mirror of https://github.com/PentHertz/srsLTE.git
107 lines
2.9 KiB
C++
107 lines
2.9 KiB
C++
/*
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* Copyright 2013-2019 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE 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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* srsLTE 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_hub.h
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* Description: Centralizes metrics interfaces to allow different metrics clients
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* to get metrics
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*****************************************************************************/
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#ifndef SRSLTE_METRICS_HUB_H
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#define SRSLTE_METRICS_HUB_H
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#include <vector>
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#include "srslte/common/threads.h"
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#include "srslte/srslte.h"
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namespace srslte {
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template<typename metrics_t>
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class metrics_interface
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{
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public:
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virtual bool get_metrics(metrics_t &m) = 0;
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};
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template<typename metrics_t>
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class metrics_listener
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{
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public:
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virtual void set_metrics(metrics_t &m, const uint32_t period_usec) = 0;
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virtual void stop() = 0;
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};
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template<typename metrics_t>
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class metrics_hub : public periodic_thread
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{
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public:
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metrics_hub()
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:m(NULL)
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{
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for (int i = 0; i < 3; ++i) {
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sleep_period_start[i] = (struct timeval){};
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}
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}
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bool init(metrics_interface<metrics_t> *m_, float report_period_secs_=1.0) {
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m = m_;
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// Start with user-default priority
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start_periodic(report_period_secs_*1e6, -2);
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return true;
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}
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void stop() {
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stop_thread();
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// stop all listeners
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for (uint32_t i=0;i<listeners.size();i++) {
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listeners[i]->stop();
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}
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thread_cancel();
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wait_thread_finish();
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}
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void add_listener(metrics_listener<metrics_t> *listener) {
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listeners.push_back(listener);
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}
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private:
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void run_period(){
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// get current time and check how long we slept
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gettimeofday(&sleep_period_start[2], NULL);
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get_time_interval(sleep_period_start);
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uint32_t period = sleep_period_start[0].tv_sec*1e6 + sleep_period_start[0].tv_usec;
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if (m) {
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metrics_t metric;
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m->get_metrics(metric);
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for (uint32_t i=0;i<listeners.size();i++) {
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listeners[i]->set_metrics(metric, period);
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}
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}
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// store start of sleep period
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gettimeofday(&sleep_period_start[1], NULL);
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}
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metrics_interface<metrics_t> *m;
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std::vector<metrics_listener<metrics_t>*> listeners;
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struct timeval sleep_period_start[3];
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};
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} // namespace srslte
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#endif // SRSLTE_METRICS_HUB_H
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