fill enb rrc metrics with drb info

srsenb/hdr/stack/rrc/rrc_metrics.h

@@ -33,6 +33,7 @@ typedef enum {
 
 struct rrc_ue_metrics_t {
   rrc_state_t                                 state;
+  std::vector<std::pair<uint32_t, uint32_t> > drb_qci_map;
 };
 
 struct rrc_metrics_t {

srsenb/hdr/stack/rrc/rrc_ue.h

@@ -38,6 +38,7 @@ public:
   void        activity_timer_expired();
 
   rrc_state_t get_state();
+  void        get_metrics(rrc_ue_metrics_t& ue_metrics) const;
 
   void send_connection_setup();
   void send_connection_reest(uint8_t ncc);

srsenb/src/stack/rrc/rrc.cc

@@ -103,7 +103,7 @@ void rrc::get_metrics(rrc_metrics_t& m)
     m.ues.resize(users.size());
     size_t count = 0;
     for (auto& ue : users) {
-      m.ues[count++].state = ue.second->get_state();
+      ue.second->get_metrics(m.ues[count++]);
     }
   }
 }

srsenb/src/stack/rrc/rrc_ue.cc

@@ -60,6 +60,18 @@ rrc_state_t rrc::ue::get_state()
   return state;
 }
 
+void rrc::ue::get_metrics(rrc_ue_metrics_t& ue_metrics) const
+{
+  ue_metrics.state      = state;
+  const auto& drb_list  = bearer_list.get_established_drbs();
+  const auto& erab_list = bearer_list.get_erabs();
+  ue_metrics.drb_qci_map.resize(drb_list.size());
+  for (size_t i = 0; i < drb_list.size(); ++i) {
+    ue_metrics.drb_qci_map[i] =
+        std::make_pair(drb_list[i].lc_ch_id, erab_list.at(drb_list[i].eps_bearer_id).qos_params.qci);
+  }
+}
+
 void rrc::ue::set_activity()
 {
   // re-start activity timer with current timeout value