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ns-o-ran-scp-ric-app-kpimon/e2ap/wrapper.c
jinweifan 4a8b4de538 Initial commit of KPIMON xAPP for Bronze Release Enhancement. 
Signed-off-by: jinweifan <jinwei.fan@samsung.com>
Change-Id: I72f3c13b42ef302e4ac66a6c89a8e043367eea8c
2020-07-27 14:02:49 +08:00

665 lines
32 KiB
C
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#include <errno.h>
#include "wrapper.h"
size_t encode_E2AP_PDU(E2AP_PDU_t* pdu, void* buffer, size_t buf_size)
{
asn_enc_rval_t encode_result;
encode_result = aper_encode_to_buffer(&asn_DEF_E2AP_PDU, NULL, pdu, buffer, buf_size);
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
if(encode_result.encoded == -1) {
fprintf(stderr, "Cannot encode %s: %s\n", encode_result.failed_type->name, strerror(errno));
return -1;
} else {
return encode_result.encoded;
}
}
E2AP_PDU_t* decode_E2AP_PDU(const void* buffer, size_t buf_size)
{
asn_dec_rval_t decode_result;
E2AP_PDU_t *pdu = 0;
decode_result = aper_decode_complete(NULL, &asn_DEF_E2AP_PDU, (void **)&pdu, buffer, buf_size);
if(decode_result.code == RC_OK) {
return pdu;
} else {
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
return 0;
}
}
/* RICsubscriptionRequest */
long e2ap_get_ric_subscription_request_sequence_number(void *buffer, size_t buf_size)
{
E2AP_PDU_t *pdu = decode_E2AP_PDU(buffer, buf_size);
if ( pdu != NULL && pdu->present == E2AP_PDU_PR_initiatingMessage)
{
InitiatingMessage_t* initiatingMessage = pdu->choice.initiatingMessage;
if ( initiatingMessage->procedureCode == ProcedureCode_id_RICsubscription
&& initiatingMessage->value.present == InitiatingMessage__value_PR_RICsubscriptionRequest)
{
RICsubscriptionRequest_t *ric_subscription_request = &(initiatingMessage->value.choice.RICsubscriptionRequest);
for (int i = 0; i < ric_subscription_request->protocolIEs.list.count; ++i )
{
if ( ric_subscription_request->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID )
{
long sequenceNumber = ric_subscription_request->protocolIEs.list.array[i]->value.choice.RICrequestID.ricInstanceID;
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
return sequenceNumber;
}
}
}
}
if(pdu != NULL)
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
return -1;
}
ssize_t e2ap_set_ric_subscription_request_sequence_number(void *buffer, size_t buf_size, long sequence_number)
{
E2AP_PDU_t *pdu = decode_E2AP_PDU(buffer, buf_size);
if ( pdu != NULL && pdu->present == E2AP_PDU_PR_initiatingMessage)
{
InitiatingMessage_t* initiatingMessage = pdu->choice.initiatingMessage;
if ( initiatingMessage->procedureCode == ProcedureCode_id_RICsubscription
&& initiatingMessage->value.present == InitiatingMessage__value_PR_RICsubscriptionRequest)
{
RICsubscriptionRequest_t *ricSubscriptionRequest = &initiatingMessage->value.choice.RICsubscriptionRequest;
for (int i = 0; i < ricSubscriptionRequest->protocolIEs.list.count; ++i )
{
if ( ricSubscriptionRequest->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID )
{
ricSubscriptionRequest->protocolIEs.list.array[i]->value.choice.RICrequestID.ricInstanceID = sequence_number;
return encode_E2AP_PDU(pdu, buffer, buf_size);
}
}
}
}
if(pdu != NULL)
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
return -1;
}
ssize_t e2ap_encode_ric_subscription_request_message(void *buffer, size_t buf_size, long ricRequestorID, long ricRequestSequenceNumber, long ranFunctionID, void *eventTriggerDefinition, size_t eventTriggerDefinitionSize, int actionCount, long *actionIds, long* actionTypes, RICactionDefinition *actionDefinitions, RICSubsequentAction *subsequentActionTypes)
