2017-02-02 19:05:15 +00:00
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/*!
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* \file tracking_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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2019-07-26 10:38:20 +00:00
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* Copyright (C) 2010-2019 (see AUTHORS file for a list of contributors)
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2017-02-02 19:05:15 +00:00
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*
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* GNSS-SDR is a software defined Global Navigation
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* Satellite Systems receiver
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*
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* This file is part of GNSS-SDR.
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*
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* GNSS-SDR 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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* GNSS-SDR 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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2018-05-13 20:49:11 +00:00
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* along with GNSS-SDR. If not, see <https://www.gnu.org/licenses/>.
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2017-02-02 19:05:15 +00:00
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*
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* -------------------------------------------------------------------------
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*/
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2017-02-02 15:41:58 +00:00
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#include "tracking_dump_reader.h"
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2019-02-10 20:55:51 +00:00
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#include <exception>
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2018-02-25 21:49:06 +00:00
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#include <iostream>
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2018-12-03 18:01:47 +00:00
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#include <utility>
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2017-02-02 15:41:58 +00:00
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2019-02-22 09:47:24 +00:00
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bool Tracking_Dump_Reader::read_binary_obs()
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2017-02-02 19:05:15 +00:00
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{
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2017-10-28 22:44:38 +00:00
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try
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2018-03-03 01:03:39 +00:00
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{
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2018-03-20 13:44:34 +00:00
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d_dump_file.read(reinterpret_cast<char *>(&abs_VE), sizeof(float));
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2017-08-19 10:45:19 +00:00
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d_dump_file.read(reinterpret_cast<char *>(&abs_E), sizeof(float));
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d_dump_file.read(reinterpret_cast<char *>(&abs_P), sizeof(float));
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d_dump_file.read(reinterpret_cast<char *>(&abs_L), sizeof(float));
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2018-03-20 13:44:34 +00:00
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d_dump_file.read(reinterpret_cast<char *>(&abs_VL), sizeof(float));
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2017-08-19 10:45:19 +00:00
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d_dump_file.read(reinterpret_cast<char *>(&prompt_I), sizeof(float));
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d_dump_file.read(reinterpret_cast<char *>(&prompt_Q), sizeof(float));
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2018-08-10 19:16:10 +00:00
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d_dump_file.read(reinterpret_cast<char *>(&PRN_start_sample_count), sizeof(uint64_t));
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2018-03-20 13:44:34 +00:00
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d_dump_file.read(reinterpret_cast<char *>(&acc_carrier_phase_rad), sizeof(float));
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d_dump_file.read(reinterpret_cast<char *>(&carrier_doppler_hz), sizeof(float));
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2018-09-09 11:40:31 +00:00
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d_dump_file.read(reinterpret_cast<char *>(&carrier_doppler_rate_hz_s), sizeof(float));
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2018-03-20 13:44:34 +00:00
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d_dump_file.read(reinterpret_cast<char *>(&code_freq_chips), sizeof(float));
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2018-09-10 19:29:44 +00:00
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d_dump_file.read(reinterpret_cast<char *>(&code_freq_rate_chips), sizeof(float));
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2018-03-20 13:44:34 +00:00
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d_dump_file.read(reinterpret_cast<char *>(&carr_error_hz), sizeof(float));
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d_dump_file.read(reinterpret_cast<char *>(&carr_error_filt_hz), sizeof(float));
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d_dump_file.read(reinterpret_cast<char *>(&code_error_chips), sizeof(float));
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d_dump_file.read(reinterpret_cast<char *>(&code_error_filt_chips), sizeof(float));
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d_dump_file.read(reinterpret_cast<char *>(&CN0_SNV_dB_Hz), sizeof(float));
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d_dump_file.read(reinterpret_cast<char *>(&carrier_lock_test), sizeof(float));
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d_dump_file.read(reinterpret_cast<char *>(&aux1), sizeof(float));
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2017-08-19 10:45:19 +00:00
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d_dump_file.read(reinterpret_cast<char *>(&aux2), sizeof(double));
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d_dump_file.read(reinterpret_cast<char *>(&PRN), sizeof(unsigned int));
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2018-03-03 01:03:39 +00:00
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}
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2017-10-24 09:38:37 +00:00
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catch (const std::ifstream::failure &e)
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2018-03-03 01:03:39 +00:00
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{
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2017-02-02 15:41:58 +00:00
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return false;
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2018-03-03 01:03:39 +00:00
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}
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2017-02-02 19:05:15 +00:00
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return true;
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}
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2017-02-02 15:41:58 +00:00
