TcpClient сбрасывает соединение

IPAddress localhost = IPAddress.Parse("127.0.0.1");
TcpListener listener = new TcpListener(localhost, 1330);
listener.Start();
TcpClient client = listener.AcceptTcpClient();
client.Connect(localhost, 1330);

public void OnUpdate(string topic, IPayload data)
{ 
    byte[] bytes = Encoding.Unicode.GetBytes(topic);
    client.GetStream().Write(bytes, 0, bytes.Length);
}

TcpClient client = new TcpClient();
client.Connect("127.0.0.1", 1330);
bool done = false;
while (!done)
{
    //string message = "Test from client";
    //SendMessage(client, message);
    string response = ReadResponse(client);
    //done = response.Equals("BYE");
}

private static string ReadResponse(TcpClient client)
{
    byte[] buffer = new byte[256];
    int totalRead = 0;
    do 
    {
        int read = client.GetStream().Read(buffer, totalRead, buffer.Length - totalRead);
        totalRead += read;
    } while (client.GetStream().DataAvailable);
    return Encoding.Unicode.GetString(buffer, 0, totalRead);
}