capture browser traffic and resend it

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browser

hi every body. i want capture browser traffic and resend it also i want get response stream and resend it to browser. everything is ok but in some case the result webpage dose not appear correctly.

its my first function :

private void StartHttpListening()
   {
       while (true)
       {
           TcpListener tcpListener = new TcpListener(IPAddress.Any, 9090);

           tcpListener.Start();
           TcpClient tcpClient = tcpListener.AcceptTcpClient();
           NetworkStream browserStream = tcpClient.GetStream();
           tcpListener.Stop();
           Thread thr = new Thread(new ParameterizedThreadStart(ListenToHTTPStream));
           thr.IsBackground = true;
           thr.Start(browserStream);
       }
   }

i use this function for get request from browser

private void ListenToHTTPStream(object netStreamObj)
    {
        NetworkStream netStream = (NetworkStream)netStreamObj;
        byte[] requestByte = new byte[65535];

        int readLenght = 0;

        readLenght = netStream.Read(requestByte, 0, 65535);
        GetHTTPResp(netStream, requestByte);

    }

i use this function for get response from server and send it too my browser:

private void GetHTTPResp(NetworkStream browserStream, byte[] requestByte)
    {
        string hostName = GetHostName(requestByte); // return host name from http request command. for example : wwww.yahoo.com

        if (hostName == null) return;

        TcpClient serverConnection;
        try
        {
            serverConnection = new TcpClient(hostName, 80);
        }
        catch { return; }


        byte[] requestBuffer = Encoding.UTF8.GetBytes(Encoding.UTF8.GetString(requestByte));
        NetworkStream serverStream = serverConnection.GetStream();

        serverStream.Write(requestBuffer, 0, requestBuffer.Length);

        byte[] readBuffer = new byte[65535 * 200];

        int numberOfBytesRead = 0;
        int zeroReadTime = 0;
        string s = "";
        while (true)
        {
            try
            {
                numberOfBytesRead = serverStream.Read(readBuffer, 0, 65536);
               Thread.Sleep(50);
                if (numberOfBytesRead == 0)
                {
                    zeroReadTime++;
                }
                else
                {
                    browserStream.Write(readBuffer, 0, numberOfBytesRead);
                    zeroReadTime = 0;
                }

                if (zeroReadTime == 20)
                {
                    browserStream.Close();
                    serverStream.Close();
                    serverConnection.Close();

                    return;
                }
            }
            catch
            {
                browserStream.Close();
                serverStream.Close();
                serverConnection.Close();

                return;
            }
        }

        browserStream.Close();
        serverStream.Close();
        serverConnection.Close();

    }