--- /dev/null
+/*****************************************************************************
+# *
+# 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 <assert.h>
+
+#include "e2sim_sctp.hpp"
+#include "e2ap_message_handler.hpp"
+
+extern "C" {
+ #include "e2sim_defs.h"
+ #include "E2AP-PDU.h"
+ #include "e2ap_asn1c_codec.h"
+
+ #include "ProtocolIE-Field.h"
+}
+
+using namespace std;
+
+void encode_and_send_sctp_data(E2AP_PDU_t* pdu, int client_fd)
+{
+ uint8_t *buf;
+ sctp_buffer_t data;
+
+ data.len = e2ap_asn1c_encode_pdu(pdu, &buf);
+ memcpy(data.buffer, buf, min(data.len, MAX_SCTP_BUFFER));
+
+ sctp_send_data(client_fd, data);
+}
+
+void wait_for_sctp_data(int client_fd)
+{
+ 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 set_seqnum(E2AP_PDU_t* pdu)
+{
+ InitiatingMessage_t *initiatingMessage = pdu->choice.initiatingMessage;
+ // xer_fprint(stdout, &asn_DEF_InitiatingMessage, (void *)initiatingMessage);
+
+ RICsubscriptionRequest_t *request = &initiatingMessage->value.choice.RICsubscriptionRequest;
+ xer_fprint(stdout, &asn_DEF_RICsubscriptionRequest, (void *)request);
+
+ LOG_I("num of IEs = %d", request->protocolIEs.list.count);
+
+ RICsubscriptionRequest_IEs_t *ie;
+
+ ie = request->protocolIEs.list.array[2];
+
+ xer_fprint(stdout, &asn_DEF_RICsubscription, (void *)ie);
+
+ // e2ap_asn1c_print_pdu(pdu);
+}
+
+int subresponse_get_sequenceNum(E2AP_PDU_t* pdu)
+{
+ SuccessfulOutcome_t *responseMsg = pdu->choice.successfulOutcome;
+
+ RICrequestID_t *requestid;
+
+ int num_IEs = responseMsg->value.choice.RICsubscriptionResponse.protocolIEs.list.count;
+
+ for(int edx = 0; edx < num_IEs; edx++)
+ {
+ RICsubscriptionResponse_IEs_t *memb_ptr =
+ responseMsg->value.choice.RICsubscriptionResponse.protocolIEs.list.array[edx];
+
+ switch(memb_ptr->id)
+ {
+ case (ProtocolIE_ID_id_RICrequestID):
+ requestid = &memb_ptr->value.choice.RICrequestID;
+ // xer_fprint(stdout, &asn_DEF_RICrequestID, (void *)requestid);
+ return requestid->ricRequestSequenceNumber;
+ break;
+ }
+ }
+}
+
+void subrequest_set_sequenceNum(E2AP_PDU_t* pdu, int seq)
+{
+ InitiatingMessage_t *initiatingMessage = pdu->choice.initiatingMessage;
+
+ RICrequestID_t *requestid;
+
+ int num_IEs = initiatingMessage->value.choice.RICsubscriptionRequest.protocolIEs.list.count;
+
+ for(int edx = 0; edx < num_IEs; edx++)
+ {
+ RICsubscriptionRequest_IEs_t *memb_ptr =
+ initiatingMessage->value.choice.RICsubscriptionRequest.protocolIEs.list.array[edx];
+
+ switch(memb_ptr->id)
+ {
+ case (ProtocolIE_ID_id_RICrequestID):
+ requestid = &memb_ptr->value.choice.RICrequestID;
+ requestid->ricRequestSequenceNumber = seq;
+ break;
+ }
+ }
+
+}
+
+void subscription_response_get_field(E2AP_PDU_t* pdu)
+{
+ SuccessfulOutcome_t *responseMsg = pdu->choice.successfulOutcome;
+
+ RICrequestID_t *requestid;
+ RANfunctionID_t * ranfunctionid;
+ RICsubscription_t * ricsubscription;
+
+ int requestID_val, sequenceNum;
+
+ int num_IEs = responseMsg->value.choice.RICsubscriptionResponse.protocolIEs.list.count;
+
+ LOG_I("num of IEs = %d", num_IEs);
+
+ for(int edx = 0; edx < num_IEs; edx++)
+ {
+ RICsubscriptionResponse_IEs_t *memb_ptr =
+ responseMsg->value.choice.RICsubscriptionResponse.protocolIEs.list.array[edx];
+
+ switch(memb_ptr->id)
+ {
+ case (ProtocolIE_ID_id_RICrequestID):
+ requestid = &memb_ptr->value.choice.RICrequestID;
+ xer_fprint(stdout, &asn_DEF_RICrequestID, (void *)requestid);
+ requestID_val = requestid->ricRequestorID;
+ sequenceNum = requestid->ricRequestSequenceNumber;
+ requestid->ricRequestSequenceNumber = 202;
+ break;
+
+ case (ProtocolIE_ID_id_RANfunctionID):
+ ranfunctionid = &memb_ptr->value.choice.RANfunctionID;
+ xer_fprint(stdout, &asn_DEF_RANfunctionID, (void *)ranfunctionid);
+ break;
