84 lines
2.2 KiB
C++
84 lines
2.2 KiB
C++
/* -*- c++ -*- */
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/*
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* gr-satnogs: SatNOGS GNU Radio Out-Of-Tree Module
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*
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* Copyright (C) 2019, Libre Space Foundation <http://libre.space>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gnuradio/io_signature.h>
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#include "json_converter_impl.h"
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#include <satnogs/metadata.h>
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#include <json/json.h>
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namespace gr {
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namespace satnogs {
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json_converter::sptr
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json_converter::make(const std::string &extra)
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{
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return gnuradio::get_initial_sptr(new json_converter_impl(extra));
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}
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/*
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* The private constructor
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*/
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json_converter_impl::json_converter_impl(const std::string &extra) :
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gr::block("json_converter", gr::io_signature::make(0, 0, 0),
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gr::io_signature::make(0, 0, 0)),
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d_extra(extra)
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{
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message_port_register_in(pmt::mp("in"));
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message_port_register_out(pmt::mp("out"));
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set_msg_handler(pmt::mp("in"),
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boost::bind(&json_converter_impl::convert, this, _1));
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}
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/*
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* Our virtual destructor.
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*/
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json_converter_impl::~json_converter_impl()
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{
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}
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void
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json_converter_impl::convert(pmt::pmt_t m)
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{
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Json::CharReaderBuilder crb;
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Json::CharReader *cr = crb.newCharReader();
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Json::Value extra;
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std::string err;
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Json::Value root = metadata::to_json(m);
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if (cr->parse(d_extra.c_str(), d_extra.c_str() + d_extra.size(), &extra,
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&err)) {
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root["extra"] = extra;
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}
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const std::string &s = root.toStyledString();
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const char *c = s.c_str();
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message_port_pub(pmt::mp("out"), pmt::make_blob(c, s.length()));
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}
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} /* namespace satnogs */
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} /* namespace gr */
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