mirror of https://github.com/pvnis/srsRAN_4G.git
add CSV metrics for eNB
Andre Puschmann
6 years ago
parent
cd7008a269
commit
db910cb84b
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/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2015 Software Radio Systems Limited
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*
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* \section LICENSE
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*
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* This file is part of the srsUE library.
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*
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* srsUE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsUE 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 Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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/******************************************************************************
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* File: metrics_csv.h
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* Description: Metrics class writing to CSV file.
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*****************************************************************************/
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#ifndef SRSENB_METRICS_CSV_H
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#define SRSENB_METRICS_CSV_H
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#include <pthread.h>
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#include <stdint.h>
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#include <string>
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#include <iostream>
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#include <fstream>
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#include "srslte/common/metrics_hub.h"
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#include "srslte/interfaces/enb_metrics_interface.h"
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namespace srsenb {
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class metrics_csv : public srslte::metrics_listener<enb_metrics_t>
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{
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public:
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metrics_csv(std::string filename);
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~metrics_csv();
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void set_metrics(enb_metrics_t &m, const uint32_t period_usec);
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void set_handle(enb_metrics_interface *enb_);
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void stop();
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private:
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std::string float_to_string(float f, int digits, bool add_semicolon = true);
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float metrics_report_period;
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std::ofstream file;
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enb_metrics_interface* enb;
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uint32_t n_reports;
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};
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} // namespace srsenb
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#endif // SRSENB_METRICS_CSV_H
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@ -0,0 +1,123 @@
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/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2015 The srsUE Developers. See the
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* COPYRIGHT file at the top-level directory of this distribution.
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*
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* \section LICENSE
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*
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* This file is part of the srsUE library.
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*
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* srsUE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsUE 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 Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#include "srsenb/hdr/metrics_csv.h"
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#include <unistd.h>
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#include <sstream>
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#include <stdlib.h>
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#include <math.h>
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#include <float.h>
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#include <iomanip>
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#include <iostream>
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#include <stdio.h>
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using namespace std;
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namespace srsenb{
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metrics_csv::metrics_csv(std::string filename)
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:n_reports(0)
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,metrics_report_period(1.0)
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,enb(NULL)
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{
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file.open(filename.c_str(), std::ios_base::out);
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}
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metrics_csv::~metrics_csv()
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{
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stop();
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}
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void metrics_csv::set_handle(enb_metrics_interface *enb_)
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{
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enb = enb_;
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}
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void metrics_csv::stop()
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{
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if (file.is_open()) {
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file << "#eof\n";
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file.flush();
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file.close();
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}
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}
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void metrics_csv::set_metrics(enb_metrics_t &metrics, const uint32_t period_usec)
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{
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if (file.is_open() && enb != NULL) {
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if(n_reports == 0) {
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file << "time;nof_ue;dl_brate;ul_brate\n";
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}
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// Time
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file << (metrics_report_period*n_reports) << ";";
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// UEs
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file << (metrics.rrc.n_ues) << ";";
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// Sum up rates for all UEs
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float dl_rate_sum = 0.0, ul_rate_sum = 0.0;
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for (int i = 0; i < metrics.rrc.n_ues; i++) {
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dl_rate_sum += metrics.mac[i].tx_brate;
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ul_rate_sum += metrics.mac[i].rx_brate;
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}
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// DL rate
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if (dl_rate_sum > 0) {
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file << float_to_string(SRSLTE_MAX(0.1,(float)dl_rate_sum/period_usec*1e6), 2);
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} else {
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file << float_to_string(0, 2);
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}
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// UL rate
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if (ul_rate_sum > 0) {
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file << float_to_string(SRSLTE_MAX(0.1,(float)ul_rate_sum/period_usec*1e6), 2, false);
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} else {
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file << float_to_string(0, 2, false);
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}
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file << "\n";
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n_reports++;
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} else {
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std::cout << "Error, couldn't write CSV file." << std::endl;
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}
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}
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std::string metrics_csv::float_to_string(float f, int digits, bool add_semicolon)
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{
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std::ostringstream os;
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const int precision = (f == 0.0) ? digits-1 : digits - log10(fabs(f))-2*DBL_EPSILON;
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os << std::fixed << std::setprecision(precision) << f;
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if (add_semicolon)
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os << ';';
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return os.str();
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}
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} // namespace srsenb
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