1 /*****************************************************************************
3 # Copyright 2019 AT&T Intellectual Property *
4 # Copyright 2019 Nokia *
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 *
10 # http://www.apache.org/licenses/LICENSE-2.0 *
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. *
18 ******************************************************************************/
24 #include "e2sim_sctp.hpp"
25 #include "e2ap_message_handler.hpp"
28 #include "e2sim_defs.h"
30 #include "e2ap_asn1c_codec.h"
35 void encode_and_send_sctp_data(E2AP_PDU_t* pdu, int client_fd)
40 data.len = e2ap_asn1c_encode_pdu(pdu, &buf);
41 memcpy(data.buffer, buf, min(data.len, MAX_SCTP_BUFFER));
43 sctp_send_data(client_fd, data);
46 void wait_for_sctp_data(int client_fd)
48 sctp_buffer_t recv_buf;
49 if(sctp_receive_data(client_fd, recv_buf) > 0)
51 LOG_I("[SCTP] Received new data of size %d", recv_buf.len);
52 e2ap_handle_sctp_data(client_fd, recv_buf);
56 int main(int argc, char* argv[]){
57 LOG_I("Start RIC Simulator");
59 options_t ops = read_input_options(argc, argv);
60 int client_fd = sctp_start_client(ops.server_ip, ops.server_port);
63 E2AP_PDU_t* pdu_setup = e2ap_xml_to_pdu("E2AP_ENDCX2SetupRequest.xml");
64 e2ap_asn1c_print_pdu(pdu_setup);
65 encode_and_send_sctp_data(pdu_setup, client_fd);
66 LOG_I("[SCTP] Sent ENDC X2 SETUP REQUEST");
68 //2. Receive ENDCX2SetupResponse
69 wait_for_sctp_data(client_fd);
71 //3. Send RICSubscriptionRequest
72 E2AP_PDU_t* pdu_sub = e2ap_xml_to_pdu("E2AP_RICsubscriptionRequest_Ashwin.xml");
73 e2ap_asn1c_print_pdu(pdu_sub);
74 encode_and_send_sctp_data(pdu_sub, client_fd);
75 LOG_I("[SCTP] Sent RIC SUBSCRIPTION REQUEST");
77 //4. Receive RICSubscriptionResponse
79 wait_for_sctp_data(client_fd);
83 //---------------------------------------
85 LOG_I("[SCTP] Connection closed.");