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

94 lines
3.1 KiB
C++

//
// Created by javier on 1/2/2017.
//
#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();
}
}