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/* -*- 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "pdu_remove_impl.h"
#include <gnuradio/io_signature.h>
#include <gnuradio/blocks/pdu.h>
namespace gr {
namespace blocks {
pdu_remove::sptr
pdu_remove::make(pmt::pmt_t k)
{
return gnuradio::get_initial_sptr(new pdu_remove_impl(k));
}
pdu_remove_impl::pdu_remove_impl(pmt::pmt_t k)
: block("pdu_remove",
io_signature::make (0, 0, 0),
io_signature::make (0, 0, 0)),
d_k(k)
{
message_port_register_out(pmt::mp("pdus"));
message_port_register_in(pmt::mp("pdus"));
set_msg_handler(pmt::mp("pdus"), boost::bind(&pdu_remove_impl::handle_msg, this, _1));
}
void
pdu_remove_impl::handle_msg(pmt::pmt_t pdu)
{
// add the field and publish
pmt::pmt_t meta = pmt::car(pdu);
if(pmt::is_null(meta)){
meta = pmt::make_dict();
} else if(!pmt::is_dict(meta)){
throw std::runtime_error("pdu_remove received non PDU input");
}
meta = pmt::dict_delete(meta, d_k);
message_port_pub(pmt::mp("pdus"), pmt::cons(meta, pmt::cdr(pdu)));
}
} /* namespace blocks */
}/* namespace gr */
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