[RICPLT-2157] Restructure handlers and converters.......

[ric-plt/e2mgr.git] / E2Manager / converters / endc_x2setupFailureResponseToProtobuf.go

diff --git a/E2Manager/converters/endc_x2setupFailureResponseToProtobuf.go b/E2Manager/converters/endc_x2setupFailureResponseToProtobuf.go
new file mode 100644 (file)
index 0000000..3283f0a
--- /dev/null
+++ b/E2Manager/converters/endc_x2setupFailureResponseToProtobuf.go
@@ -0,0 +1,80 @@
+//
+// 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.
+//
+
+package converters
+
+// #cgo CFLAGS: -I../asn1codec/inc/ -I../asn1codec/e2ap_engine/
+// #cgo LDFLAGS: -L ../asn1codec/lib/ -L../asn1codec/e2ap_engine/ -le2ap_codec -lasncodec
+// #include <asn1codec_utils.h>
+// #include <x2setup_response_wrapper.h>
+import "C"
+import (
+       "e2mgr/logger"
+       "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
+       "unsafe"
+)
+
+// 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 UnpackEndcX2SetupFailureResponseAndExtract(logger *logger.Logger, allocationBufferSize int, packedBufferSize int, packedBuf []byte, maxMessageBufferSize int) (*entities.SetupFailure, error) {
+       pdu, err := UnpackX2apPdu(logger, allocationBufferSize, packedBufferSize, packedBuf, maxMessageBufferSize)
+       if err != nil {
+               return nil, err
+       }
+
+       defer C.delete_pdu(pdu)
+
+       return endcX2SetupFailureResponseToProtobuf(pdu)
+}