add nrf api_version

etc/ausf.conf

@@ -27,6 +27,7 @@ AUSF =
         INTERFACE_NAME = "ens33";
 	IPV4_ADDRESS   = "192.168.83.129/24";
 	PORT           = 80;
+	API_VERSION    = "v1"
    };
  };
 };

src/utils/ausf_config.cpp

@@ -148,7 +148,7 @@ int ausf_config::load(const std::string &config_file) {
 
     const Setting &nnrf_cfg = new_if_cfg[AUSF_CONFIG_STRING_INTERFACE_NNRF];
     load_interface(nnrf_cfg, nnrf);
-
+    nnrf_cfg.lookupValue(AUSF_CONFIG_STRING_API_VERSION, nnrf.api_version);
     // const Setting &udr_addr_pool = nudm_cfg[AUSF_CONFIG_STRING_UDR_INSTANCES_POOL];
     // int count = udr_addr_pool.getLength();
     // for (int i = 0; i < count; i++) {
@@ -242,6 +242,7 @@ void ausf_config::display() {
   Logger::config().info("    iface ................: %s", nnrf.if_name.c_str());
   Logger::config().info("    ip ...................: %s", inet_ntoa(nnrf.addr4));
   Logger::config().info("    port .................: %d", nnrf.port);
+  Logger::config().info("    api_version...........: %s", nnrf.api_version.c_str());
 
 //  Logger::config().info("    HTTP2 port ............: %d", nudm_http2_port);
 

src/utils/ausf_config.hpp

@@ -60,7 +60,7 @@
 #define AUSF_CONFIG_STRING_PORT                          "PORT"
 #define AUSF_CONFIG_STRING_PPID                          "PPID"
 #define AUSF_CONFIG_STRING_NF_REGISTRATION               "NF_REGISTRATION"
-
+#define AUSF_CONFIG_STRING_API_VERSION                   "API_VERSION"
 
 // #define AUSF_CONFIG_STRING_UDM_INSTANCES_POOL            "UDM_INSTANCES_POOL"
 // #define AUSF_CONFIG_STRING_UDM_INSTANCE_ID               "UDM_INSTANCE_ID"
@@ -109,6 +109,7 @@ typedef struct interface_cfg_s {
   struct in6_addr addr6;
   unsigned int mtu;
   unsigned int port;
+  std::string api_version;
 } interface_cfg_t;