{
E2AP_PDU_t *init = (E2AP_PDU_t *)calloc(1, sizeof(E2AP_PDU_t));
if(!init) {
fprintf(stderr, "alloc E2AP_PDU failed\n");
return -1;
}
InitiatingMessage_t *initiatingMsg = (InitiatingMessage_t *)calloc(1, sizeof(InitiatingMessage_t));
if(!initiatingMsg) {
fprintf(stderr, "alloc InitiatingMessage failed\n");
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, init);
return -1;
}
init->choice.initiatingMessage = initiatingMsg;
init->present = E2AP_PDU_PR_initiatingMessage;
initiatingMsg->procedureCode = ProcedureCode_id_RICsubscription;
initiatingMsg->criticality = Criticality_reject;
initiatingMsg->value.present = InitiatingMessage__value_PR_RICsubscriptionRequest;
RICsubscriptionRequest_t *subscription_request = &initiatingMsg->value.choice.RICsubscriptionRequest;
// request contains 5 IEs
// RICrequestID
RICsubscriptionRequest_IEs_t *ies_reqID = (RICsubscriptionRequest_IEs_t *)calloc(1, sizeof(RICsubscriptionRequest_IEs_t));
if(!ies_reqID) {
fprintf(stderr, "alloc RICrequestID failed\n");
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, init);
return -1;
}
ies_reqID->criticality = Criticality_reject;
ies_reqID->id = ProtocolIE_ID_id_RICrequestID;
ies_reqID->value.present = RICsubscriptionRequest_IEs__value_PR_RICrequestID;
RICrequestID_t *ricrequest_ie = &ies_reqID->value.choice.RICrequestID;
ricrequest_ie->ricRequestorID = ricRequestorID;
ricrequest_ie->ricInstanceID = ricRequestSequenceNumber;
ASN_SEQUENCE_ADD(&subscription_request->protocolIEs.list, ies_reqID);
// RICfunctionID
RICsubscriptionRequest_IEs_t *ies_ranfunc = (RICsubscriptionRequest_IEs_t *)calloc(1, sizeof(RICsubscriptionRequest_IEs_t));
if(!ies_ranfunc) {
fprintf(stderr, "alloc RICfunctionID failed\n");
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, init);
return -1;
}
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 = ranFunctionID;
ASN_SEQUENCE_ADD(&subscription_request->protocolIEs.list, ies_ranfunc);
// RICsubscription
RICsubscriptionRequest_IEs_t *ies_subscription = (RICsubscriptionRequest_IEs_t *)calloc(1, sizeof(RICsubscriptionRequest_IEs_t));
if(!ies_subscription) {
fprintf(stderr, "alloc RICsubscription failed\n");
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, init);
return -1;
}
ies_subscription->criticality = Criticality_reject;
ies_subscription->id = ProtocolIE_ID_id_RICsubscriptionDetails;
ies_subscription->value.present = RICsubscriptionRequest_IEs__value_PR_RICsubscriptionDetails;
RICsubscriptionDetails_t *ricsubscription_ie = &ies_subscription->value.choice.RICsubscriptionDetails;
// RICeventTriggerDefinition
RICeventTriggerDefinition_t *eventTrigger = &ricsubscription_ie->ricEventTriggerDefinition;
eventTrigger->buf = (uint8_t *)calloc(1, eventTriggerDefinitionSize);
if(!eventTrigger->buf) {
fprintf(stderr, "alloc eventTrigger failed\n");
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, init);
return -1;
}
memcpy(eventTrigger->buf, eventTriggerDefinition, eventTriggerDefinitionSize);
eventTrigger->size = eventTriggerDefinitionSize;
// RICactions-ToBeSetup-List
RICactions_ToBeSetup_List_t *ricActions = &ricsubscription_ie->ricAction_ToBeSetup_List;
int index = 0;
while (index < actionCount) {
RICaction_ToBeSetup_ItemIEs_t *ies_action = (RICaction_ToBeSetup_ItemIEs_t *)calloc(1, sizeof(RICaction_ToBeSetup_ItemIEs_t));
if(!ies_action) {
