+/*
+==================================================================================
+
+ Copyright (c) 2018-2019 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_indication.c
+ *
+ * Created on: Jul 11, 2019
+ * Author: sjana, Ashwin Sridharan
+ */
+
+#include <e2ap_indication.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_indication::ric_indication(void){
+
+ e2ap_pdu_obj = 0;
+ e2ap_pdu_obj = (E2AP_PDU_t * )calloc(1, sizeof(E2AP_PDU_t));
+ assert(e2ap_pdu_obj != 0);
+
+ initMsg = 0;
+ initMsg = (InitiatingMessage_t * )calloc(1, sizeof(InitiatingMessage_t));
+ assert(initMsg != 0);
+
+ IE_array = 0;
+ IE_array = (RICindication_IEs_t *)calloc(NUM_INDICATION_IES, sizeof(RICindication_IEs_t));
+ assert(IE_array != 0);
+
+ e2ap_pdu_obj->present = E2AP_PDU_PR_initiatingMessage;
+ e2ap_pdu_obj->choice.initiatingMessage = initMsg;
+
+ RICindication_t * ric_indication = &(initMsg->value.choice.RICindication);
+ for(int i = 0; i < NUM_INDICATION_IES; i++){
+ ASN_SEQUENCE_ADD(&(ric_indication->protocolIEs), &(IE_array[i]));
+ }
+
+
+
+};
+
+
+
+// Clear assigned protocolIE list from RIC indication IE container
+ric_indication::~ric_indication(void){
+
+ mdclog_write(MDCLOG_INFO, "Freeing E2AP Indication object memory");
+ RICindication_t *ricIndication = &(initMsg->value.choice.RICindication);
+ for(int i = 0; i < ricIndication->protocolIEs.list.size; i++){
+ ricIndication->protocolIEs.list.array[i] = 0;
+ }
+ if (ricIndication->protocolIEs.list.size > 0){
+ free(ricIndication->protocolIEs.list.array);
+ ricIndication->protocolIEs.list.array = 0;
+ ricIndication->protocolIEs.list.count = 0;
+ ricIndication->protocolIEs.list.size = 0;
+ }
+
+ free(IE_array);
+ ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, e2ap_pdu_obj);
+ mdclog_write(MDCLOG_INFO, "Freed E2AP Indication object mempory");
+}
+
+
+bool ric_indication::encode_e2ap_indication(unsigned char *buf, size_t *size, E2APRicIndication & dinput){
+
+ initMsg->procedureCode = ProcedureCode_id_ricIndication;
+ initMsg->criticality = Criticality_ignore;
+ initMsg->value.present = InitiatingMessage__value_PR_RICindication;
+
+ bool res;
+ res = set_fields(initMsg, dinput);
+ if (!res){
+ return false;
+ }
+
+ int ret_constr = asn_check_constraints(&asn_DEF_E2AP_PDU, e2ap_pdu_obj, errbuf, &errbuf_len);
+ if(ret_constr){
+ error_string.assign(&errbuf[0], errbuf_len);
+ error_string = "Error encoding E2AP Indication message. Reason = " + error_string;
+ return false;
+ }
+
+ //xer_fprint(stdout, &asn_DEF_E2AP_PDU, e2ap_pdu_obj);
+
+ 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 event trigger definition. 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_indication::set_fields(InitiatingMessage_t *initMsg, E2APRicIndication &dinput){
+ unsigned int i;
+
+ if (initMsg == 0){
+ error_string = "Invalid reference for E2AP Indication message in set_fields";
+ return false;
+ }
+
+ for(i = 0; i < NUM_INDICATION_IES;i++){
+ memset(&(IE_array[i]), 0, sizeof(RICindication_IEs_t));
+ }
+
+
+ i = 0;
+ RICindication_IEs_t *ies_ricreq = &IE_array[i];
+
+ ies_ricreq->criticality = Criticality_reject;
+ ies_ricreq->id = ProtocolIE_ID_id_RICrequestID;
+ ies_ricreq->value.present = RICindication_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;
+
+ i = 1;
+ RICindication_IEs_t *ies_ranfunc = &IE_array[i];
+ ies_ranfunc->criticality = Criticality_reject;
+ ies_ranfunc->id = ProtocolIE_ID_id_RANfunctionID;
