use metrics_hub in UE

lib/include/srslte/common/metrics_hub.h

@@ -24,7 +24,7 @@ template<typename metrics_t>
 class metrics_listener
 {
 public: 
-  virtual void set_metrics(metrics_t &m) = 0; 
+  virtual void set_metrics(metrics_t &m, float report_period_secs=1.0) = 0;
 }; 
 
 template<typename metrics_t>

srsue/hdr/metrics_stdout.h

@@ -36,35 +36,25 @@
 #include <stdint.h>
 #include <string>
 
+#include "srslte/common/metrics_hub.h"
 #include "ue_metrics_interface.h"
 
 namespace srsue {
 
-class metrics_stdout
+class metrics_stdout : public srslte::metrics_listener<ue_metrics_t>
 {
 public:
   metrics_stdout();
 
-  bool init(ue_metrics_interface *u, float report_period_secs=1.0);
-  void stop();
   void toggle_print(bool b);
-  static void* metrics_thread_start(void *m);
-  void metrics_thread_run();
+  void set_metrics(ue_metrics_t &m, float report_period_secs);
 
 private:
-  void        print_metrics();
-  void        print_disconnect();
   std::string float_to_string(float f, int digits);
   std::string float_to_eng_string(float f, int digits);
   std::string int_to_eng_string(int f, int digits);
-  
-  ue_metrics_interface *ue_;
 
-  bool          started;
   bool          do_print;
-  pthread_t     metrics_thread;
-  ue_metrics_t  metrics;
-  float         metrics_report_period; // seconds
   uint8_t       n_reports;
 };
 

srsue/hdr/ue_metrics_interface.h

@@ -29,6 +29,7 @@
 
 #include <stdint.h>
 
+#include "srslte/common/metrics_hub.h"
 #include "upper/gw_metrics.h"
 #include "srslte/upper/rlc_metrics.h"
 #include "mac/mac_metrics.h"
@@ -52,7 +53,7 @@ typedef struct {
 }ue_metrics_t;
 
 // UE interface
-class ue_metrics_interface
+class ue_metrics_interface : public srslte::metrics_interface<ue_metrics_t>
 {
 public:
   virtual bool get_metrics(ue_metrics_t &m) = 0;

srsue/src/main.cc

@@ -38,6 +38,7 @@
 
 #include "ue.h"
 #include "metrics_stdout.h"
+#include "srslte/common/metrics_hub.h"
 #include "srslte/version.h"
 
 using namespace std;
@@ -320,13 +321,13 @@ void parse_args(all_args_t *args, int argc, char *argv[]) {
 
 static bool running = true;
 static bool do_metrics = false;
+metrics_stdout metrics_screen;
 
 void sig_int_handler(int signo) {
   running = false;
 }
 
 void *input_loop(void *m) {
-  metrics_stdout *metrics = (metrics_stdout *) m;
   char key;
   while (running) {
     cin >> key;
@@ -337,7 +338,7 @@ void *input_loop(void *m) {
       } else {
         cout << "Enter t to restart trace." << endl;
       }
-      metrics->toggle_print(do_metrics);
+      metrics_screen.toggle_print(do_metrics);
     }
   }
   return NULL;
@@ -345,6 +346,7 @@ void *input_loop(void *m) {
 
 int main(int argc, char *argv[])
 {
+  srslte::metrics_hub<ue_metrics_t> metricshub;
   signal(SIGINT, sig_int_handler);
   all_args_t args;
   parse_args(&args, argc, argv);
@@ -361,11 +363,12 @@ int main(int argc, char *argv[])
     exit(1);
   }
 
-  metrics_stdout metrics;
-  metrics.init(ue, args.expert.metrics_period_secs);
+
+  metricshub.init(ue, args.expert.metrics_period_secs);
+  metricshub.add_listener(&metrics_screen);
 
   pthread_t input;
-  pthread_create(&input, NULL, &input_loop, &metrics);
+  pthread_create(&input, NULL, &input_loop, &args);
 
   bool plot_started = false;
   bool signals_pregenerated = false;
@@ -383,7 +386,7 @@ int main(int argc, char *argv[])
     sleep(1);
   }
   pthread_cancel(input);
-  metrics.stop();
+  metricshub.stop();
   ue->stop();
   ue->cleanup();
   cout << "---  exiting  ---" << endl;

srsue/src/metrics_stdout.cc

@@ -48,57 +48,18 @@ char const * const prefixes[2][9] =
 };
 
 metrics_stdout::metrics_stdout()
-    :started(false)
-    ,do_print(false)
+    :do_print(false)
     ,n_reports(10)
 {
 }
 
-bool metrics_stdout::init(ue_metrics_interface *u, float report_period_secs)
-{
-  ue_ = u;
-  metrics_report_period = report_period_secs;
-
-  started = true;
-  pthread_create(&metrics_thread, NULL, &metrics_thread_start, this);
-  return true;
-}
-
-void metrics_stdout::stop()
-{
-  if(started)
-  {
-    started = false;
-    pthread_join(metrics_thread, NULL);
-  }
-}
-
 void metrics_stdout::toggle_print(bool b)
 {
   do_print = b;
 }
 
-void* metrics_stdout::metrics_thread_start(void *m_)
-{
-  metrics_stdout *m = (metrics_stdout*)m_;
-  m->metrics_thread_run();
-  return NULL;
-}
 
-void metrics_stdout::metrics_thread_run()
-{
-  while(started)
-  {
-    usleep(metrics_report_period*1e6);
-    if(ue_->get_metrics(metrics)) {
-      print_metrics();
-    } else {
-      print_disconnect();
-    }
-  }
-}
-
-void metrics_stdout::print_metrics()
+void metrics_stdout::set_metrics(ue_metrics_t &metrics, float metrics_report_period)
 {
   if(!do_print)
     return;
@@ -138,13 +99,6 @@ void metrics_stdout::print_metrics()
   
 }
 
-void metrics_stdout::print_disconnect()
-{
-  if(do_print) {
-    cout << "--- disconnected ---" << endl;
-  }
-}
-
 std::string metrics_stdout::float_to_string(float f, int digits)
 {
   std::ostringstream os;