stateless support

etc/stateless-amf-1.conf

+################################################################################
+# Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The OpenAirInterface Software Alliance licenses this file to You under
+# the OAI Public License, Version 1.1  (the "License"); you may not use this file
+# except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.openairinterface.org/?page_id=698
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#-------------------------------------------------------------------------------
+# For more information about the OpenAirInterface (OAI) Software Alliance:
+#      contact@openairinterface.org
+################################################################################
+
+AMF = 
+{
+  INSTANCE_ID = 10;            # 0 is the default
+  PID_DIRECTORY = "/var/run";   # /var/run is the default
+  
+  AMF_NAME = "OAI-AMF";
+  
+  RELATIVE_CAPACITY = 30;
+  # Display statistics about whole system (in seconds)
+  STATISTICS_TIMER_INTERVAL = 20;  # YOUR CONFIG HERE
+ 
+  AMF_ID_REGION = 11000;
+ 
+  CORE_CONFIGURATION:
+  {
+    EMERGENCY_SUPPORT = "false";
+  };
+  
+  GUAMI: 
+  {
+    MCC = "460"; MNC = "99"; RegionID = "128"; AMFSetID = "1"; AMFPointer = "1" # YOUR GUAMI CONFIG HERE
+  }
+  
+  SERVED_GUAMI_LIST = (
+    {MCC = "460"; MNC = "99"; RegionID = "128"; AMFSetID = "1"; AMFPointer = "0"} #48bits <MCC><MNC><RegionID><AMFSetID><AMFPointer>
+    #{MCC = "110"; MNC = "11"; RegionID = "10"; AMFSetID = "1"; AMFPointer = "1"}  #48bits <MCC><MNC><RegionID><AMFSetID><AMFPointer>
+  );
+    
+  PLMN_SUPPORT_LIST = (
+  {
+    MCC = "460"; MNC = "99"; TAC = 100;  # YOUR PLMN CONFIG HERE
+    SLICE_SUPPORT_LIST = (
+      {SST = "1"; SD = "none"}  # YOUR NSSAI CONFIG HERE
+     # {SST = "1"; SD = "12"}   # YOUR NSSAI CONFIG HERE
+     )
+  }
+  );
+    
+  INTERFACES:
+  {
+    # AMF binded interface for N1/N2 interface (NGAP) 
+    NGAP_AMF: 
+    {
+      INTERFACE_NAME = "ens34";  # YOUR NETWORK CONFIG HERE
+      IPV4_ADDRESS   = "read";
+      PORT           = 9999;                            # YOUR NETWORK CONFIG HERE
+      PPID           = 60;                               # YOUR NETWORK CONFIG HERE
+    };
+
+     # AMF binded interface for Nausf interface
+    NAUSF:
+    {
+      INTERFACE_NAME = "ens18";            # YOUR NETWORK CONFIG HERE
+      IPV4_ADDRESS   = "10.103.239.53/16";
+      PORT           = 8383;               # YOUR NETWORK CONFIG HERE
+    };
+
+     NRF :
+    {
+      IPV4_ADDRESS = "10.103.239.54"; # YOUR NRF CONFIG HERE
+      PORT         =  80;  # YOUR NRF CONFIG HERE (default: 80)
+      API_VERSION  =  "v1"; # YOUR NRF API VERSION FOR SBI CONFIG HERE
+    };
+  SUPPORT_FEATURES: 
+  {
+     # STRING, {"yes", "no"}, 
+     NF_REGISTRATION = "yes";  # Set to yes if AMF resgisters to an NRF
+     SMF_SELECTION   = "no";  # Set to yes to enable SMF discovery and selection
+     EXTERNAL_AUSF   = "yes";  # Set to yes if AMF works with an external AUSF
+     EXTERNAL_UDM    = "no";  # Set to yes if AMF works with an external UDM
+  };
+    # AMF binded interface for N11 
+    N11:
+    {
+      INTERFACE_NAME = "ens19"; # YOUR NETWORK CONFIG HERE
+      IPV4_ADDRESS   = "read"; 
+      PORT           = 8282;                             # YOUR NETWORK CONFIG HERE
+      
+      SMF_INSTANCES_POOL = (
+        {SMF_INSTANCE_ID = 1; IPV4_ADDRESS = "10.103.239.53"; PORT = "8889"; VERSION = "v2"; SELECTED = "true"},   # YOUR SMF CONFIG HERE
+        {SMF_INSTANCE_ID = 2; IPV4_ADDRESS = "192.168.122.2"; PORT = "80"; VERSION = "v1"; SELECTED = "false"} # YOUR SMF CONFIG HERE
+      );
+    };
+  };
+    
+
+  AUTHENTICATION:
+  {
+    ## MySQL mandatory options
+    MYSQL_server = "127.0.0.1"; # MySQL Server address
+    MYSQL_user   = "witcomm";   # Database server login
+    MYSQL_pass   = "123456";   # Database server password
+    MYSQL_db     = "witcomm";     # Your database name
+    
+    ## OP
+    OPERATOR_key = "63bfa50ee6523365ff14c1f45f88737d"; # OP key matching your database
+    RANDOM = "true";
+  };
+  
+  NAS:
+  {
+    ORDERED_SUPPORTED_INTEGRITY_ALGORITHM_LIST = [ "NIA1" , "NIA1" , "NIA1" ];
+    ORDERED_SUPPORTED_CIPHERING_ALGORITHM_LIST = [ "NEA0" , "NEA1" , "NEA2" ];
+  };
+  
+};
+
+
+MODULES =
+{
+  NGAP_MESSAGE = (
+    {MSG_NAME = "NGSetupRequest"; ProcedureCode = 21; TypeOfMessage = "initialMessage"}
+  );
+};

