--- /dev/null
+/*
+==================================================================================
+
+ Copyright (c) 2019-2020 AT&T Intellectual Property.
+
+ 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.
+==================================================================================
+*/
+/*
+ * e2ap_E2APSubscriptionResponse.cc
+ *
+ *
+ * Author: SJana, Ashwin Sridharan
+ */
+#include<e2ap_subscription_response.hpp>
+
+E2APSubscriptionResponse::E2APSubscriptionResponse(SubscriptionResponseIEs& subObj){
+
+ _responseIEs = std::make_unique<SubscriptionResponseIEs>();
+ *_responseIEs = subObj;
+
+ _e2ap_pdu_obj = 0;
+ _e2ap_pdu_obj = (E2AP_PDU_t *)calloc(1, sizeof(E2AP_PDU_t));
+ assert(_e2ap_pdu_obj != 0);
+
+ _successMsg = 0;
+ _successMsg = (SuccessfulOutcome_t *)calloc(1, sizeof(SuccessfulOutcome_t));
+ assert(_successMsg != 0);
+
+
+
+ IE_array = 0;
+ IE_array = (RICsubscriptionResponse_IEs_t *)calloc(RIC_SUB_RESPONSE_IES_COUNT, sizeof(RICsubscriptionResponse_IEs_t));
+ assert(IE_array != 0);
+
+ ie_admitted_list = 0;
+
+ ie_not_admitted_list = 0;
+
+
+};
+
+// Clear assigned protocolIE list from RIC indication IE container
+E2APSubscriptionResponse::~E2APSubscriptionResponse(void){
+
+ RICsubscriptionResponse_t * ric_subscriptionResponse = &(_successMsg->value.choice.RICsubscriptionResponse);
+ for(int i = 0; i < ric_subscriptionResponse->protocolIEs.list.size ; i++){
+ ric_subscriptionResponse->protocolIEs.list.array[i] = 0;
+ }
+
+ if (ric_subscriptionResponse->protocolIEs.list.size > 0){
+ free(ric_subscriptionResponse->protocolIEs.list.array);
+ ric_subscriptionResponse->protocolIEs.list.array = 0;
+ ric_subscriptionResponse->protocolIEs.list.size = 0;
+ ric_subscriptionResponse->protocolIEs.list.count = 0;
+ }
+
+ free(ie_admitted_list);
+ free(ie_not_admitted_list);
+ free(IE_array);
+ free(_successMsg);
+ _e2ap_pdu_obj->choice.successfulOutcome = 0;
+
+ ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, _e2ap_pdu_obj);
+ mdclog_write(MDCLOG_DEBUG, "Freed Subscription Response Object memory");
+
+
+};
+
+
+bool E2APSubscriptionResponse::encode(unsigned char *buf, size_t *size){
+
+ _e2ap_pdu_obj->present = E2AP_PDU_PR_successfulOutcome;
+ _e2ap_pdu_obj->choice.successfulOutcome = _successMsg;
+
+ bool eres = setfields( _successMsg);
+ if(!eres)
+ return eres;
+
+ _successMsg->procedureCode = ProcedureCode_id_RICsubscription;
+ _successMsg->criticality = Criticality_reject;
+ _successMsg->value.present = SuccessfulOutcome__value_PR_RICsubscriptionResponse;
+
+ int ret_constr = asn_check_constraints(&asn_DEF_E2AP_PDU, (void *) _e2ap_pdu_obj, _errbuf, &_errbuf_len);
+ if(ret_constr){
+ _error_string.assign(_errbuf, _errbuf_len);
+ _error_string = "Constraints failed for encoding subscription response. Reason = " + _error_string;
+ return false;
+ }
+
+ asn_enc_rval_t res = asn_encode_to_buffer(0, ATS_ALIGNED_BASIC_PER, &asn_DEF_E2AP_PDU, _e2ap_pdu_obj, buf, *size);
+ if(res.encoded == -1){
+ mdclog_write(MDCLOG_DEBUG, "Error encoding PDU. Reason =%s",strerror(errno));
+
+ return false;
+ }
+ else {
+ if(*size < res.encoded){
+ fprintf(stderr, "Buffer assigned too small to encode: %s",(char *)(asn_DEF_E2AP_PDU.name));
+ res.encoded = -1;
+ return false;
+ }
+ }
+
+ *size = res.encoded;
+ xer_fprint(stdout, &asn_DEF_E2AP_PDU, _e2ap_pdu_obj);
+ return true;
+
+}
+
+bool E2APSubscriptionResponse::setfields(SuccessfulOutcome_t *_successMsg){
+
+ int ie_index;
+
+
+ RICsubscriptionResponse_t * subsResponse = &(_successMsg->value.choice.RICsubscriptionResponse);
+ //reset list count ..