fprintf(stderr, "alloc RICaction failed\n");
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, init);
return -1;
}
ies_action->criticality = Criticality_reject;
ies_action->id = ProtocolIE_ID_id_RICaction_ToBeSetup_Item;
ies_action->value.present = RICaction_ToBeSetup_ItemIEs__value_PR_RICaction_ToBeSetup_Item;
RICaction_ToBeSetup_Item_t *ricaction_ie = &ies_action->value.choice.RICaction_ToBeSetup_Item;
ricaction_ie->ricActionID = actionIds[index];
ricaction_ie->ricActionType = actionTypes[index];
int actionDefinitionSize = actionDefinitions[index].size;
if(actionDefinitionSize != 0) {
RICactionDefinition_t *actionDefinition = ricaction_ie->ricActionDefinition;
actionDefinition->buf = (uint8_t *)calloc(1, actionDefinitionSize);
if(!actionDefinition->buf) {
fprintf(stderr, "alloc actionDefinition[%d] failed\n", index);
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, init);
return -1;
}
memcpy(actionDefinition->buf, actionDefinitions[index].actionDefinition, actionDefinitionSize);
actionDefinition->size = actionDefinitionSize;
}
if(subsequentActionTypes[index].isValid != 0) {
RICsubsequentAction_t *subsequentAction = ricaction_ie->ricSubsequentAction;
subsequentAction->ricSubsequentActionType = subsequentActionTypes[index].subsequentActionType;
subsequentAction->ricTimeToWait = subsequentActionTypes[index].timeToWait;
}
ASN_SEQUENCE_ADD(&ricActions->list, ies_action);
index++;
}
ASN_SEQUENCE_ADD(&subscription_request->protocolIEs.list, ies_subscription);
return encode_E2AP_PDU(init, buffer, buf_size);
}
/* RICsubscriptionResponse */
long e2ap_get_ric_subscription_response_sequence_number(void *buffer, size_t buf_size)
{
E2AP_PDU_t *pdu = decode_E2AP_PDU(buffer, buf_size);
if ( pdu != NULL && pdu->present == E2AP_PDU_PR_successfulOutcome )
{
SuccessfulOutcome_t* successfulOutcome = pdu->choice.successfulOutcome;
if ( successfulOutcome->procedureCode == ProcedureCode_id_RICsubscription
&& successfulOutcome->value.present == SuccessfulOutcome__value_PR_RICsubscriptionResponse)
{
RICsubscriptionResponse_t *ricSubscriptionResponse = &successfulOutcome->value.choice.RICsubscriptionResponse;
for (int i = 0; i < ricSubscriptionResponse->protocolIEs.list.count; ++i )
{
if ( ricSubscriptionResponse->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID )
{
long sequenceNumber = ricSubscriptionResponse->protocolIEs.list.array[i]->value.choice.RICrequestID.ricInstanceID;
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
return sequenceNumber;
}
}
}
}
if(pdu != NULL)
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
return -1;
}
ssize_t e2ap_set_ric_subscription_response_sequence_number(void *buffer, size_t buf_size, long sequence_number)
{
E2AP_PDU_t *pdu = decode_E2AP_PDU(buffer, buf_size);
if ( pdu != NULL && pdu->present == E2AP_PDU_PR_successfulOutcome )
{
SuccessfulOutcome_t* successfulOutcome = pdu->choice.successfulOutcome;
if ( successfulOutcome->procedureCode == ProcedureCode_id_RICsubscription
&& successfulOutcome->value.present == SuccessfulOutcome__value_PR_RICsubscriptionResponse)
{
RICsubscriptionResponse_t *ricSubscriptionResponse = &successfulOutcome->value.choice.RICsubscriptionResponse;
for (int i = 0; i < ricSubscriptionResponse->protocolIEs.list.count; ++i )
{
if ( ricSubscriptionResponse->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID )
{
ricSubscriptionResponse->protocolIEs.list.array[i]->value.choice.RICrequestID.ricInstanceID = sequence_number;
