text: /* -*- c++ -*- */
  /*
   * Copyright 2013 Free Software Foundation, Inc.
   *
   * This file is part of GNU Radio
   *
   * GNU Radio is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 3, or (at your option)
   * any later version.
   *
   * GNU Radio is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with GNU Radio; see the file COPYING.  If not, write to
   * the Free Software Foundation, Inc., 51 Franklin Street,
   * Boston, MA 02110-1301, USA.
   */
  
  #ifndef INCLUDED_CTRLPORT_PROBE2_I_H
  #define INCLUDED_CTRLPORT_PROBE2_I_H
  
  #include <gnuradio/blocks/api.h>
  #include <gnuradio/sync_block.h>
  
  namespace gr {
    namespace blocks {
  
      /*!
       * \brief A ControlPort probe to export vectors of signals.
       * \ingroup measurement_tools_blk
       * \ingroup controlport_blk
       *
       * \details
       * This block acts as a sink in the flowgraph but also exports
       * vectors of complex samples over ControlPort. This block holds
       * the latest \p len number of complex samples so that every query
       * by a ControlPort client will get the same length vector.
       */
      class BLOCKS_API ctrlport_probe2_i : virtual public sync_block
      {
      public:
        // gr::blocks::ctrlport_probe2_i::sptr
        typedef boost::shared_ptr<ctrlport_probe2_i> sptr;
  
        /*!
         * \brief Make a ControlPort probe block.
         * \param id A string ID to name the probe over ControlPort.
         * \param desc A string describing the probe.
         * \param len Number of samples to transmit.
         * \param disp_mask Mask to set default display params.
         */
        static sptr make(const std::string &id, const std::string &desc,
                         int len, unsigned int disp_mask);
  
        virtual std::vector<int> get() = 0;
  
        virtual void set_length(int len) = 0;
        virtual int length() const = 0;
      };
  
    } /* namespace blocks */
  } /* namespace gr */
  
  #endif /* INCLUDED_CTRLPORT_PROBE2_I_H */
  
  