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
29 "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/common"
30 "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
33 type E2TermInitNotificationHandler struct {
35 ranDisconnectionManager *managers.RanDisconnectionManager
36 e2tInstancesManager managers.IE2TInstancesManager
37 routingManagerClient clients.IRoutingManagerClient
40 func NewE2TermInitNotificationHandler(logger *logger.Logger, ranDisconnectionManager *managers.RanDisconnectionManager, e2tInstancesManager managers.IE2TInstancesManager, routingManagerClient clients.IRoutingManagerClient) E2TermInitNotificationHandler {
41 return E2TermInitNotificationHandler{
43 ranDisconnectionManager: ranDisconnectionManager,
44 e2tInstancesManager: e2tInstancesManager,
45 routingManagerClient: routingManagerClient,
49 func (h E2TermInitNotificationHandler) Handle(request *models.NotificationRequest) {
50 unmarshalledPayload := models.E2TermInitPayload{}
51 err := json.Unmarshal(request.Payload, &unmarshalledPayload)
54 h.logger.Errorf("#E2TermInitNotificationHandler.Handle - Error unmarshaling E2 Term Init payload: %s", err)
58 e2tAddress := unmarshalledPayload.Address
60 if len(e2tAddress) == 0 {
61 h.logger.Errorf("#E2TermInitNotificationHandler.Handle - Empty E2T address received")
65 h.logger.Infof("#E2TermInitNotificationHandler.Handle - E2T address: %s - handling E2_TERM_INIT", e2tAddress)
67 e2tInstance, err := h.e2tInstancesManager.GetE2TInstance(e2tAddress)
70 _, ok := err.(*common.ResourceNotFoundError)
73 h.logger.Errorf("#E2TermInitNotificationHandler.Handle - Failed retrieving E2TInstance. error: %s", err)
77 h.HandleNewE2TInstance(e2tAddress)
81 if len(e2tInstance.AssociatedRanList) == 0 {
82 h.logger.Infof("#E2TermInitNotificationHandler.Handle - E2T Address: %s - E2T instance has no associated RANs", e2tInstance.Address)
86 if e2tInstance.State == entities.ToBeDeleted{
87 h.logger.Infof("#E2TermInitNotificationHandler.Handle - E2T Address: %s - E2T instance status is: %s, ignore", e2tInstance.Address, e2tInstance.State)
91 if e2tInstance.State == entities.RoutingManagerFailure {
92 err := h.e2tInstancesManager.SetE2tInstanceState(e2tAddress, e2tInstance.State, entities.Active)
98 h.HandleExistingE2TInstance(e2tInstance)
100 h.logger.Infof("#E2TermInitNotificationHandler.Handle - Completed handling of E2_TERM_INIT")
103 func (h E2TermInitNotificationHandler) HandleExistingE2TInstance(e2tInstance *entities.E2TInstance) {
105 for _, ranName := range e2tInstance.AssociatedRanList {
107 if err := h.ranDisconnectionManager.DisconnectRan(ranName); err != nil {
108 h.logger.Errorf("#E2TermInitNotificationHandler.HandleExistingE2TInstance - Ran name: %s - connection attempt failure, error: %s", ranName, err)
109 _, ok := err.(*common.ResourceNotFoundError)
117 func (h E2TermInitNotificationHandler) HandleNewE2TInstance(e2tAddress string) {
119 err := h.routingManagerClient.AddE2TInstance(e2tAddress)
122 h.logger.Errorf("#E2TermInitNotificationHandler.HandleNewE2TInstance - e2t address: %s - routing manager failure", e2tAddress)
126 _ = h.e2tInstancesManager.AddE2TInstance(e2tAddress)