+ subsResponse->protocolIEs.list.count = 0;
+
+ ie_index = 0;
+ RICsubscriptionResponse_IEs_t *ies_ricreq = &IE_array[ie_index];
+
+ ies_ricreq->criticality = Criticality_reject;
+ ies_ricreq->id = ProtocolIE_ID_id_RICrequestID;
+ ies_ricreq->value.present = RICsubscriptionResponse_IEs__value_PR_RICrequestID;
+ RICrequestID_t *ricrequest_ie = &ies_ricreq->value.choice.RICrequestID;
+ ricrequest_ie->ricRequestorID = this->getIEs().get_ricRequestorID();
+ ricrequest_ie->ricInstanceID = this->getIEs().get_ricInstanceID();
+ ASN_SEQUENCE_ADD(&subsResponse->protocolIEs, &(IE_array[ie_index]));
+
+
+ ie_index++;
+ RICsubscriptionResponse_IEs_t *ies_ranfunc = &IE_array[ie_index];
+ ies_ranfunc->criticality = Criticality_reject;
+ ies_ranfunc->id = ProtocolIE_ID_id_RANfunctionID;
+ ies_ranfunc->value.present = RICsubscriptionResponse_IEs__value_PR_RANfunctionID;
+ RANfunctionID_t *ranfunction_ie = &ies_ranfunc->value.choice.RANfunctionID;
+ *ranfunction_ie = this->getIEs().get_ranFunctionID();
+ ASN_SEQUENCE_ADD(&subsResponse->protocolIEs, &(IE_array[ie_index]));
+
+
+ int admit_lst_count = 0;
+ if(this->getIEs().get_is_ricActionAdmitlst()){
+ admit_lst_count = this->getIEs().get_actionsAdmitted_list().get_list_count();
+
+ ie_index++;
+ RICsubscriptionResponse_IEs_t *ies_admitted_actid = &IE_array[ie_index];
+ ies_admitted_actid->criticality = Criticality_reject;
+ ies_admitted_actid->id = ProtocolIE_ID_id_RICactions_Admitted;
+ RICaction_Admitted_List_t *ric_admitted_actions_ie = &ies_admitted_actid->value.choice.RICaction_Admitted_List;
+ ric_admitted_actions_ie->list.count = 0;
+
+ std::vector<RICactionAdmittedList::RICactionAdmittedItemIEs> * ref_admitted_action_array = this->getIEs().get_actionsAdmitted_list().get_list();
+ if(admit_lst_count == 0){
+ ies_admitted_actid->value.present = RICsubscriptionResponse_IEs__value_PR_NOTHING;
+ }
+ else{
+ ies_admitted_actid->value.present = RICsubscriptionResponse_IEs__value_PR_RICaction_Admitted_List;
+ }
+ ie_admitted_list = (RICaction_Admitted_ItemIEs_t *)calloc(admit_lst_count, sizeof(RICaction_Admitted_ItemIEs_t));
+
+ assert(ie_admitted_list != 0);
+ for(unsigned int i = 0; i < ref_admitted_action_array->size(); i ++){
+ ie_admitted_list[i].criticality = Criticality_ignore;
+ ie_admitted_list[i].id = ProtocolIE_ID_id_RICaction_Admitted_Item ;
+ ie_admitted_list[i].value.present = RICaction_Admitted_ItemIEs__value_PR_RICaction_Admitted_Item;
+ ie_admitted_list[i].value.choice.RICaction_Admitted_Item.ricActionID = (*ref_admitted_action_array)[i].get_ricActionID();
+ ASN_SEQUENCE_ADD(ric_admitted_actions_ie, &(ie_admitted_list[i]));
+ }
+ ASN_SEQUENCE_ADD(&subsResponse->protocolIEs, &(IE_array[ie_index]));
+
+ }
+
+ if(this->getIEs().get_is_ricActionNotAdmitlst()){
+ int notadmit_lst_count = this->getIEs().get_actionsNotAdmitted_list().get_list_count();
+
+ ie_index++;
+ std::vector<RICactionNotAdmittedList::RICactionNotAdmittedItemIEs> * ref_notadmitted_action_array = this->getIEs().get_actionsNotAdmitted_list().get_list();
+
+ RICsubscriptionResponse_IEs_t *ies_notadmitted_actid = &IE_array[ie_index];
+ ies_notadmitted_actid->criticality = Criticality_reject;
+ ies_notadmitted_actid->id = ProtocolIE_ID_id_RICactions_NotAdmitted;
