+++ /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"
-
-
-// Set up memory allocations for each IE for encoding
-// We are responsible for memory management for each IE for encoding
-// Hence destructor should clear out memory
-// When decoding, we rely on asn1c macro (ASN_STRUCT_FREE to be called
-// for releasing memory by external calling function)
-subscription_request::subscription_request(void){
-
- _name = "default";
-
- e2ap_pdu_obj = 0;
- e2ap_pdu_obj = (E2N_E2AP_PDU_t * )calloc(1, sizeof(E2N_E2AP_PDU_t));
- assert(e2ap_pdu_obj != 0);
-
- initMsg = 0;
- initMsg = (E2N_InitiatingMessage_t * )calloc(1, sizeof(E2N_InitiatingMessage_t));
- assert(initMsg != 0);
-
- IE_array = 0;
- IE_array = (E2N_RICsubscriptionRequest_IEs_t *)calloc(NUM_SUBSCRIPTION_REQUEST_IES, sizeof(E2N_RICsubscriptionRequest_IEs_t));
- assert(IE_array != 0);
-
- action_array = 0;
- action_array = (E2N_RICaction_ToBeSetup_ItemIEs_t *)calloc(INITIAL_REQUEST_LIST_SIZE, sizeof(E2N_RICaction_ToBeSetup_ItemIEs_t));
- assert(action_array != 0);
- action_array_size = INITIAL_REQUEST_LIST_SIZE;
- // also need to add subsequent action and time to wait ..
- for (unsigned int i = 0; i < action_array_size; i++){
- action_array[i].value.choice.RICaction_ToBeSetup_Item.ricSubsequentAction = (struct E2N_RICsubsequentAction *)calloc(1, sizeof(struct E2N_RICsubsequentAction));
- assert(action_array[i].value.choice.RICaction_ToBeSetup_Item.ricSubsequentAction != 0);
- }
-
- e2ap_pdu_obj->choice.initiatingMessage = initMsg;
- e2ap_pdu_obj->present = E2N_E2AP_PDU_PR_initiatingMessage;
-
-
-
-};
-
-
-
-// Clear assigned protocolIE list from RIC indication IE container
-subscription_request::~subscription_request(void){
-
- mdclog_write(MDCLOG_DEBUG, "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
- E2N_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;
- }
-
- // clear subsequent action array
- for (unsigned int i = 0; i < action_array_size; i++){
- free(action_array[i].value.choice.RICaction_ToBeSetup_Item.ricSubsequentAction );
- }
-
- free(action_array);
- E2N_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_E2N_E2AP_PDU, e2ap_pdu_obj);
- mdclog_write(MDCLOG_DEBUG, "Freed subscription request memory ");
-};
-
-
-bool subscription_request::encode_e2ap_subscription(unsigned char *buf, size_t *size, subscription_helper &dinput){
-
- bool res;
-
- initMsg->procedureCode = E2N_ProcedureCode_id_ricSubscription;
- initMsg->criticality = E2N_Criticality_ignore;
- initMsg->value.present = E2N_InitiatingMessage__value_PR_RICsubscriptionRequest;
-
- res = set_fields(initMsg, dinput);
- if (!res){
- return false;
- }
-
- int ret_constr = asn_check_constraints(&asn_DEF_E2N_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;
- }
-
- //xer_fprint(stdout, &asn_DEF_E2N_E2AP_PDU, e2ap_pdu_obj);
-
- asn_enc_rval_t retval = asn_encode_to_buffer(0, ATS_ALIGNED_BASIC_PER, &asn_DEF_E2N_E2AP_PDU, e2ap_pdu_obj, buf, *size);
-
- if(retval.encoded == -1){
- error_string.assign(strerror(errno));
- error_string = "Error encoding Subscription Request. Reason = " + error_string;
- return false;
- }
- else {
- if(*size < retval.encoded){
- std::stringstream ss;
- ss <<"Error encoding Subscription 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( E2N_InitiatingMessage_t * init_msg, subscription_helper &helper){
-
-
- int ie_index;
- int result = 0;
-
- if (init_msg == 0){
- error_string = "Error. Invalid reference when getting fields from subscription request";
- return false;
- }
-
- E2N_RICsubscriptionRequest_t * ric_subscription = &(init_msg->value.choice.RICsubscriptionRequest);
- ric_subscription->protocolIEs.list.count = 0;
-
- ie_index = 0;
- E2N_RICsubscriptionRequest_IEs_t *ies_ricreq = &IE_array[ie_index];
- ies_ricreq->criticality = E2N_Criticality_reject;
- ies_ricreq->id = E2N_ProtocolIE_ID_id_RICrequestID;
- ies_ricreq->value.present = E2N_RICsubscriptionRequest_IEs__value_PR_RICrequestID;
- E2N_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(&(ric_subscription->protocolIEs), &IE_array[ie_index]);
- assert(result == 0);
-
- ie_index = 1;
- E2N_RICsubscriptionRequest_IEs_t *ies_ranfunc = &IE_array[ie_index];
- ies_ranfunc->criticality = E2N_Criticality_reject;
- ies_ranfunc->id = E2N_ProtocolIE_ID_id_RANfunctionID;
- ies_ranfunc->value.present = E2N_RICsubscriptionRequest_IEs__value_PR_RANfunctionID;
- E2N_RANfunctionID_t *ranfunction_ie = &ies_ranfunc->value.choice.RANfunctionID;
- *ranfunction_ie = helper.get_function_id();
- result = ASN_SEQUENCE_ADD(&(ric_subscription->protocolIEs), &IE_array[ie_index]);
- assert(result == 0);
-
-
- ie_index = 2;
- E2N_RICsubscriptionRequest_IEs_t *ies_actid = &IE_array[ie_index];
- ies_actid->criticality = E2N_Criticality_reject;
- ies_actid->id = E2N_ProtocolIE_ID_id_RICsubscription;
- ies_actid->value.present = E2N_RICsubscriptionRequest_IEs__value_PR_RICsubscription;
- E2N_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 resize ?
