RICPLT-2801 Implement Subscription Request timer, RICPLT-2801 Implement Subscription...
[ric-plt/submgr.git] / e2ap / wrapper.c
index 231e777..78c43f7 100644 (file)
@@ -5,7 +5,7 @@ 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);
-    if(encode_result.encoded == -1) {
+    if (encode_result.encoded == -1) {
         return -1;
     }
     return encode_result.encoded;
@@ -16,7 +16,7 @@ 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) {
+    if (decode_result.code == RC_OK) {
         return pdu;
     } else {
         ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
@@ -26,183 +26,371 @@ E2AP_PDU_t* decode_E2AP_PDU(const void* buffer, size_t buf_size)
 
 long e2ap_get_ric_subscription_request_sequence_number(void *buffer, size_t buf_size)
 {
+    int errorCode = -1;
     E2AP_PDU_t *pdu = decode_E2AP_PDU(buffer, buf_size);
-    if pdu != NULL && pdu->present == E2AP_PDU_PR_initiatingMessage)
+    if  (pdu != NULL && pdu->present == E2AP_PDU_PR_initiatingMessage)
     {
         InitiatingMessage_t* initiatingMessage = pdu->choice.initiatingMessage;
-        if ( initiatingMessage->procedureCode == ProcedureCode_id_ricSubscription
+        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 )
+            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 )
+                if (ric_subscription_request->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID)
                 {
-                    return ric_subscription_request->protocolIEs.list.array[i]->value.choice.RICrequestID.ricRequestSequenceNumber;
+                    long sequence_number = ric_subscription_request->protocolIEs.list.array[i]->value.choice.RICrequestID.ricRequestSequenceNumber;
+                    ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+                    return sequence_number;
                 }
+                else
+                    errorCode = -3;
             }
         }
+        else
+            errorCode = -2;
     }
-    return -1;
+    ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+    return errorCode;
 }
 
 ssize_t  e2ap_set_ric_subscription_request_sequence_number(void *buffer, size_t buf_size, long sequence_number)
 {
+    int errorCode = -1;
     E2AP_PDU_t *pdu = decode_E2AP_PDU(buffer, buf_size);
-    if ( pdu != NULL && pdu->present == E2AP_PDU_PR_initiatingMessage)
+    if (pdu != NULL && pdu->present == E2AP_PDU_PR_initiatingMessage)
     {
         InitiatingMessage_t* initiatingMessage = pdu->choice.initiatingMessage;
-        if ( initiatingMessage->procedureCode == ProcedureCode_id_ricSubscription
+        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 )
+            for (int i = 0; i < ricSubscriptionRequest->protocolIEs.list.count; ++i)
             {
-                if ( ricSubscriptionRequest->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID )
+                if (ricSubscriptionRequest->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID)
                 {
                     ricSubscriptionRequest->protocolIEs.list.array[i]->value.choice.RICrequestID.ricRequestSequenceNumber = sequence_number;
-                    return encode_E2AP_PDU(pdu, buffer, buf_size);
+                    size_t encode_size = encode_E2AP_PDU(pdu, buffer, buf_size);
+                    ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+                    return encode_size;
                 }
+                else
+                    errorCode = -3;
             }
         }
+        else
+            return -2;
     }
-    return -1;
+    ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+    return errorCode;
 }
 
 /* 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 )
+    int errorCode = -1;
+     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
+        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 )
+            for (int i = 0; i < ricSubscriptionResponse->protocolIEs.list.count; ++i)
             {
-                if ( ricSubscriptionResponse->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID )
+                if (ricSubscriptionResponse->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID)
                 {
-                    return ricSubscriptionResponse->protocolIEs.list.array[i]->value.choice.RICrequestID.ricRequestSequenceNumber;
+                    long sequence_number = ricSubscriptionResponse->protocolIEs.list.array[i]->value.choice.RICrequestID.ricRequestSequenceNumber;
+                    ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+                    return sequence_number;
                 }
+                else
+                    errorCode = -3;
             }
         }
+        else
+            errorCode = -2;
     }
-    return -1;
+    ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+    return errorCode;
 }
 