etc/stateless-amf-2.conf

@@ -28,7 +28,9 @@ AMF =
   
   RELATIVE_CAPACITY = 30;
   # Display statistics about whole system (in seconds)
-  STATISTICS_TIMER_INTERVAL = 20;  # YOUR CONFIG HERE
+  STATISTICS_TIMER_INTERVAL = 4;  # YOUR CONFIG HERE
+ 
+  AMF_ID_REGION = 4000;
  
   CORE_CONFIGURATION:
   {
@@ -70,7 +72,7 @@ AMF =
     NAUSF:
     {
       INTERFACE_NAME = "ens18";            # YOUR NETWORK CONFIG HERE
-      IPV4_ADDRESS   = "read";
+      IPV4_ADDRESS   = "10.103.239.53/16";
       PORT           = 8383;               # YOUR NETWORK CONFIG HERE
     };
 
@@ -84,19 +86,19 @@ AMF =
   {
      # STRING, {"yes", "no"}, 
      NF_REGISTRATION = "yes";  # Set to yes if AMF resgisters to an NRF
-     SMF_SELECTION   = "yes";  # Set to yes to enable SMF discovery and selection
+     SMF_SELECTION   = "no";  # Set to yes to enable SMF discovery and selection
      EXTERNAL_AUSF   = "yes";  # Set to yes if AMF works with an external AUSF
      EXTERNAL_UDM    = "no";  # Set to yes if AMF works with an external UDM
   };
     # AMF binded interface for N11 
     N11:
     {
-      INTERFACE_NAME = "ens19"; # YOUR NETWORK CONFIG HERE
+      INTERFACE_NAME = "ens18"; # YOUR NETWORK CONFIG HERE
       IPV4_ADDRESS   = "read"; 
-      PORT           = 8283;                             # YOUR NETWORK CONFIG HERE
+      PORT           = 8282;                             # YOUR NETWORK CONFIG HERE
       
       SMF_INSTANCES_POOL = (
-        {SMF_INSTANCE_ID = 1; IPV4_ADDRESS = "10.103.239.53"; PORT = "8889"; VERSION = "v2"; SELECTED = "false"},   # YOUR SMF CONFIG HERE
+        {SMF_INSTANCE_ID = 1; IPV4_ADDRESS = "10.103.239.53"; PORT = "8889"; VERSION = "v2"; SELECTED = "true"},   # YOUR SMF CONFIG HERE
         {SMF_INSTANCE_ID = 2; IPV4_ADDRESS = "192.168.122.2"; PORT = "80"; VERSION = "v1"; SELECTED = "false"} # YOUR SMF CONFIG HERE
       );
     };

