--- /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_control_ack.cc
+ *
+ * Author: SJana, Ashwin Sridharan
+ */
+
+#include "e2ap_control_ack.hpp"
+
+
+E2APControlAcknowledge::E2APControlAcknowledge(ControlAcknowledgeIEs &cntrlObj){
+ _cntrlIEs = std::make_unique<ControlAcknowledgeIEs>();
+ *_cntrlIEs = cntrlObj;
+
+ _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);
+
+ _successMsg->procedureCode = ProcedureCode_id_RICcontrol;
+ _successMsg->criticality = Criticality_reject;
+ _successMsg->value.present = SuccessfulOutcome__value_PR_RICcontrolAcknowledge;
+
+
+ IE_array = 0;
+ IE_array = (RICcontrolAcknowledge_IEs_t *)calloc(RIC_CONTROL_ACK_IES_COUNT, sizeof(RICcontrolAcknowledge_IEs_t));
+ assert(IE_array != 0);
+
+ RICcontrolAcknowledge_t * ric_acknowledge = &(_successMsg->value.choice.RICcontrolAcknowledge);
+ for(int i = 0; i < RIC_CONTROL_ACK_IES_COUNT; i++){
+ ASN_SEQUENCE_ADD(&(ric_acknowledge->protocolIEs), &(IE_array[i]));
+ }
+
+};
+
+E2APControlAcknowledge::E2APControlAcknowledge(unsigned char *buf, size_t *size){
+ _e2ap_pdu_obj = 0;
+ _successMsg = 0;
+ IE_array = 0;
+
+ _cntrlIEs = std::make_unique<ControlAcknowledgeIEs>();
+ bool status = this->decode(buf, size);
+ if(!status)
+ throw "E2AP Control Acknowledge Decode Failed: "+this->get_error();
+}
+
+
+// Clear assigned protocolIE list from RIC control_request IE container
+E2APControlAcknowledge::~E2APControlAcknowledge(void){
+
+ mdclog_write(MDCLOG_DEBUG, "Freeing E2AP Control Response object memory");
+
+ RICcontrolAcknowledge_t * ric_acknowledge = &(_successMsg->value.choice.RICcontrolAcknowledge);
+ for(int i = 0; i < ric_acknowledge->protocolIEs.list.size; i++){
+ ric_acknowledge->protocolIEs.list.array[i] = 0;
+ }
+ if (ric_acknowledge->protocolIEs.list.size > 0){
+ free(ric_acknowledge->protocolIEs.list.array);
+ ric_acknowledge->protocolIEs.list.array = 0;
+ ric_acknowledge->protocolIEs.list.count = 0;
+ }
+
+
+ free(IE_array);
+ free(_successMsg);
+
+ _e2ap_pdu_obj->choice.successfulOutcome = 0;
+ _e2ap_pdu_obj->present = E2AP_PDU_PR_successfulOutcome;
+
+ ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, _e2ap_pdu_obj);
+ mdclog_write(MDCLOG_DEBUG, "Freed E2AP Control Response object memory");
+}
+
+
+bool E2APControlAcknowledge::encode(unsigned char *buf, size_t *size){
+
+ bool res;
+ res = setfields(_successMsg);
+ if (!res){
+ return false;
+ }
+ _e2ap_pdu_obj->choice.successfulOutcome = _successMsg;
+ _e2ap_pdu_obj->present = E2AP_PDU_PR_successfulOutcome ;
+
+ xer_fprint(stdout, &asn_DEF_E2AP_PDU, _e2ap_pdu_obj);
+
+ 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 control response. Reason = " + _error_string;
+ return false;
+ }
+
+ asn_enc_rval_t retval = asn_encode_to_buffer(0, ATS_ALIGNED_BASIC_PER, &asn_DEF_E2AP_PDU, _e2ap_pdu_obj, buf, *size);
+
+ if(retval.encoded == -1){
+ _error_string.assign(strerror(errno));
+ return false;
+ }
+ else {
+ if(*size < retval.encoded){
+ std::stringstream ss;
+ ss <<"Error encoding E2AP Control response . Reason = encoded pdu size " << retval.encoded << " exceeds buffer size " << *size << std::endl;
+ _error_string = ss.str();
+ return false;
+ }
+ }
+
+ *size = retval.encoded;
+ return true;
+
+}
+
+bool E2APControlAcknowledge::setfields(SuccessfulOutcome_t *successMsg){
+ unsigned int ie_index;
+
+ if (successMsg == 0){
+ _error_string = "Invalid reference for E2AP Control Acknowledge in set_fields";
+ return false;
+ }
+
+ RICcontrolAcknowledge_t * ric_acknowledge = &(successMsg->value.choice.RICcontrolAcknowledge);
+ ric_acknowledge->protocolIEs.list.count = 0;
+
+ ie_index = 0;
+ RICcontrolAcknowledge_IEs_t *ies_ricreq = &IE_array[ie_index];
+ ies_ricreq->criticality = Criticality_reject;
+ ies_ricreq->id = ProtocolIE_ID_id_RICrequestID;
+ ies_ricreq->value.present = RICcontrolAcknowledge_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(&(ric_acknowledge->protocolIEs), ies_ricreq);
+
+ ie_index = 1;
+ RICcontrolAcknowledge_IEs_t *ies_ranfunc = &IE_array[ie_index];
