-/*****************************************************************************
-# *
-# Copyright 2019 AT&T Intellectual Property *
-# Copyright 2019 Nokia *
-# *
-# Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 *
-# *
-# 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. *
-# *
-******************************************************************************/
-
-#include <stdio.h>
-#include <unistd.h>
-#include <string>
-#include <iostream>
-
-
-#include "e2sim_defs.h"
-#include "asn_e2ap.hpp"
-#include "e2sim_sctp.hpp"
-#include "e2ap_message_handler.hpp"
-#include "e2ap_asn_codec.hpp"
-
-using namespace std;
-
-void test_send_X2Setup(int &client_fd)
-{
- //Create X2SetupRequest message
- e2ap_pdu_t* pdu = new_e2ap_pdu();
- eNB_config cfg;
-
- e2ap_create_X2SetupRequest(pdu, cfg);
- e2ap_print_pdu(pdu);
-
- //Encode into buffer
- sctp_buffer_t data;
- e2ap_encode_pdu(pdu, data.buffer, sizeof(data.buffer), data.len);
-
- //Send to sctp
- sctp_send_data(client_fd, data);
- LOG_I("[SCTP] Sent X2 SETUP REQUEST");
-
- //wait to receive response
- sctp_buffer_t recv_buf;
- if(sctp_receive_data(client_fd, recv_buf) > 0)
- {
- LOG_I("[SCTP] Received new data of size %d", recv_buf.len);
- e2ap_handle_sctp_data(client_fd, recv_buf);
- }
-
- }
-
-void test_send_ENDCX2Setup(int &client_fd)
-{
- //Create ENDCX2SetupRequest message
- e2ap_pdu_t* pdu = new_e2ap_pdu();
- eNB_config cfg;
-
- e2ap_create_ENDCX2SetupRequest(pdu, cfg);
- e2ap_print_pdu(pdu);
-
- //Encode into buffer
- sctp_buffer_t data;
- e2ap_encode_pdu(pdu, data.buffer, sizeof(data.buffer), data.len);
-
- //Send to sctp
- sctp_send_data(client_fd, data);
- LOG_I("[SCTP] Sent ENDC X2 SETUP REQUEST");
-
- //wait to receive response
- sctp_buffer_t recv_buf;
- if(sctp_receive_data(client_fd, recv_buf) > 0)
- {
- LOG_I("[SCTP] Received new data of size %d", recv_buf.len);
- e2ap_handle_sctp_data(client_fd, recv_buf);
- }
-
-}
-
-void test_send_RICSubscriptionRequest(int &client_fd)
-{
- LOG_I("Test RIC SUBSCRIPTION");
-
- /* Create RIC SUBSCRITION REQUEST */
- e2ap_pdu_t* pdu = new_e2ap_pdu();
-
- RICsubscription_params_t params;
- params.request_id = 2;
- params.seq_number = 200;
- params.ran_func_id = 0;
- params.event_trigger_def = "hello world";
-
- RIC_action_t action1(1, RICactionType_report);
- // RIC_action_t action2(3, RICactionType_insert);
- // RIC_action_t action3(5, RICactionType_insert);
- // RIC_action_t action4(7, RICactionType_insert);
- params.actionList.push_back(action1);
- // params.actionList.push_back(action2);
- // params.actionList.push_back(action3);
- // params.actionList.push_back(action4);
-
- e2ap_create_RICsubscriptionRequest(pdu, params);
- e2ap_print_pdu(pdu);
-
- //Encode into buffer
- sctp_buffer_t data;
- e2ap_encode_pdu(pdu, data.buffer, sizeof(data.buffer), data.len);
-
- //Send to sctp
- sctp_send_data(client_fd, data);
- LOG_I("[SCTP] Sent RIC SUBSCRIPTION REQUEST");
-
- //wait to receive response and indication (if any)
- sctp_buffer_t recv_buf;
- LOG_I("[SCTP] Waiting for SCTP data");
- while(1)
- {
- if(sctp_receive_data(client_fd, recv_buf) > 0)
- {
- LOG_I("[SCTP] Received new data of size %d", recv_buf.len);
- e2ap_handle_sctp_data(client_fd, recv_buf);
- }
- else
- break;
-
- }
-
-
- return;
- //==========================================================================
-
- //decode
- e2ap_pdu_t* pdu2 = new_e2ap_pdu();
-
- e2ap_decode_pdu(pdu2, data.buffer, data.len);
-
- RICsubscription_params_t params2;
- e2ap_parse_RICsubscriptionRequest(pdu2, params2);
- printf("request_id = %d\n", params2.request_id);
- printf("seq_number = %d\n", params2.seq_number);
- printf("ran_func_id = %d\n", params2.ran_func_id);
- printf("event = %s\n", ¶ms2.event_trigger_def[0]);
-
- for( auto const &a : params.actionList)
- {
- printf("action id = %d, action type = %d\n", (int)a.action_id, (int)a.action_type);
- }
-
-
- LOG_I("================= RESPONSE ===========================");
- for(size_t i = 0; i < params2.actionList.size(); i++)
- {
- //example logic: admit every other action
- if(i%2 == 0) {
- params2.actionList[i].isAdmitted = true;
- } else {
- params2.actionList[i].isAdmitted = false;
- params2.actionList[i].notAdmitted_cause = RICcause_radioNetwork;
- params2.actionList[i].notAdmitted_subCause = 5;
- }
- }
-
- e2ap_pdu_t* res_pdu = new_e2ap_pdu();
- e2ap_create_RICsubscriptionResponse(res_pdu, params2);
-
- e2ap_print_pdu(res_pdu);
-
- //Encode into buffer
- sctp_buffer_t data_resp;
- e2ap_encode_pdu(res_pdu, data_resp.buffer, sizeof(data_resp.buffer), data_resp.len);
-
- LOG_I("================= FAILURE ===========================");
- e2ap_pdu_t* fail_pdu = new_e2ap_pdu();
-
- RICsubscription_params_t params3;
- e2ap_parse_RICsubscriptionRequest(pdu2, params3);
-
- for(size_t i = 0; i < params3.actionList.size(); i++)
- {
- params3.actionList[i].isAdmitted = false;
- params3.actionList[i].notAdmitted_cause = RICcause_radioNetwork;
- params3.actionList[i].notAdmitted_subCause = 5;
- }
-
- e2ap_create_RICsubscriptionFailure(fail_pdu, params3);
- e2ap_print_pdu(fail_pdu);
-
- //Encode into buffer
- sctp_buffer_t data_fail;
- e2ap_encode_pdu(fail_pdu, data_fail.buffer, sizeof(data_fail.buffer), data_fail.len);
-
-}
-
-int main(int argc, char* argv[]){
-
- LOG_I("E2 Termination Test");
-
- // test_send_RICSubscriptionRequest();
- // return 0;
-
- options_t ops = read_input_options(argc, argv);
- int client_fd = sctp_start_client(ops.server_ip, ops.server_port);
-
- //---------------------------------------------------
- // test_send_X2Setup(client_fd);
- test_send_ENDCX2Setup(client_fd);
- test_send_RICSubscriptionRequest(client_fd);
-
- //---------------------------------------------------
-
- close(client_fd);
- LOG_I("[SCTP] Connection closed.");
-
- return 0;
-}