146 lines
4.0 KiB
C++
146 lines
4.0 KiB
C++
/**
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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 "srsue/hdr/metrics_stdout.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 srsue{
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char const * const prefixes[2][9] =
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{
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{ "", "m", "u", "n", "p", "f", "a", "z", "y", },
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{ "", "k", "M", "G", "T", "P", "E", "Z", "Y", },
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};
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metrics_stdout::metrics_stdout()
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:do_print(false)
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,n_reports(10)
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,ue(NULL)
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{
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}
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void metrics_stdout::set_ue_handle(ue_metrics_interface *ue_)
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{
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ue = ue_;
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}
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void metrics_stdout::toggle_print(bool b)
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{
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do_print = b;
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}
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void metrics_stdout::set_metrics(ue_metrics_t &metrics, const uint32_t period_usec)
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{
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if(!do_print || ue == NULL)
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return;
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if (!ue->is_attached()) {
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cout << "--- disconnected ---" << endl;
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return;
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}
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if(++n_reports > 10)
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{
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n_reports = 0;
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cout << endl;
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cout << "--Signal--------------DL------------------------------UL----------------------" << endl;
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cout << " rsrp pl cfo mcs snr turbo brate bler ta_us mcs buff brate bler" << endl;
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}
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cout << float_to_string(metrics.phy.dl.rsrp, 2);
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cout << float_to_string(metrics.phy.dl.pathloss, 2);
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cout << float_to_eng_string(metrics.phy.sync.cfo, 2);
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cout << float_to_string(metrics.phy.dl.mcs, 2);
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cout << float_to_string(metrics.phy.dl.sinr, 2);
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cout << float_to_string(metrics.phy.dl.turbo_iters, 2);
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cout << float_to_eng_string((float) metrics.mac.rx_brate/period_usec*1e6, 2);
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if (metrics.mac.rx_pkts > 0) {
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cout << float_to_string((float) 100*metrics.mac.rx_errors/metrics.mac.rx_pkts, 1) << "%";
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} else {
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cout << float_to_string(0, 1) << "%";
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}
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cout << float_to_string(metrics.phy.sync.ta_us, 2);
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cout << float_to_string(metrics.phy.ul.mcs, 2);
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cout << float_to_eng_string((float) metrics.mac.ul_buffer, 2);
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cout << float_to_eng_string((float) metrics.mac.tx_brate/period_usec*1e6, 2);
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if (metrics.mac.tx_pkts > 0) {
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cout << float_to_string((float) 100*metrics.mac.tx_errors/metrics.mac.tx_pkts, 1) << "%";
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} else {
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cout << float_to_string(0, 1) << "%";
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}
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cout << endl;
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if(metrics.rf.rf_error) {
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printf("RF status: O=%d, U=%d, L=%d\n", metrics.rf.rf_o, metrics.rf.rf_u, metrics.rf.rf_l);
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}
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}
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std::string metrics_stdout::float_to_string(float f, int digits)
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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::setw(6) << std::fixed << std::setprecision(precision) << f;
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return os.str();
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}
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std::string metrics_stdout::float_to_eng_string(float f, int digits)
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{
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const int degree = (f == 0.0) ? 0 : lrint( floor( log10( fabs( f ) ) / 3) );
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std::string factor;
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if ( abs( degree ) < 9 )
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{
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if(degree < 0)
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factor = prefixes[0][ abs( degree ) ];
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else
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factor = prefixes[1][ abs( degree ) ];
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} else {
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return "failed";
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}
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const double scaled = f * pow( 1000.0, -degree );
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if (degree != 0) {
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return float_to_string(scaled, digits) + factor;
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} else {
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return " " + float_to_string(scaled, digits) + factor;
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}
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}
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} // namespace srsue
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