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).
21 package rmrmsghandlers
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 <x2reset_response_wrapper.h>
36 "e2mgr/services/rmrsender"
39 "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
43 type X2ResetRequestNotificationHandler struct {
45 rnibDataService services.RNibDataService
46 ranStatusChangeManager managers.IRanStatusChangeManager
47 rmrSender *rmrsender.RmrSender
50 func NewX2ResetRequestNotificationHandler(logger *logger.Logger, rnibDataService services.RNibDataService, ranStatusChangeManager managers.IRanStatusChangeManager, rmrSender *rmrsender.RmrSender) X2ResetRequestNotificationHandler {
51 return X2ResetRequestNotificationHandler{
53 rnibDataService: rnibDataService,
54 ranStatusChangeManager: ranStatusChangeManager,
59 func (h X2ResetRequestNotificationHandler) Handle(request *models.NotificationRequest) {
61 h.logger.Infof("#X2ResetRequestNotificationHandler.Handle - Ran name: %s", request.RanName)
63 nb, rNibErr := h.rnibDataService.GetNodeb(request.RanName)
65 h.logger.Errorf("#X2ResetRequestNotificationHandler.Handle - failed to retrieve nodeB entity. RanName: %s. Error: %s", request.RanName, rNibErr.Error())
66 h.logger.Infof("#X2ResetRequestNotificationHandler.Handle - Summary: elapsed time for receiving and handling reset request message from E2 terminator: %f ms", utils.ElapsedTime(request.StartTime))
70 h.logger.Debugf("#X2ResetRequestNotificationHandler.Handle - nodeB entity retrieved. RanName %s, ConnectionStatus %s", nb.RanName, nb.ConnectionStatus)
72 if nb.ConnectionStatus == entities.ConnectionStatus_SHUTTING_DOWN {
73 h.logger.Warnf("#X2ResetRequestNotificationHandler.Handle - nodeB entity in incorrect state. RanName %s, ConnectionStatus %s", nb.RanName, nb.ConnectionStatus)
74 h.logger.Infof("#X2ResetRequestNotificationHandler.Handle - Summary: elapsed time for receiving and handling reset request message from E2 terminator: %f ms", utils.ElapsedTime(request.StartTime))
78 if nb.ConnectionStatus != entities.ConnectionStatus_CONNECTED {
79 h.logger.Errorf("#X2ResetRequestNotificationHandler.Handle - nodeB entity in incorrect state. RanName %s, ConnectionStatus %s", nb.RanName, nb.ConnectionStatus)
80 h.logger.Infof("#X2ResetRequestNotificationHandler.Handle - Summary: elapsed time for receiving and handling reset request message from E2 terminator: %f ms", utils.ElapsedTime(request.StartTime))
84 msg, err := createX2ResetResponseNotification(request)
86 h.logger.Errorf("#X2ResetRequestNotificationHandler.Handle - %s", err)
90 _ = h.rmrSender.Send(msg)
91 h.logger.Infof("#X2ResetRequestNotificationHandler.Handle - Summary: elapsed time for receiving and handling reset request message from E2 terminator: %f ms", utils.ElapsedTime(request.StartTime))
92 _ = h.ranStatusChangeManager.Execute(rmrCgo.RAN_RESTARTED, enums.RAN_TO_RIC, nb)
95 func createX2ResetResponseNotification(request *models.NotificationRequest) (*models.RmrMessage, error) {
97 packedBuffer := make([]C.uchar, e2pdus.MaxAsn1PackedBufferSize)
98 errorBuffer := make([]C.char, e2pdus.MaxAsn1CodecMessageBufferSize)
99 var payloadSize = C.ulong(e2pdus.MaxAsn1PackedBufferSize)
101 if status := C.build_pack_x2reset_response(&payloadSize, &packedBuffer[0], C.ulong(e2pdus.MaxAsn1CodecMessageBufferSize), &errorBuffer[0]); !status {
102 return nil, fmt.Errorf("failed to build and pack the reset response message %s ", C.GoString(&errorBuffer[0]))
104 payload := C.GoBytes(unsafe.Pointer(&packedBuffer[0]), C.int(payloadSize))
105 msg := models.NewRmrMessage(rmrCgo.RIC_X2_RESET_RESP, request.RanName, payload)