return encode_E2AP_PDU(pdu, buffer, buf_size);
}
}
}
}
if(pdu != NULL)
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
return -1;
}
RICsubscriptionResponseMsg* e2ap_decode_ric_subscription_response_message(void *buffer, size_t buf_size)
{
E2AP_PDU_t *pdu = decode_E2AP_PDU(buffer, buf_size);
if ( pdu != NULL && pdu->present == E2AP_PDU_PR_successfulOutcome)
{
SuccessfulOutcome_t* successfulOutcome = pdu->choice.successfulOutcome;
if ( successfulOutcome->procedureCode == ProcedureCode_id_RICsubscription
&& successfulOutcome->value.present == SuccessfulOutcome__value_PR_RICsubscriptionResponse)
{
RICsubscriptionResponse_t *subscriptionResponse = &(successfulOutcome->value.choice.RICsubscriptionResponse);
RICsubscriptionResponseMsg *msg = (RICsubscriptionResponseMsg *)calloc(1, sizeof(RICsubscriptionResponseMsg));
for (int i = 0; i < subscriptionResponse->protocolIEs.list.count; ++i )
{
if (subscriptionResponse->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID) {
msg->requestorID = subscriptionResponse->protocolIEs.list.array[i]->value.choice.RICrequestID.ricRequestorID;
msg->requestSequenceNumber = subscriptionResponse->protocolIEs.list.array[i]->value.choice.RICrequestID.ricInstanceID;
}
else if (subscriptionResponse->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RANfunctionID) {
msg->ranfunctionID = subscriptionResponse->protocolIEs.list.array[i]->value.choice.RANfunctionID;
}
else if (subscriptionResponse->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICactions_Admitted) {
RICaction_Admitted_List_t *ricActionAdmittedList = &(subscriptionResponse->protocolIEs.list.array[i]->value.choice.RICaction_Admitted_List);
int index = 0;
while (index < ricActionAdmittedList->list.count) {
RICaction_Admitted_ItemIEs_t *ricActionAdmittedItem = (RICaction_Admitted_ItemIEs_t *)ricActionAdmittedList->list.array[index];
if (ricActionAdmittedItem->id == ProtocolIE_ID_id_RICaction_Admitted_Item) {
msg->ricActionAdmittedList.ricActionID[index] = ricActionAdmittedItem->value.choice.RICaction_Admitted_Item.ricActionID;
}
index++;
}
msg->ricActionAdmittedList.count = index;
}
else if (subscriptionResponse->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICactions_NotAdmitted) {
RICaction_NotAdmitted_List_t *ricActionNotAdmittedList = &(subscriptionResponse->protocolIEs.list.array[i]->value.choice.RICaction_NotAdmitted_List);
int index = 0;
while (index < ricActionNotAdmittedList->list.count) {
RICaction_NotAdmitted_ItemIEs_t *ricActionNotAdmittedItem = (RICaction_NotAdmitted_ItemIEs_t *)ricActionNotAdmittedList->list.array[index];
if (ricActionNotAdmittedItem->id == ProtocolIE_ID_id_RICaction_NotAdmitted_Item) {
msg->ricActionNotAdmittedList.ricActionID[index] = ricActionNotAdmittedItem->value.choice.RICaction_NotAdmitted_Item.ricActionID;
int RICcauseType = ricActionNotAdmittedItem->value.choice.RICaction_NotAdmitted_Item.cause.present;
switch(RICcauseType) {
case Cause_PR_ricRequest:
msg->ricActionNotAdmittedList.ricCause[index].ricCauseType = Cause_PR_ricRequest;
msg->ricActionNotAdmittedList.ricCause[index].ricCauseID = ricActionNotAdmittedItem->value.choice.RICaction_NotAdmitted_Item.cause.choice.ricRequest;
break;
case Cause_PR_ricService:
msg->ricActionNotAdmittedList.ricCause[index].ricCauseType = Cause_PR_ricService;
msg->ricActionNotAdmittedList.ricCause[index].ricCauseID = ricActionNotAdmittedItem->value.choice.RICaction_NotAdmitted_Item.cause.choice.ricService;
break;
