193 lines
5.3 KiB
C++
193 lines
5.3 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) 2016,2017,2019 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 "multi_format_msg_sink_impl.h"
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#include <satnogs/base64.h>
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#include <satnogs/metadata.h>
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#include <ctime>
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#include <iostream>
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#include <iomanip>
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namespace gr {
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namespace satnogs {
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multi_format_msg_sink::sptr
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multi_format_msg_sink::make(size_t format,
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bool timestamp,
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bool out_stdout,
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const std::string &filepath)
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{
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return gnuradio::get_initial_sptr(
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new multi_format_msg_sink_impl(format, timestamp,
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out_stdout, filepath));
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}
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void
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multi_format_msg_sink_impl::msg_handler_file(pmt::pmt_t msg)
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{
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const char *su;
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size_t len;
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std::string s;
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char buf[256];
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/* Check if the message contains the legacy or the new format */
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if (pmt::is_dict(msg)) {
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pmt::pmt_t pdu = pmt::dict_ref(msg, pmt::mp(metadata::value(metadata::PDU)),
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pmt::PMT_NIL);
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su = (const char *) pmt::blob_data(pdu);
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s = std::string((const char *) pmt::blob_data(pdu), pmt::blob_length(pdu));
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len = pmt::blob_length(pdu);
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}
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else {
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su = (const char *) pmt::blob_data(msg), pmt::blob_length(msg);
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s = std::string((const char *) pmt::blob_data(msg), pmt::blob_length(msg));
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len = pmt::blob_length(msg);
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}
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if (d_timestamp) {
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std::time_t t = std::time(nullptr);
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std::tm tm = *std::localtime(&t);
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strftime(buf, sizeof(buf), "%F %T %z", &tm);
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d_fos << "[" << buf << "]";
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}
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switch (d_format) {
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case 0:
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d_fos << s << std::endl;
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break;
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case 1:
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for (size_t i = 0; i < len; i++) {
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d_fos << "0x" << std::hex << std::setw(2) << std::setfill('0')
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<< (uint32_t) su[i] << " ";
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}
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d_fos << std::endl;
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break;
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case 2:
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for (size_t i = 0; i < len; i++) {
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d_fos << "0b" << std::bitset<8> (su[i]) << " ";
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}
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d_fos << std::endl;
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break;
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default:
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throw std::invalid_argument("Invalid format");
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}
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}
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void
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multi_format_msg_sink_impl::msg_handler_stdout(pmt::pmt_t msg)
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{
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const char *su;
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size_t len;
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std::string s;
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char buf[256];
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/* Check if the message contains the legacy or the new format */
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/* Check if the message contains the legacy or the new format */
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if (pmt::is_dict(msg)) {
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pmt::pmt_t pdu = pmt::dict_ref(msg, pmt::mp(metadata::value(metadata::PDU)),
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pmt::PMT_NIL);
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s = base64_decode(std::string((const char *) pmt::blob_data(pdu),
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pmt::blob_length(pdu)));
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su = s.c_str();
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len = s.size();
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}
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else {
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su = (const char *) pmt::blob_data(msg), pmt::blob_length(msg);
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s = std::string((const char *) pmt::blob_data(msg), pmt::blob_length(msg));
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len = pmt::blob_length(msg);
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}
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if (d_timestamp) {
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std::time_t t = std::time(nullptr);
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std::tm tm = *std::localtime(&t);
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strftime(buf, sizeof(buf), "%F %T %z", &tm);
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std::cout << "[" << buf << "]";
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}
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switch (d_format) {
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case 0: // binary
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for (size_t i = 0; i < len; i++) {
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std::cout << s[i];
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}
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std::cout << std::endl;
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break;
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case 1: // hex annotated
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for (size_t i = 0; i < len; i++) {
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std::cout << "0x" << std::hex << std::setw(2) << std::setfill('0')
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<< (uint32_t) su[i] << " ";
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}
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std::cout << std::endl;
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break;
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case 2: // binary annotated
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for (size_t i = 0; i < len; i++) {
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std::cout << "0b" << std::bitset<8> (su[i]) << " ";
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}
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std::cout << std::endl;
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break;
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default:
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throw std::invalid_argument("Invalid format");
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}
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}
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/*
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* The private constructor
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*/
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multi_format_msg_sink_impl::multi_format_msg_sink_impl(
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size_t format, bool timestamp, bool out_stdout,
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const std::string &filepath) :
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gr::block("multi_format_msg_sink",
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gr::io_signature::make(0, 0, 0),
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gr::io_signature::make(0, 0, 0)),
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d_format(format),
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d_timestamp(timestamp),
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d_stdout(out_stdout)
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{
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message_port_register_in(pmt::mp("in"));
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if (out_stdout) {
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set_msg_handler(
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pmt::mp("in"),
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boost::bind(&multi_format_msg_sink_impl::msg_handler_stdout,
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this, _1));
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}
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else {
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d_fos.open(filepath);
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set_msg_handler(
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pmt::mp("in"),
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boost::bind(&multi_format_msg_sink_impl::msg_handler_file,
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this, _1));
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}
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}
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multi_format_msg_sink_impl::~multi_format_msg_sink_impl()
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{
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if (!d_stdout) {
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d_fos.close();
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}
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}
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} /* namespace satnogs */
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} /* namespace gr */
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