- // we don't care about contents, so just do a free/calloc
- if(action_array_size < ref_action_array->size()){
- std::cout <<"re-allocating action array from " << action_array_size << " to " << 2 * ref_action_array->size() << std::endl;
- // free subsequent allocation
- for (unsigned int i = 0; i < action_array_size; i++){
- free(action_array[i].value.choice.RICaction_ToBeSetup_Item.ricSubsequentAction );
- }
-
- action_array_size = 2 * ref_action_array->size();
- free(action_array);
- action_array = (E2N_RICaction_ToBeSetup_ItemIEs_t *)calloc(action_array_size, sizeof(E2N_RICaction_ToBeSetup_ItemIEs_t));
- assert(action_array != 0);
-
- // also need to add subsequent action and time to wait ..
- for (unsigned int i = 0; i < action_array_size; i++){
- action_array[i].value.choice.RICaction_ToBeSetup_Item.ricSubsequentAction = (struct E2N_RICsubsequentAction *)calloc(1, sizeof(struct E2N_RICsubsequentAction));
- assert(action_array[i].value.choice.RICaction_ToBeSetup_Item.ricSubsequentAction != 0);
- }
-
- }
-
- // reset the list count on ricAction_ToBeSetup_List;
- ricsubscription_ie->ricAction_ToBeSetup_List.list.count = 0;
-
- for(unsigned int i = 0; i < ref_action_array->size(); i ++){
- action_array[i].criticality = E2N_Criticality_ignore;
- action_array[i].id = E2N_ProtocolIE_ID_id_RICaction_ToBeSetup_Item ;
- action_array[i].value.present = E2N_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();
- action_array[i].value.choice.RICaction_ToBeSetup_Item.ricSubsequentAction->ricSubsequentActionType = (*ref_action_array)[i].get_subsequent_action();
- action_array[i].value.choice.RICaction_ToBeSetup_Item.ricSubsequentAction->ricTimeToWait = (*ref_action_array)[i].get_wait();
-
- 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(&(ric_subscription->protocolIEs), &IE_array[ie_index]);
- assert(result == 0);
-
-
-
- return true;
-};
-
-
-
-bool subscription_request:: get_fields(E2N_InitiatingMessage_t * init_msg, subscription_helper & dout)
-{
-
- if (init_msg == 0){
- error_string = "Error. Invalid reference when getting fields from subscription request";
- return false;
- }
-
- E2N_RICrequestID_t *requestid;
- E2N_RANfunctionID_t * ranfunctionid;
- E2N_RICsubscription_t * ricsubscription;
-
- for(int edx = 0; edx < init_msg->value.choice.RICsubscriptionRequest.protocolIEs.list.count; edx++) {
- E2N_RICsubscriptionRequest_IEs_t *memb_ptr = init_msg->value.choice.RICsubscriptionRequest.protocolIEs.list.array[edx];
-
- switch(memb_ptr->id)
- {
- case (E2N_ProtocolIE_ID_id_RICrequestID):
- requestid = &memb_ptr->value.choice.RICrequestID;
- dout.set_request(requestid->ricRequestorID, requestid->ricRequestSequenceNumber);
- break;
-
- case (E2N_ProtocolIE_ID_id_RANfunctionID):
- ranfunctionid = &memb_ptr->value.choice.RANfunctionID;
- dout.set_function_id(*ranfunctionid);
- break;
-
- case (E2N_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 ++){
- E2N_RICaction_ToBeSetup_ItemIEs_t * item = (E2N_RICaction_ToBeSetup_ItemIEs_t *)ricsubscription->ricAction_ToBeSetup_List.list.array[index];
- if (item->value.choice.RICaction_ToBeSetup_Item.ricSubsequentAction == NULL){
- dout.add_action(item->value.choice.RICaction_ToBeSetup_Item.ricActionID, item->value.choice.RICaction_ToBeSetup_Item.ricActionType);
- }
- else{
- std::string action_def = ""; // for now we are ignoring action definition
- dout.add_action(item->value.choice.RICaction_ToBeSetup_Item.ricActionID, item->value.choice.RICaction_ToBeSetup_Item.ricActionType, action_def, item->value.choice.RICaction_ToBeSetup_Item.ricSubsequentAction->ricSubsequentActionType, item->value.choice.RICaction_ToBeSetup_Item.ricSubsequentAction->ricTimeToWait);
- }
- };
-
- break;
- }
-
- }
-
- //asn_fprint(stdout, &asn_DEF_E2N_E2AP_PDU, e2pdu);
- return true;
-};
-
-
-
Code Review / ric-app / hw.git / blobdiff