case Cause_PR_transport:
msg->ricActionNotAdmittedList.ricCause[index].ricCauseType = Cause_PR_transport;
msg->ricActionNotAdmittedList.ricCause[index].ricCauseID = ricActionNotAdmittedItem->value.choice.RICaction_NotAdmitted_Item.cause.choice.transport;
break;
case Cause_PR_protocol:
msg->ricActionNotAdmittedList.ricCause[index].ricCauseType = Cause_PR_protocol;
msg->ricActionNotAdmittedList.ricCause[index].ricCauseID = ricActionNotAdmittedItem->value.choice.RICaction_NotAdmitted_Item.cause.choice.protocol;
break;
case Cause_PR_misc:
msg->ricActionNotAdmittedList.ricCause[index].ricCauseType = Cause_PR_misc;
msg->ricActionNotAdmittedList.ricCause[index].ricCauseID = ricActionNotAdmittedItem->value.choice.RICaction_NotAdmitted_Item.cause.choice.misc;
break;
}
}
index++;
}
msg->ricActionNotAdmittedList.count = index;
}
}
return msg;
}
}
return NULL;
}
/* RICsubscriptionFailure */
long e2ap_get_ric_subscription_failure_sequence_number(void *buffer, size_t buf_size)
{
E2AP_PDU_t *pdu = decode_E2AP_PDU(buffer, buf_size);
if ( pdu != NULL && pdu->present == E2AP_PDU_PR_unsuccessfulOutcome )
{
UnsuccessfulOutcome_t* unsuccessfulOutcome = pdu->choice.unsuccessfulOutcome;
if ( unsuccessfulOutcome->procedureCode == ProcedureCode_id_RICsubscription
&& unsuccessfulOutcome->value.present == UnsuccessfulOutcome__value_PR_RICsubscriptionFailure)
{
RICsubscriptionFailure_t *ricSubscriptionFailure = &unsuccessfulOutcome->value.choice.RICsubscriptionFailure;
for (int i = 0; i < ricSubscriptionFailure->protocolIEs.list.count; ++i )
{
if ( ricSubscriptionFailure->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID )
{
long sequenceNumber = ricSubscriptionFailure->protocolIEs.list.array[i]->value.choice.RICrequestID.ricInstanceID;
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
return sequenceNumber;
}
}
}
}
if(pdu != NULL)
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
return -1;
}
/* RICsubscriptionDeleteRequest */
long e2ap_get_ric_subscription_delete_request_sequence_number(void *buffer, size_t buf_size)
{
E2AP_PDU_t *pdu = decode_E2AP_PDU(buffer, buf_size);
if ( pdu != NULL && pdu->present == E2AP_PDU_PR_initiatingMessage )
{
InitiatingMessage_t* initiatingMessage = pdu->choice.initiatingMessage;
if ( initiatingMessage->procedureCode == ProcedureCode_id_RICsubscriptionDelete
&& initiatingMessage->value.present == InitiatingMessage__value_PR_RICsubscriptionDeleteRequest )
{
RICsubscriptionDeleteRequest_t *subscriptionDeleteRequest = &initiatingMessage->value.choice.RICsubscriptionDeleteRequest;
for (int i = 0; i < subscriptionDeleteRequest->protocolIEs.list.count; ++i )
{
if ( subscriptionDeleteRequest->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID )
{
long sequenceNumber = subscriptionDeleteRequest->protocolIEs.list.array[i]->value.choice.RICrequestID.ricInstanceID;
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
return sequenceNumber;
}
}
}
}
if(pdu != NULL)
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
return -1;
}
ssize_t e2ap_set_ric_subscription_delete_request_sequence_number(void *buffer, size_t buf_size, long sequence_number)
{
E2AP_PDU_t *pdu = decode_E2AP_PDU(buffer, buf_size);
if ( pdu != NULL && pdu->present == E2AP_PDU_PR_initiatingMessage )
{
InitiatingMessage_t* initiatingMessage = pdu->choice.initiatingMessage;
if ( initiatingMessage->procedureCode == ProcedureCode_id_RICsubscriptionDelete
&& initiatingMessage->value.present == InitiatingMessage__value_PR_RICsubscriptionDeleteRequest )