+
+ // case (ProtocolIE_ID_id_RICsubscription):
+ // ricsubscription = &memb_ptr->value.choice.RICsubscription;
+ // xer_fprint(stdout, &asn_DEF_RICsubscription, (void *)ricsubscription);
+ // break;
+ }
+ }
+
+ LOG_I("Request ID = %d, seq = %d", requestID_val, sequenceNum);
+}
+
+void subscription_request_get_field(E2AP_PDU_t* pdu)
+{
+ InitiatingMessage_t *initiatingMessage = pdu->choice.initiatingMessage;
+
+ RICrequestID_t *requestid;
+ RANfunctionID_t * ranfunctionid;
+ RICsubscription_t * ricsubscription;
+
+ int num_IEs = initiatingMessage->value.choice.RICsubscriptionRequest.protocolIEs.list.count;
+
+ LOG_I("num of IEs = %d", num_IEs);
+
+ for(int edx = 0; edx < num_IEs; edx++)
+ {
+ RICsubscriptionRequest_IEs_t *memb_ptr =
+ initiatingMessage->value.choice.RICsubscriptionRequest.protocolIEs.list.array[edx];
+
+ switch(memb_ptr->id)
+ {
+ case (ProtocolIE_ID_id_RICrequestID):
+ requestid = &memb_ptr->value.choice.RICrequestID;
+ xer_fprint(stdout, &asn_DEF_RICrequestID, (void *)requestid);
+ break;
+
+ case (ProtocolIE_ID_id_RANfunctionID):
+ ranfunctionid = &memb_ptr->value.choice.RANfunctionID;
+ xer_fprint(stdout, &asn_DEF_RANfunctionID, (void *)ranfunctionid);
+ break;
+
+ case (ProtocolIE_ID_id_RICsubscription):
+ ricsubscription = &memb_ptr->value.choice.RICsubscription;
+ xer_fprint(stdout, &asn_DEF_RICsubscription, (void *)ricsubscription);
+ break;
+ }
+ }
+}
+
+int main(int argc, char* argv[]){
+ LOG_I("Start RIC Simulator - Performance Test");
+
+ options_t ops = read_input_options(argc, argv);
+ int client_fd = sctp_start_client(ops.server_ip, ops.server_port);
+
+ //1. Send ENDCX2Setup
+ E2AP_PDU_t* pdu_setup = e2ap_xml_to_pdu("E2AP_ENDCX2SetupRequest.xml");
+ // e2ap_asn1c_print_pdu(pdu_setup);
+ encode_and_send_sctp_data(pdu_setup, client_fd);
+ LOG_I("[SCTP] Sent ENDC X2 SETUP REQUEST");
+
+ //2. Receive ENDCX2SetupResponse
+ wait_for_sctp_data(client_fd);
+
+ //3. Send RICSubscriptionRequest
+ E2AP_PDU_t* pdu_sub = e2ap_xml_to_pdu("E2AP_RICsubscriptionRequest_Ashwin.xml");
+ e2ap_asn1c_print_pdu(pdu_sub);
+ encode_and_send_sctp_data(pdu_sub, client_fd);
+ LOG_I("[SCTP] Sent RIC SUBSCRIPTION REQUEST");
+
+
+ //4. Receive RIC SUBSCRIPT RESPONSE
+ int count = 0;
+
+ while(1)
+ {
+ usleep(1000); //sleep for one ms
+
+ sctp_buffer_t recv_buf;
+
+ int res_seq;
+
+ 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);
+
+ E2AP_PDU_t* res_pdu = new E2AP_PDU_t();
+
+ e2ap_asn1c_decode_pdu(res_pdu, recv_buf.buffer, recv_buf.len);
+
+ int procedureCode = e2ap_asn1c_get_procedureCode(res_pdu);
+ int index = (int)res_pdu->present;
+
+ if(index == E2AP_PDU_PR_successfulOutcome && \
+ procedureCode == ProcedureCode_id_ricSubscription)
+ {
+ res_seq =subresponse_get_sequenceNum(res_pdu);
+ count++;
+
+ LOG_I("Received RIC SUBSCRIPTION RESPONSE, seq = %d, totalCount = %d",\
+ res_seq, count);
+
+ //Put res_seq in new subscription request
+ E2AP_PDU_t* req_pdu = e2ap_xml_to_pdu("E2AP_RICsubscriptionRequest.xml");
+ subrequest_set_sequenceNum(req_pdu, res_seq);
+ // e2ap_asn1c_print_pdu(req_pdu);
+
+ encode_and_send_sctp_data(req_pdu, client_fd);
+ LOG_I("Send new SUBSCRIPT REQUEST, seq = %d", res_seq);
+ }
+
+ }
+ }
+
+
+ // E2AP_PDU_t* res_pdu = e2ap_xml_to_pdu("E2AP_RICsubscriptionResponse.xml");
+ //
+ // //Extract subscription response sequence number
+ // int res_seq = subresponse_get_sequenceNum(res_pdu);
+ // LOG_I("Subscription Response SeqNo = %d", res_seq);
+ //
+ // //Put responseSeq in new subscription request
+ // E2AP_PDU_t* req_pdu = e2ap_xml_to_pdu("E2AP_RICsubscriptionRequest.xml");
+ //
+ // subrequest_set_sequenceNum(req_pdu, res_seq);
+
+ // e2ap_asn1c_print_pdu(req_pdu);
+
+ return 0;
+}
Code Review / sim / e2-interface.git / blobdiff