+ ies_ranfunc->criticality = Criticality_reject;
+ ies_ranfunc->id = ProtocolIE_ID_id_RANfunctionID;
+ ies_ranfunc->value.present = RICcontrolAcknowledge_IEs__value_PR_RANfunctionID;
+
+ RANfunctionID_t *ranfunction_ie = &ies_ranfunc->value.choice.RANfunctionID;
+ *ranfunction_ie = this->getIEs().get_ranFunctionID();
+ ASN_SEQUENCE_ADD(&(ric_acknowledge->protocolIEs), ies_ranfunc);
+
+ ie_index = 2;
+ RICcontrolAcknowledge_IEs_t *ies_cntrlstatus = &IE_array[ie_index];
+ ies_cntrlstatus->criticality = Criticality_reject;
+ ies_cntrlstatus->id = ProtocolIE_ID_id_RICcontrolStatus;
+ ies_cntrlstatus->value.present = RICcontrolAcknowledge_IEs__value_PR_RICcontrolStatus;
+ RICcontrolStatus_t *ricstatus_ie = &ies_cntrlstatus->value.choice.RICcontrolStatus;
+ *ricstatus_ie = this->getIEs().get_ricControlStatus();
+
+ ASN_SEQUENCE_ADD(&(ric_acknowledge->protocolIEs), ies_cntrlstatus);
+
+ if(this->getIEs().get_is_ricCallProcessId()){
+ ie_index++;
+ RICcontrolAcknowledge_IEs_t *ies_riccallprocessid = &IE_array[ie_index];
+ ies_riccallprocessid->criticality = Criticality_reject;
+ ies_riccallprocessid->id = ProtocolIE_ID_id_RICcallProcessID;
+ ies_riccallprocessid->value.present = RICcontrolAcknowledge_IEs__value_PR_RICcallProcessID;
+ RICcallProcessID_t *riccallprocessid_ie = &ies_riccallprocessid->value.choice.RICcallProcessID;
+ riccallprocessid_ie->buf = (uint8_t*)this->getIEs().get_ricCallProcessId();
+ riccallprocessid_ie->size = this->getIEs().get_ricCallProcessId_size();
+ ASN_SEQUENCE_ADD(&(ric_acknowledge->protocolIEs), ies_riccallprocessid);
+
+ }
+ if(this->getIEs().get_is_ricControlOutcome()){
+ ie_index++;
+ RICcontrolAcknowledge_IEs_t *ies_ricControlOutcome = &IE_array[ie_index];
+ ies_ricControlOutcome->criticality = Criticality_reject;
+ ies_ricControlOutcome->id = ProtocolIE_ID_id_RICcallProcessID;
+ ies_ricControlOutcome->value.present = RICcontrolAcknowledge_IEs__value_PR_RICcontrolOutcome;
+ RICcontrolOutcome_t *ricControlOutcome_ie = &ies_ricControlOutcome->value.choice.RICcallProcessID;
+ ricControlOutcome_ie->buf = (uint8_t*)this->getIEs().get_ricControlOutcome();
+ ricControlOutcome_ie->size = this->getIEs().get_ricControlOutcome_size();
+ ASN_SEQUENCE_ADD(&(ric_acknowledge->protocolIEs), ies_ricControlOutcome);
+
+ }
+
+
+
+ return true;
+
+};
+
+
+bool E2APControlAcknowledge::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 Control Ack Message");
+ return false;
+ } else {
+ mdclog_write(MDCLOG_INFO, "Successfully decoded: %s","RIC Control Ack Message");
+ }
+
+ xer_fprint(stdout, &asn_DEF_E2AP_PDU, _e2ap_pdu_obj);
+
+ _successMsg = _e2ap_pdu_obj->choice.successfulOutcome;
+ //write the decoding code.
+
+
+ if (_successMsg == 0){
+ _error_string = "Invalid reference for E2AP Control Acknowledge message in get_fields";
+ return false;
+ }
+
+
+ for(int edx = 0; edx < _successMsg->value.choice.RICcontrolAcknowledge.protocolIEs.list.count; edx++) {
+ RICcontrolAcknowledge_IEs_t *memb_ptr = _successMsg->value.choice.RICcontrolAcknowledge.protocolIEs.list.array[edx];
+
+ switch(memb_ptr->id)
+ {
+
+ case (ProtocolIE_ID_id_RICcallProcessID):
+ _cntrlIEs->set_ricCallProcessID(memb_ptr->value.choice.RICcallProcessID.buf, memb_ptr->value.choice.RICcallProcessID.size);
+ break;
+
+ case (ProtocolIE_ID_id_RICrequestID):
+ _cntrlIEs->set_ricRequestorID(memb_ptr->value.choice.RICrequestID.ricRequestorID);
+ _cntrlIEs->set_ricInstanceID(memb_ptr->value.choice.RICrequestID.ricInstanceID);
+ break;
+
+ case (ProtocolIE_ID_id_RANfunctionID):
+ _cntrlIEs->set_ranFunctionID(memb_ptr->value.choice.RANfunctionID);
+ break;
+
+ case (ProtocolIE_ID_id_RICcontrolStatus):
+ _cntrlIEs->set_ricControlStatus(memb_ptr->value.choice.RICcontrolStatus);
+ break;
+
+ case (ProtocolIE_ID_id_RICcontrolOutcome):
+ _cntrlIEs->set_ricControlOutcome(memb_ptr->value.choice.RICcontrolOutcome.buf, memb_ptr->value.choice.RICcontrolOutcome.size);
+ break;
+
+ }
+
+ }
+
+ return true;
+
+}
+
+