{
RICsubscriptionDeleteRequest_t* subscriptionDeleteRequest = &initiatingMessage->value.choice.RICsubscriptionDeleteRequest;
for (int i = 0; i < subscriptionDeleteRequest->protocolIEs.list.count; ++i )
{
if ( subscriptionDeleteRequest->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID )
{
subscriptionDeleteRequest->protocolIEs.list.array[i]->value.choice.RICrequestID.ricInstanceID = sequence_number;
return encode_E2AP_PDU(pdu, buffer, buf_size);
}
}
}
}
if(pdu != NULL)
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
return -1;
}
ssize_t e2ap_encode_ric_subscription_delete_request_message(void *buffer, size_t buf_size, long ricRequestorID, long ricRequestSequenceNumber, long ranFunctionID)
{
E2AP_PDU_t *init = (E2AP_PDU_t *)calloc(1, sizeof(E2AP_PDU_t));
if(!init) {
fprintf(stderr, "alloc E2AP_PDU failed\n");
return -1;
}
InitiatingMessage_t *initiatingMsg = (InitiatingMessage_t *)calloc(1, sizeof(InitiatingMessage_t));
if(!initiatingMsg) {
fprintf(stderr, "alloc InitiatingMessage failed\n");
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, init);
return -1;
}
init->choice.initiatingMessage = initiatingMsg;
init->present = E2AP_PDU_PR_initiatingMessage;
initiatingMsg->procedureCode = ProcedureCode_id_RICsubscriptionDelete;
initiatingMsg->criticality = Criticality_reject;
initiatingMsg->value.present = InitiatingMessage__value_PR_RICsubscriptionDeleteRequest;
RICsubscriptionDeleteRequest_t *subscription_delete_request = &initiatingMsg->value.choice.RICsubscriptionDeleteRequest;
// request contains 2 IEs
// RICrequestID
RICsubscriptionDeleteRequest_IEs_t *ies_reqID = (RICsubscriptionDeleteRequest_IEs_t *)calloc(1, sizeof(RICsubscriptionDeleteRequest_IEs_t));
if(!ies_reqID) {
fprintf(stderr, "alloc RICrequestID failed\n");
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, init);
return -1;
}
ies_reqID->criticality = Criticality_reject;
ies_reqID->id = ProtocolIE_ID_id_RICrequestID;
ies_reqID->value.present = RICsubscriptionDeleteRequest_IEs__value_PR_RICrequestID;
RICrequestID_t *ricrequest_ie = &ies_reqID->value.choice.RICrequestID;
ricrequest_ie->ricRequestorID = ricRequestorID;
ricrequest_ie->ricInstanceID = ricRequestSequenceNumber;
ASN_SEQUENCE_ADD(&subscription_delete_request->protocolIEs.list, ies_reqID);
// RICfunctionID
RICsubscriptionDeleteRequest_IEs_t *ies_ranfunc = (RICsubscriptionDeleteRequest_IEs_t *)calloc(1, sizeof(RICsubscriptionDeleteRequest_IEs_t));
if(!ies_ranfunc) {
fprintf(stderr, "alloc RICfunctionID failed\n");
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, init);
return -1;
}
ies_ranfunc->criticality = Criticality_reject;
ies_ranfunc->id = ProtocolIE_ID_id_RANfunctionID;
ies_ranfunc->value.present = RICsubscriptionDeleteRequest_IEs__value_PR_RANfunctionID;
RANfunctionID_t *ranfunction_ie = &ies_ranfunc->value.choice.RANfunctionID;
*ranfunction_ie = ranFunctionID;
ASN_SEQUENCE_ADD(&subscription_delete_request->protocolIEs.list, ies_ranfunc);
return encode_E2AP_PDU(init, buffer, buf_size);
}
/* RICsubscriptionDeleteResponse */
long e2ap_get_ric_subscription_delete_response_sequence_number(void *buffer, size_t buf_size)
{
E2AP_PDU_t *pdu = decode_E2AP_PDU(buffer, buf_size);
if ( pdu != NULL && pdu->present == E2AP_PDU_PR_successfulOutcome )
{
SuccessfulOutcome_t* successfulOutcome = pdu->choice.successfulOutcome;
if ( successfulOutcome->procedureCode == ProcedureCode_id_RICsubscriptionDelete
