/* -*- c++ -*- */
/*
 * Copyright 2012-2013 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.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "ctrlport_probe_c_impl.h"
#include <gr_io_signature.h>

namespace gr {
  namespace blocks {

    ctrlport_probe_c::sptr
    ctrlport_probe_c::make(const std::string &id,
                           const std::string &desc)
    {
      return gnuradio::get_initial_sptr
        (new ctrlport_probe_c_impl(id, desc));
    }

    ctrlport_probe_c_impl::ctrlport_probe_c_impl(const std::string &id,
                                                 const std::string &desc)
      : gr_sync_block("probe_c",
                      gr_make_io_signature(1, 1, sizeof(gr_complex)),
                      gr_make_io_signature(0, 0, 0)),
        d_id(id), d_desc(desc), d_ptr(NULL), d_ptrLen(0)
    {
    }

    ctrlport_probe_c_impl::~ctrlport_probe_c_impl()
    {
    }

    std::vector<gr_complex>
    ctrlport_probe_c_impl::get()
    {
      if(d_ptr != NULL && d_ptrLen > 0) {
        ptrlock.lock();
        std::vector<gr_complex> vec(d_ptr, d_ptr+d_ptrLen);
        ptrlock.unlock();
        return vec;
      }
      else {
        std::vector<gr_complex> vec;
        return vec;
      }
    }

    int
    ctrlport_probe_c_impl::work(int noutput_items,
                                gr_vector_const_void_star &input_items,
                                gr_vector_void_star &output_items)
    {
      const gr_complex *in = (const gr_complex*)input_items[0];

      // keep reference to symbols
      ptrlock.lock();
      d_ptr = in;
      d_ptrLen = noutput_items;
      ptrlock.unlock();
    
      return noutput_items;
    }

    void
    ctrlport_probe_c_impl::setup_rpc()
    {
#ifdef GR_CTRLPORT
      d_rpc_vars.push_back(
        rpcbasic_sptr(new rpcbasic_register_get<ctrlport_probe_c, std::vector<std::complex<float> > >(
          alias(), d_id.c_str(), &ctrlport_probe_c::get, 
          pmt::make_c32vector(0,-2),
          pmt::make_c32vector(0,2),
          pmt::make_c32vector(0,0), 
          "volts", d_desc.c_str(), RPC_PRIVLVL_MIN,
          DISPXY | DISPOPTSCATTER)));
#endif /* GR_CTRLPORT */
    }

  } /* namespace blocks */
} /* namespace gr */