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/* -*- c++ -*- */
/* Copyright 2012 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 "packet_headergenerator_bb_impl.h"
#include <gnuradio/io_signature.h>
#include <boost/format.hpp>
namespace gr {
namespace digital {
packet_headergenerator_bb::sptr
packet_headergenerator_bb::make(const packet_header_default::sptr& header_formatter,
const std::string& len_tag_key)
{
return gnuradio::get_initial_sptr(
new packet_headergenerator_bb_impl(header_formatter, len_tag_key));
}
packet_headergenerator_bb::sptr
packet_headergenerator_bb::make(long header_len, const std::string& len_tag_key)
{
const packet_header_default::sptr header_formatter(
new packet_header_default(header_len, len_tag_key));
return gnuradio::get_initial_sptr(
new packet_headergenerator_bb_impl(header_formatter, len_tag_key));
}
packet_headergenerator_bb_impl::packet_headergenerator_bb_impl(
const gr::digital::packet_header_default::sptr& header_formatter,
const std::string& len_tag_key)
: tagged_stream_block("packet_headergenerator_bb_impl",
io_signature::make(1, 1, sizeof(char)),
io_signature::make(1, 1, sizeof(char)),
len_tag_key),
d_formatter(header_formatter)
{
set_output_multiple(d_formatter->header_len());
// This is the worst case rate, because we don't know the true value, of course
set_relative_rate((uint64_t)d_formatter->header_len(), 1);
set_tag_propagation_policy(TPP_DONT);
}
void packet_headergenerator_bb_impl::set_header_formatter(
packet_header_default::sptr header_formatter)
{
gr::thread::scoped_lock guard(d_setlock);
d_formatter = header_formatter;
}
packet_headergenerator_bb_impl::~packet_headergenerator_bb_impl() {}
int packet_headergenerator_bb_impl::work(int noutput_items,
gr_vector_int& ninput_items,
gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items)
{
gr::thread::scoped_lock guard(d_setlock);
unsigned char* out = (unsigned char*)output_items[0];
std::vector<tag_t> tags;
get_tags_in_range(tags, 0, nitems_read(0), nitems_read(0) + ninput_items[0]);
if (!d_formatter->header_formatter(ninput_items[0], out, tags)) {
GR_LOG_FATAL(d_logger,
boost::format("header_formatter() returned false (this shouldn't "
"happen). Offending header started at %1%") %
nitems_read(0));
throw std::runtime_error("header formatter returned false.");
}
return d_formatter->header_len();
}
} /* namespace digital */
} /* namespace gr */
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