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).
20 package rmrmsghandlers
28 "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/common"
29 "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
32 type E2TermInitNotificationHandler struct {
34 ranDisconnectionManager *managers.RanDisconnectionManager
35 e2tInstancesManager managers.IE2TInstancesManager
36 routingManagerClient clients.IRoutingManagerClient
39 func NewE2TermInitNotificationHandler(logger *logger.Logger, ranDisconnectionManager *managers.RanDisconnectionManager, e2tInstancesManager managers.IE2TInstancesManager, routingManagerClient clients.IRoutingManagerClient) E2TermInitNotificationHandler {
40 return E2TermInitNotificationHandler{
42 ranDisconnectionManager: ranDisconnectionManager,
43 e2tInstancesManager: e2tInstancesManager,
44 routingManagerClient: routingManagerClient,
48 func (h E2TermInitNotificationHandler) Handle(request *models.NotificationRequest) {
49 unmarshalledPayload := models.E2TermInitPayload{}
50 err := json.Unmarshal(request.Payload, &unmarshalledPayload)
53 h.logger.Errorf("#E2TermInitNotificationHandler.Handle - Error unmarshaling E2 Term Init payload: %s", err)
57 e2tAddress := unmarshalledPayload.Address
59 if len(e2tAddress) == 0 {
60 h.logger.Errorf("#E2TermInitNotificationHandler.Handle - Empty E2T address received")
64 h.logger.Infof("#E2TermInitNotificationHandler.Handle - E2T payload: %s - handling E2_TERM_INIT", unmarshalledPayload)
66 e2tInstance, err := h.e2tInstancesManager.GetE2TInstance(e2tAddress)
69 _, ok := err.(*common.ResourceNotFoundError)
72 h.logger.Errorf("#E2TermInitNotificationHandler.Handle - Failed retrieving E2TInstance. error: %s", err)
76 h.HandleNewE2TInstance(e2tAddress, unmarshalledPayload.PodName)
80 if len(e2tInstance.AssociatedRanList) == 0 {
81 h.logger.Infof("#E2TermInitNotificationHandler.Handle - E2T Address: %s - E2T instance has no associated RANs", e2tInstance.Address)
82 h.UpdateExistingE2TInstanceToRtmgr(e2tAddress)
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 h.HandleExistingE2TInstance(e2tInstance)
93 h.logger.Infof("#E2TermInitNotificationHandler.Handle - Completed handling of E2_TERM_INIT")
96 func (h E2TermInitNotificationHandler) HandleExistingE2TInstance(e2tInstance *entities.E2TInstance) {
98 for _, ranName := range e2tInstance.AssociatedRanList {
100 if err := h.ranDisconnectionManager.DisconnectRan(ranName); err != nil {
101 if _, ok := err.(*common.ResourceNotFoundError); !ok {
108 func (h E2TermInitNotificationHandler) HandleNewE2TInstance(e2tAddress string, podName string) {
110 for i := 1; i < 4; i++ {
112 err := h.routingManagerClient.AddE2TInstance(e2tAddress)
116 _ = h.e2tInstancesManager.AddE2TInstance(e2tAddress, podName)
121 h.logger.Errorf("#E2TermInitNotificationHandler.HandleNewE2TInstance - e2t address count - %d : %s - routing manager failure", i, e2tAddress)
127 func (h E2TermInitNotificationHandler) UpdateExistingE2TInstanceToRtmgr(e2tAddress string) {
129 _ = h.e2tInstancesManager.ResetKeepAliveTimestamp(e2tAddress)
130 for i := 1; i < 4; i++ {
132 err := h.routingManagerClient.AddE2TInstance(e2tAddress)
138 h.logger.Errorf("#E2TermInitNotificationHandler.UpdateExistingE2TInstanceToRtmgr - e2t address count - %d : %s - routing manager failure", i, e2tAddress)