Using a common promise for all SBI message request

src/smf_app/smf_app.cpp

@@ -2059,6 +2059,13 @@ void smf_app::add_promise(
   sm_context_release_promises.emplace(id, p);
 }
 
+//---------------------------------------------------------------------------------------------
+void smf_app::add_promise(
+    uint32_t id, boost::shared_ptr<boost::promise<nlohmann::json>>& p) {
+  std::unique_lock lock(m_sbi_server_promises);
+  sbi_server_promises.emplace(id, p);
+}
+
 //---------------------------------------------------------------------------------------------
 void smf_app::trigger_create_context_error_response(
     const uint32_t& http_code, const uint8_t& cause,

src/smf_app/smf_app.hpp

@@ -117,6 +117,7 @@ class smf_app {
   mutable std::shared_mutex m_sm_context_create_promises;
   mutable std::shared_mutex m_sm_context_update_promises;
   mutable std::shared_mutex m_sm_context_release_promises;
+  mutable std::shared_mutex m_sbi_server_promises;
 
   std::map<
       uint32_t,
@@ -131,6 +132,9 @@ class smf_app {
                     boost::promise<pdu_session_release_sm_context_response>>>
       sm_context_release_promises;
 
+  std::map<uint32_t, boost::shared_ptr<boost::promise<nlohmann::json>>>
+      sbi_server_promises;
+
   smf_profile nf_instance_profile;  // SMF profile
   std::string smf_instance_id;      // SMF instance id
   timer_id_t timer_nrf_heartbeat;
@@ -753,6 +757,18 @@ class smf_app {
       boost::shared_ptr<
           boost::promise<pdu_session_release_sm_context_response>>& p);
 
+  /*
+   * To store a promise of a SBI Server response message to be
+   * triggered when the result is ready
+   * @param [uint32_t] id: promise id
+   * @param [boost::shared_ptr<
+   * boost::promise<nlohmann::json> >&] p: pointer to
+   * the promise
+   * @return void
+   */
+  void add_promise(
+      uint32_t id, boost::shared_ptr<boost::promise<nlohmann::json>>& p);
+
   /*
    * To trigger the response to the HTTP server by set the value of the
    * corresponding promise to ready