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/* -*- c++ -*- */
/*
* Copyright 2006,2009,2013 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 "copy_impl.h"
#include <gnuradio/io_signature.h>
#include <cstring>
namespace gr {
namespace blocks {
copy::sptr copy::make(size_t itemsize)
{
return gnuradio::make_block_sptr<copy_impl>(itemsize);
}
copy_impl::copy_impl(size_t itemsize)
: block("copy",
io_signature::make(1, -1, itemsize),
io_signature::make(1, -1, itemsize)),
d_itemsize(itemsize),
d_enabled(true)
{
message_port_register_in(pmt::mp("en"));
set_msg_handler(pmt::mp("en"), [this](pmt::pmt_t msg) { this->handle_enable(msg); });
}
copy_impl::~copy_impl() {}
void copy_impl::handle_enable(pmt::pmt_t msg)
{
if (pmt::is_bool(msg)) {
bool en = pmt::to_bool(msg);
d_enabled = en;
}
}
void copy_impl::forecast(int noutput_items, gr_vector_int& ninput_items_required)
{
unsigned ninputs = ninput_items_required.size();
for (unsigned i = 0; i < ninputs; i++)
ninput_items_required[i] = noutput_items;
}
bool copy_impl::check_topology(int ninputs, int noutputs) { return ninputs == noutputs; }
int copy_impl::general_work(int noutput_items,
gr_vector_int& ninput_items,
gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items)
{
const uint8_t** in = (const uint8_t**)&input_items[0];
uint8_t** out = (uint8_t**)&output_items[0];
int n = 0;
if (d_enabled) {
int ninputs = input_items.size();
for (int i = 0; i < ninputs; i++) {
memcpy(out[i], in[i], noutput_items * d_itemsize);
}
n = noutput_items;
}
consume_each(noutput_items);
return n;
}
void copy_impl::setup_rpc()
{
#ifdef GR_CTRLPORT
add_rpc_variable(rpcbasic_sptr(new rpcbasic_register_handler<copy>(
alias(), "en", "", "Enable", RPC_PRIVLVL_MIN, DISPNULL)));
#endif /* GR_CTRLPORT */
}
} /* namespace blocks */
} /* namespace gr */
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