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gnss-sdr/src/tests/unit-tests/signal-processing-blocks/libs/tracking_dump_reader.cc
Carles Fernandez 59e3ffe167 Add header
2017-02-02 20:05:15 +01:00

128 lines
4.3 KiB
C++

/*!
* \file tracking_dump_reader.cc
* \brief Helper file for unit testing
* \author Javier Arribas, 2017. jarribas(at)cttc.es
*
* -------------------------------------------------------------------------
*
* Copyright (C) 2010-2017 (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 <http://www.gnu.org/licenses/>.
*
* -------------------------------------------------------------------------
*/
#include "tracking_dump_reader.h"
bool tracking_dump_reader::read_binary_obs()
{
try {
d_dump_file.read((char *) &abs_E, sizeof(float));
d_dump_file.read((char *) &abs_P, sizeof(float));
d_dump_file.read((char *) &abs_L, sizeof(float));
d_dump_file.read((char *) &prompt_I, sizeof(float));
d_dump_file.read((char *) &prompt_Q, sizeof(float));
d_dump_file.read((char *) &PRN_start_sample_count, sizeof(unsigned long int));
d_dump_file.read((char *) &acc_carrier_phase_rad, sizeof(double));
d_dump_file.read((char *) &carrier_doppler_hz, sizeof(double));
d_dump_file.read((char *) &code_freq_chips, sizeof(double));
d_dump_file.read((char *) &carr_error_hz, sizeof(double));
d_dump_file.read((char *) &carr_error_filt_hz, sizeof(double));
d_dump_file.read((char *) &code_error_chips, sizeof(double));
d_dump_file.read((char *) &code_error_filt_chips, sizeof(double));
d_dump_file.read((char *) &CN0_SNV_dB_Hz, sizeof(double));
d_dump_file.read((char *) &carrier_lock_test, sizeof(double));
d_dump_file.read((char *) &aux1, sizeof(double));
d_dump_file.read((char *) &aux2, sizeof(double));
}
catch (const std::ifstream::failure &e)
{
return false;
}
return true;
}
bool tracking_dump_reader::restart()
{
if (d_dump_file.is_open())
{
d_dump_file.clear();
d_dump_file.seekg(0, std::ios::beg);
return true;
}
else
{
return false;
}
}
long int tracking_dump_reader::num_epochs()
{
std::ifstream::pos_type size;
int number_of_double_vars=11;
int number_of_float_vars=5;
int epoch_size_bytes=sizeof(unsigned long int) +
sizeof(double) * number_of_double_vars +
sizeof(float) * number_of_float_vars;
std::ifstream tmpfile( d_dump_filename.c_str(), std::ios::binary | std::ios::ate);
if (tmpfile.is_open())
{
size = tmpfile.tellg();
long int nepoch = size / epoch_size_bytes;
return nepoch;
}
else
{
return 0;
}
}
bool tracking_dump_reader::open_obs_file(std::string out_file)
{
if (d_dump_file.is_open() == false)
{
try
{
d_dump_filename = 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);
std::cout << "Tracking dump enabled, Log file: " << d_dump_filename.c_str() << std::endl;
return true;
}
catch (const std::ifstream::failure & e)
{
std::cout << "Problem opening Tracking dump Log file: " << d_dump_filename.c_str() << std::endl;
return false;
}
}else{
return false;
}
}
tracking_dump_reader::~tracking_dump_reader()
{
if (d_dump_file.is_open() == true)
{
d_dump_file.close();
}
}