--- /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.
+==================================================================================
+ */
+/*
+ * ric_control_response.c
+ *
+ * Created on: Jul 11, 2019
+ * Author: sjana, Ashwin Sridharan
+ */
+
+#include "e2ap_control_response.hpp"
+
+// Set up the initiating message and also allocate protocolIEs in container
+// Note : this bypasses requirement to use ASN_SEQUENCE_ADD. We can directly
+// assign pointers to the array in ProtocolIE. However, this also leaves us on the
+// hook to manually clear the memory
+
+ric_control_response::ric_control_response(void){
+
+ 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;
+
+
+ unsuccessMsg = 0;
+ unsuccessMsg = (UnsuccessfulOutcome_t * )calloc(1, sizeof(UnsuccessfulOutcome_t));
+ assert(unsuccessMsg != 0);
+
+
+ unsuccessMsg->procedureCode = ProcedureCode_id_RICcontrol;
+ unsuccessMsg->criticality = Criticality_reject;
+ unsuccessMsg->value.present = UnsuccessfulOutcome__value_PR_RICcontrolFailure;
+
+ IE_array = 0;
+ IE_array = (RICcontrolAcknowledge_IEs_t *)calloc(NUM_CONTROL_ACKNOWLEDGE_IES, sizeof(RICcontrolAcknowledge_IEs_t));
+ assert(IE_array != 0);
+
+ RICcontrolAcknowledge_t * ric_acknowledge = &(successMsg->value.choice.RICcontrolAcknowledge);
+ for(int i = 0; i < NUM_CONTROL_ACKNOWLEDGE_IES; i++){
+ ASN_SEQUENCE_ADD(&(ric_acknowledge->protocolIEs), &(IE_array[i]));
+ }
+
+
+ IE_failure_array = 0;
+ IE_failure_array = (RICcontrolFailure_IEs_t *)calloc(NUM_CONTROL_FAILURE_IES, sizeof(RICcontrolFailure_IEs_t));
+ assert(IE_failure_array != 0);
+
+ RICcontrolFailure_t * ric_failure = &(unsuccessMsg->value.choice.RICcontrolFailure);
+ for(int i = 0; i < NUM_CONTROL_FAILURE_IES; i++){
+ ASN_SEQUENCE_ADD(&(ric_failure->protocolIEs), &(IE_failure_array[i]));
+ }
+
+};
+
+
+// Clear assigned protocolIE list from RIC control_request IE container
+ric_control_response::~ric_control_response(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;
+ }
+
+ RICcontrolFailure_t * ric_failure = &(unsuccessMsg->value.choice.RICcontrolFailure);
+ for(int i = 0; i < ric_failure->protocolIEs.list.size; i++){
+ ric_failure->protocolIEs.list.array[i] = 0;
+ }
+ if (ric_failure->protocolIEs.list.size > 0){
+ free(ric_failure->protocolIEs.list.array);
+ ric_failure->protocolIEs.list.array = 0;
+ ric_failure->protocolIEs.list.count = 0;
+ }
+
+ free(IE_array);
+ free(IE_failure_array);
+ free(successMsg);
+ free(unsuccessMsg);
+
+ e2ap_pdu_obj->choice.initiatingMessage = 0;
+ e2ap_pdu_obj->present = E2AP_PDU_PR_initiatingMessage;
+
+ ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, e2ap_pdu_obj);
+ mdclog_write(MDCLOG_DEBUG, "Freed E2AP Control Response object mempory");
+}
+
+
+bool ric_control_response::encode_e2ap_control_response(unsigned char *buf, size_t *size, ric_control_helper & dinput, bool is_success){
+
+ bool res;
+ if (is_success){
+ res = set_fields(successMsg, dinput);
+ }
+ else{
+ res = set_fields(unsuccessMsg, dinput);
+ }
+
+ if (!res){
+ return false;
+ }
+
+
+ if (is_success){
+ e2ap_pdu_obj->choice.successfulOutcome = successMsg;
+ e2ap_pdu_obj->present = E2AP_PDU_PR_successfulOutcome ;
+ }
+ else{
+ e2ap_pdu_obj->choice.unsuccessfulOutcome = unsuccessMsg;
+ e2ap_pdu_obj->present = E2AP_PDU_PR_unsuccessfulOutcome ;
+
+ }
+
+ //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 ric_control_response::set_fields(SuccessfulOutcome_t *successMsg, ric_control_helper &dinput){
+ unsigned int ie_index;
+
+ if (successMsg == 0){
+ error_string = "Invalid reference for E2AP Control Acknowledge in set_fields";