 ssize_t  e2ap_set_ric_subscription_response_sequence_number(void *buffer, size_t buf_size, long sequence_number)
 {
+    int errorCode = -1;
     E2AP_PDU_t *pdu = decode_E2AP_PDU(buffer, buf_size);
-    if ( pdu != NULL && pdu->present == E2AP_PDU_PR_successfulOutcome )
+    if (pdu != NULL && pdu->present == E2AP_PDU_PR_successfulOutcome)
     {
         SuccessfulOutcome_t* successfulOutcome = pdu->choice.successfulOutcome;
-        if ( successfulOutcome->procedureCode == ProcedureCode_id_ricSubscription
+        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 )
+            for (int i = 0; i < ricSubscriptionResponse->protocolIEs.list.count; ++i)
             {
-                if ( ricSubscriptionResponse->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID )
+                if (ricSubscriptionResponse->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID)
                 {
                     ricSubscriptionResponse->protocolIEs.list.array[i]->value.choice.RICrequestID.ricRequestSequenceNumber = sequence_number;
-                    return encode_E2AP_PDU(pdu, buffer, buf_size);
+                    size_t encode_size = encode_E2AP_PDU(pdu, buffer, buf_size);
+                    ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+                    return encode_size;
                 }
+                else
+                    errorCode = -3;
             }
         }
+        else
+            errorCode = -2;
     }
-    return -1;
+    ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+    return errorCode;
 }
 
 /* RICsubscriptionDeleteRequest */
 long e2ap_get_ric_subscription_delete_request_sequence_number(void *buffer, size_t buf_size)
 {
+    int errorCode = -1;
     E2AP_PDU_t *pdu = decode_E2AP_PDU(buffer, buf_size);
-    if ( pdu != NULL && pdu->present == E2AP_PDU_PR_initiatingMessage )
+    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 )
+        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 )
+            for (int i = 0; i < subscriptionDeleteRequest->protocolIEs.list.count; ++i)
             {
-                if ( subscriptionDeleteRequest->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID )
+                if (subscriptionDeleteRequest->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID)
                 {
-                    return subscriptionDeleteRequest->protocolIEs.list.array[i]->value.choice.RICrequestID.ricRequestSequenceNumber;
+                    long sequence_number = subscriptionDeleteRequest->protocolIEs.list.array[i]->value.choice.RICrequestID.ricRequestSequenceNumber;
+                    ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+                    return sequence_number;
                 }
+                else
+                    errorCode = -3;
             }
         }
+        else
+            errorCode = -2;
     }
-    return -1;
+    ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+    return errorCode;
 }
 
 ssize_t  e2ap_set_ric_subscription_delete_request_sequence_number(void *buffer, size_t buf_size, long sequence_number)
 {
+    int errorCode = -1;
     E2AP_PDU_t *pdu = decode_E2AP_PDU(buffer, buf_size);
-    if ( pdu != NULL && pdu->present == E2AP_PDU_PR_initiatingMessage )
+    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 )
+        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 )
+            for (int i = 0; i < subscriptionDeleteRequest->protocolIEs.list.count; ++i)
             {
-                if ( subscriptionDeleteRequest->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID )
+                if (subscriptionDeleteRequest->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID)
                 {
                     subscriptionDeleteRequest->protocolIEs.list.array[i]->value.choice.RICrequestID.ricRequestSequenceNumber = sequence_number;
-                    return encode_E2AP_PDU(pdu, buffer, buf_size);
+                    size_t encode_size = encode_E2AP_PDU(pdu, buffer, buf_size);
+                    ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+                    return encode_size;
                 }
+                else
+                    errorCode = -3;
             }
         }
+        else
+            errorCode = -2;
     }
-    return -1;
+    ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+    return errorCode;
 }
 
 /* RICsubscriptionDeleteResponse */
 long e2ap_get_ric_subscription_delete_response_sequence_number(void *buffer, size_t buf_size)
 {
+    int errorCode = -1;
     E2AP_PDU_t *pdu = decode_E2AP_PDU(buffer, buf_size);
-    if ( pdu != NULL && pdu->present == E2AP_PDU_PR_successfulOutcome )
+    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 )
+        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 )
+            for (int i = 0; i < subscriptionDeleteResponse->protocolIEs.list.count; ++i)
             {
-                if ( subscriptionDeleteResponse->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID )
+                if (subscriptionDeleteResponse->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID)
                 {
-                    return subscriptionDeleteResponse->protocolIEs.list.array[i]->value.choice.RICrequestID.ricRequestSequenceNumber;
+                    long sequence_number = subscriptionDeleteResponse->protocolIEs.list.array[i]->value.choice.RICrequestID.ricRequestSequenceNumber;
+                    ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+                    return sequence_number;
                 }
+                else
+                    errorCode = -3;
             }
         }
+        else
+            errorCode = -2;
     }
-    return -1;
+    ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+    return errorCode;
 }
 
