Fix issue for SMF Event type

src/common/3gpp_29.508.h

@@ -34,6 +34,17 @@ typedef enum smf_event_e {
   SMF_EVENT_FLEXCN      = 99
 } smf_event_t;
 
+static std::string smf_event_from_enum(smf_event_t e) {
+  if (e == smf_event_t::SMF_EVENT_AC_TY_CH) return "AC_TY_CH";
+  if (e == smf_event_t::SMF_EVENT_UP_PATH_CH) return "UP_PATH_CH";
+  if (e == smf_event_t::SMF_EVENT_PDU_SES_REL) return "PDU_SES_REL";
+  if (e == smf_event_t::SMF_EVENT_PLMN_CH) return "PLMN_CH";
+  if (e == smf_event_t::SMF_EVENT_UE_IP_CH) return "UE_IP_CH";
+  if (e == smf_event_t::SMF_EVENT_DDDS) return "DDDS";
+  if (e == smf_event_t::SMF_EVENT_FLEXCN) return "FLEXCN";
+  return "";
+}
+
 static const std::vector<std::string> smf_event_e2str = {
     "SMF_EVENT_UNKNOWN",
     "Access Type Change",
@@ -41,7 +52,8 @@ static const std::vector<std::string> smf_event_e2str = {
     "PDU Session Release",
     "PLMN Change",
     "UE IP address change",
-    "Downlink data delivery status"};
+    "Downlink data delivery status",
+    "FlexCN"};
 
 enum class notification_method_e {
   PERIODIC           = 1,

src/smf_app/smf_sbi.cpp

@@ -569,7 +569,7 @@ void smf_sbi::notify_subscribed_event(
     json_data["notifId"]       = i.get_notif_id();
     auto event_notifs          = nlohmann::json::array();
     nlohmann::json event_notif = {};
-    event_notif["event"]       = i.get_smf_event();
+    event_notif["event"]       = smf_event_from_enum(i.get_smf_event());
     event_notif["pduSeId"]     = i.get_pdu_session_id();
     event_notif["supi"]        = std::to_string(i.get_supi());