+ ies_ranfunc->value.present = RICindication_IEs__value_PR_RANfunctionID;
+ RANfunctionID_t *ranfunction_ie = &ies_ranfunc->value.choice.RANfunctionID;
+ *ranfunction_ie = dinput.func_id;
+
+ i = 2;
+ RICindication_IEs_t *ies_actid = &IE_array[i];
+ ies_actid->criticality = Criticality_reject;
+ ies_actid->id = ProtocolIE_ID_id_RICactionID;
+ ies_actid->value.present = RICindication_IEs__value_PR_RICactionID;
+ RICactionID_t *ricaction_ie = &ies_actid->value.choice.RICactionID;
+ *ricaction_ie = dinput.action_id;
+
+ i = 3;
+ RICindication_IEs_t *ies_ricsn = &IE_array[i];
+ ies_ricsn->criticality = Criticality_reject;
+ ies_ricsn->id = ProtocolIE_ID_id_RICindicationSN;
+ ies_ricsn->value.present = RICindication_IEs__value_PR_RICindicationSN;
+ RICindicationSN_t *ricsn_ie = &ies_ricsn->value.choice.RICindicationSN;
+ *ricsn_ie = dinput.indication_sn;
+
+
+ i = 4;
+ RICindication_IEs_t *ies_indtyp = &IE_array[i];
+ ies_indtyp->criticality = Criticality_reject;
+ ies_indtyp->id = ProtocolIE_ID_id_RICindicationType;
+ ies_indtyp->value.present = RICindication_IEs__value_PR_RICindicationType;
+ RICindicationType_t *rictype_ie = &ies_indtyp->value.choice.RICindicationType;
+ *rictype_ie = dinput.indication_type;
+
+ i = 5;
+ RICindication_IEs_t *ies_richead = &IE_array[i];
+ ies_richead->criticality = Criticality_reject;
+ ies_richead->id = ProtocolIE_ID_id_RICindicationHeader;
+ ies_richead->value.present = RICindication_IEs__value_PR_RICindicationHeader;
+ RICindicationHeader_t *richeader_ie = &ies_richead->value.choice.RICindicationHeader;
+ richeader_ie->buf = dinput.indication_header;
+ richeader_ie->size = dinput.indication_header_size;
+
+ i = 6;
+ RICindication_IEs_t *ies_indmsg = &IE_array[i];
+ ies_indmsg->criticality = Criticality_reject;
+ ies_indmsg->id = ProtocolIE_ID_id_RICindicationMessage;
+ ies_indmsg->value.present = RICindication_IEs__value_PR_RICindicationMessage;
+ RICindicationMessage_t *ricmsg_ie = &ies_indmsg->value.choice.RICindicationMessage;
+ ricmsg_ie->buf = dinput.indication_msg;
+ ricmsg_ie->size = dinput.indication_msg_size;
+
+ return true;
+
+};
+
+
+
+
+bool ric_indication:: get_fields(InitiatingMessage_t * init_msg, E2APRicIndication &dout)
+{
+ if (init_msg == 0){
+ error_string = "Invalid reference for E2AP Indication message in get_fields";
+ return false;
+ }
+
+
+ for(int edx = 0; edx < init_msg->value.choice.RICindication.protocolIEs.list.count; edx++) {
+ RICindication_IEs_t *memb_ptr = init_msg->value.choice.RICindication.protocolIEs.list.array[edx];
+
+ switch(memb_ptr->id)
+ {
+ case (ProtocolIE_ID_id_RICindicationHeader):
+ dout.indication_header = memb_ptr->value.choice.RICindicationHeader.buf;
+ dout.indication_header_size = memb_ptr->value.choice.RICindicationHeader.size;
+ break;
+
+ case (ProtocolIE_ID_id_RICindicationMessage):
+ dout.indication_msg = memb_ptr->value.choice.RICindicationMessage.buf;
+ dout.indication_msg_size = memb_ptr->value.choice.RICindicationMessage.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_RICindicationSN):
+ dout.indication_sn = memb_ptr->value.choice.RICindicationSN;
+ break;
+
+ case (ProtocolIE_ID_id_RICindicationType):
+ dout.indication_type = memb_ptr->value.choice.RICindicationType;
+ break;
+
+ case (ProtocolIE_ID_id_RICactionID):
+ dout.action_id = memb_ptr->value.choice.RICactionID;
+ break;
+
+ default:
+ break;
+ }
+
+ }
+
+ return true;
+
+}
+
+InitiatingMessage_t * ric_indication::get_message(void) {
+ return initMsg;
+}