" + ipPort.FromIp + ":" + ipPort.FromPort);
var tocken = ctsTcp.Token;
tcpListener.BeginAcceptTcpClient(new AsyncCallback(DoAcceptTcpClientCallback), tcpListener);
while (!tocken.IsCancellationRequested)
{
TcpClient client = await tcpListener.AcceptTcpClientAsync();
for (int i = 0; i < ToClients.Count; i++)
{
if (!ToClients[i].Connected)
{
ToClients[i].ConnectAsync(ipPort.ToIps[i], ipPort.ToPorts[i]);
}
}
ProxyTcp(client);
}
tcpListener.Stop();
}
catch (Exception ex)
{
UtilesHelper.Error(ex);
UtilesHelper.CWshow("StartTcpProxy-" + ex.Message);
}
}