&& successfulOutcome->value.present == SuccessfulOutcome__value_PR_RICsubscriptionDeleteResponse )
{
RICsubscriptionDeleteResponse_t* subscriptionDeleteResponse = &successfulOutcome->value.choice.RICsubscriptionDeleteResponse;
for (int i = 0; i < subscriptionDeleteResponse->protocolIEs.list.count; ++i )
{
if ( subscriptionDeleteResponse->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID )
{
long sequenceNumber = subscriptionDeleteResponse->protocolIEs.list.array[i]->value.choice.RICrequestID.ricInstanceID;
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
return sequenceNumber;
}
}
}
}
if(pdu != NULL)
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
return -1;
}
ssize_t e2ap_set_ric_subscription_delete_response_sequence_number(void *buffer, size_t buf_size, long sequence_number)
{
E2AP_PDU_t *pdu = decode_E2AP_PDU(buffer, buf_size);
if ( pdu != NULL && pdu->present == E2AP_PDU_PR_successfulOutcome )
{
SuccessfulOutcome_t* successfulOutcome = pdu->choice.successfulOutcome;
if ( successfulOutcome->procedureCode == ProcedureCode_id_RICsubscriptionDelete
&& successfulOutcome->value.present == SuccessfulOutcome__value_PR_RICsubscriptionDeleteResponse )
{
RICsubscriptionDeleteResponse_t* subscriptionDeleteResponse = &successfulOutcome->value.choice.RICsubscriptionDeleteResponse;
for (int i = 0; i < subscriptionDeleteResponse->protocolIEs.list.count; ++i )
{
if ( subscriptionDeleteResponse->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID )
{
subscriptionDeleteResponse->protocolIEs.list.array[i]->value.choice.RICrequestID.ricInstanceID = sequence_number;
return encode_E2AP_PDU(pdu, buffer, buf_size);
}
}
}
}
if(pdu != NULL)
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
return -1;
}
/* RICsubscriptionDeleteFailure */
long e2ap_get_ric_subscription_delete_failure_sequence_number(void *buffer, size_t buf_size)
{
E2AP_PDU_t *pdu = decode_E2AP_PDU(buffer, buf_size);
if ( pdu != NULL && pdu->present == E2AP_PDU_PR_unsuccessfulOutcome )
{
UnsuccessfulOutcome_t* unsuccessfulOutcome = pdu->choice.unsuccessfulOutcome;
if ( unsuccessfulOutcome->procedureCode == ProcedureCode_id_RICsubscriptionDelete
&& unsuccessfulOutcome->value.present == UnsuccessfulOutcome__value_PR_RICsubscriptionDeleteFailure)
{
RICsubscriptionDeleteFailure_t *ricSubscriptionDeleteFailure = &unsuccessfulOutcome->value.choice.RICsubscriptionDeleteFailure;
for (int i = 0; i < ricSubscriptionDeleteFailure->protocolIEs.list.count; ++i )
{
if ( ricSubscriptionDeleteFailure->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID )
{
long sequenceNumber = ricSubscriptionDeleteFailure->protocolIEs.list.array[i]->value.choice.RICrequestID.ricInstanceID;
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
return sequenceNumber;
}
}
}
}
if(pdu != NULL)
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
return -1;
}
/* RICindication */
RICindicationMsg* e2ap_decode_ric_indication_message(void *buffer, size_t buf_size)
{
E2AP_PDU_t *pdu = decode_E2AP_PDU(buffer, buf_size);
if ( pdu != NULL && pdu->present == E2AP_PDU_PR_initiatingMessage)
{
InitiatingMessage_t* initiatingMessage = pdu->choice.initiatingMessage;
if ( initiatingMessage->procedureCode == ProcedureCode_id_RICindication
&& initiatingMessage->value.present == InitiatingMessage__value_PR_RICindication)
{
RICindication_t *indication = &(initiatingMessage->value.choice.RICindication);
RICindicationMsg *msg = (RICindicationMsg *)calloc(1, sizeof(RICindicationMsg));
