91 lines
2.9 KiB
Go
91 lines
2.9 KiB
Go
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//
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// Copyright 2019 AT&T Intellectual Property
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// Copyright 2019 Nokia
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// This source code is part of the near-RT RIC (RAN Intelligent Controller)
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// platform project (RICP).
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package converters
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// #cgo CFLAGS: -I../3rdparty/asn1codec/inc/ -I../3rdparty/asn1codec/e2ap_engine/
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// #cgo LDFLAGS: -L ../3rdparty/asn1codec/lib/ -L../3rdparty/asn1codec/e2ap_engine/ -le2ap_codec -lasncodec
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// #include <asn1codec_utils.h>
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// #include <SuccessfulOutcome.h>
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import "C"
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import (
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"e2mgr/e2pdus"
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"e2mgr/logger"
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"fmt"
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"gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
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"unsafe"
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)
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type X2ResetResponseExtractor struct {
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logger *logger.Logger
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}
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func NewX2ResetResponseExtractor(logger *logger.Logger) *X2ResetResponseExtractor {
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return &X2ResetResponseExtractor{
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logger: logger,
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}
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}
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type IX2ResetResponseExtractor interface {
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ExtractCriticalityDiagnosticsFromPdu(packedBuffer []byte) (*entities.CriticalityDiagnostics, error)
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}
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func (e *X2ResetResponseExtractor) ExtractCriticalityDiagnosticsFromPdu(packedBuffer []byte) (*entities.CriticalityDiagnostics, error) {
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pdu, err := UnpackX2apPdu(e.logger, e2pdus.MaxAsn1CodecAllocationBufferSize, len(packedBuffer), packedBuffer, e2pdus.MaxAsn1CodecMessageBufferSize)
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if err != nil {
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return nil, err
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}
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if pdu.present != C.E2AP_PDU_PR_successfulOutcome {
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return nil, fmt.Errorf("Invalid E2AP_PDU value")
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}
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successfulOutcome := *(**C.SuccessfulOutcome_t)(unsafe.Pointer(&pdu.choice[0]))
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if successfulOutcome == nil || successfulOutcome.value.present != C.SuccessfulOutcome__value_PR_ResetResponse {
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return nil, fmt.Errorf("Unexpected SuccessfulOutcome value")
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}
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resetResponse := (*C.ResetResponse_t)(unsafe.Pointer(&successfulOutcome.value.choice[0]))
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protocolIEsListCount := resetResponse.protocolIEs.list.count
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if protocolIEsListCount == 0 {
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return nil, nil
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}
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if protocolIEsListCount != 1 {
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return nil, fmt.Errorf("Invalid protocolIEs list count")
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}
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resetResponseIEs := (*[1 << 30]*C.ResetResponse_IEs_t)(unsafe.Pointer(resetResponse.protocolIEs.list.array))[:int(protocolIEsListCount):int(protocolIEsListCount)]
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resetResponseIE := resetResponseIEs[0]
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if resetResponseIE.value.present != C.ResetResponse_IEs__value_PR_CriticalityDiagnostics {
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return nil, fmt.Errorf("Invalid protocolIEs value")
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}
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cd := (*C.CriticalityDiagnostics_t)(unsafe.Pointer(&resetResponseIE.value.choice[0]))
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return getCriticalityDiagnostics(cd)
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}
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