2 // Copyright 2019 AT&T Intellectual Property
3 // Copyright 2019 Nokia
5 // Licensed under the Apache License, Version 2.0 (the "License");
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
9 // http://www.apache.org/licenses/LICENSE-2.0
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
17 // This source code is part of the near-RT RIC (RAN Intelligent Controller)
18 // platform project (RICP).
23 // #cgo CFLAGS: -I../3rdparty/asn1codec/inc/ -I../3rdparty/asn1codec/e2ap_engine/
24 // #cgo LDFLAGS: -L ../3rdparty/asn1codec/lib/ -L../3rdparty/asn1codec/e2ap_engine/ -le2ap_codec -lasncodec
25 // #include <asn1codec_utils.h>
26 // #include <x2setup_response_wrapper.h>
31 "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
35 type EndcSetupFailureResponseConverter struct {
39 type IEndcSetupFailureResponseConverter interface {
40 UnpackEndcSetupFailureResponseAndExtract(packedBuf []byte) (*entities.SetupFailure, error)
43 func NewEndcSetupFailureResponseConverter(logger *logger.Logger) *EndcSetupFailureResponseConverter {
44 return &EndcSetupFailureResponseConverter{
50 // Populate and return the EN-DC/X2 setup response failure structure with data from the pdu
51 func endcX2SetupFailureResponseToProtobuf(pdu *C.E2AP_PDU_t) (*entities.SetupFailure, error) {
52 setupFailure := entities.SetupFailure{}
54 if pdu.present == C.E2AP_PDU_PR_unsuccessfulOutcome {
55 //dereference a union of pointers (C union is represented as a byte array with the size of the largest member)
56 unsuccessfulOutcome := *(**C.UnsuccessfulOutcome_t)(unsafe.Pointer(&pdu.choice[0]))
57 if unsuccessfulOutcome != nil && unsuccessfulOutcome.value.present == C.UnsuccessfulOutcome__value_PR_ENDCX2SetupFailure {
58 endcX2SetupFailure := (*C.ENDCX2SetupFailure_t)(unsafe.Pointer(&unsuccessfulOutcome.value.choice[0]))
59 if endcX2SetupFailure != nil && endcX2SetupFailure.protocolIEs.list.count > 0 {
60 count:=int(endcX2SetupFailure.protocolIEs.list.count)
61 endcX2SetupFailure_IEs_slice := (*[1 << 30]*C.ENDCX2SetupFailure_IEs_t)(unsafe.Pointer(endcX2SetupFailure.protocolIEs.list.array))[:count:count]
62 for _, endcX2SetupFailure_IE := range endcX2SetupFailure_IEs_slice {
63 if endcX2SetupFailure_IE != nil {
64 switch endcX2SetupFailure_IE.value.present {
65 case C.ENDCX2SetupFailure_IEs__value_PR_Cause:
66 causeIE := (*C.Cause_t)(unsafe.Pointer(&endcX2SetupFailure_IE.value.choice[0]))
67 err := getCause(causeIE, &setupFailure)
71 case C.ENDCX2SetupFailure_IEs__value_PR_TimeToWait:
72 setupFailure.TimeToWait = entities.TimeToWait(1 + *((*C.TimeToWait_t)(unsafe.Pointer(&endcX2SetupFailure_IE.value.choice[0]))))
73 case C.ENDCX2SetupFailure_IEs__value_PR_CriticalityDiagnostics:
74 cdIE := (*C.CriticalityDiagnostics_t)(unsafe.Pointer(&endcX2SetupFailure_IE.value.choice[0]))
75 if cd, err := getCriticalityDiagnostics(cdIE); err == nil {
76 setupFailure.CriticalityDiagnostics = cd
87 return &setupFailure, nil
90 func (c *EndcSetupFailureResponseConverter) UnpackEndcSetupFailureResponseAndExtract(packedBuf []byte) (*entities.SetupFailure, error) {
91 pdu, err := UnpackX2apPdu(c.logger, e2pdus.MaxAsn1CodecAllocationBufferSize, len(packedBuf), packedBuf, e2pdus.MaxAsn1CodecMessageBufferSize)
96 defer C.delete_pdu(pdu)
98 return endcX2SetupFailureResponseToProtobuf(pdu)