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/* -*- c++ -*- */
/*
 * Copyright 2005,2010,2012-2013 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 "message_debug_impl.h"
#include <gr_io_signature.h>
#include <cstdio>
#include <iostream>

namespace gr {
  namespace blocks {
    
    message_debug::sptr
    message_debug::make()
    {
      return gnuradio::get_initial_sptr
        (new message_debug_impl());
    }

    void
    message_debug_impl::print(pmt::pmt_t msg)
    {
      std::cout << "******* MESSAGE DEBUG PRINT ********\n";
      pmt::pmt_print(msg);
      std::cout << "************************************\n";
    }

    void
    message_debug_impl::store(pmt::pmt_t msg)
    {
      gruel::scoped_lock guard(d_mutex);
      d_messages.push_back(msg);
    }

    void
    message_debug_impl::print_pdu(pmt::pmt_t pdu)
    {
      pmt::pmt_t meta = pmt::pmt_car(pdu);
      pmt::pmt_t vector = pmt::pmt_cdr(pdu);
      std::cout << "* MESSAGE DEBUG PRINT PDU VERBOSE *\n";
      pmt::pmt_print(meta);
      size_t len = pmt::pmt_length(vector);
      std::cout << "pdu_length = " << len << std::endl;
      std::cout << "contents = " << std::endl;
      size_t offset(0);
      const uint8_t* d = (const uint8_t*) pmt_uniform_vector_elements(vector, offset);
      for(size_t i=0; i<len; i+=16){
        printf("%04x: ", ((unsigned int)i));
        for(size_t j=i; j<std::min(i+16,len); j++){
          printf("%02x ",d[j] );
        }

        std::cout << std::endl;
      }

      std::cout << "***********************************\n";
    }

    int
    message_debug_impl::num_messages()
    {
      return (int)d_messages.size();
    }

    pmt::pmt_t
    message_debug_impl::get_message(int i)
    {
      gruel::scoped_lock guard(d_mutex);

      if((size_t)i >= d_messages.size()) {
        throw std::runtime_error("message_debug: index for message out of bounds.\n");
      }

      return d_messages[i];
    }

    message_debug_impl::message_debug_impl()
      : gr_block("message_debug",
                 gr_make_io_signature(0, 0, 0),
                 gr_make_io_signature(0, 0, 0))
    {
      message_port_register_in(pmt::mp("print"));
      set_msg_handler(pmt::mp("print"), boost::bind(&message_debug_impl::print, this, _1));
  
      message_port_register_in(pmt::mp("store"));
      set_msg_handler(pmt::mp("store"), boost::bind(&message_debug_impl::store, this, _1));

      message_port_register_in(pmt::mp("print_pdu"));
      set_msg_handler(pmt::mp("print_pdu"), boost::bind(&message_debug_impl::print_pdu, this, _1));
    }

    message_debug_impl::~message_debug_impl()
    {
    }

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