+ return false;
+ }
+
+ // for(i = 0; i < NUM_CONTROL_ACKNOWLEDGE_IES;i++){
+ // memset(&(IE_array[i]), 0, sizeof(RICcontrolAcknowledge_IEs_t));
+ // }
+
+ //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 = dinput.req_id;
+ //ricrequest_ie->ricRequestSequenceNumber = dinput.req_seq_no;
+ //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 = dinput.func_id;
+ //ASN_SEQUENCE_ADD(&(ric_acknowledge->protocolIEs), ies_ranfunc);
+
+ // ie_index = 2;
+ // 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 = dinput.call_process_id;
+ // riccallprocessid_ie->size = dinput.call_process_id_size;
+ // ASN_SEQUENCE_ADD(&(ric_acknowledge->protocolIEs), ies_riccallprocessid);
+
+ ie_index = 2;
+ RICcontrolAcknowledge_IEs_t *ies_ric_cause = &IE_array[ie_index];
+ ies_ric_cause->criticality = Criticality_reject;
+ ies_ric_cause->id = ProtocolIE_ID_id_RICcontrolStatus;
+ ies_ric_cause->value.present = RICcontrolAcknowledge_IEs__value_PR_RICcontrolStatus;
+ ies_ric_cause->value.choice.RICcontrolStatus = dinput.control_status;
+ //ASN_SEQUENCE_ADD(&(ric_acknowledge->protocolIEs), ies_ric_cause);
+
+ return true;
+
+};
+
+bool ric_control_response::set_fields(UnsuccessfulOutcome_t *unsuccessMsg, ric_control_helper &dinput){
+ unsigned int ie_index;
+
+ if (unsuccessMsg == 0){
+ error_string = "Invalid reference for E2AP Control Failure in set_fields";
+ return false;
+ }
+
+ // for(i = 0; i < NUM_CONTROL_FAILURE_IES;i++){
+ // memset(&(IE_failure_array[i]), 0, sizeof(RICcontrolFailure_IEs_t));
+ // }
+
+ //RICcontrolFailure_t * ric_failure = &(unsuccessMsg->value.choice.RICcontrolFailure);
+ //ric_failure->protocolIEs.list.count = 0;
+
+ ie_index = 0;
+ RICcontrolFailure_IEs_t *ies_ricreq = &IE_failure_array[ie_index];
+ ies_ricreq->criticality = Criticality_reject;
+ ies_ricreq->id = ProtocolIE_ID_id_RICrequestID;
+ ies_ricreq->value.present = RICcontrolFailure_IEs__value_PR_RICrequestID;
+ RICrequestID_t *ricrequest_ie = &(ies_ricreq->value.choice.RICrequestID);
+ ricrequest_ie->ricRequestorID = dinput.req_id;
+ //ricrequest_ie->ricRequestSequenceNumber = dinput.req_seq_no;
+ //ASN_SEQUENCE_ADD(&(ric_failure->protocolIEs), ies_ricreq);
+
+ ie_index = 1;
+ RICcontrolFailure_IEs_t *ies_ranfunc = &IE_failure_array[ie_index];
+ ies_ranfunc->criticality = Criticality_reject;
+ ies_ranfunc->id = ProtocolIE_ID_id_RANfunctionID;
+ ies_ranfunc->value.present = RICcontrolFailure_IEs__value_PR_RANfunctionID;
+ RANfunctionID_t *ranfunction_ie = &(ies_ranfunc->value.choice.RANfunctionID);
+ *ranfunction_ie = dinput.func_id;
+ //ASN_SEQUENCE_ADD(&(ric_failure->protocolIEs), ies_ranfunc);
+
+ // ie_index = 2;
+ // RICcontrolFailure_IEs_t *ies_riccallprocessid = &IE_failure_array[i];
+ // ies_riccallprocessid->criticality = Criticality_reject;
+ // ies_riccallprocessid->id = ProtocolIE_ID_id_RICcallProcessID;
+ // ies_riccallprocessid->value.present = RICcontrolFailure_IEs__value_PR_RICcallProcessID;
+ // RICcallProcessID_t *riccallprocessid_ie = &(ies_riccallprocessid->value.choice.RICcallProcessID);
+ // riccallprocessid_ie->buf = dinput.call_process_id;
+ // riccallprocessid_ie->size = dinput.call_process_id_size;
+ // ASN_SEQUENCE_ADD(&(ric_failure->protocolIEs), ies_riccallprocessid);
+
+ ie_index = 2;
+ RICcontrolFailure_IEs_t *ies_ric_cause = &IE_failure_array[ie_index];
+ ies_ric_cause->criticality = Criticality_ignore;
+ ies_ric_cause->id = ProtocolIE_ID_id_Cause;
+ ies_ric_cause->value.present = RICcontrolFailure_IEs__value_PR_Cause;
+ Cause_t * ric_cause = &(ies_ric_cause->value.choice.Cause);
+ ric_cause->present = (Cause_PR)dinput.cause;