for (int i = 0; i < indication->protocolIEs.list.count; ++i )
{
if (indication->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID) {
msg->requestorID = indication->protocolIEs.list.array[i]->value.choice.RICrequestID.ricRequestorID;
msg->requestSequenceNumber = indication->protocolIEs.list.array[i]->value.choice.RICrequestID.ricInstanceID;
}
else if (indication->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RANfunctionID) {
msg->ranfunctionID = indication->protocolIEs.list.array[i]->value.choice.RANfunctionID;
}
else if (indication->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICactionID) {
msg->actionID = indication->protocolIEs.list.array[i]->value.choice.RICactionID;
}
else if(indication->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICindicationSN) {
msg->indicationSN = indication->protocolIEs.list.array[i]->value.choice.RICindicationSN;
}
else if(indication->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICindicationType) {
msg->indicationType = indication->protocolIEs.list.array[i]->value.choice.RICindicationType;
}
else if(indication->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICindicationHeader) {
size_t headerSize = indication->protocolIEs.list.array[i]->value.choice.RICindicationHeader.size;
msg->indicationHeader = calloc(1, headerSize);
if (!msg->indicationHeader) {
fprintf(stderr, "alloc RICindicationHeader failed\n");
e2ap_free_decoded_ric_indication_message(msg);
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
return NULL;
}
memcpy(msg->indicationHeader, indication->protocolIEs.list.array[i]->value.choice.RICindicationHeader.buf, headerSize);
msg->indicationHeaderSize = headerSize;
}
else if(indication->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICindicationMessage) {
size_t messsageSize = indication->protocolIEs.list.array[i]->value.choice.RICindicationMessage.size;
msg->indicationMessage = calloc(1, messsageSize);
if (!msg->indicationMessage) {
fprintf(stderr, "alloc RICindicationMessage failed\n");
e2ap_free_decoded_ric_indication_message(msg);
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
return NULL;
}
memcpy(msg->indicationMessage, indication->protocolIEs.list.array[i]->value.choice.RICindicationMessage.buf, messsageSize);
msg->indicationMessageSize = messsageSize;
}
else if(indication->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICcallProcessID) {
size_t callProcessIDSize = indication->protocolIEs.list.array[i]->value.choice.RICcallProcessID.size;
msg->callProcessID = calloc(1, callProcessIDSize);
if (!msg->callProcessID) {
fprintf(stderr, "alloc RICcallProcessID failed\n");
e2ap_free_decoded_ric_indication_message(msg);
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
return NULL;
}
memcpy(msg->callProcessID, indication->protocolIEs.list.array[i]->value.choice.RICcallProcessID.buf, callProcessIDSize);
msg->callProcessIDSize = callProcessIDSize;
}
}
return msg;
}
}
if(pdu != NULL)
ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
return NULL;
}
void e2ap_free_decoded_ric_indication_message(RICindicationMsg* msg) {
if(msg == NULL) {
return;
}
if(msg->indicationHeader != NULL) {
free(msg->indicationHeader);
msg->indicationHeader = NULL;
}
if(msg->indicationMessage != NULL) {
free(msg->indicationMessage);
msg->indicationMessage = NULL;
}
if(msg->callProcessID != NULL) {
free(msg->callProcessID);
msg->callProcessID = NULL;
}
free(msg);
msg = NULL;
}
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