mirror of
https://github.com/gnss-sdr/gnss-sdr
synced 2024-12-16 21:20:34 +00:00
137 lines
4.0 KiB
C++
137 lines
4.0 KiB
C++
/*!
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* \file observables_dump_reader.cc
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* \brief Helper file for unit testing
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* \author Javier Arribas, 2017. jarribas(at)cttc.es
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*
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* -----------------------------------------------------------------------------
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*
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* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
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* This file is part of GNSS-SDR.
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*
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* Copyright (C) 2010-2020 (see AUTHORS file for a list of contributors)
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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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* -----------------------------------------------------------------------------
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*/
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#include "observables_dump_reader.h"
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#include <exception>
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#include <iostream>
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#include <utility>
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bool Observables_Dump_Reader::read_binary_obs()
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{
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try
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{
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for (int i = 0; i < n_channels; i++)
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{
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d_dump_file.read(reinterpret_cast<char *>(&RX_time[i]), sizeof(double));
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d_dump_file.read(reinterpret_cast<char *>(&TOW_at_current_symbol_s[i]), sizeof(double));
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d_dump_file.read(reinterpret_cast<char *>(&Carrier_Doppler_hz[i]), sizeof(double));
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d_dump_file.read(reinterpret_cast<char *>(&Acc_carrier_phase_hz[i]), sizeof(double));
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d_dump_file.read(reinterpret_cast<char *>(&Pseudorange_m[i]), sizeof(double));
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d_dump_file.read(reinterpret_cast<char *>(&PRN[i]), sizeof(double));
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d_dump_file.read(reinterpret_cast<char *>(&valid[i]), sizeof(double));
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}
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}
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catch (const std::ifstream::failure &e)
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{
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return false;
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}
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return true;
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}
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bool Observables_Dump_Reader::restart()
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{
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if (d_dump_file.is_open())
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{
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d_dump_file.clear();
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d_dump_file.seekg(0, std::ios::beg);
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return true;
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}
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return false;
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}
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int64_t Observables_Dump_Reader::num_epochs()
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{
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std::ifstream::pos_type size;
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int number_of_vars_in_epoch = n_channels * 7;
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int epoch_size_bytes = sizeof(double) * number_of_vars_in_epoch;
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std::ifstream tmpfile(d_dump_filename.c_str(), std::ios::binary | std::ios::ate);
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if (tmpfile.is_open())
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{
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size = tmpfile.tellg();
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int64_t nepoch = size / epoch_size_bytes;
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return nepoch;
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}
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return 0;
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}
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bool Observables_Dump_Reader::open_obs_file(std::string out_file)
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{
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if (d_dump_file.is_open() == false)
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{
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try
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{
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d_dump_filename = std::move(out_file);
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d_dump_file.exceptions(std::ifstream::failbit | std::ifstream::badbit);
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d_dump_file.open(d_dump_filename.c_str(), std::ios::in | std::ios::binary);
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return true;
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}
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catch (const std::ifstream::failure &e)
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{
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std::cout << "Problem opening Observables dump Log file: " << d_dump_filename << '\n';
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return false;
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}
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}
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else
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{
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return false;
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}
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}
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void Observables_Dump_Reader::close_obs_file()
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{
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if (d_dump_file.is_open() == false)
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{
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d_dump_file.close();
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}
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}
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Observables_Dump_Reader::Observables_Dump_Reader(int n_channels_)
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: n_channels(n_channels_)
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{
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RX_time = std::vector<double>(n_channels);
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TOW_at_current_symbol_s = std::vector<double>(n_channels);
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Carrier_Doppler_hz = std::vector<double>(n_channels);
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Acc_carrier_phase_hz = std::vector<double>(n_channels);
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Pseudorange_m = std::vector<double>(n_channels);
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PRN = std::vector<double>(n_channels);
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valid = std::vector<double>(n_channels);
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}
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Observables_Dump_Reader::~Observables_Dump_Reader()
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{
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try
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{
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if (d_dump_file.is_open() == true)
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{
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d_dump_file.close();
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}
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}
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catch (const std::ifstream::failure &e)
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{
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std::cerr << "Problem closing Observables dump Log file: " << d_dump_filename << '\n';
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}
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catch (const std::exception &e)
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{
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std::cerr << e.what() << '\n';
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}
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}
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