--- /dev/null
+
+
+/*
+==================================================================================
+ 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.
+==================================================================================
+*/
+
+
+#include "subscription_request.hpp"
+
+subscription_request::subscription_request(void){
+
+ _name = "default";
+
+ 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 = (RICsubscriptionRequest_IEs_t *)calloc(NUM_SUBSCRIPTION_REQUEST_IES, sizeof(RICsubscriptionRequest_IEs_t));
+ assert(IE_array != 0);
+
+ action_array = 0;
+ action_array = (RICaction_ToBeSetup_ItemIEs_t *)calloc(INITIAL_LIST_SIZE, sizeof(RICaction_ToBeSetup_ItemIEs_t));
+ assert(action_array != 0);
+ action_array_size = INITIAL_LIST_SIZE;
+
+};
+
+
+
+// Clear assigned protocolIE list from RIC indication IE container
+subscription_request::~subscription_request(void){
+
+ mdclog_write(MDCLOG_INFO, "Freeing subscription request memory for");;
+
+ // Sequence of actions to be admitted causes special heart-ache. Free ric subscription element manually and reset the ie pointer
+ RICsubscription_t * ricsubscription_ie = &(IE_array[2].value.choice.RICsubscription);
+
+ for(int i = 0; i < ricsubscription_ie->ricAction_ToBeSetup_List.list.size; i++){
+ ricsubscription_ie->ricAction_ToBeSetup_List.list.array[i] = 0;
+ }
+
+ if (ricsubscription_ie->ricAction_ToBeSetup_List.list.size > 0){
+ free(ricsubscription_ie->ricAction_ToBeSetup_List.list.array);
+ ricsubscription_ie->ricAction_ToBeSetup_List.list.size = 0;
+ ricsubscription_ie->ricAction_ToBeSetup_List.list.count = 0;
+ ricsubscription_ie->ricAction_ToBeSetup_List.list.array = 0;
+ }
+
+ free(action_array);
+ RICsubscriptionRequest_t * subscription_request = &(initMsg->value.choice.RICsubscriptionRequest);
+
+ for(int i = 0; i < subscription_request->protocolIEs.list.size; i++){
+ subscription_request->protocolIEs.list.array[i] = 0;
+ }
+
+ if( subscription_request->protocolIEs.list.size > 0){
+ free( subscription_request->protocolIEs.list.array);
+ subscription_request->protocolIEs.list.array = 0;
+ subscription_request->protocolIEs.list.size = 0;
+ subscription_request->protocolIEs.list.count = 0;
+ }
+
+ free(IE_array);
+ free(initMsg);
+ e2ap_pdu_obj->choice.initiatingMessage = 0;
+
+ ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, e2ap_pdu_obj);
+ mdclog_write(MDCLOG_INFO, "Freed subscription request memory ");
+};
+
+
+bool subscription_request::encode_e2ap_subscription(unsigned char *buf, size_t *size, E2AP_PDU_t *e2ap_pdu, subscription_helper &dinput){
+
+ bool res;
+
+ e2ap_pdu_obj->choice.initiatingMessage = initMsg;
+ e2ap_pdu_obj->present = E2AP_PDU_PR_initiatingMessage;
+
+ res = set_fields(e2ap_pdu_obj->choice.initiatingMessage, dinput);
+ if (!res){
+ return false;
+ }
+
+ //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 subscription request. 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));
+ error_string = "Error encoding Subscription Delete Request. Reason = " + error_string;
+ return false;
+ }
+ else {
+ if(*size < retval.encoded){
+ std::stringstream ss;
+ ss <<"Error encoding Subscription Delete Request . Reason = encoded pdu size " << retval.encoded << " exceeds buffer size " << *size << std::endl;
+ error_string = ss.str();
+ retval.encoded = -1;
+ return false;
+ }
+ }
+
+ *size = retval.encoded;
+ return true;
+
+}
+
+
+bool subscription_request::set_fields(InitiatingMessage_t *ref_initMsg, subscription_helper &helper){
+
+ if (ref_initMsg == 0){
+ error_string = "Error : Invalid reference when setting fields for subscription request";
+ return false;
+ }
+
+ int ie_index;
+ int result = 0;
+
+ ref_initMsg->procedureCode = ProcedureCode_id_ricSubscription;
+ ref_initMsg->criticality = Criticality_reject;
+ ref_initMsg->value.present = InitiatingMessage__value_PR_RICsubscriptionRequest;
+
+ RICsubscriptionRequest_t * subscription_request = &(ref_initMsg->value.choice.RICsubscriptionRequest);
+
+ // Reset field count for protocolIEs
+ subscription_request->protocolIEs.list.count = 0;
+
+ ie_index = 0;
+ RICsubscriptionRequest_IEs_t *ies_ricreq = &IE_array[ie_index];
+ ies_ricreq->criticality = Criticality_reject;
+ ies_ricreq->id = ProtocolIE_ID_id_RICrequestID;
+ ies_ricreq->value.present = RICsubscriptionRequest_IEs__value_PR_RICrequestID;
+ RICrequestID_t *ricrequest_ie = &ies_ricreq->value.choice.RICrequestID;
+ ricrequest_ie->ricRequestorID = helper.get_request_id();
+ ricrequest_ie->ricRequestSequenceNumber = helper.get_req_seq();
+ result = ASN_SEQUENCE_ADD(&subscription_request->protocolIEs, ies_ricreq);
+ if (result == -1){
+ error_string = "Erorr : Unable to assign memory to add RIC request id to subscription request";
+ return false;
+ }
+
+ ie_index = 1;
+ RICsubscriptionRequest_IEs_t *ies_ranfunc = &IE_array[ie_index];
+ ies_ranfunc->criticality = Criticality_reject;
+ ies_ranfunc->id = ProtocolIE_ID_id_RANfunctionID;
+ ies_ranfunc->value.present = RICsubscriptionRequest_IEs__value_PR_RANfunctionID;
+ RANfunctionID_t *ranfunction_ie = &ies_ranfunc->value.choice.RANfunctionID;
+ *ranfunction_ie = helper.get_function_id();
+ ASN_SEQUENCE_ADD(&subscription_request->protocolIEs, ies_ranfunc);
+ if (result == -1){
+ error_string = "Erorr : Unable to assign memory to add RAN function id to subscription request";
+ return false;
+ }
+
+
+ ie_index = 2;
+ RICsubscriptionRequest_IEs_t *ies_actid = &IE_array[ie_index];
+ ies_actid->criticality = Criticality_reject;
+ ies_actid->id = ProtocolIE_ID_id_RICsubscription;
+ ies_actid->value.present = RICsubscriptionRequest_IEs__value_PR_RICsubscription;
+ RICsubscription_t *ricsubscription_ie = &ies_actid->value.choice.RICsubscription;
+
+ ricsubscription_ie->ricEventTriggerDefinition.buf = (uint8_t *) helper.get_event_def();
+ ricsubscription_ie->ricEventTriggerDefinition.size = helper.get_event_def_size();
+
+ std::vector<Action> * ref_action_array = helper.get_list();
+
+ // do we need to reallocate ?
