146 lines
3.9 KiB
C++
146 lines
3.9 KiB
C++
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/* -*- 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) 2017, Libre Space Foundation <http://librespacefoundation.org/>
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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 "frame_file_sink_impl.h"
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namespace gr
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{
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namespace satnogs
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{
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frame_file_sink::sptr
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frame_file_sink::make (const std::string& prefix_name, int output_type)
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{
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return gnuradio::get_initial_sptr (
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new frame_file_sink_impl (prefix_name, output_type));
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}
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/*
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* The private constructor
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*/
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frame_file_sink_impl::frame_file_sink_impl (const std::string& prefix_name,
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int output_type) :
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gr::block ("frame_file_sink", gr::io_signature::make (0, 0, 0),
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gr::io_signature::make (0, 0, 0)),
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d_prefix_name (prefix_name),
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d_output_type (output_type)
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{
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message_port_register_in (pmt::mp ("frame"));
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set_msg_handler (
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pmt::mp ("frame"),
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boost::bind (&frame_file_sink_impl::msg_handler_frame, 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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frame_file_sink_impl::~frame_file_sink_impl ()
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{
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}
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void
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frame_file_sink_impl::msg_handler_frame (pmt::pmt_t msg)
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{
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/* check for the current UTC time */
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std::stringstream tmp_time;
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std::time_t t = std::time (nullptr);
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tmp_time << std::put_time (std::gmtime (&t), "%FT%H-%M-%S");
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std::string time2string = tmp_time.str ();
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/* create name of the file according prefix and timestamp */
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std::string filename;
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filename.append (d_prefix_name);
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filename.append ("_");
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filename.append (time2string);
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uint8_t *su;
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switch (d_output_type)
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{
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case 0:
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{
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/* add .txt to filename */
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filename.append (".txt");
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FILE *fd = fopen (filename.c_str (), "w");
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if (fd == NULL) {
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throw std::invalid_argument ("Error opening file");
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}
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fwrite ((const char *) pmt::blob_data (msg), pmt::blob_length (msg),
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1, fd);
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fclose (fd);
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break;
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}
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case 1:
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{
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/* add .hex to filename */
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filename.append (".hex");
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FILE *fd = fopen (filename.c_str (), "w");
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if (fd == NULL) {
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throw std::invalid_argument ("Error opening file");
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}
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su = (uint8_t *) pmt::blob_data (msg);
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std::stringstream tmp_hex;
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for (size_t i = 0; i < pmt::blob_length (msg); i++) {
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tmp_hex << std::hex << std::showbase << std::setw (4)
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<< (uint32_t) su[i] << " ";
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}
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std::string str_hex = tmp_hex.str ();
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fprintf (fd, "%s", str_hex.c_str ());
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fclose (fd);
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break;
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}
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case 2:
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{
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/* add .bin to filename */
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filename.append (".bin");
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FILE *fd = fopen (filename.c_str (), "w");
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if (fd == NULL) {
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throw std::invalid_argument ("Error opening file");
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}
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su = (uint8_t *) pmt::blob_data (msg);
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std::stringstream tmp_bin;
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for (size_t i = 0; i < pmt::blob_length (msg); i++) {
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tmp_bin << "0b" << std::bitset<8> (su[i]) << " ";
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}
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std::string str_bin = tmp_bin.str ();
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fprintf (fd, "%s", str_bin.c_str ());
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fclose (fd);
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break;
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}
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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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} /* namespace satnogs */
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} /* namespace gr */
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