150 lines
4.2 KiB
C++
150 lines
4.2 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) 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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d_filename_prev(""),
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d_counter(0)
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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::chrono::system_clock::time_point p2 =
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std::chrono::system_clock::now ();
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char buffer[30];
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std::time_t t2 = std::chrono::system_clock::to_time_t (p2);
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struct tm * timeinfo;
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timeinfo = std::gmtime (&t2);
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std::strftime (buffer, 30, "%FT%H-%M-%S", timeinfo);
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//puts (buffer);
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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 (buffer);
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if (filename.compare(d_filename_prev)==0)
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{
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d_filename_prev.assign(filename);
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filename.append ("_");
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d_counter++;
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filename.append(std::to_string(d_counter));
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}
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else
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{
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d_filename_prev.assign(filename);
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d_counter=0;
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}
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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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std::ofstream fd (filename.c_str ());
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fd.write ((const char *) pmt::blob_data (msg),
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pmt::blob_length (msg));
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fd.close ();
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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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std::ofstream fd (filename.c_str ());
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su = (uint8_t *) pmt::blob_data (msg);
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for (size_t i = 0; i < pmt::blob_length (msg); i++) {
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fd << std::hex << std::showbase << std::setw (4)
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<< (uint32_t) su[i] << " ";
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}
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fd.close ();
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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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std::ofstream fd (filename.c_str ());
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su = (uint8_t *) pmt::blob_data (msg);
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for (size_t i = 0; i < pmt::blob_length (msg); i++) {
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fd << "0b" << std::bitset<8> (su[i]) << " ";
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}
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fd.close ();
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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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