src/amf-app/amf_n11.cpp

@@ -45,7 +45,7 @@
 #include "SmContextCreateData.h"
 #include "mime_parser.hpp"
 #include "ue_context.hpp"
-
+#include <sys/time.h>
 extern "C" {
 #include "dynamic_memory_check.h"
 }
@@ -65,6 +65,8 @@ extern amf_n1* amf_n1_inst;
 extern amf_n2* amf_n2_inst;
 extern amf_app* amf_app_inst;
 extern statistics stacs;
+extern std::vector<long> delay_nudsf;
+extern std::vector<long> amf_capability;
 
 extern void msg_str_2_msg_hex(std::string msg, bstring& b);
 extern void convert_string_2_hex(std::string& input, std::string& output);
@@ -108,6 +110,7 @@ void amf_n11_task(void*) {
   do {
     std::shared_ptr<itti_msg> shared_msg = itti_inst->receive_msg(task_id);
     auto* msg                            = shared_msg.get();
+    struct timeval tv1; struct timezone tz1; gettimeofday(&tv1,&tz1); long t1 = tv1.tv_sec*1000000 +tv1.tv_usec;
     switch (msg->msg_type) {
       case SMF_SERVICES_CONSUMER: {
         Logger::amf_n11().info("Running SMF_SERVICES_CONSUMER");
@@ -148,6 +151,8 @@ void amf_n11_task(void*) {
             "Receive unknown message type %d", msg->msg_type);
       }
     }
+    struct timeval tv2; struct timezone tz2; gettimeofday(&tv2,&tz2); long t2 = tv2.tv_sec*1000000 +tv2.tv_usec;
+    //long one_time = t2 - t1; amf_capability.push_back(one_time);
   } while (true);
 }
 
@@ -193,7 +198,10 @@ void amf_n11::handle_itti_message(
   }
   else{
      Logger::amf_n2().debug("udsf_response: %s", udsf_response.dump().c_str());
+      struct timeval tv1; struct timezone tz1; gettimeofday(&tv1,&tz1); long start = tv1.tv_sec*1000000 +tv1.tv_usec;
       nc.get()->nas_context_from_json(udsf_response);
+      struct timeval tv2; struct timezone tz2; gettimeofday(&tv2,&tz2); long end = tv2.tv_sec*1000000 +tv2.tv_usec;
+      long one_time = end - start; //delay_nudsf.push_back(one_time);
   }
   std::string supi ="imsi-" + nc.get()->imsi ;
   Logger::amf_n11().debug(
@@ -209,7 +217,10 @@ return ;
   }
   else{
      Logger::amf_n2().debug("udsf_response: %s", udsf_response.dump().c_str());
+      struct timeval tv1; struct timezone tz1; gettimeofday(&tv1,&tz1); long start = tv1.tv_sec*1000000 +tv1.tv_usec;
       psc.get()->pdu_session_context_from_json(udsf_response);
+      struct timeval tv2; struct timezone tz2; gettimeofday(&tv2,&tz2); long end = tv2.tv_sec*1000000 +tv2.tv_usec;
+      long one_time = end - start; //delay_nudsf.push_back(one_time);
   }
 
   // std::shared_ptr<nas_context> nc = std::shared_ptr<nas_context>(new nas_context());
@@ -263,7 +274,10 @@ return ;
   smf_addr        = psc->smf_addr;
   std::string smf_ip_addr, remote_uri;
   std::shared_ptr<pdu_session_context> context = std::shared_ptr<pdu_session_context>(new pdu_session_context());
+  struct timeval tv1; struct timezone tz1; gettimeofday(&tv1,&tz1); long start = tv1.tv_sec*1000000 +tv1.tv_usec;
   context.get()->pdu_session_context_from_json(udsf_response);
+  struct timeval tv2; struct timezone tz2; gettimeofday(&tv2,&tz2); long end = tv2.tv_sec*1000000 +tv2.tv_usec;
+  long one_time = end - start; //delay_nudsf.push_back(one_time);
   //context = supi_to_pdu_ctx(supi);
   // remove http port from the URI if existed
   std::size_t found_port = smf_addr.find(":");
@@ -322,7 +336,10 @@ void amf_n11::handle_itti_message(itti_smf_services_consumer& smf) {
   else{
      Logger::amf_n2().debug("udsf_response: %s", udsf_response.dump().c_str());
      psc = std::shared_ptr<pdu_session_context>(new pdu_session_context());
+     struct timeval tv1; struct timezone tz1; gettimeofday(&tv1,&tz1); long start = tv1.tv_sec*1000000 +tv1.tv_usec;
      psc.get()->pdu_session_context_from_json(udsf_response);
+     struct timeval tv2; struct timezone tz2; gettimeofday(&tv2,&tz2); long end = tv2.tv_sec*1000000 +tv2.tv_usec;
+     long one_time = end - start; //delay_nudsf.push_back(one_time);
       if(psc.get()->isn2sm_avaliable==false)
       {
         psc = std::shared_ptr<pdu_session_context>(new pdu_session_context());
@@ -539,7 +556,7 @@ void amf_n11::handle_pdu_session_initial_request(
 