 ssize_t  e2ap_set_ric_subscription_delete_response_sequence_number(void *buffer, size_t buf_size, long sequence_number)
 {
+    int errorCode = -1;
     E2AP_PDU_t *pdu = decode_E2AP_PDU(buffer, buf_size);
-    if ( pdu != NULL && pdu->present == E2AP_PDU_PR_successfulOutcome )
+    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 )
+        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 )
+            for (int i = 0; i < subscriptionDeleteResponse->protocolIEs.list.count; ++i)
             {
-                if ( subscriptionDeleteResponse->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID )
+                if (subscriptionDeleteResponse->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID)
                 {
                     subscriptionDeleteResponse->protocolIEs.list.array[i]->value.choice.RICrequestID.ricRequestSequenceNumber = sequence_number;
-                    return encode_E2AP_PDU(pdu, buffer, buf_size);
+                    size_t encode_size = encode_E2AP_PDU(pdu, buffer, buf_size);
+                    ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+                    return encode_size;
+                }
+                else
+                    errorCode = -3;
+            }
+        }
+        else
+            errorCode = -2;
+    }
+    ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+    return errorCode;
+}
+
+// This function is not used currently. Can be deleted if not needed
+ssize_t  e2ap_set_ric_subscription_failure_sequence_number(void *buffer, size_t buf_size, long sequence_number)
+{
+    int errorCode = -1;
+    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* subscriptionFailure = &unsuccessfulOutcome->value.choice.RICsubscriptionFailure;
+            for (int i = 0; i < subscriptionFailure->protocolIEs.list.count; ++i)
+            {
+                if (subscriptionFailure->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID)
+                {
+                    subscriptionFailure->protocolIEs.list.array[i]->value.choice.RICrequestID.ricRequestSequenceNumber = sequence_number;
+                    size_t encode_size = encode_E2AP_PDU(pdu, buffer, buf_size);
+                    ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+                    return encode_size;
+                }
+                else
+                    errorCode = -3;
+            }
+        }
+        else
+            errorCode = -2;
+    }
+    ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+    return errorCode;
+}
+
+long e2ap_get_ric_subscription_failure_sequence_number(void *buffer, size_t buf_size)
+{
+    int errorCode = -1;
+    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* subscriptionFailure = &unsuccessfulOutcome->value.choice.RICsubscriptionFailure;;
+            for (int i = 0; i < subscriptionFailure->protocolIEs.list.count; ++i)
+            {
+                if (subscriptionFailure->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID)
+                {
+                    long sequence_number = subscriptionFailure->protocolIEs.list.array[i]->value.choice.RICrequestID.ricRequestSequenceNumber;
+                    ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+                    return sequence_number;
+                }
+                else
+                    errorCode = -3;
+            }
+        }
+        else
+            errorCode = -2;
+    }
+    ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+    return errorCode;
+}
+
+// This function is not used currently. Can be deleted if not needed
+ssize_t  e2ap_set_ric_subscription_delete_failure_sequence_number(void *buffer, size_t buf_size, long sequence_number)
+{
+    int errorCode = -1;
+    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* subscriptionDeleteFailure = &unsuccessfulOutcome->value.choice.RICsubscriptionDeleteFailure;
+            for (int i = 0; i < subscriptionDeleteFailure->protocolIEs.list.count; ++i)
+            {
+                if (subscriptionDeleteFailure->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID)
+                {
+                    subscriptionDeleteFailure->protocolIEs.list.array[i]->value.choice.RICrequestID.ricRequestSequenceNumber = sequence_number;
+                    size_t encode_size = encode_E2AP_PDU(pdu, buffer, buf_size);
+                    ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+                    return encode_size;
+                }
+                else
+                    errorCode = -3;
+            }
+        }
+        else
+            errorCode = -2;
+    }
+    ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+    return errorCode;
+}
+
+long e2ap_get_ric_subscription_delete_failure_sequence_number(void *buffer, size_t buf_size)
+{
+    int errorCode = -1;
+    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* subscriptionDeleteFailure = &unsuccessfulOutcome->value.choice.RICsubscriptionDeleteFailure;;
+            for (int i = 0; i < subscriptionDeleteFailure->protocolIEs.list.count; ++i)
+            {
+                if (subscriptionDeleteFailure->protocolIEs.list.array[i]->id == ProtocolIE_ID_id_RICrequestID)
+                {
+                    long sequence_number = subscriptionDeleteFailure->protocolIEs.list.array[i]->value.choice.RICrequestID.ricRequestSequenceNumber;
+                    ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+                    return sequence_number;
                 }
+                else
+                    errorCode = -3;
             }
         }
+        else
+            errorCode = -2;
     }
-    return -1;
+    ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+    return errorCode;
 }