2 ==================================================================================
3 Copyright (c) 2019 AT&T Intellectual Property.
4 Copyright (c) 2019 Nokia
6 Licensed under the Apache License, Version 2.0 (the "License");
7 you may not use this file except in compliance with the License.
8 You may obtain a copy of the License at
10 http://www.apache.org/licenses/LICENSE-2.0
12 Unless required by applicable law or agreed to in writing, software
13 distributed under the License is distributed on an "AS IS" BASIS,
14 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 See the License for the specific language governing permissions and
16 limitations under the License.
18 This source code is part of the near-RT RIC (RAN Intelligent Controller)
19 platform project (RICP).
21 ==================================================================================
30 "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
33 "routing-manager/pkg/rpe"
34 "routing-manager/pkg/rtmgr"
35 "routing-manager/pkg/sbi"
36 "routing-manager/pkg/sdl"
45 var sbiEngine sbi.Engine
46 var sdlEngine sdl.Engine
47 var rpeEngine rpe.Engine
49 const INTERVAL time.Duration = 60
51 func NewControl() Control {
52 return Control{make(chan *xapp.RMRParams)}
56 rcChan chan *xapp.RMRParams
59 func (c *Control) Run() {
62 nbiEngine, sbiEngine, sdlEngine, rpeEngine, err = initRtmgr()
64 xapp.Logger.Error(err.Error())
68 xapp.Resource.InjectRoute("/ric/v1/symptomdata", c.SymptomDataHandler, "GET")
73 func (c *Control) SymptomDataHandler(w http.ResponseWriter, r *http.Request) {
74 resp, _ := dumpDebugData()
75 xapp.Resource.SendSymptomDataJson(w, r, resp, "platform/rttable.json")
78 func (c *Control) Consume(rp *xapp.RMRParams) (err error) {
83 func initRtmgr() (nbiEngine Engine, sbiEngine sbi.Engine, sdlEngine sdl.Engine, rpeEngine rpe.Engine, err error) {
84 if nbiEngine, err = GetNbi(xapp.Config.GetString("nbi")); err == nil && nbiEngine != nil {
85 if sbiEngine, err = sbi.GetSbi(xapp.Config.GetString("sbi")); err == nil && sbiEngine != nil {
86 if sdlEngine, err = sdl.GetSdl(xapp.Config.GetString("sdl")); err == nil && sdlEngine != nil {
87 if rpeEngine, err = rpe.GetRpe(xapp.Config.GetString("rpe")); err == nil && rpeEngine != nil {
88 return nbiEngine, sbiEngine, sdlEngine, rpeEngine, nil
93 return nil, nil, nil, nil, err
96 func (c *Control) controlLoop() {
103 func (c *Control) recievermr(msg *xapp.RMRParams) {
104 xapp_msg := sbi.RMRParams{msg}
106 case xapp.RICMessageTypes["RMRRM_REQ_TABLE"]:
107 if rtmgr.Rtmgr_ready == false {
108 xapp.Logger.Info("Update Route Table Request(RMR to RM), message discarded as routing manager is not ready")
110 xapp.Logger.Info("Update Route Table Request(RMR to RM)")
111 go c.handleUpdateToRoutingManagerRequest(msg)
113 case xapp.RICMessageTypes["RMRRM_TABLE_STATE"]:
114 xapp.Logger.Info("state of table to route mgr %s,payload %s", xapp_msg.String(), msg.Payload)
116 err := errors.New("Message Type " + strconv.Itoa(msg.Mtype) + " is discarded")
117 xapp.Logger.Error("Unknown message type: %v", err)
119 xapp.Rmr.Free(msg.Mbuf)
122 func (c *Control) handleUpdateToRoutingManagerRequest(params *xapp.RMRParams) {
124 msg := sbi.RMRParams{params}
126 xapp.Logger.Info("Update Route Table Request, msg.String() : %s", msg.String())
127 xapp.Logger.Info("Update Route Table Request, params.Payload : %s", string(params.Payload))
130 data, err := sdlEngine.ReadAll(xapp.Config.GetString("rtfile"))
134 xapp.Logger.Error("Cannot get data from sdl interface due to: " + err.Error())
137 xapp.Logger.Debug("Cannot get data from sdl interface")
142 ep := sbiEngine.CheckEndpoint(string(params.Payload))
144 xapp.Logger.Error("Update Routing Table Request can't handle due to end point %s is not avail in complete ep list: ", string(params.Payload))
147 epstr, whid := sbiEngine.CreateEndpoint(msg.String())
148 if epstr == nil || whid < 0 {
149 xapp.Logger.Error("Wormhole Id creation failed %d for %s", whid, msg.String())
153 /*This is to ensure the latest routes are sent.
154 Assumption is that in this time interval the routes are built for this endpoint */
155 time.Sleep(100 * time.Millisecond)
156 policies := rpeEngine.GeneratePolicies(rtmgr.Eps, data)
157 err = sbiEngine.DistributeToEp(policies, *epstr, whid)
159 xapp.Logger.Error("Routing table cannot be published due to: " + err.Error())
164 func getConfigData() (*rtmgr.RicComponents, error) {
165 var data *rtmgr.RicComponents
167 data, err := sdlEngine.ReadAll(xapp.Config.GetString("rtfile"))
172 return nil, errors.New("Cannot get data from sdl interface due to: " + err.Error())
174 xapp.Logger.Debug("Cannot get data from sdl interface, data is null")
175 return nil, errors.New("Cannot get data from sdl interface")
182 func updateEp() (err error) {
183 data, err := getConfigData()
185 return errors.New("Routing table cannot be published due to: " + err.Error())
187 sbiEngine.UpdateEndpoints(data)
192 func sendRoutesToAll() (err error) {
194 data, err := getConfigData()
196 return errors.New("Routing table cannot be published due to: " + err.Error())
199 policies := rpeEngine.GeneratePolicies(rtmgr.Eps, data)
200 err = sbiEngine.DistributeAll(policies)
202 return errors.New("Routing table cannot be published due to: " + err.Error())
210 nbiErr := nbiEngine.Initialize(xapp.Config.GetString("xmurl"), xapp.Config.GetString("nbiurl"), xapp.Config.GetString("rtfile"), xapp.Config.GetString("cfgfile"), xapp.Config.GetString("e2murl"), sdlEngine, rpeEngine, &m)
212 xapp.Logger.Error("Failed to initialize nbi due to: " + nbiErr.Error())
216 err := sbiEngine.Initialize(xapp.Config.GetString("sbiurl"))
218 xapp.Logger.Info("Failed to open push socket due to: " + err.Error())
221 defer nbiEngine.Terminate()
222 defer sbiEngine.Terminate()
224 /* used for rtmgr restart case to connect to Endpoints */
226 time.Sleep(5 * time.Second)
231 rtmgr.Rtmgr_ready = true
232 time.Sleep(INTERVAL * time.Second)
233 xapp.Logger.Debug("Periodic loop timed out. Setting triggerSBI flag to distribute updated routes.")