e2sim/e2apv1sim/test/X2/x2termination_test.cpp

   1 /*****************************************************************************
   2 #                                                                            *
   3 # Copyright 2019 AT&T Intellectual Property                                  *
   4 # Copyright 2019 Nokia                                                       *
   5 #                                                                            *
   6 # Licensed under the Apache License, Version 2.0 (the "License");            *
   7 # you may not use this file except in compliance with the License.           *
   8 # You may obtain a copy of the License at                                    *
   9 #                                                                            *
  10 #      http://www.apache.org/licenses/LICENSE-2.0                            *
  11 #                                                                            *
  12 # Unless required by applicable law or agreed to in writing, software        *
  13 # distributed under the License is distributed on an "AS IS" BASIS,          *
  14 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   *
  15 # See the License for the specific language governing permissions and        *
  16 # limitations under the License.                                             *
  17 #                                                                            *
  18 ******************************************************************************/
  19
  20 #include <stdio.h>
  21 #include <string>
  22 #include <iostream>
  23
  24 #include "e2sim_defs.h"
  25 #include "asn_x2ap.hpp"
  26 #include "e2sim_sctp.hpp"
  27 #include "x2ap_message_handler.hpp"
  28 #include "x2ap_asn_codec.hpp"
  29
  30 using namespace std;
  31
  32 void test_X2Setup(int &client_fd)
  33 {
  34   //Create X2SetupRequest message
  35   x2ap_pdu_t* pdu = new_x2ap_pdu();
  36   eNB_config cfg;
  37
  38   x2ap_create_X2SetupRequest(pdu, cfg);
  39   x2ap_print_pdu(pdu);
  40
  41   //Encode into buffer
  42   sctp_buffer_t data;
  43   x2ap_encode_pdu(pdu, data.buffer, sizeof(data.buffer), data.len);
  44
  45   //Send to sctp
  46   sctp_send_data(client_fd, data);
  47   LOG_I("[SCTP] Sent X2 SETUP REQUEST");
  48
  49   //expect X2 SETUP RESPONSE
  50   sctp_buffer_t recv_buf;
  51   if(sctp_receive_data(client_fd, recv_buf) > 0)
  52   {
  53     LOG_I("[SCTP] Received new data of size %d", recv_buf.len);
  54     x2ap_handle_sctp_data(client_fd, recv_buf);
  55   }
  56
  57   //Send again, expect X2 SETUP FAILURE
  58   sctp_send_data(client_fd, data);
  59   LOG_I("[SCTP] Sent X2 SETUP REQUEST");
  60
  61   if(sctp_receive_data(client_fd, recv_buf) > 0)
  62   {
  63     LOG_I("[SCTP] Received new data of size %d", recv_buf.len);
  64     x2ap_handle_sctp_data(client_fd, recv_buf);
  65   }
  66
  67 }
  68
  69 void test_ENDCX2Setup(int &client_fd)
  70 {
  71   //Create ENDCX2SetupRequest message
  72   x2ap_pdu_t* pdu = new_x2ap_pdu();
  73   eNB_config cfg;
  74
  75   x2ap_create_ENDCX2SetupRequest(pdu, cfg);
  76   x2ap_print_pdu(pdu);
  77
  78   //Encode into buffer
  79   sctp_buffer_t data;
  80   x2ap_encode_pdu(pdu, data.buffer, sizeof(data.buffer), data.len);
  81
  82   //Send to sctp
  83   sctp_send_data(client_fd, data);
  84   LOG_I("[SCTP] Sent ENDC X2 SETUP REQUEST");
  85
  86   //expect ENDC X2 SETUP RESPONSE
  87   sctp_buffer_t recv_buf;
  88   if(sctp_receive_data(client_fd, recv_buf) > 0)
  89   {
  90     LOG_I("[SCTP] Received new data of size %d", recv_buf.len);
  91     x2ap_handle_sctp_data(client_fd, recv_buf);
  92   }
  93
  94   //Send again, expect ENDC X2 SETUP FAILURE
  95   sctp_send_data(client_fd, data);
  96   LOG_I("[SCTP] Sent ENDC X2 SETUP REQUEST");
  97
  98   if(sctp_receive_data(client_fd, recv_buf) > 0)
  99   {
 100     LOG_I("[SCTP] Received new data of size %d", recv_buf.len);
 101     x2ap_handle_sctp_data(client_fd, recv_buf);
 102   }
 103
 104 }
 105
 106 int main(int argc, char* argv[]){
 107
 108   LOG_I("X2 Termination Test");
 109
 110   options_t ops = read_input_options(argc, argv);
 111
 112   int client_fd = sctp_start_client(ops.server_ip, ops.server_port);
 113
 114   test_X2Setup(client_fd);
 115   // test_ENDCX2Setup(client_fd);
 116
 117
 118   return 0;
 119 }