Added 5G Metrics

srsue/hdr/stack/upper/nas_5g.h

@@ -71,6 +71,9 @@ public:
   int disable_data();
   int start_service_request();
 
+  // Metrics getter
+  void get_metrics(nas_5g_metrics_t& metrics);
+
 private:
   rrc_nr_interface_nas_5g* rrc_nr = nullptr;
   usim_interface_nas*      usim   = nullptr;
@@ -179,6 +182,7 @@ private:
   bool unestablished_pdu_sessions();
   int  get_unestablished_pdu_session(uint16_t& pdu_session_id, pdu_session_cfg_t& pdu_session_cfg);
   int  reset_pdu_sessions();
+  uint32_t num_of_est_pdu_sessions();
 
   struct pdu_session_t {
     bool              configured;

srsue/hdr/stack/upper/nas_5g_metrics.h

@@ -18,7 +18,7 @@
 namespace srsue {
 
 struct nas_5g_metrics_t {
-  uint32_t              nof_active_5g_bearers;
+  uint32_t              nof_active_pdu_sessions;
   mm5g_state_t::state_t state;
 };
 

srsue/src/stack/upper/nas_5g.cc

@@ -1018,10 +1018,15 @@ int nas_5g::reset_pdu_sessions()
     pdu_session.established    = false;
     pdu_session.pdu_session_id = 0;
   }
-
   return SRSRAN_SUCCESS;
 }
 
+void nas_5g::get_metrics(nas_5g_metrics_t& metrics)
+{
+  metrics.nof_active_pdu_sessions = num_of_est_pdu_sessions();
+  metrics.state                   = state.get_state();
+}
+
 /*******************************************************************************
  * Helpers
  ******************************************************************************/
@@ -1135,6 +1140,17 @@ int nas_5g::init_pdu_sessions(std::vector<pdu_session_cfg_t> pdu_session_cfgs)
   return SRSRAN_SUCCESS;
 }
 
+uint32_t nas_5g::num_of_est_pdu_sessions()
+{
+  uint32_t i = 0;
+  for (auto pdu_session : pdu_sessions) {
+    if (pdu_session.established == true) {
+      i++;
+    }
+  }
+  return i;
+}
+
 int nas_5g::configure_pdu_session(uint16_t pdu_session_id)
 {
   for (auto pdu_session : pdu_sessions) {