+
+ switch(dinput.cause){
+ case Cause_PR_ricService:
+ ric_cause->choice.ricService = dinput.sub_cause;
+ break;
+ case Cause_PR_transport:
+ ric_cause->choice.transport = dinput.sub_cause;
+ break;
+ case Cause_PR_protocol:
+ ric_cause->choice.protocol= dinput.sub_cause;
+ break;
+ case Cause_PR_misc:
+ ric_cause->choice.misc = dinput.sub_cause;
+ break;
+ case Cause_PR_ricRequest:
+ ric_cause->choice.ricRequest = dinput.sub_cause;
+ break;
+ default:
+ std::cout <<"Error ! Illegal cause enum" << dinput.cause << std::endl;
+ return false;
+ }
+
+ //ASN_SEQUENCE_ADD(&(ric_failure->protocolIEs), ies_ric_cause);
+ return true;
+
+};
+
+
+
+
+bool ric_control_response:: get_fields(SuccessfulOutcome_t * success_msg, ric_control_helper &dout)
+{
+ if (success_msg == 0){
+ error_string = "Invalid reference for E2AP Control Acknowledge message in get_fields";
+ return false;
+ }
+
+
+ for(int edx = 0; edx < success_msg->value.choice.RICcontrolAcknowledge.protocolIEs.list.count; edx++) {
+ RICcontrolAcknowledge_IEs_t *memb_ptr = success_msg->value.choice.RICcontrolAcknowledge.protocolIEs.list.array[edx];
+
+ switch(memb_ptr->id)
+ {
+
+ case (ProtocolIE_ID_id_RICcallProcessID):
+ dout.call_process_id = memb_ptr->value.choice.RICcallProcessID.buf;
+ dout.call_process_id_size = memb_ptr->value.choice.RICcallProcessID.size;
+ break;
+
+ case (ProtocolIE_ID_id_RICrequestID):
+ dout.req_id = memb_ptr->value.choice.RICrequestID.ricRequestorID;
+ //dout.req_seq_no = memb_ptr->value.choice.RICrequestID.ricRequestSequenceNumber;
+ break;
+
+ case (ProtocolIE_ID_id_RANfunctionID):
+ dout.func_id = memb_ptr->value.choice.RANfunctionID;
+ break;
+
+ case (ProtocolIE_ID_id_Cause):
+ dout.control_status = memb_ptr->value.choice.RICcontrolStatus;
+ break;
+
+ }
+
+ }
+
+ return true;
+
+}
+
+
+bool ric_control_response:: get_fields(UnsuccessfulOutcome_t * unsuccess_msg, ric_control_helper &dout)
+{
+ if (unsuccess_msg == 0){
+ error_string = "Invalid reference for E2AP Control Failure message in get_fields";
+ return false;
+ }
+
+
+ for(int edx = 0; edx < unsuccess_msg->value.choice.RICcontrolFailure.protocolIEs.list.count; edx++) {
+ RICcontrolFailure_IEs_t *memb_ptr = unsuccess_msg->value.choice.RICcontrolFailure.protocolIEs.list.array[edx];
+
+ switch(memb_ptr->id)
+ {
+
+ case (ProtocolIE_ID_id_RICcallProcessID):
+ dout.call_process_id = memb_ptr->value.choice.RICcallProcessID.buf;
+ dout.call_process_id_size = memb_ptr->value.choice.RICcallProcessID.size;
+ break;
+
+ case (ProtocolIE_ID_id_RICrequestID):
+ dout.req_id = memb_ptr->value.choice.RICrequestID.ricRequestorID;
+ //dout.req_seq_no = memb_ptr->value.choice.RICrequestID.ricRequestSequenceNumber;
+ break;
+
+ case (ProtocolIE_ID_id_RANfunctionID):
+ dout.func_id = memb_ptr->value.choice.RANfunctionID;
+ break;
+
+
+ case (ProtocolIE_ID_id_Cause):
+ dout.cause = memb_ptr->value.choice.Cause.present;
+ switch(dout.cause){
+ case Cause_PR_ricService :
+ dout.sub_cause = memb_ptr->value.choice.Cause.choice.ricService;
+ break;
+
+ case Cause_PR_transport :
+ dout.sub_cause = memb_ptr->value.choice.Cause.choice.transport;
+ break;
+
+ case Cause_PR_protocol :
+ dout.sub_cause = memb_ptr->value.choice.Cause.choice.protocol;
+ break;
+
+ case Cause_PR_misc :
+ dout.sub_cause = memb_ptr->value.choice.Cause.choice.misc;
+ break;
+
+ case Cause_PR_ricRequest :
+ dout.sub_cause = memb_ptr->value.choice.Cause.choice.ricRequest;
+ break;
+
+ default:
+ dout.sub_cause = -1;
+ break;
+ }
+
+ default:
+ break;
+ }
+
+ }
+
+ return true;
+
+}
+
Code Review / ric-app / bouncer.git / blobdiff