Get NRF info from configuration file

etc/smf.conf

@@ -87,7 +87,7 @@ SMF =
     {
       IPV4_ADDRESS = "@AMF_IPV4_ADDRESS@";  # YOUR AMF CONFIG HERE
       PORT         = @AMF_PORT@;            # YOUR AMF CONFIG HERE (default: 80)
-      API_VERSION  = "@AMF_API_VERSION@";     # YOUR SMF API VERSION FOR SBI CONFIG HERE
+      API_VERSION  = "@AMF_API_VERSION@";     # YOUR AMF API VERSION FOR SBI CONFIG HERE
     };
     
     UDM :
@@ -101,6 +101,13 @@ SMF =
          {IPV4_ADDRESS = "@UPF_IPV4_ADDRESS@" ;}  # YOUR UPF CONFIG HERE
     );
     
+    NRF :
+    {
+      IPV4_ADDRESS = "@NRF_IPV4_ADDRESS@";  # YOUR NRF CONFIG HERE
+      PORT         = @NRF_PORT@;            # YOUR NRF CONFIG HERE (default: 80)
+      API_VERSION  = "@NRF_API_VERSION@";     # YOUR NRF API VERSION FOR SBI CONFIG HERE
+    };
+    
     LOCAL_CONFIGURATION :
     {
       USE_LOCAL_CONFIGURATION = "yes";

src/smf_app/smf_config.cpp

@@ -611,6 +611,28 @@ int smf_config::load(const string &config_file) {
       }
     }
 
+    // NRF
+    const Setting &nrf_cfg = smf_cfg[SMF_CONFIG_STRING_NRF];
+    struct in_addr nrf_ipv4_addr;
+    unsigned int nrf_port = 0;
+    std::string nrf_api_version;
+    nrf_cfg.lookupValue(SMF_CONFIG_STRING_NRF_IPV4_ADDRESS, astring);
+    IPV4_STR_ADDR_TO_INADDR(util::trim(astring).c_str(), nrf_ipv4_addr,
+                            "BAD IPv4 ADDRESS FORMAT FOR NRF !");
+    nrf_addr.ipv4_addr = nrf_ipv4_addr;
+    if (!(nrf_cfg.lookupValue(SMF_CONFIG_STRING_NRF_PORT, nrf_port))) {
+      Logger::smf_app().error(SMF_CONFIG_STRING_NRF_PORT "failed");
+      throw(SMF_CONFIG_STRING_NRF_PORT "failed");
+    }
+    nrf_addr.port = nrf_port;
+
+    if (!(nrf_cfg.lookupValue(SMF_CONFIG_STRING_API_VERSION,
+                              nrf_api_version))) {
+      Logger::smf_app().error(SMF_CONFIG_STRING_API_VERSION "failed");
+      throw(SMF_CONFIG_STRING_API_VERSION "failed");
+    }
+    nrf_addr.api_version = nrf_api_version;
+
     // Local configuration
     num_session_management_subscription = 0;
     const Setting &local_cfg = smf_cfg[SMF_CONFIG_STRING_LOCAL_CONFIGURATION];
@@ -818,6 +840,13 @@ void smf_config::display() {
   Logger::smf_app().info("    API version .........: %s",
                          udm_addr.api_version.c_str());
 
+  Logger::smf_app().info("- NRF:");
+  Logger::smf_app().info("    IPv4 Addr ...........: %s",
+                         inet_ntoa(*((struct in_addr *)&nrf_addr.ipv4_addr)));
+  Logger::smf_app().info("    Port ................: %lu  ", nrf_addr.port);
+  Logger::smf_app().info("    API version .........: %s",
+                         nrf_addr.api_version.c_str());
+
   Logger::smf_app().info("- Helpers:");
   Logger::smf_app().info("    Push PCO (DNS+MTU) ..: %s",
                          force_push_pco == 0 ? "false" : "true");

src/smf_app/smf_config.hpp

@@ -110,6 +110,10 @@
 #define SMF_CONFIG_STRING_UPF_LIST "UPF_LIST"
 #define SMF_CONFIG_STRING_UPF_IPV4_ADDRESS "IPV4_ADDRESS"
 
+#define SMF_CONFIG_STRING_NRF "NRF"
+#define SMF_CONFIG_STRING_NRF_IPV4_ADDRESS "IPV4_ADDRESS"
+#define SMF_CONFIG_STRING_NRF_PORT "PORT"
+
 #define SMF_CONFIG_STRING_LOCAL_CONFIGURATION "LOCAL_CONFIGURATION"
 #define SMF_CONFIG_STRING_USE_LOCAL_CONFIGURATION "USE_LOCAL_CONFIGURATION"
 #define SMF_CONFIG_STRING_SESSION_MANAGEMENT_SUBSCRIPTION_LIST \
@@ -221,6 +225,12 @@ class smf_config {
 
   std::vector<pfcp::node_id_t> upfs;
 
+  struct {
+    struct in_addr ipv4_addr;
+    unsigned int port;
+    std::string api_version;
+  } nrf_addr;
+
   // Local configuration
   bool local_configuration;
 #define SMF_NUM_SESSION_MANAGEMENT_SUBSCRIPTION_MAX 5
@@ -284,6 +294,10 @@ class smf_config {
     udm_addr.port = 80;
     udm_addr.api_version = "v1";
 
+    nrf_addr.ipv4_addr.s_addr = INADDR_ANY;
+    nrf_addr.port = 80;
+    nrf_addr.api_version = "v1";
+
     local_configuration = false;
     num_session_management_subscription = 0;