+
+ RICaction_NotAdmitted_List_t *ric_not_admitted_actions_ie = &ies_notadmitted_actid->value.choice.RICaction_NotAdmitted_List;
+ ric_not_admitted_actions_ie->list.count = 0;
+
+
+ ies_notadmitted_actid->value.present = RICsubscriptionResponse_IEs__value_PR_RICaction_NotAdmitted_List;
+
+
+ ie_not_admitted_list = (RICaction_NotAdmitted_ItemIEs_t *)calloc(notadmit_lst_count, sizeof(RICaction_NotAdmitted_ItemIEs_t));
+ assert(ie_not_admitted_list != 0);
+
+
+ for(unsigned int i = 0; i < ref_notadmitted_action_array->size(); i ++){
+ ie_not_admitted_list[i].criticality = Criticality_ignore;
+ ie_not_admitted_list[i].id = ProtocolIE_ID_id_RICaction_NotAdmitted_Item ;
+ ie_not_admitted_list[i].value.present = RICaction_NotAdmitted_ItemIEs__value_PR_RICaction_NotAdmitted_Item;;
+ ie_not_admitted_list[i].value.choice.RICaction_NotAdmitted_Item.ricActionID = (*ref_notadmitted_action_array)[i].get_ricActionID();
+
+ int cause = (*ref_notadmitted_action_array)[i].get_ricCause();
+ switch(cause){
+ case Cause_PR_ricService:
+ ie_not_admitted_list[i].value.choice.RICaction_NotAdmitted_Item.cause.choice.ricService = (*ref_notadmitted_action_array)[i].get_ricSubCause();
+ break;
+ case Cause_PR_transport:
+ ie_not_admitted_list[i].value.choice.RICaction_NotAdmitted_Item.cause.choice.transport = (*ref_notadmitted_action_array)[i].get_ricSubCause();
+ break;
+ case Cause_PR_protocol:
+ ie_not_admitted_list[i].value.choice.RICaction_NotAdmitted_Item.cause.choice.protocol= (*ref_notadmitted_action_array)[i].get_ricSubCause();
+ break;
+ case Cause_PR_misc:
+ ie_not_admitted_list[i].value.choice.RICaction_NotAdmitted_Item.cause.choice.misc = (*ref_notadmitted_action_array)[i].get_ricSubCause();
+ break;
+ case Cause_PR_ricRequest:
+ ie_not_admitted_list[i].value.choice.RICaction_NotAdmitted_Item.cause.choice.ricRequest = (*ref_notadmitted_action_array)[i].get_ricSubCause();
+ break;
+ default:
+ mdclog_write(MDCLOG_ERR, "Error :: %s, %d : Unknown RIC cause %d\n", __FILE__, __LINE__, cause);
+ break;
+ }
+
+ ie_not_admitted_list[i].value.choice.RICaction_NotAdmitted_Item.cause.present = (Cause_PR)cause;
+ ASN_SEQUENCE_ADD(ric_not_admitted_actions_ie, &(ie_not_admitted_list[i]));
+ }
+ ASN_SEQUENCE_ADD(&subsResponse->protocolIEs, &(IE_array[ie_index]));
+
+ }
+
+ return true;
+}
+
+E2APSubscriptionResponse::E2APSubscriptionResponse(unsigned char *buf, size_t *size){
+ _e2ap_pdu_obj = 0;
+ _successMsg = 0;
+ IE_array = 0;
+ ie_admitted_list = 0;
+ ie_not_admitted_list = 0;
+
+ _responseIEs = std::make_unique<SubscriptionResponseIEs>();
+ bool status = this->decode(buf, size);
+ if(!status)
+ throw "E2AP Subscription Delete Response Decode Failed: "+this->get_error();
+}
+bool E2APSubscriptionResponse:: decode(unsigned char *buf, size_t *size)
+{
+
+ asn_dec_rval_t dec_res = asn_decode(0,ATS_ALIGNED_BASIC_PER, &asn_DEF_E2AP_PDU, (void**)&(_e2ap_pdu_obj), buf, *size);
+ if(dec_res.code != RC_OK){
+ mdclog_write(MDCLOG_ERR, "Failed to decode: %s","RIC Subscription Response");
+ return false;
+ } else {
+
+ mdclog_write(MDCLOG_INFO, "Successfully decoded: %s","RIC Subscription Response");
+ }
+
+ _successMsg = _e2ap_pdu_obj->choice.successfulOutcome;
+ //write the decoding code.