   // TODO: Remove hardcoded values
    std::string remote_uri =
-      smf_addr  + ":8889/nsmf-pdusession/v2/sm-contexts";
+      smf_addr  + "/nsmf-pdusession/v2/sm-contexts";
   nlohmann::json pdu_session_establishment_request;
   pdu_session_establishment_request["supi"]          = supi.c_str();
   pdu_session_establishment_request["pei"]           = "imei-200000000000001";
@@ -591,7 +608,10 @@ void amf_n11::handle_itti_message(
   }
   else{
      Logger::amf_n2().debug("udsf_response: %s", udsf_response.dump().c_str());
+      struct timeval tv1; struct timezone tz1; gettimeofday(&tv1,&tz1); long start = tv1.tv_sec*1000000 +tv1.tv_usec;
       psc.get()->pdu_session_context_from_json(udsf_response);
+      struct timeval tv2; struct timezone tz2; gettimeofday(&tv2,&tz2); long end = tv2.tv_sec*1000000 +tv2.tv_usec;
+      long one_time = end - start; //delay_nudsf.push_back(one_time);
       //psc = std::shared_ptr<pdu_session_context>(psc1);
   }
   //***************************stateless
@@ -705,7 +725,10 @@ void amf_n11::curl_http_client(
   Logger::amf_n2().debug("udsf_response: %s", udsf_response.dump().c_str());
   //psc1->pdu_session_context_from_json(udsf_response);
   //psc = std::shared_ptr<pdu_session_context>(psc1);
+  struct timeval tv1; struct timezone tz1; gettimeofday(&tv1,&tz1); long start = tv1.tv_sec*1000000 +tv1.tv_usec;
   psc.get()->pdu_session_context_from_json(udsf_response);
+  struct timeval tv2; struct timezone tz2; gettimeofday(&tv2,&tz2); long end = tv2.tv_sec*1000000 +tv2.tv_usec;
+  long one_time = end - start; //delay_nudsf.push_back(one_time);
   //***************************stateless
 
   // if (is_supi_to_pdu_ctx(supi)) {

src/itti/itti.hpp

@@ -124,7 +124,8 @@ class itti_task_ctxt {
 };
 
 class itti_mw {
- private:
+ //private:
+ public:
   itti_task_ctxt* itti_task_ctxts[TASK_MAX];
 
   /*

src/oai-amf/main.cpp

@@ -40,6 +40,7 @@
 #include "amf_module_from_config.hpp"
 #include "amf_statistics.hpp"
 
+#include <fstream>
 #include <string>
 #include <cstring>
 #include "normalizer.hh"
@@ -57,6 +58,10 @@ amf_modules modules;
 itti_mw* itti_inst    = nullptr;
 amf_app* amf_app_inst = nullptr;
 statistics stacs;
+std::vector<long> delay_nudsf;
+std::vector<long> delay_processing;
+ofstream timeline;
+
 
 //------------------------------------------------------------------------------
 int main(int argc, char** argv) {
@@ -67,6 +72,8 @@ int main(int argc, char** argv) {
     return 1;
   }
 
+  //timeline.open("stacs.log", ios::app);
+
   Logger::init("AMF", Options::getlogStdout(), Options::getlogRotFilelog());
   Logger::amf_app().startup("Options parsed!");