src/xapp-asn/e2ap/subscription_request.cc - oransc/ric-app/hw - Gitiles



 /*
 ==================================================================================
         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;
 };


	/*
	==================================================================================
	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;
	};