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2017-07-12 18:02:34 +00:00
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2019-02-22 09:47:24 +00:00
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bool Tracking_Dump_Reader::restart()
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2017-02-02 19:05:15 +00:00
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{
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2017-02-02 15:41:58 +00:00
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if (d_dump_file.is_open())
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2017-02-02 19:05:15 +00:00
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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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2018-12-03 21:08:19 +00:00
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return false;
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2017-02-02 15:41:58 +00:00
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}
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2017-07-12 19:24:47 +00:00
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2019-02-22 09:47:24 +00:00
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int64_t Tracking_Dump_Reader::num_epochs()
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2017-02-02 15:41:58 +00:00
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{
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std::ifstream::pos_type size;
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2018-03-20 13:44:34 +00:00
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int number_of_double_vars = 1;
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2018-09-10 19:29:44 +00:00
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int number_of_float_vars = 19;
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2018-08-10 19:16:10 +00:00
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int epoch_size_bytes = sizeof(uint64_t) + sizeof(double) * number_of_double_vars +
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2018-03-03 01:03:39 +00:00
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sizeof(float) * number_of_float_vars + sizeof(unsigned int);
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2017-07-12 19:24:47 +00:00
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std::ifstream tmpfile(d_dump_filename.c_str(), std::ios::binary | std::ios::ate);
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2017-02-02 15:41:58 +00:00
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if (tmpfile.is_open())
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{
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size = tmpfile.tellg();
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2018-08-10 19:16:10 +00:00
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int64_t nepoch = size / epoch_size_bytes;
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2017-02-02 15:41:58 +00:00
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return nepoch;
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2017-02-02 19:05:15 +00:00
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}
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2018-12-03 21:08:19 +00:00
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return 0;
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2017-02-02 15:41:58 +00:00
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}
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2017-07-12 19:24:47 +00:00
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2019-02-22 09:47:24 +00:00
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bool Tracking_Dump_Reader::open_obs_file(std::string out_file)
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2017-02-02 19:05:15 +00:00
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{
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2017-02-02 15:41:58 +00:00
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if (d_dump_file.is_open() == false)
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{
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2017-02-02 19:05:15 +00:00
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try
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2018-03-03 01:03:39 +00:00
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{
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2018-12-03 18:01:47 +00:00
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d_dump_filename = std::move(out_file);
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2018-03-03 01:03:39 +00:00
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d_dump_file.exceptions(std::ifstream::failbit | std::ifstream::badbit);
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2017-02-02 19:05:15 +00:00
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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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2018-03-03 01:03:39 +00:00
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}
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catch (const std::ifstream::failure &e)
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{
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2019-02-10 20:55:51 +00:00
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std::cout << "Problem opening Tracking dump Log file: " << d_dump_filename << std::endl;
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2017-02-02 19:05:15 +00:00
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return false;
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2018-03-03 01:03:39 +00:00
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}
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2017-02-05 19:07:34 +00:00
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}
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else
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{
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return false;
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2017-02-02 15:41:58 +00:00
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}
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}
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2017-08-19 10:45:19 +00:00
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2019-02-22 09:47:24 +00:00
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Tracking_Dump_Reader::~Tracking_Dump_Reader()
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2017-02-02 19:05:15 +00:00
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{
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2019-02-10 20:55:51 +00:00
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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 Tracking dump Log file: " << d_dump_filename << '\n';
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}
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catch (const std::exception &e)
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2017-02-02 19:05:15 +00:00
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{
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2019-02-10 20:55:51 +00:00
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std::cerr << e.what() << '\n';
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2017-02-02 19:05:15 +00:00
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}
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2017-02-02 15:41:58 +00:00
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}
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