2 ==================================================================================
3 Copyright (c) 2020 Samsung
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).
19 ==================================================================================
24 "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
31 A1_POLICY_QUERY = 20013
32 POLICY_QUERY_PAYLOAD = "{\"policy_type_id\":20000}"
35 func (e *HWApp) sendPolicyQuery() {
36 xapp.Logger.Info("Invoked method to send policy query message")
38 // prepare and send policy query message over RMR
39 rmrParams := new(xapp.RMRParams)
40 rmrParams.Mtype = A1_POLICY_QUERY // A1_POLICY_QUERY
41 rmrParams.Payload = []byte(POLICY_QUERY_PAYLOAD)
44 flg := xapp.Rmr.SendMsg(rmrParams)
47 xapp.Logger.Info("Successfully sent policy query message over RMR")
49 xapp.Logger.Info("Failed to send policy query message over RMR")
53 func (e *HWApp) ConfigChangeHandler(f string) {
54 xapp.Logger.Info("Config file changed")
57 func (e *HWApp) getEnbList() ([]*xapp.RNIBNbIdentity, error){
58 enbs, err := xapp.Rnib.GetListEnbIds()
61 xapp.Logger.Error("err: %s", err)
65 xapp.Logger.Info("List for connected eNBs :")
66 for index, enb := range enbs {
67 xapp.Logger.Info("%d. enbid: %s", index+1, enb.InventoryName)
72 func (e *HWApp) getGnbList() ([]*xapp.RNIBNbIdentity, error) {
73 gnbs, err := xapp.Rnib.GetListGnbIds()
76 xapp.Logger.Error("err: %s", err)
80 xapp.Logger.Info("List of connected gNBs :")
81 for index, gnb := range gnbs {
82 xapp.Logger.Info("%d. gnbid : %s", index+1, gnb.InventoryName)
87 func (e *HWApp) getnbList() ([]*xapp.RNIBNbIdentity) {
88 nbs := []*xapp.RNIBNbIdentity{}
90 if enbs , err := e.getEnbList(); err == nil {
91 nbs = append(nbs, enbs...)
94 if gnbs, err := e.getGnbList(); err == nil {
95 nbs = append(nbs, gnbs...)
100 func (e *HWApp) xAppStartCB(d interface{}) {
101 xapp.Logger.Info("xApp ready call back received")
103 // get the list of all NBs
107 func (e *HWApp) Consume(msg *xapp.RMRParams) (err error) {
108 id := xapp.Rmr.GetRicMessageName(msg.Mtype)
110 xapp.Logger.Info("Message received: name=%s meid=%s subId=%d txid=%s len=%d", id, msg.Meid.RanName, msg.SubId, msg.Xid, msg.PayloadLen)
113 // policy request handler
114 case "A1_POLICY_REQUEST":
115 xapp.Logger.Info("Recived policy instance list")
117 // health check request
118 case "RIC_HEALTH_CHECK_REQ":
119 xapp.Logger.Info("Received health check request")
122 xapp.Logger.Info("Unknown message type '%d', discarding", msg.Mtype)
126 xapp.Rmr.Free(msg.Mbuf)
132 func (e *HWApp) Run() {
135 xapp.Logger.SetMdc("HWApp", "0.0.1")
137 // set config change listener
138 xapp.AddConfigChangeListener(e.ConfigChangeHandler)
140 // register callback after xapp ready
141 xapp.SetReadyCB(e.xAppStartCB, true)
143 // reading configuration from config file
144 waitForSdl := xapp.Config.GetBool("db.waitForSdl")
147 xapp.RunWithParams(e, waitForSdl)