1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/* -*- c++ -*- */
/*
* Copyright 2013 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "pdu_set_impl.h"
#include <gnuradio/blocks/pdu.h>
#include <gnuradio/io_signature.h>
namespace gr {
namespace blocks {
pdu_set::sptr pdu_set::make(pmt::pmt_t k, pmt::pmt_t v)
{
return gnuradio::get_initial_sptr(new pdu_set_impl(k, v));
}
pdu_set_impl::pdu_set_impl(pmt::pmt_t k, pmt::pmt_t v)
: block("pdu_set", io_signature::make(0, 0, 0), io_signature::make(0, 0, 0)),
d_k(k),
d_v(v)
{
message_port_register_out(pdu::pdu_port_id());
message_port_register_in(pdu::pdu_port_id());
set_msg_handler(pdu::pdu_port_id(),
std::bind(&pdu_set_impl::handle_msg, this, std::placeholders::_1));
}
void pdu_set_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_set received non PDU input");
}
meta = pmt::dict_add(meta, d_k, d_v);
message_port_pub(pdu::pdu_port_id(), pmt::cons(meta, pmt::cdr(pdu)));
}
} /* namespace blocks */
} /* namespace gr */
|