+
+ if (_successMsg == 0){
+ _error_string = "Invalid reference to success message in get fields subscription response";
+ return false;
+ }
+
+ RANfunctionID_t * ranfunctionid;
+ RICaction_Admitted_List_t * ric_admitted_action_list;
+ RICaction_NotAdmitted_List_t * ric_not_admitted_action_list;
+
+
+ for(int edx = 0; edx < _successMsg->value.choice.RICsubscriptionResponse.protocolIEs.list.count; edx++) {
+ RICsubscriptionResponse_IEs_t *memb_ptr = _successMsg->value.choice.RICsubscriptionResponse.protocolIEs.list.array[edx];
+
+ switch(memb_ptr->id)
+ {
+ case (ProtocolIE_ID_id_RICrequestID):
+ _responseIEs->set_ricRequestorID(memb_ptr->value.choice.RICrequestID.ricRequestorID);
+ _responseIEs->set_ricInstanceID(memb_ptr->value.choice.RICrequestID.ricInstanceID);
+ break;
+ case (ProtocolIE_ID_id_RANfunctionID):
+ _responseIEs->set_ranFunctionID(memb_ptr->value.choice.RANfunctionID);
+ break;
+
+ case (ProtocolIE_ID_id_RICactions_Admitted):
+ ric_admitted_action_list = &memb_ptr->value.choice.RICaction_Admitted_List;
+ for(int index = 0; index < ric_admitted_action_list->list.count; index ++){
+ RICaction_Admitted_ItemIEs_t * item = (RICaction_Admitted_ItemIEs_t *)ric_admitted_action_list->list.array[index];
+ long int id = item->value.choice.RICaction_Admitted_Item.ricActionID;
+ RICactionAdmittedList::RICactionAdmittedItemIEs ricActID; ricActID.set_ricActionID(id);
+ _admitlst.add(ricActID);
+ };
+ this->getIEs().set_actionsAdmitted_list(_admitlst);
+ break;
+
+ case (ProtocolIE_ID_id_RICactions_NotAdmitted):
+ ric_not_admitted_action_list = &memb_ptr->value.choice.RICaction_NotAdmitted_List;
+
+ for(int index = 0; index < ric_not_admitted_action_list->list.count; index ++){
+ RICaction_NotAdmitted_ItemIEs_t * item = (RICaction_NotAdmitted_ItemIEs_t *)ric_not_admitted_action_list->list.array[index];
+ long int id = item->value.choice.RICaction_NotAdmitted_Item.ricActionID;
+ int cause = item->value.choice.RICaction_NotAdmitted_Item.cause.present;
+ int sub_cause;
+ switch(cause){
+
+ case Cause_PR_ricService :
+ sub_cause = item->value.choice.RICaction_NotAdmitted_Item.cause.choice.ricService;
+ break;
+
+ case Cause_PR_transport :
+ sub_cause = item->value.choice.RICaction_NotAdmitted_Item.cause.choice.transport;
+ break;
+
+ case Cause_PR_protocol :
+ sub_cause = item->value.choice.RICaction_NotAdmitted_Item.cause.choice.protocol;
+ break;
+
+ case Cause_PR_misc :
+ sub_cause = item->value.choice.RICaction_NotAdmitted_Item.cause.choice.misc;
+ break;
+
+ case Cause_PR_ricRequest :
+ sub_cause = item->value.choice.RICaction_NotAdmitted_Item.cause.choice.ricRequest;
+ break;
+
+ default:
+ mdclog_write(MDCLOG_DEBUG, "Error ! Illegal cause enum %d", cause);
+ return false;
+ }
+ _notadmitlst.add(RICactionNotAdmittedList::RICactionNotAdmittedItemIEs().set_ricActionID(id).set_ricCause(cause).set_ricSubCause(sub_cause));
+ this->getIEs().set_actionsNotAdmitted_list(_notadmitlst);
+ }
+ break;
+ }
+
+ }
+
+ return true;
+}
+
+
+
+
+
+