+ if(action_array_size < ref_action_array->size()){
+ action_array_size = 2 * ref_action_array->size();
+ RICaction_ToBeSetup_ItemIEs_t * new_ref = 0;
+ new_ref = (RICaction_ToBeSetup_ItemIEs_t * )realloc(action_array, action_array_size);
+ assert(new_ref != 0);
+ action_array = new_ref;
+ }
+
+ // reset the list count on ricAction_ToBeSetup_List;
+ ricsubscription_ie->ricAction_ToBeSetup_List.list.count = 0;
+
+ for(int i = 0; i < ref_action_array->size(); i ++){
+ action_array[i].criticality = Criticality_ignore;
+ action_array[i].id = ProtocolIE_ID_id_RICaction_ToBeSetup_Item ;
+ action_array[i].value.present = RICaction_ToBeSetup_ItemIEs__value_PR_RICaction_ToBeSetup_Item;
+ action_array[i].value.choice.RICaction_ToBeSetup_Item.ricActionID = (*ref_action_array)[i].get_id();
+ action_array[i].value.choice.RICaction_ToBeSetup_Item.ricActionType = (*ref_action_array)[i].get_type();
+
+ result = ASN_SEQUENCE_ADD(&ricsubscription_ie->ricAction_ToBeSetup_List, &(action_array[i]));
+ if (result == -1){
+ error_string = "Erorr : Unable to assign memory to add Action item to set up list";
+ return false;
+ }
+
+
+ }
+
+ result = ASN_SEQUENCE_ADD(&subscription_request->protocolIEs, ies_actid);
+ if (result == -1){
+ error_string = "Erorr : Unable to assign memory to action item to be setup list subscription request";
+ return false;
+ }
+
+ return true;
+};
+
+
+
+bool subscription_request:: get_fields(InitiatingMessage_t * init_msg, subscription_helper & dout)
+{
+
+ if (init_msg == 0){
+ error_string = "Error. Invalid reference when getting fields from subscription request";
+ return false;
+ }
+
+ RICrequestID_t *requestid;
+ RANfunctionID_t * ranfunctionid;
+ RICsubscription_t * ricsubscription;
+
+ for(int edx = 0; edx < init_msg->value.choice.RICsubscriptionRequest.protocolIEs.list.count; edx++) {
+ RICsubscriptionRequest_IEs_t *memb_ptr = init_msg->value.choice.RICsubscriptionRequest.protocolIEs.list.array[edx];
+
+ switch(memb_ptr->id)
+ {
+ case (ProtocolIE_ID_id_RICrequestID):
+ requestid = &memb_ptr->value.choice.RICrequestID;
+ dout.set_request(requestid->ricRequestorID, requestid->ricRequestSequenceNumber);
+ break;
+
+ case (ProtocolIE_ID_id_RANfunctionID):
+ ranfunctionid = &memb_ptr->value.choice.RANfunctionID;
+ dout.set_function_id(*ranfunctionid);
+ break;
+
+ case (ProtocolIE_ID_id_RICsubscription):
+ ricsubscription = &memb_ptr->value.choice.RICsubscription;
+ dout.set_event_def(ricsubscription->ricEventTriggerDefinition.buf, ricsubscription->ricEventTriggerDefinition.size);
+
+ for(int index = 0; index < ricsubscription->ricAction_ToBeSetup_List.list.count; index ++){
+ RICaction_ToBeSetup_ItemIEs_t * item = (RICaction_ToBeSetup_ItemIEs_t *)ricsubscription->ricAction_ToBeSetup_List.list.array[index];
+ dout.add_action(item->value.choice.RICaction_ToBeSetup_Item.ricActionID, item->value.choice.RICaction_ToBeSetup_Item.ricActionType);
+ };
+
+ break;
+ }
+
+ }
+
+ //asn_fprint(stdout, &asn_DEF_E2AP_PDU, e2pdu);
+ return true;
+};
+
+
+
Code Review / ric-app / admin.git / blobdiff