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gnss-sdr/src/tests/unit-tests/signal-processing-blocks/libs/observables_dump_reader.cc

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/*!
* \file observables_dump_reader.cc
* \brief Helper file for unit testing
* \author Javier Arribas, 2017. jarribas(at)cttc.es
*
* -------------------------------------------------------------------------
*
* Copyright (C) 2010-2019 (see AUTHORS file for a list of contributors)
*
* GNSS-SDR is a software defined Global Navigation
* Satellite Systems receiver
*
* This file is part of GNSS-SDR.
*
* GNSS-SDR is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GNSS-SDR is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNSS-SDR. If not, see <https://www.gnu.org/licenses/>.
*
* -------------------------------------------------------------------------
*/
#include "observables_dump_reader.h"
#include <exception>
#include <iostream>
#include <utility>
bool Observables_Dump_Reader::read_binary_obs()
{
try
{
for (int i = 0; i < n_channels; i++)
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{
d_dump_file.read(reinterpret_cast<char *>(&RX_time[i]), sizeof(double));
d_dump_file.read(reinterpret_cast<char *>(&TOW_at_current_symbol_s[i]), sizeof(double));
d_dump_file.read(reinterpret_cast<char *>(&Carrier_Doppler_hz[i]), sizeof(double));
d_dump_file.read(reinterpret_cast<char *>(&Acc_carrier_phase_hz[i]), sizeof(double));
d_dump_file.read(reinterpret_cast<char *>(&Pseudorange_m[i]), sizeof(double));
d_dump_file.read(reinterpret_cast<char *>(&PRN[i]), sizeof(double));
d_dump_file.read(reinterpret_cast<char *>(&valid[i]), sizeof(double));
}
}
catch (const std::ifstream::failure &e)
{
return false;
}
return true;
}
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bool Observables_Dump_Reader::restart()
{
if (d_dump_file.is_open())
{
d_dump_file.clear();
d_dump_file.seekg(0, std::ios::beg);
return true;
}
return false;
}
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int64_t Observables_Dump_Reader::num_epochs()
{
std::ifstream::pos_type size;
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int number_of_vars_in_epoch = n_channels * 7;
int epoch_size_bytes = sizeof(double) * number_of_vars_in_epoch;
std::ifstream tmpfile(d_dump_filename.c_str(), std::ios::binary | std::ios::ate);
if (tmpfile.is_open())
{
size = tmpfile.tellg();
int64_t nepoch = size / epoch_size_bytes;
return nepoch;
}
return 0;
}
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bool Observables_Dump_Reader::open_obs_file(std::string out_file)
{
if (d_dump_file.is_open() == false)
{
try
{
d_dump_filename = std::move(out_file);
d_dump_file.exceptions(std::ifstream::failbit | std::ifstream::badbit);
d_dump_file.open(d_dump_filename.c_str(), std::ios::in | std::ios::binary);
return true;
}
catch (const std::ifstream::failure &e)
{
std::cout << "Problem opening Observables dump Log file: " << d_dump_filename << std::endl;
return false;
}
}
else
{
return false;
}
}
void Observables_Dump_Reader::close_obs_file()
{
if (d_dump_file.is_open() == false)
{
d_dump_file.close();
}
}
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Observables_Dump_Reader::Observables_Dump_Reader(int n_channels_)
{
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n_channels = n_channels_;
RX_time = new double[n_channels];
TOW_at_current_symbol_s = new double[n_channels];
Carrier_Doppler_hz = new double[n_channels];
Acc_carrier_phase_hz = new double[n_channels];
Pseudorange_m = new double[n_channels];
PRN = new double[n_channels];
valid = new double[n_channels];
}
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Observables_Dump_Reader::~Observables_Dump_Reader()
{
try
{
if (d_dump_file.is_open() == true)
{
d_dump_file.close();
}
}
catch (const std::ifstream::failure &e)
{
std::cerr << "Problem closing Observables dump Log file: " << d_dump_filename << '\n';
}
catch (const std::exception &e)
{
std::cerr << e.what() << '\n';
}
delete[] RX_time;
delete[] TOW_at_current_symbol_s;
delete[] Carrier_Doppler_hz;
delete[] Acc_carrier_phase_hz;
delete[] Pseudorange_m;
delete[] PRN;
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delete[] valid;
}