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.
31 type RmrConfig struct {
38 func NewRmrConfig(port int, maxMsgSize int, flags int, logger *logger.Logger) *RmrConfig {
39 return &RmrConfig{port, maxMsgSize, flags, logger}
42 // RmrService holds an instance of RMR messenger as well as its configuration
43 type RmrService struct {
45 messenger *rmrCgo.RmrMessenger
46 e2sessions sessions.E2Sessions
47 nManager *managers.NotificationManager
48 rmrResponse chan *models.NotificationResponse
51 // NewRmrService instantiates a new Rmr service instance
52 func NewRmrService(rmrConfig *RmrConfig, msrImpl rmrCgo.RmrMessenger, e2sessions sessions.E2Sessions, nManager *managers.NotificationManager,
53 rmrResponse chan *models.NotificationResponse) *RmrService {
57 messenger: msrImpl.Init("tcp:"+strconv.Itoa(rmrConfig.Port), rmrConfig.MaxMsgSize, rmrConfig.Flags, rmrConfig.Logger),
58 e2sessions: e2sessions,
60 rmrResponse: rmrResponse,
64 func (r *RmrService) SendMessage(messageType int, messageChannel chan *models.E2RequestMessage, errorChannel chan error,
68 setupRequestMessage := <-messageChannel
69 e2Message := setupRequestMessage.GetMessageAsBytes(r.config.Logger)
71 transactionId := []byte(setupRequestMessage.TransactionId())
73 msg := rmrCgo.NewMBuf(messageType, len(e2Message)/*r.config.MaxMsgSize*/, setupRequestMessage.RanName(), &e2Message, &transactionId)
75 r.config.Logger.Debugf("#rmr_service.SendMessage - Going to send the message: %#v\n", msg)
76 _, err := (*r.messenger).SendMsg(msg, r.config.MaxMsgSize)
82 func (r *RmrService) SendRmrMessage(response *models.NotificationResponse) {
84 msgAsBytes := response.GetMessageAsBytes(r.config.Logger)
85 transactionIdByteArr := []byte(response.RanName)
87 msg := rmrCgo.NewMBuf(response.MgsType, len(msgAsBytes), response.RanName, &msgAsBytes, &transactionIdByteArr)
89 r.config.Logger.Debugf("#rmr_service.SendRmrMessage - Going to send the message: %#v\n", msg)
91 _, err := (*r.messenger).SendMsg(msg, r.config.MaxMsgSize)
94 r.config.Logger.Errorf("#rmr_service.SendRmrMessage - error: %#v\n", err)
99 // ListenAndHandle waits for messages coming from rmr_rcv_msg and sends it to a designated message handler
100 func (r *RmrService) ListenAndHandle() {
103 mbuf, err := (*r.messenger).RecvMsg()
104 r.config.Logger.Debugf("#rmr_service.ListenAndHandle - Going to handle received message: %#v\n", mbuf)
106 // TODO: one mbuf received immediately execute goroutine
108 continue //TODO log error
111 r.nManager.HandleMessage(r.config.Logger, r.e2sessions, mbuf, r.rmrResponse)
115 func (r *RmrService) SendResponse(){
118 response, ok := <-r.rmrResponse
121 r.config.Logger.Errorf("#rmr_service.SendResponse - channel closed")
125 r.config.Logger.Debugf("#rmr_service.SendResponse - Going to send message: %#v\n", response)
126 r.SendRmrMessage(response)
130 func (r *RmrService) CloseContext() {
131 if r.config.Logger.DebugEnabled(){
132 r.config.Logger.Debugf("#rmr_service.CloseContext - RMR is ready: %v", (*r.messenger).IsReady())
133 (*r.messenger).Close()
134 r.config.Logger.Debugf("#rmr_service.CloseContext - RMR is ready: %v", (*r.messenger).IsReady())