mirror of https://github.com/PentHertz/srsLTE.git
83 lines
2.0 KiB
C++
83 lines
2.0 KiB
C++
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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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,sleep_period_start()
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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 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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