X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=E2Manager%2Fconverters%2Fendc_setup_failure_response_converter.go;fp=E2Manager%2Fconverters%2Fendc_setup_failure_response_converter.go;h=587fedfd06591d3ec0d40dce1bf428ea0677597b;hb=efcb4528362460aa2249d319c9752b63bb720fe2;hp=0000000000000000000000000000000000000000;hpb=b6c5a882f986ed2d6440cf9be83d69740179c53d;p=ric-plt%2Fe2mgr.git diff --git a/E2Manager/converters/endc_setup_failure_response_converter.go b/E2Manager/converters/endc_setup_failure_response_converter.go new file mode 100644 index 0000000..587fedf --- /dev/null +++ b/E2Manager/converters/endc_setup_failure_response_converter.go @@ -0,0 +1,99 @@ +// +// Copyright 2019 AT&T Intellectual Property +// Copyright 2019 Nokia +// +// 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. + +// This source code is part of the near-RT RIC (RAN Intelligent Controller) +// platform project (RICP). + + +package converters + +// #cgo CFLAGS: -I../3rdparty/asn1codec/inc/ -I../3rdparty/asn1codec/e2ap_engine/ +// #cgo LDFLAGS: -L ../3rdparty/asn1codec/lib/ -L../3rdparty/asn1codec/e2ap_engine/ -le2ap_codec -lasncodec +// #include +// #include +import "C" +import ( + "e2mgr/e2pdus" + "e2mgr/logger" + "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities" + "unsafe" +) + +type EndcSetupFailureResponseConverter struct { + logger *logger.Logger +} + +type IEndcSetupFailureResponseConverter interface { + UnpackEndcSetupFailureResponseAndExtract(packedBuf []byte) (*entities.SetupFailure, error) +} + +func NewEndcSetupFailureResponseConverter(logger *logger.Logger) *EndcSetupFailureResponseConverter { + return &EndcSetupFailureResponseConverter{ + logger: logger, + } +} + + +// Populate and return the EN-DC/X2 setup response failure structure with data from the pdu +func endcX2SetupFailureResponseToProtobuf(pdu *C.E2AP_PDU_t) (*entities.SetupFailure, error) { + setupFailure := entities.SetupFailure{} + + if pdu.present == C.E2AP_PDU_PR_unsuccessfulOutcome { + //dereference a union of pointers (C union is represented as a byte array with the size of the largest member) + unsuccessfulOutcome := *(**C.UnsuccessfulOutcome_t)(unsafe.Pointer(&pdu.choice[0])) + if unsuccessfulOutcome != nil && unsuccessfulOutcome.value.present == C.UnsuccessfulOutcome__value_PR_ENDCX2SetupFailure { + endcX2SetupFailure := (*C.ENDCX2SetupFailure_t)(unsafe.Pointer(&unsuccessfulOutcome.value.choice[0])) + if endcX2SetupFailure != nil && endcX2SetupFailure.protocolIEs.list.count > 0 { + count:=int(endcX2SetupFailure.protocolIEs.list.count) + endcX2SetupFailure_IEs_slice := (*[1 << 30]*C.ENDCX2SetupFailure_IEs_t)(unsafe.Pointer(endcX2SetupFailure.protocolIEs.list.array))[:count:count] + for _, endcX2SetupFailure_IE := range endcX2SetupFailure_IEs_slice { + if endcX2SetupFailure_IE != nil { + switch endcX2SetupFailure_IE.value.present { + case C.ENDCX2SetupFailure_IEs__value_PR_Cause: + causeIE := (*C.Cause_t)(unsafe.Pointer(&endcX2SetupFailure_IE.value.choice[0])) + err := getCause(causeIE, &setupFailure) + if err != nil { + return nil, err + } + case C.ENDCX2SetupFailure_IEs__value_PR_TimeToWait: + setupFailure.TimeToWait = entities.TimeToWait(1 + *((*C.TimeToWait_t)(unsafe.Pointer(&endcX2SetupFailure_IE.value.choice[0])))) + case C.ENDCX2SetupFailure_IEs__value_PR_CriticalityDiagnostics: + cdIE := (*C.CriticalityDiagnostics_t)(unsafe.Pointer(&endcX2SetupFailure_IE.value.choice[0])) + if cd, err := getCriticalityDiagnostics(cdIE); err == nil { + setupFailure.CriticalityDiagnostics = cd + } else { + return nil, err + } + } + } + } + } + } + } + + return &setupFailure, nil +} + +func (c *EndcSetupFailureResponseConverter) UnpackEndcSetupFailureResponseAndExtract(packedBuf []byte) (*entities.SetupFailure, error) { + pdu, err := UnpackX2apPdu(c.logger, e2pdus.MaxAsn1CodecAllocationBufferSize, len(packedBuf), packedBuf, e2pdus.MaxAsn1CodecMessageBufferSize) + if err != nil { + return nil, err + } + + defer C.delete_pdu(pdu) + + return endcX2SetupFailureResponseToProtobuf(pdu) +}