Ros_CSharp.TcpTransport.enableRead C# (CSharp) Method

        public void enableRead()
        {
            if (sock == null)
                return;
            if (!sock.Connected)
                close();
            lock (close_mutex)
            {
                if (closed) return;
            }
            if (!expecting_read && poll_set != null)
            {
                //Console.WriteLine("ENABLE READ:   " + Topic + "(" + sock.FD + ")");
                expecting_read = true;
                poll_set.addEvents(sock, POLLIN);
            }
        }

 public void read(uint size, ReadFinishedFunc finished_func)
 {
     if (dropped || sendingHeaderError)
     {
         return;
     }
     lock (read_mutex)
     {
         if (read_callback != null)
         {
             throw new Exception("NOYOUBLO");
         }
         read_callback = finished_func;
         if (size == 4)
         {
             read_buffer = length_buffer;
         }
         else
         {
             if (real_read_buffer == null || real_read_buffer.Length != size)
             {
                 real_read_buffer = new byte[size];
             }
             read_buffer = real_read_buffer;
         }
         read_size   = size;
         read_filled = 0;
         transport.enableRead();
         readTransport();
     }
 }